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| <a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> |
| <a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * limitations under the License.</em> |
| <a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> */</em> |
| <a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.omid.tso.client; |
| <a class="jxr_linenumber" name="19" href="#19">19</a> |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.base.Charsets; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.net.HostAndPort; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.util.concurrent.AbstractFuture; |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> |
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.omid.proto.TSOProto; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.OmidClientConfiguration.ConflictDetectionLevel; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.omid.zk.ZKUtils; |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.statemachine.StateMachine; |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.curator.framework.CuratorFramework; |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.curator.framework.recipes.cache.ChildData; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.curator.framework.recipes.cache.NodeCache; |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.curator.framework.recipes.cache.NodeCacheListener; |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.bootstrap.ClientBootstrap; |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel; |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFactory; |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFuture; |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFutureListener; |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandlerContext; |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline; |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelStateEvent; |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ExceptionEvent; |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.MessageEvent; |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.SimpleChannelHandler; |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.socket.nio.NioClientSocketChannelFactory; |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.LengthFieldBasedFrameDecoder; |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.frame.LengthFieldPrepender; |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.protobuf.ProtobufDecoder; |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.protobuf.ProtobufEncoder; |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.util.HashedWheelTimer; |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.util.Timeout; |
| <a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.util.TimerTask; |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a class="jxr_linenumber" name="54" href="#54">54</a> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> java.io.IOException; |
| <a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress; |
| <a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> java.util.ArrayDeque; |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; |
| <a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">import</strong> java.util.HashSet; |
| <a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">import</strong> java.util.Iterator; |
| <a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">import</strong> java.util.Map; |
| <a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">import</strong> java.util.Queue; |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">import</strong> java.util.Set; |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutionException; |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors; |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ScheduledExecutorService; |
| <a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit; |
| <a class="jxr_linenumber" name="68" href="#68">68</a> |
| <a class="jxr_linenumber" name="69" href="#69">69</a> |
| <a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * Describes the abstract methods to communicate to the TSO server</em> |
| <a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TSOClient</a> <strong class="jxr_keyword">implements</strong> TSOProtocol, NodeCacheListener { |
| <a class="jxr_linenumber" name="74" href="#74">74</a> |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(TSOClient.<strong class="jxr_keyword">class</strong>); |
| <a class="jxr_linenumber" name="76" href="#76">76</a> |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_comment">// Basic configuration constants & defaults TODO: Move DEFAULT_ZK_CLUSTER to a conf class???</em> |
| <a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String DEFAULT_ZK_CLUSTER = <span class="jxr_string">"localhost:2181"</span>; |
| <a class="jxr_linenumber" name="79" href="#79">79</a> |
| <a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> DEFAULT_EPOCH = -1L; |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">long</strong> epoch = DEFAULT_EPOCH; |
| <a class="jxr_linenumber" name="82" href="#82">82</a> |
| <a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_comment">// Attributes</em> |
| <a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> CuratorFramework zkClient; |
| <a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> NodeCache currentTSOZNode; |
| <a class="jxr_linenumber" name="86" href="#86">86</a> |
| <a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">private</strong> ChannelFactory factory; |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> ClientBootstrap bootstrap; |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> Channel currentChannel; |
| <a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ScheduledExecutorService fsmExecutor; |
| <a class="jxr_linenumber" name="91" href="#91">91</a> StateMachine.Fsm fsm; |
| <a class="jxr_linenumber" name="92" href="#92">92</a> |
| <a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> requestTimeoutInMs; |
| <a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> requestMaxRetries; |
| <a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> tsoReconnectionDelayInSecs; |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">private</strong> InetSocketAddress tsoAddr; |
| <a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">private</strong> String zkCurrentTsoPath; |
| <a class="jxr_linenumber" name="98" href="#98">98</a> |
| <a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> lowLatency; |
| <a class="jxr_linenumber" name="100" href="#100">100</a> |
| <a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_comment">// Use to extract unique table identifiers from the modified cells list.</em> |
| <a class="jxr_linenumber" name="102" href="#102">102</a> |
| <a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_comment">// Conflict detection level of the entire system. Can either be Row or Cell level.</em> |
| <a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/omid/tso/client/OmidClientConfiguration.html">ConflictDetectionLevel</a> conflictDetectionLevel; |
| <a class="jxr_linenumber" name="105" href="#105">105</a> |
| <a class="jxr_linenumber" name="106" href="#106">106</a> |
| <a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_comment">// Construction</em> |
| <a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="110" href="#110">110</a> |
| <a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TSOClient</a> newInstance(<a href="../../../../../org/apache/omid/tso/client/OmidClientConfiguration.html">OmidClientConfiguration</a> tsoClientConf) <strong class="jxr_keyword">throws</strong> IOException { |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TSOClient</a>(tsoClientConf); |
| <a class="jxr_linenumber" name="113" href="#113">113</a> } |
| <a class="jxr_linenumber" name="114" href="#114">114</a> |
| <a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_comment">// Avoid instantiation</em> |
| <a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TSOClient</a>(<a href="../../../../../org/apache/omid/tso/client/OmidClientConfiguration.html">OmidClientConfiguration</a> omidConf) <strong class="jxr_keyword">throws</strong> IOException { |
| <a class="jxr_linenumber" name="117" href="#117">117</a> |
| <a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_comment">// Start client with Nb of active threads = 3 as maximum.</em> |
| <a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">int</strong> tsoExecutorThreads = omidConf.getExecutorThreads(); |
| <a class="jxr_linenumber" name="120" href="#120">120</a> |
| <a class="jxr_linenumber" name="121" href="#121">121</a> factory = <strong class="jxr_keyword">new</strong> NioClientSocketChannelFactory( |
| <a class="jxr_linenumber" name="122" href="#122">122</a> Executors.newCachedThreadPool( |
| <a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"tsoclient-boss-%d"</span>).build()), |
| <a class="jxr_linenumber" name="124" href="#124">124</a> Executors.newCachedThreadPool( |
| <a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"tsoclient-worker-%d"</span>).build()), tsoExecutorThreads); |
| <a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_comment">// Create the bootstrap</em> |
| <a class="jxr_linenumber" name="127" href="#127">127</a> bootstrap = <strong class="jxr_keyword">new</strong> ClientBootstrap(factory); |
| <a class="jxr_linenumber" name="128" href="#128">128</a> |
| <a class="jxr_linenumber" name="129" href="#129">129</a> requestTimeoutInMs = omidConf.getRequestTimeoutInMs(); |
| <a class="jxr_linenumber" name="130" href="#130">130</a> requestMaxRetries = omidConf.getRequestMaxRetries(); |
| <a class="jxr_linenumber" name="131" href="#131">131</a> tsoReconnectionDelayInSecs = omidConf.getReconnectionDelayInSecs(); |
| <a class="jxr_linenumber" name="132" href="#132">132</a> |
| <a class="jxr_linenumber" name="133" href="#133">133</a> LOG.info(<span class="jxr_string">"Connecting to TSO..."</span>); |
| <a class="jxr_linenumber" name="134" href="#134">134</a> HostAndPort hp; |
| <a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">switch</strong> (omidConf.getConnectionType()) { |
| <a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">case</strong> HA: |
| <a class="jxr_linenumber" name="137" href="#137">137</a> zkClient = ZKUtils.initZKClient(omidConf.getConnectionString(), |
| <a class="jxr_linenumber" name="138" href="#138">138</a> omidConf.getZkNamespace(), |
| <a class="jxr_linenumber" name="139" href="#139">139</a> omidConf.getZkConnectionTimeoutInSecs()); |
| <a class="jxr_linenumber" name="140" href="#140">140</a> zkCurrentTsoPath = omidConf.getZkCurrentTsoPath(); |
| <a class="jxr_linenumber" name="141" href="#141">141</a> configureCurrentTSOServerZNodeCache(zkCurrentTsoPath); |
| <a class="jxr_linenumber" name="142" href="#142">142</a> String tsoInfo = getCurrentTSOInfoFoundInZK(zkCurrentTsoPath); |
| <a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_comment">// TSO info includes the new TSO host:port address and epoch</em> |
| <a class="jxr_linenumber" name="144" href="#144">144</a> String[] currentTSOAndEpochArray = tsoInfo.split(<span class="jxr_string">"#"</span>); |
| <a class="jxr_linenumber" name="145" href="#145">145</a> hp = HostAndPort.fromString(currentTSOAndEpochArray[0]); |
| <a class="jxr_linenumber" name="146" href="#146">146</a> setTSOAddress(hp.getHost(), hp.getPort()); |
| <a class="jxr_linenumber" name="147" href="#147">147</a> epoch = Long.parseLong(currentTSOAndEpochArray[1]); |
| <a class="jxr_linenumber" name="148" href="#148">148</a> LOG.info(<span class="jxr_string">"\t* Current TSO host:port found in ZK: {} Epoch {}"</span>, hp, getEpoch()); |
| <a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="150" href="#150">150</a> <strong class="jxr_keyword">case</strong> DIRECT: |
| <a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">default</strong>: |
| <a class="jxr_linenumber" name="152" href="#152">152</a> hp = HostAndPort.fromString(omidConf.getConnectionString()); |
| <a class="jxr_linenumber" name="153" href="#153">153</a> setTSOAddress(hp.getHost(), hp.getPort()); |
| <a class="jxr_linenumber" name="154" href="#154">154</a> LOG.info(<span class="jxr_string">"\t* TSO host:port {} will be connected directly"</span>, hp); |
| <a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="156" href="#156">156</a> } |
| <a class="jxr_linenumber" name="157" href="#157">157</a> |
| <a class="jxr_linenumber" name="158" href="#158">158</a> fsmExecutor = Executors.newSingleThreadScheduledExecutor( |
| <a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"tsofsm-%d"</span>).build()); |
| <a class="jxr_linenumber" name="160" href="#160">160</a> fsm = <strong class="jxr_keyword">new</strong> StateMachine.FsmImpl(fsmExecutor); |
| <a class="jxr_linenumber" name="161" href="#161">161</a> fsm.setInitState(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">DisconnectedState</a>(fsm)); |
| <a class="jxr_linenumber" name="162" href="#162">162</a> |
| <a class="jxr_linenumber" name="163" href="#163">163</a> ChannelPipeline pipeline = bootstrap.getPipeline(); |
| <a class="jxr_linenumber" name="164" href="#164">164</a> pipeline.addLast(<span class="jxr_string">"lengthbaseddecoder"</span>, <strong class="jxr_keyword">new</strong> LengthFieldBasedFrameDecoder(8 * 1024, 0, 4, 0, 4)); |
| <a class="jxr_linenumber" name="165" href="#165">165</a> pipeline.addLast(<span class="jxr_string">"lengthprepender"</span>, <strong class="jxr_keyword">new</strong> LengthFieldPrepender(4)); |
| <a class="jxr_linenumber" name="166" href="#166">166</a> pipeline.addLast(<span class="jxr_string">"protobufdecoder"</span>, <strong class="jxr_keyword">new</strong> ProtobufDecoder(TSOProto.Response.getDefaultInstance())); |
| <a class="jxr_linenumber" name="167" href="#167">167</a> pipeline.addLast(<span class="jxr_string">"protobufencoder"</span>, <strong class="jxr_keyword">new</strong> ProtobufEncoder()); |
| <a class="jxr_linenumber" name="168" href="#168">168</a> pipeline.addLast(<span class="jxr_string">"handler"</span>, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">Handler</a>(fsm)); |
| <a class="jxr_linenumber" name="169" href="#169">169</a> |
| <a class="jxr_linenumber" name="170" href="#170">170</a> bootstrap.setOption(<span class="jxr_string">"tcpNoDelay"</span>, <strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="171" href="#171">171</a> bootstrap.setOption(<span class="jxr_string">"keepAlive"</span>, <strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="172" href="#172">172</a> bootstrap.setOption(<span class="jxr_string">"reuseAddress"</span>, <strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="173" href="#173">173</a> bootstrap.setOption(<span class="jxr_string">"connectTimeoutMillis"</span>, 100); |
| <a class="jxr_linenumber" name="174" href="#174">174</a> lowLatency = false; |
| <a class="jxr_linenumber" name="175" href="#175">175</a> |
| <a class="jxr_linenumber" name="176" href="#176">176</a> |
| <a class="jxr_linenumber" name="177" href="#177">177</a> |
| <a class="jxr_linenumber" name="178" href="#178">178</a> conflictDetectionLevel = omidConf.getConflictAnalysisLevel(); |
| <a class="jxr_linenumber" name="179" href="#179">179</a> |
| <a class="jxr_linenumber" name="180" href="#180">180</a> } |
| <a class="jxr_linenumber" name="181" href="#181">181</a> |
| <a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_comment">// TSOProtocol interface</em> |
| <a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="185" href="#185">185</a> |
| <a class="jxr_linenumber" name="186" href="#186">186</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment"> * @see TSOProtocol#getNewStartTimestamp()</em> |
| <a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="189" href="#189">189</a> @Override |
| <a class="jxr_linenumber" name="190" href="#190">190</a> <strong class="jxr_keyword">public</strong> TSOFuture<Long> getNewStartTimestamp() { |
| <a class="jxr_linenumber" name="191" href="#191">191</a> TSOProto.Request.Builder builder = TSOProto.Request.newBuilder(); |
| <a class="jxr_linenumber" name="192" href="#192">192</a> TSOProto.TimestampRequest.Builder tsreqBuilder = TSOProto.TimestampRequest.newBuilder(); |
| <a class="jxr_linenumber" name="193" href="#193">193</a> builder.setTimestampRequest(tsreqBuilder.build()); |
| <a class="jxr_linenumber" name="194" href="#194">194</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a>(builder.build(), requestMaxRetries); |
| <a class="jxr_linenumber" name="195" href="#195">195</a> fsm.sendEvent(request); |
| <a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ForwardingTSOFuture<>(request); |
| <a class="jxr_linenumber" name="197" href="#197">197</a> } |
| <a class="jxr_linenumber" name="198" href="#198">198</a> |
| <a class="jxr_linenumber" name="199" href="#199">199</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="200" href="#200">200</a> <em class="jxr_javadoccomment"> * @see TSOProtocol#commit(long, Set)</em> |
| <a class="jxr_linenumber" name="201" href="#201">201</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="202" href="#202">202</a> @Override |
| <a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">public</strong> TSOFuture<Long> commit(<strong class="jxr_keyword">long</strong> transactionId, Set<? <strong class="jxr_keyword">extends</strong> CellId> cells) { |
| <a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">return</strong> commit(transactionId, cells, <strong class="jxr_keyword">new</strong> HashSet<CellId>()); |
| <a class="jxr_linenumber" name="205" href="#205">205</a> } |
| <a class="jxr_linenumber" name="206" href="#206">206</a> |
| <a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment"> * @see TSOProtocol#commit(long, Set, Set)</em> |
| <a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="210" href="#210">210</a> @Override |
| <a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">public</strong> TSOFuture<Long> commit(<strong class="jxr_keyword">long</strong> transactionId, Set<? <strong class="jxr_keyword">extends</strong> CellId> cells, Set<? <strong class="jxr_keyword">extends</strong> CellId> conflictFreeWriteSet) { |
| <a class="jxr_linenumber" name="212" href="#212">212</a> TSOProto.Request.Builder builder = TSOProto.Request.newBuilder(); |
| <a class="jxr_linenumber" name="213" href="#213">213</a> TSOProto.CommitRequest.Builder commitbuilder = TSOProto.CommitRequest.newBuilder(); |
| <a class="jxr_linenumber" name="214" href="#214">214</a> commitbuilder.setStartTimestamp(transactionId); |
| <a class="jxr_linenumber" name="215" href="#215">215</a> HashSet<Long> rowLevelWriteSet = <strong class="jxr_keyword">new</strong> HashSet<Long>(); |
| <a class="jxr_linenumber" name="216" href="#216">216</a> HashSet<Long> tableIDs = <strong class="jxr_keyword">new</strong> HashSet<Long>(); |
| <a class="jxr_linenumber" name="217" href="#217">217</a> rowLevelWriteSet.clear(); |
| <a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">for</strong> (CellId cell : cells) { |
| <a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">long</strong> id; |
| <a class="jxr_linenumber" name="220" href="#220">220</a> |
| <a class="jxr_linenumber" name="221" href="#221">221</a> <strong class="jxr_keyword">switch</strong> (conflictDetectionLevel) { |
| <a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">case</strong> ROW: |
| <a class="jxr_linenumber" name="223" href="#223">223</a> id = cell.getRowId(); |
| <a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">if</strong> (rowLevelWriteSet.contains(id)) { |
| <a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">continue</strong>; |
| <a class="jxr_linenumber" name="226" href="#226">226</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="227" href="#227">227</a> rowLevelWriteSet.add(id); |
| <a class="jxr_linenumber" name="228" href="#228">228</a> } |
| <a class="jxr_linenumber" name="229" href="#229">229</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">case</strong> CELL: |
| <a class="jxr_linenumber" name="231" href="#231">231</a> id = cell.getCellId(); |
| <a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">break</strong>; |
| <a class="jxr_linenumber" name="233" href="#233">233</a> <strong class="jxr_keyword">default</strong>: |
| <a class="jxr_linenumber" name="234" href="#234">234</a> id = 0; |
| <a class="jxr_linenumber" name="235" href="#235">235</a> assert (false); |
| <a class="jxr_linenumber" name="236" href="#236">236</a> } |
| <a class="jxr_linenumber" name="237" href="#237">237</a> |
| <a class="jxr_linenumber" name="238" href="#238">238</a> commitbuilder.addCellId(id); |
| <a class="jxr_linenumber" name="239" href="#239">239</a> tableIDs.add(cell.getTableId()); |
| <a class="jxr_linenumber" name="240" href="#240">240</a> } |
| <a class="jxr_linenumber" name="241" href="#241">241</a> |
| <a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">for</strong> (CellId cell : conflictFreeWriteSet) { |
| <a class="jxr_linenumber" name="243" href="#243">243</a> tableIDs.add(cell.getTableId()); |
| <a class="jxr_linenumber" name="244" href="#244">244</a> } |
| <a class="jxr_linenumber" name="245" href="#245">245</a> |
| <a class="jxr_linenumber" name="246" href="#246">246</a> commitbuilder.addAllTableId(tableIDs); |
| <a class="jxr_linenumber" name="247" href="#247">247</a> tableIDs.clear(); |
| <a class="jxr_linenumber" name="248" href="#248">248</a> builder.setCommitRequest(commitbuilder.build()); |
| <a class="jxr_linenumber" name="249" href="#249">249</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a>(builder.build(), requestMaxRetries); |
| <a class="jxr_linenumber" name="250" href="#250">250</a> fsm.sendEvent(request); |
| <a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ForwardingTSOFuture<>(request); |
| <a class="jxr_linenumber" name="252" href="#252">252</a> } |
| <a class="jxr_linenumber" name="253" href="#253">253</a> |
| <a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment"> * @see TSOProtocol#getFence(long)</em> |
| <a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="257" href="#257">257</a> @Override |
| <a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">public</strong> TSOFuture<Long> getFence(<strong class="jxr_keyword">long</strong> tableId) { |
| <a class="jxr_linenumber" name="259" href="#259">259</a> TSOProto.Request.Builder builder = TSOProto.Request.newBuilder(); |
| <a class="jxr_linenumber" name="260" href="#260">260</a> TSOProto.FenceRequest.Builder fenceReqBuilder = TSOProto.FenceRequest.newBuilder(); |
| <a class="jxr_linenumber" name="261" href="#261">261</a> fenceReqBuilder.setTableId(tableId); |
| <a class="jxr_linenumber" name="262" href="#262">262</a> builder.setFenceRequest(fenceReqBuilder.build()); |
| <a class="jxr_linenumber" name="263" href="#263">263</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> request = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a>(builder.build(), requestMaxRetries); |
| <a class="jxr_linenumber" name="264" href="#264">264</a> fsm.sendEvent(request); |
| <a class="jxr_linenumber" name="265" href="#265">265</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ForwardingTSOFuture<>(request); |
| <a class="jxr_linenumber" name="266" href="#266">266</a> } |
| <a class="jxr_linenumber" name="267" href="#267">267</a> |
| <a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment"> * @see TSOProtocol#close()</em> |
| <a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="271" href="#271">271</a> @Override |
| <a class="jxr_linenumber" name="272" href="#272">272</a> <strong class="jxr_keyword">public</strong> TSOFuture<Void> close() { |
| <a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CloseEvent</a> closeEvent = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CloseEvent</a>(); |
| <a class="jxr_linenumber" name="274" href="#274">274</a> fsm.sendEvent(closeEvent); |
| <a class="jxr_linenumber" name="275" href="#275">275</a> closeEvent.addListener(<strong class="jxr_keyword">new</strong> Runnable() { |
| <a class="jxr_linenumber" name="276" href="#276">276</a> @Override |
| <a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { |
| <a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="279" href="#279">279</a> closeEvent.get(); |
| <a class="jxr_linenumber" name="280" href="#280">280</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) { |
| <a class="jxr_linenumber" name="281" href="#281">281</a> Thread.currentThread().interrupt(); |
| <a class="jxr_linenumber" name="282" href="#282">282</a> e.printStackTrace(); |
| <a class="jxr_linenumber" name="283" href="#283">283</a> } <strong class="jxr_keyword">catch</strong> (ExecutionException e) { |
| <a class="jxr_linenumber" name="284" href="#284">284</a> e.printStackTrace(); |
| <a class="jxr_linenumber" name="285" href="#285">285</a> } <strong class="jxr_keyword">finally</strong> { |
| <a class="jxr_linenumber" name="286" href="#286">286</a> fsmExecutor.shutdown(); |
| <a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">if</strong> (currentTSOZNode != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="289" href="#289">289</a> currentTSOZNode.close(); |
| <a class="jxr_linenumber" name="290" href="#290">290</a> } <strong class="jxr_keyword">catch</strong> (IOException e) { |
| <a class="jxr_linenumber" name="291" href="#291">291</a> e.printStackTrace(); |
| <a class="jxr_linenumber" name="292" href="#292">292</a> } |
| <a class="jxr_linenumber" name="293" href="#293">293</a> } |
| <a class="jxr_linenumber" name="294" href="#294">294</a> <strong class="jxr_keyword">if</strong> (zkClient != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="295" href="#295">295</a> zkClient.close(); |
| <a class="jxr_linenumber" name="296" href="#296">296</a> } |
| <a class="jxr_linenumber" name="297" href="#297">297</a> } |
| <a class="jxr_linenumber" name="298" href="#298">298</a> |
| <a class="jxr_linenumber" name="299" href="#299">299</a> } |
| <a class="jxr_linenumber" name="300" href="#300">300</a> }, fsmExecutor); |
| <a class="jxr_linenumber" name="301" href="#301">301</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> ForwardingTSOFuture<>(closeEvent); |
| <a class="jxr_linenumber" name="302" href="#302">302</a> } |
| <a class="jxr_linenumber" name="303" href="#303">303</a> |
| <a class="jxr_linenumber" name="304" href="#304">304</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="305" href="#305">305</a> <em class="jxr_comment">// High availability related interface</em> |
| <a class="jxr_linenumber" name="306" href="#306">306</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="307" href="#307">307</a> |
| <a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * @see TSOProtocol#getEpoch()</em> |
| <a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="311" href="#311">311</a> @Override |
| <a class="jxr_linenumber" name="312" href="#312">312</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getEpoch() { |
| <a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">return</strong> epoch; |
| <a class="jxr_linenumber" name="314" href="#314">314</a> } |
| <a class="jxr_linenumber" name="315" href="#315">315</a> |
| <a class="jxr_linenumber" name="316" href="#316">316</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="317" href="#317">317</a> <em class="jxr_javadoccomment"> * Used for family deletion</em> |
| <a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment"> * @return the conflict detection level.</em> |
| <a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="320" href="#320">320</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/omid/tso/client/OmidClientConfiguration.html">ConflictDetectionLevel</a> getConflictDetectionLevel() { |
| <a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">return</strong> conflictDetectionLevel; |
| <a class="jxr_linenumber" name="322" href="#322">322</a> } |
| <a class="jxr_linenumber" name="323" href="#323">323</a> |
| <a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_javadoccomment"> * Used for family deletion testing</em> |
| <a class="jxr_linenumber" name="326" href="#326">326</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setConflictDetectionLevel(<a href="../../../../../org/apache/omid/tso/client/OmidClientConfiguration.html">ConflictDetectionLevel</a> conflictDetectionLevel) { |
| <a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">this</strong>.conflictDetectionLevel = conflictDetectionLevel; |
| <a class="jxr_linenumber" name="329" href="#329">329</a> } |
| <a class="jxr_linenumber" name="330" href="#330">330</a> |
| <a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_comment">// NodeCacheListener interface</em> |
| <a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="334" href="#334">334</a> |
| <a class="jxr_linenumber" name="335" href="#335">335</a> @Override |
| <a class="jxr_linenumber" name="336" href="#336">336</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> nodeChanged() <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="337" href="#337">337</a> |
| <a class="jxr_linenumber" name="338" href="#338">338</a> String tsoInfo = getCurrentTSOInfoFoundInZK(zkCurrentTsoPath); |
| <a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_comment">// TSO info includes the new TSO host:port address and epoch</em> |
| <a class="jxr_linenumber" name="340" href="#340">340</a> String[] currentTSOAndEpochArray = tsoInfo.split(<span class="jxr_string">"#"</span>); |
| <a class="jxr_linenumber" name="341" href="#341">341</a> HostAndPort hp = HostAndPort.fromString(currentTSOAndEpochArray[0]); |
| <a class="jxr_linenumber" name="342" href="#342">342</a> setTSOAddress(hp.getHost(), hp.getPort()); |
| <a class="jxr_linenumber" name="343" href="#343">343</a> epoch = Long.parseLong(currentTSOAndEpochArray[1]); |
| <a class="jxr_linenumber" name="344" href="#344">344</a> LOG.info(<span class="jxr_string">"CurrentTSO ZNode changed. New TSO Host & Port {}/Epoch {}"</span>, hp, getEpoch()); |
| <a class="jxr_linenumber" name="345" href="#345">345</a> <strong class="jxr_keyword">if</strong> (currentChannel != <strong class="jxr_keyword">null</strong> && currentChannel.isConnected()) { |
| <a class="jxr_linenumber" name="346" href="#346">346</a> LOG.info(<span class="jxr_string">"\tClosing channel with previous TSO {}"</span>, currentChannel); |
| <a class="jxr_linenumber" name="347" href="#347">347</a> currentChannel.close(); |
| <a class="jxr_linenumber" name="348" href="#348">348</a> } |
| <a class="jxr_linenumber" name="349" href="#349">349</a> |
| <a class="jxr_linenumber" name="350" href="#350">350</a> } |
| <a class="jxr_linenumber" name="351" href="#351">351</a> |
| <a class="jxr_linenumber" name="352" href="#352">352</a> @Override |
| <a class="jxr_linenumber" name="353" href="#353">353</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLowLatency() { |
| <a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">return</strong> lowLatency; |
| <a class="jxr_linenumber" name="355" href="#355">355</a> } |
| <a class="jxr_linenumber" name="356" href="#356">356</a> |
| <a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_comment">// ****************************************** Finite State Machine ************************************************</em> |
| <a class="jxr_linenumber" name="358" href="#358">358</a> |
| <a class="jxr_linenumber" name="359" href="#359">359</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_comment">// FSM: Events</em> |
| <a class="jxr_linenumber" name="361" href="#361">361</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="362" href="#362">362</a> |
| <a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> ParamEvent<T> <strong class="jxr_keyword">implements</strong> StateMachine.Event { |
| <a class="jxr_linenumber" name="364" href="#364">364</a> |
| <a class="jxr_linenumber" name="365" href="#365">365</a> <strong class="jxr_keyword">final</strong> T param; |
| <a class="jxr_linenumber" name="366" href="#366">366</a> |
| <a class="jxr_linenumber" name="367" href="#367">367</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ParamEvent</a>(T param) { |
| <a class="jxr_linenumber" name="368" href="#368">368</a> <strong class="jxr_keyword">this</strong>.param = param; |
| <a class="jxr_linenumber" name="369" href="#369">369</a> } |
| <a class="jxr_linenumber" name="370" href="#370">370</a> |
| <a class="jxr_linenumber" name="371" href="#371">371</a> T getParam() { |
| <a class="jxr_linenumber" name="372" href="#372">372</a> <strong class="jxr_keyword">return</strong> param; |
| <a class="jxr_linenumber" name="373" href="#373">373</a> } |
| <a class="jxr_linenumber" name="374" href="#374">374</a> } |
| <a class="jxr_linenumber" name="375" href="#375">375</a> |
| <a class="jxr_linenumber" name="376" href="#376">376</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a> <strong class="jxr_keyword">extends</strong> ParamEvent<Throwable> { |
| <a class="jxr_linenumber" name="377" href="#377">377</a> |
| <a class="jxr_linenumber" name="378" href="#378">378</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a>(Throwable t) { |
| <a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">super</strong>(t); |
| <a class="jxr_linenumber" name="380" href="#380">380</a> } |
| <a class="jxr_linenumber" name="381" href="#381">381</a> } |
| <a class="jxr_linenumber" name="382" href="#382">382</a> |
| <a class="jxr_linenumber" name="383" href="#383">383</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedEvent</a> <strong class="jxr_keyword">extends</strong> ParamEvent<Channel> { |
| <a class="jxr_linenumber" name="384" href="#384">384</a> |
| <a class="jxr_linenumber" name="385" href="#385">385</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedEvent</a>(Channel c) { |
| <a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">super</strong>(c); |
| <a class="jxr_linenumber" name="387" href="#387">387</a> } |
| <a class="jxr_linenumber" name="388" href="#388">388</a> } |
| <a class="jxr_linenumber" name="389" href="#389">389</a> |
| <a class="jxr_linenumber" name="390" href="#390">390</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> UserEvent<T> <strong class="jxr_keyword">extends</strong> AbstractFuture<T> |
| <a class="jxr_linenumber" name="391" href="#391">391</a> <strong class="jxr_keyword">implements</strong> StateMachine.DeferrableEvent { |
| <a class="jxr_linenumber" name="392" href="#392">392</a> |
| <a class="jxr_linenumber" name="393" href="#393">393</a> <strong class="jxr_keyword">void</strong> success(T value) { |
| <a class="jxr_linenumber" name="394" href="#394">394</a> set(value); |
| <a class="jxr_linenumber" name="395" href="#395">395</a> } |
| <a class="jxr_linenumber" name="396" href="#396">396</a> |
| <a class="jxr_linenumber" name="397" href="#397">397</a> @Override |
| <a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> error(Throwable t) { |
| <a class="jxr_linenumber" name="399" href="#399">399</a> setException(t); |
| <a class="jxr_linenumber" name="400" href="#400">400</a> } |
| <a class="jxr_linenumber" name="401" href="#401">401</a> } |
| <a class="jxr_linenumber" name="402" href="#402">402</a> |
| <a class="jxr_linenumber" name="403" href="#403">403</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CloseEvent</a> <strong class="jxr_keyword">extends</strong> UserEvent<Void> { |
| <a class="jxr_linenumber" name="404" href="#404">404</a> |
| <a class="jxr_linenumber" name="405" href="#405">405</a> } |
| <a class="jxr_linenumber" name="406" href="#406">406</a> |
| <a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ChannelClosedEvent</a> <strong class="jxr_keyword">extends</strong> ParamEvent<Throwable> { |
| <a class="jxr_linenumber" name="408" href="#408">408</a> |
| <a class="jxr_linenumber" name="409" href="#409">409</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ChannelClosedEvent</a>(Throwable t) { |
| <a class="jxr_linenumber" name="410" href="#410">410</a> <strong class="jxr_keyword">super</strong>(t); |
| <a class="jxr_linenumber" name="411" href="#411">411</a> } |
| <a class="jxr_linenumber" name="412" href="#412">412</a> } |
| <a class="jxr_linenumber" name="413" href="#413">413</a> |
| <a class="jxr_linenumber" name="414" href="#414">414</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ReconnectEvent</a> <strong class="jxr_keyword">implements</strong> StateMachine.Event { |
| <a class="jxr_linenumber" name="415" href="#415">415</a> |
| <a class="jxr_linenumber" name="416" href="#416">416</a> } |
| <a class="jxr_linenumber" name="417" href="#417">417</a> |
| <a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeTimeoutEvent</a> <strong class="jxr_keyword">implements</strong> StateMachine.Event { |
| <a class="jxr_linenumber" name="419" href="#419">419</a> |
| <a class="jxr_linenumber" name="420" href="#420">420</a> } |
| <a class="jxr_linenumber" name="421" href="#421">421</a> |
| <a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TimestampRequestTimeoutEvent</a> <strong class="jxr_keyword">implements</strong> StateMachine.Event { |
| <a class="jxr_linenumber" name="423" href="#423">423</a> |
| <a class="jxr_linenumber" name="424" href="#424">424</a> } |
| <a class="jxr_linenumber" name="425" href="#425">425</a> |
| <a class="jxr_linenumber" name="426" href="#426">426</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CommitRequestTimeoutEvent</a> <strong class="jxr_keyword">implements</strong> StateMachine.Event { |
| <a class="jxr_linenumber" name="427" href="#427">427</a> |
| <a class="jxr_linenumber" name="428" href="#428">428</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> startTimestamp; |
| <a class="jxr_linenumber" name="429" href="#429">429</a> |
| <a class="jxr_linenumber" name="430" href="#430">430</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CommitRequestTimeoutEvent</a>(<strong class="jxr_keyword">long</strong> startTimestamp) { |
| <a class="jxr_linenumber" name="431" href="#431">431</a> <strong class="jxr_keyword">this</strong>.startTimestamp = startTimestamp; |
| <a class="jxr_linenumber" name="432" href="#432">432</a> } |
| <a class="jxr_linenumber" name="433" href="#433">433</a> |
| <a class="jxr_linenumber" name="434" href="#434">434</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getStartTimestamp() { |
| <a class="jxr_linenumber" name="435" href="#435">435</a> <strong class="jxr_keyword">return</strong> startTimestamp; |
| <a class="jxr_linenumber" name="436" href="#436">436</a> } |
| <a class="jxr_linenumber" name="437" href="#437">437</a> } |
| <a class="jxr_linenumber" name="438" href="#438">438</a> |
| <a class="jxr_linenumber" name="439" href="#439">439</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">FenceRequestTimeoutEvent</a> <strong class="jxr_keyword">implements</strong> StateMachine.Event { |
| <a class="jxr_linenumber" name="440" href="#440">440</a> |
| <a class="jxr_linenumber" name="441" href="#441">441</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> tableID; |
| <a class="jxr_linenumber" name="442" href="#442">442</a> |
| <a class="jxr_linenumber" name="443" href="#443">443</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">FenceRequestTimeoutEvent</a>(<strong class="jxr_keyword">long</strong> tableID) { |
| <a class="jxr_linenumber" name="444" href="#444">444</a> <strong class="jxr_keyword">this</strong>.tableID = tableID; |
| <a class="jxr_linenumber" name="445" href="#445">445</a> } |
| <a class="jxr_linenumber" name="446" href="#446">446</a> |
| <a class="jxr_linenumber" name="447" href="#447">447</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getTableID() { |
| <a class="jxr_linenumber" name="448" href="#448">448</a> <strong class="jxr_keyword">return</strong> tableID; |
| <a class="jxr_linenumber" name="449" href="#449">449</a> } |
| <a class="jxr_linenumber" name="450" href="#450">450</a> } |
| <a class="jxr_linenumber" name="451" href="#451">451</a> |
| <a class="jxr_linenumber" name="452" href="#452">452</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> <strong class="jxr_keyword">extends</strong> UserEvent<Long> { |
| <a class="jxr_linenumber" name="453" href="#453">453</a> |
| <a class="jxr_linenumber" name="454" href="#454">454</a> TSOProto.Request req; |
| <a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">int</strong> retriesLeft; |
| <a class="jxr_linenumber" name="456" href="#456">456</a> |
| <a class="jxr_linenumber" name="457" href="#457">457</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a>(TSOProto.Request req, <strong class="jxr_keyword">int</strong> retriesLeft) { |
| <a class="jxr_linenumber" name="458" href="#458">458</a> <strong class="jxr_keyword">this</strong>.req = req; |
| <a class="jxr_linenumber" name="459" href="#459">459</a> <strong class="jxr_keyword">this</strong>.retriesLeft = retriesLeft; |
| <a class="jxr_linenumber" name="460" href="#460">460</a> } |
| <a class="jxr_linenumber" name="461" href="#461">461</a> |
| <a class="jxr_linenumber" name="462" href="#462">462</a> TSOProto.Request getRequest() { |
| <a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">return</strong> req; |
| <a class="jxr_linenumber" name="464" href="#464">464</a> } |
| <a class="jxr_linenumber" name="465" href="#465">465</a> |
| <a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">void</strong> setRequest(TSOProto.Request request) { |
| <a class="jxr_linenumber" name="467" href="#467">467</a> <strong class="jxr_keyword">this</strong>.req = request; |
| <a class="jxr_linenumber" name="468" href="#468">468</a> } |
| <a class="jxr_linenumber" name="469" href="#469">469</a> |
| <a class="jxr_linenumber" name="470" href="#470">470</a> <strong class="jxr_keyword">int</strong> getRetriesLeft() { |
| <a class="jxr_linenumber" name="471" href="#471">471</a> <strong class="jxr_keyword">return</strong> retriesLeft; |
| <a class="jxr_linenumber" name="472" href="#472">472</a> } |
| <a class="jxr_linenumber" name="473" href="#473">473</a> |
| <a class="jxr_linenumber" name="474" href="#474">474</a> <strong class="jxr_keyword">void</strong> decrementRetries() { |
| <a class="jxr_linenumber" name="475" href="#475">475</a> retriesLeft--; |
| <a class="jxr_linenumber" name="476" href="#476">476</a> } |
| <a class="jxr_linenumber" name="477" href="#477">477</a> |
| <a class="jxr_linenumber" name="478" href="#478">478</a> } |
| <a class="jxr_linenumber" name="479" href="#479">479</a> |
| <a class="jxr_linenumber" name="480" href="#480">480</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a> <strong class="jxr_keyword">extends</strong> ParamEvent<TSOProto.Response> { |
| <a class="jxr_linenumber" name="481" href="#481">481</a> |
| <a class="jxr_linenumber" name="482" href="#482">482</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a>(TSOProto.Response r) { |
| <a class="jxr_linenumber" name="483" href="#483">483</a> <strong class="jxr_keyword">super</strong>(r); |
| <a class="jxr_linenumber" name="484" href="#484">484</a> } |
| <a class="jxr_linenumber" name="485" href="#485">485</a> } |
| <a class="jxr_linenumber" name="486" href="#486">486</a> |
| <a class="jxr_linenumber" name="487" href="#487">487</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="488" href="#488">488</a> <em class="jxr_comment">// FSM: States</em> |
| <a class="jxr_linenumber" name="489" href="#489">489</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="490" href="#490">490</a> |
| <a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> <strong class="jxr_keyword">extends</strong> StateMachine.State { |
| <a class="jxr_linenumber" name="492" href="#492">492</a> |
| <a class="jxr_linenumber" name="493" href="#493">493</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a>(StateMachine.Fsm fsm) { |
| <a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="495" href="#495">495</a> } |
| <a class="jxr_linenumber" name="496" href="#496">496</a> |
| <a class="jxr_linenumber" name="497" href="#497">497</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(StateMachine.Event e) { |
| <a class="jxr_linenumber" name="498" href="#498">498</a> LOG.error(<span class="jxr_string">"Unhandled event {} while in state {}"</span>, e, <strong class="jxr_keyword">this</strong>.getClass().getName()); |
| <a class="jxr_linenumber" name="499" href="#499">499</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="500" href="#500">500</a> } |
| <a class="jxr_linenumber" name="501" href="#501">501</a> } |
| <a class="jxr_linenumber" name="502" href="#502">502</a> |
| <a class="jxr_linenumber" name="503" href="#503">503</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">DisconnectedState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> { |
| <a class="jxr_linenumber" name="504" href="#504">504</a> |
| <a class="jxr_linenumber" name="505" href="#505">505</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">DisconnectedState</a>(StateMachine.Fsm fsm) { |
| <a class="jxr_linenumber" name="506" href="#506">506</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="507" href="#507">507</a> LOG.debug(<span class="jxr_string">"NEW STATE: DISCONNECTED"</span>); |
| <a class="jxr_linenumber" name="508" href="#508">508</a> } |
| <a class="jxr_linenumber" name="509" href="#509">509</a> |
| <a class="jxr_linenumber" name="510" href="#510">510</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> e) { |
| <a class="jxr_linenumber" name="511" href="#511">511</a> fsm.deferEvent(e); |
| <a class="jxr_linenumber" name="512" href="#512">512</a> <strong class="jxr_keyword">return</strong> tryToConnectToTSOServer(); |
| <a class="jxr_linenumber" name="513" href="#513">513</a> } |
| <a class="jxr_linenumber" name="514" href="#514">514</a> |
| <a class="jxr_linenumber" name="515" href="#515">515</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CloseEvent</a> e) { |
| <a class="jxr_linenumber" name="516" href="#516">516</a> factory.releaseExternalResources(); |
| <a class="jxr_linenumber" name="517" href="#517">517</a> e.success(<strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="518" href="#518">518</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="519" href="#519">519</a> } |
| <a class="jxr_linenumber" name="520" href="#520">520</a> |
| <a class="jxr_linenumber" name="521" href="#521">521</a> <strong class="jxr_keyword">private</strong> StateMachine.State tryToConnectToTSOServer() { |
| <a class="jxr_linenumber" name="522" href="#522">522</a> <strong class="jxr_keyword">final</strong> InetSocketAddress tsoAddress = getAddress(); |
| <a class="jxr_linenumber" name="523" href="#523">523</a> LOG.info(<span class="jxr_string">"Trying to connect to TSO [{}]"</span>, tsoAddress); |
| <a class="jxr_linenumber" name="524" href="#524">524</a> ChannelFuture channelFuture = bootstrap.connect(tsoAddress); |
| <a class="jxr_linenumber" name="525" href="#525">525</a> channelFuture.addListener(<strong class="jxr_keyword">new</strong> ChannelFutureListener() { |
| <a class="jxr_linenumber" name="526" href="#526">526</a> @Override |
| <a class="jxr_linenumber" name="527" href="#527">527</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> operationComplete(ChannelFuture channelFuture) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">if</strong> (channelFuture.isSuccess()) { |
| <a class="jxr_linenumber" name="529" href="#529">529</a> LOG.info(<span class="jxr_string">"Connection to TSO [{}] established. Channel {}"</span>, |
| <a class="jxr_linenumber" name="530" href="#530">530</a> tsoAddress, channelFuture.getChannel()); |
| <a class="jxr_linenumber" name="531" href="#531">531</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="532" href="#532">532</a> LOG.error(<span class="jxr_string">"Failed connection attempt to TSO [{}] failed. Channel {}"</span>, |
| <a class="jxr_linenumber" name="533" href="#533">533</a> tsoAddress, channelFuture.getChannel()); |
| <a class="jxr_linenumber" name="534" href="#534">534</a> } |
| <a class="jxr_linenumber" name="535" href="#535">535</a> } |
| <a class="jxr_linenumber" name="536" href="#536">536</a> }); |
| <a class="jxr_linenumber" name="537" href="#537">537</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectingState</a>(fsm); |
| <a class="jxr_linenumber" name="538" href="#538">538</a> } |
| <a class="jxr_linenumber" name="539" href="#539">539</a> } |
| <a class="jxr_linenumber" name="540" href="#540">540</a> |
| <a class="jxr_linenumber" name="541" href="#541">541</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectingState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> { |
| <a class="jxr_linenumber" name="542" href="#542">542</a> |
| <a class="jxr_linenumber" name="543" href="#543">543</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectingState</a>(StateMachine.Fsm fsm) { |
| <a class="jxr_linenumber" name="544" href="#544">544</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="545" href="#545">545</a> LOG.debug(<span class="jxr_string">"NEW STATE: CONNECTING"</span>); |
| <a class="jxr_linenumber" name="546" href="#546">546</a> } |
| <a class="jxr_linenumber" name="547" href="#547">547</a> |
| <a class="jxr_linenumber" name="548" href="#548">548</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">UserEvent</a> e) { |
| <a class="jxr_linenumber" name="549" href="#549">549</a> fsm.deferEvent(e); |
| <a class="jxr_linenumber" name="550" href="#550">550</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="551" href="#551">551</a> } |
| <a class="jxr_linenumber" name="552" href="#552">552</a> |
| <a class="jxr_linenumber" name="553" href="#553">553</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedEvent</a> e) { |
| <a class="jxr_linenumber" name="554" href="#554">554</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakingState</a>(fsm, e.getParam()); |
| <a class="jxr_linenumber" name="555" href="#555">555</a> } |
| <a class="jxr_linenumber" name="556" href="#556">556</a> |
| <a class="jxr_linenumber" name="557" href="#557">557</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ChannelClosedEvent</a> e) { |
| <a class="jxr_linenumber" name="558" href="#558">558</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectionFailedState</a>(fsm, e.getParam()); |
| <a class="jxr_linenumber" name="559" href="#559">559</a> } |
| <a class="jxr_linenumber" name="560" href="#560">560</a> |
| <a class="jxr_linenumber" name="561" href="#561">561</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a> e) { |
| <a class="jxr_linenumber" name="562" href="#562">562</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectionFailedState</a>(fsm, e.getParam()); |
| <a class="jxr_linenumber" name="563" href="#563">563</a> } |
| <a class="jxr_linenumber" name="564" href="#564">564</a> |
| <a class="jxr_linenumber" name="565" href="#565">565</a> } |
| <a class="jxr_linenumber" name="566" href="#566">566</a> |
| <a class="jxr_linenumber" name="567" href="#567">567</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> { |
| <a class="jxr_linenumber" name="568" href="#568">568</a> |
| <a class="jxr_linenumber" name="569" href="#569">569</a> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> event; |
| <a class="jxr_linenumber" name="570" href="#570">570</a> <strong class="jxr_keyword">final</strong> Timeout timeout; |
| <a class="jxr_linenumber" name="571" href="#571">571</a> |
| <a class="jxr_linenumber" name="572" href="#572">572</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a>(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> event, Timeout timeout) { |
| <a class="jxr_linenumber" name="573" href="#573">573</a> <strong class="jxr_keyword">this</strong>.event = event; |
| <a class="jxr_linenumber" name="574" href="#574">574</a> <strong class="jxr_keyword">this</strong>.timeout = timeout; |
| <a class="jxr_linenumber" name="575" href="#575">575</a> } |
| <a class="jxr_linenumber" name="576" href="#576">576</a> |
| <a class="jxr_linenumber" name="577" href="#577">577</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> getRequest() { |
| <a class="jxr_linenumber" name="578" href="#578">578</a> <strong class="jxr_keyword">return</strong> event; |
| <a class="jxr_linenumber" name="579" href="#579">579</a> } |
| <a class="jxr_linenumber" name="580" href="#580">580</a> |
| <a class="jxr_linenumber" name="581" href="#581">581</a> Timeout getTimeout() { |
| <a class="jxr_linenumber" name="582" href="#582">582</a> <strong class="jxr_keyword">return</strong> timeout; |
| <a class="jxr_linenumber" name="583" href="#583">583</a> } |
| <a class="jxr_linenumber" name="584" href="#584">584</a> |
| <a class="jxr_linenumber" name="585" href="#585">585</a> <strong class="jxr_keyword">public</strong> String toString() { |
| <a class="jxr_linenumber" name="586" href="#586">586</a> String info = <span class="jxr_string">"Request type "</span>; |
| <a class="jxr_linenumber" name="587" href="#587">587</a> <strong class="jxr_keyword">if</strong> (event.getRequest().hasTimestampRequest()) { |
| <a class="jxr_linenumber" name="588" href="#588">588</a> info += <span class="jxr_string">"[Timestamp]"</span>; |
| <a class="jxr_linenumber" name="589" href="#589">589</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (event.getRequest().hasCommitRequest()) { |
| <a class="jxr_linenumber" name="590" href="#590">590</a> info += <span class="jxr_string">"[Commit] Start TS ->"</span> + event.getRequest().getCommitRequest().getStartTimestamp(); |
| <a class="jxr_linenumber" name="591" href="#591">591</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="592" href="#592">592</a> info += <span class="jxr_string">"NONE"</span>; |
| <a class="jxr_linenumber" name="593" href="#593">593</a> } |
| <a class="jxr_linenumber" name="594" href="#594">594</a> <strong class="jxr_keyword">return</strong> info; |
| <a class="jxr_linenumber" name="595" href="#595">595</a> } |
| <a class="jxr_linenumber" name="596" href="#596">596</a> } |
| <a class="jxr_linenumber" name="597" href="#597">597</a> |
| <a class="jxr_linenumber" name="598" href="#598">598</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakingState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> { |
| <a class="jxr_linenumber" name="599" href="#599">599</a> |
| <a class="jxr_linenumber" name="600" href="#600">600</a> <strong class="jxr_keyword">final</strong> Channel channel; |
| <a class="jxr_linenumber" name="601" href="#601">601</a> |
| <a class="jxr_linenumber" name="602" href="#602">602</a> <strong class="jxr_keyword">final</strong> HashedWheelTimer timeoutExecutor = <strong class="jxr_keyword">new</strong> HashedWheelTimer( |
| <a class="jxr_linenumber" name="603" href="#603">603</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"tso-client-timeout"</span>).build()); |
| <a class="jxr_linenumber" name="604" href="#604">604</a> <strong class="jxr_keyword">final</strong> Timeout timeout; |
| <a class="jxr_linenumber" name="605" href="#605">605</a> |
| <a class="jxr_linenumber" name="606" href="#606">606</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakingState</a>(StateMachine.Fsm fsm, Channel channel) { |
| <a class="jxr_linenumber" name="607" href="#607">607</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="608" href="#608">608</a> LOG.debug(<span class="jxr_string">"NEW STATE: HANDSHAKING"</span>); |
| <a class="jxr_linenumber" name="609" href="#609">609</a> <strong class="jxr_keyword">this</strong>.channel = channel; |
| <a class="jxr_linenumber" name="610" href="#610">610</a> TSOProto.HandshakeRequest.Builder handshake = TSOProto.HandshakeRequest.newBuilder(); |
| <a class="jxr_linenumber" name="611" href="#611">611</a> <em class="jxr_comment">// Add the required handshake capabilities when necessary</em> |
| <a class="jxr_linenumber" name="612" href="#612">612</a> handshake.setClientCapabilities(TSOProto.Capabilities.newBuilder().build()); |
| <a class="jxr_linenumber" name="613" href="#613">613</a> channel.write(TSOProto.Request.newBuilder().setHandshakeRequest(handshake.build()).build()); |
| <a class="jxr_linenumber" name="614" href="#614">614</a> timeout = newTimeout(); |
| <a class="jxr_linenumber" name="615" href="#615">615</a> } |
| <a class="jxr_linenumber" name="616" href="#616">616</a> |
| <a class="jxr_linenumber" name="617" href="#617">617</a> <strong class="jxr_keyword">private</strong> Timeout newTimeout() { |
| <a class="jxr_linenumber" name="618" href="#618">618</a> <strong class="jxr_keyword">if</strong> (requestTimeoutInMs > 0) { |
| <a class="jxr_linenumber" name="619" href="#619">619</a> <strong class="jxr_keyword">return</strong> timeoutExecutor.newTimeout(<strong class="jxr_keyword">new</strong> TimerTask() { |
| <a class="jxr_linenumber" name="620" href="#620">620</a> @Override |
| <a class="jxr_linenumber" name="621" href="#621">621</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run(Timeout timeout) { |
| <a class="jxr_linenumber" name="622" href="#622">622</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeTimeoutEvent</a>()); |
| <a class="jxr_linenumber" name="623" href="#623">623</a> } |
| <a class="jxr_linenumber" name="624" href="#624">624</a> }, 30, TimeUnit.SECONDS); |
| <a class="jxr_linenumber" name="625" href="#625">625</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="626" href="#626">626</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="627" href="#627">627</a> } |
| <a class="jxr_linenumber" name="628" href="#628">628</a> } |
| <a class="jxr_linenumber" name="629" href="#629">629</a> |
| <a class="jxr_linenumber" name="630" href="#630">630</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">UserEvent</a> e) { |
| <a class="jxr_linenumber" name="631" href="#631">631</a> fsm.deferEvent(e); |
| <a class="jxr_linenumber" name="632" href="#632">632</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="633" href="#633">633</a> } |
| <a class="jxr_linenumber" name="634" href="#634">634</a> |
| <a class="jxr_linenumber" name="635" href="#635">635</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a> e) { |
| <a class="jxr_linenumber" name="636" href="#636">636</a> lowLatency = e.getParam().getHandshakeResponse().getLowLatency(); |
| <a class="jxr_linenumber" name="637" href="#637">637</a> <strong class="jxr_keyword">if</strong> (e.getParam().hasHandshakeResponse() && e.getParam().getHandshakeResponse().getClientCompatible()) { |
| <a class="jxr_linenumber" name="638" href="#638">638</a> <strong class="jxr_keyword">if</strong> (timeout != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="639" href="#639">639</a> timeout.cancel(); |
| <a class="jxr_linenumber" name="640" href="#640">640</a> } |
| <a class="jxr_linenumber" name="641" href="#641">641</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedState</a>(fsm, channel, timeoutExecutor); |
| <a class="jxr_linenumber" name="642" href="#642">642</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="643" href="#643">643</a> cleanupState(); |
| <a class="jxr_linenumber" name="644" href="#644">644</a> LOG.error(<span class="jxr_string">"Client incompatible with server"</span>); |
| <a class="jxr_linenumber" name="645" href="#645">645</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeFailedState</a>(fsm, <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/HandshakeFailedException.html">HandshakeFailedException</a>()); |
| <a class="jxr_linenumber" name="646" href="#646">646</a> } |
| <a class="jxr_linenumber" name="647" href="#647">647</a> } |
| <a class="jxr_linenumber" name="648" href="#648">648</a> |
| <a class="jxr_linenumber" name="649" href="#649">649</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="650" href="#650">650</a> cleanupState(); |
| <a class="jxr_linenumber" name="651" href="#651">651</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ClosingState</a>(fsm); |
| <a class="jxr_linenumber" name="652" href="#652">652</a> } |
| <a class="jxr_linenumber" name="653" href="#653">653</a> |
| <a class="jxr_linenumber" name="654" href="#654">654</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a> e) { |
| <a class="jxr_linenumber" name="655" href="#655">655</a> cleanupState(); |
| <a class="jxr_linenumber" name="656" href="#656">656</a> Throwable exception = e.getParam(); |
| <a class="jxr_linenumber" name="657" href="#657">657</a> LOG.error(<span class="jxr_string">"Error during handshake"</span>, exception); |
| <a class="jxr_linenumber" name="658" href="#658">658</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeFailedState</a>(fsm, exception); |
| <a class="jxr_linenumber" name="659" href="#659">659</a> } |
| <a class="jxr_linenumber" name="660" href="#660">660</a> |
| <a class="jxr_linenumber" name="661" href="#661">661</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> cleanupState() { |
| <a class="jxr_linenumber" name="662" href="#662">662</a> timeoutExecutor.stop(); |
| <a class="jxr_linenumber" name="663" href="#663">663</a> channel.close(); |
| <a class="jxr_linenumber" name="664" href="#664">664</a> <strong class="jxr_keyword">if</strong> (timeout != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="665" href="#665">665</a> timeout.cancel(); |
| <a class="jxr_linenumber" name="666" href="#666">666</a> } |
| <a class="jxr_linenumber" name="667" href="#667">667</a> } |
| <a class="jxr_linenumber" name="668" href="#668">668</a> |
| <a class="jxr_linenumber" name="669" href="#669">669</a> } |
| <a class="jxr_linenumber" name="670" href="#670">670</a> |
| <a class="jxr_linenumber" name="671" href="#671">671</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectionFailedState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> { |
| <a class="jxr_linenumber" name="672" href="#672">672</a> |
| <a class="jxr_linenumber" name="673" href="#673">673</a> <strong class="jxr_keyword">final</strong> HashedWheelTimer reconnectionTimeoutExecutor = <strong class="jxr_keyword">new</strong> HashedWheelTimer( |
| <a class="jxr_linenumber" name="674" href="#674">674</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"tso-client-backoff-timeout"</span>).build()); |
| <a class="jxr_linenumber" name="675" href="#675">675</a> |
| <a class="jxr_linenumber" name="676" href="#676">676</a> Throwable exception; |
| <a class="jxr_linenumber" name="677" href="#677">677</a> |
| <a class="jxr_linenumber" name="678" href="#678">678</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectionFailedState</a>(<strong class="jxr_keyword">final</strong> StateMachine.Fsm fsm, <strong class="jxr_keyword">final</strong> Throwable exception) { |
| <a class="jxr_linenumber" name="679" href="#679">679</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="680" href="#680">680</a> LOG.debug(<span class="jxr_string">"NEW STATE: CONNECTION FAILED [RE-CONNECTION BACKOFF]"</span>); |
| <a class="jxr_linenumber" name="681" href="#681">681</a> <strong class="jxr_keyword">this</strong>.exception = exception; |
| <a class="jxr_linenumber" name="682" href="#682">682</a> reconnectionTimeoutExecutor.newTimeout(<strong class="jxr_keyword">new</strong> TimerTask() { |
| <a class="jxr_linenumber" name="683" href="#683">683</a> @Override |
| <a class="jxr_linenumber" name="684" href="#684">684</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run(Timeout timeout) { |
| <a class="jxr_linenumber" name="685" href="#685">685</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ReconnectEvent</a>()); |
| <a class="jxr_linenumber" name="686" href="#686">686</a> } |
| <a class="jxr_linenumber" name="687" href="#687">687</a> }, tsoReconnectionDelayInSecs, TimeUnit.SECONDS); |
| <a class="jxr_linenumber" name="688" href="#688">688</a> } |
| <a class="jxr_linenumber" name="689" href="#689">689</a> |
| <a class="jxr_linenumber" name="690" href="#690">690</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">UserEvent</a> e) { |
| <a class="jxr_linenumber" name="691" href="#691">691</a> e.error(exception); |
| <a class="jxr_linenumber" name="692" href="#692">692</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="693" href="#693">693</a> } |
| <a class="jxr_linenumber" name="694" href="#694">694</a> |
| <a class="jxr_linenumber" name="695" href="#695">695</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a> e) { |
| <a class="jxr_linenumber" name="696" href="#696">696</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="697" href="#697">697</a> } |
| <a class="jxr_linenumber" name="698" href="#698">698</a> |
| <a class="jxr_linenumber" name="699" href="#699">699</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ChannelClosedEvent</a> e) { |
| <a class="jxr_linenumber" name="700" href="#700">700</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">DisconnectedState</a>(fsm); |
| <a class="jxr_linenumber" name="701" href="#701">701</a> } |
| <a class="jxr_linenumber" name="702" href="#702">702</a> |
| <a class="jxr_linenumber" name="703" href="#703">703</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ReconnectEvent</a> e) { |
| <a class="jxr_linenumber" name="704" href="#704">704</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">DisconnectedState</a>(fsm); |
| <a class="jxr_linenumber" name="705" href="#705">705</a> } |
| <a class="jxr_linenumber" name="706" href="#706">706</a> |
| <a class="jxr_linenumber" name="707" href="#707">707</a> } |
| <a class="jxr_linenumber" name="708" href="#708">708</a> |
| <a class="jxr_linenumber" name="709" href="#709">709</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeFailedState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectionFailedState</a> { |
| <a class="jxr_linenumber" name="710" href="#710">710</a> |
| <a class="jxr_linenumber" name="711" href="#711">711</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeFailedState</a>(StateMachine.Fsm fsm, Throwable exception) { |
| <a class="jxr_linenumber" name="712" href="#712">712</a> <strong class="jxr_keyword">super</strong>(fsm, exception); |
| <a class="jxr_linenumber" name="713" href="#713">713</a> LOG.debug(<span class="jxr_string">"STATE: HANDSHAKING FAILED"</span>); |
| <a class="jxr_linenumber" name="714" href="#714">714</a> } |
| <a class="jxr_linenumber" name="715" href="#715">715</a> |
| <a class="jxr_linenumber" name="716" href="#716">716</a> } |
| <a class="jxr_linenumber" name="717" href="#717">717</a> |
| <a class="jxr_linenumber" name="718" href="#718">718</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> { |
| <a class="jxr_linenumber" name="719" href="#719">719</a> |
| <a class="jxr_linenumber" name="720" href="#720">720</a> <strong class="jxr_keyword">final</strong> Queue<RequestAndTimeout> timestampRequests; |
| <a class="jxr_linenumber" name="721" href="#721">721</a> <strong class="jxr_keyword">final</strong> Map<Long, RequestAndTimeout> commitRequests; |
| <a class="jxr_linenumber" name="722" href="#722">722</a> <strong class="jxr_keyword">final</strong> Map<Long, RequestAndTimeout> fenceRequests; |
| <a class="jxr_linenumber" name="723" href="#723">723</a> <strong class="jxr_keyword">final</strong> Channel channel; |
| <a class="jxr_linenumber" name="724" href="#724">724</a> |
| <a class="jxr_linenumber" name="725" href="#725">725</a> <strong class="jxr_keyword">final</strong> HashedWheelTimer timeoutExecutor; |
| <a class="jxr_linenumber" name="726" href="#726">726</a> |
| <a class="jxr_linenumber" name="727" href="#727">727</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedState</a>(StateMachine.Fsm fsm, Channel channel, HashedWheelTimer timeoutExecutor) { |
| <a class="jxr_linenumber" name="728" href="#728">728</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="729" href="#729">729</a> LOG.debug(<span class="jxr_string">"NEW STATE: CONNECTED"</span>); |
| <a class="jxr_linenumber" name="730" href="#730">730</a> <strong class="jxr_keyword">this</strong>.channel = channel; |
| <a class="jxr_linenumber" name="731" href="#731">731</a> <strong class="jxr_keyword">this</strong>.timeoutExecutor = timeoutExecutor; |
| <a class="jxr_linenumber" name="732" href="#732">732</a> timestampRequests = <strong class="jxr_keyword">new</strong> ArrayDeque<>(); |
| <a class="jxr_linenumber" name="733" href="#733">733</a> commitRequests = <strong class="jxr_keyword">new</strong> HashMap<>(); |
| <a class="jxr_linenumber" name="734" href="#734">734</a> fenceRequests = <strong class="jxr_keyword">new</strong> HashMap<>(); |
| <a class="jxr_linenumber" name="735" href="#735">735</a> } |
| <a class="jxr_linenumber" name="736" href="#736">736</a> |
| <a class="jxr_linenumber" name="737" href="#737">737</a> <strong class="jxr_keyword">private</strong> Timeout newTimeout(<strong class="jxr_keyword">final</strong> StateMachine.Event timeoutEvent) { |
| <a class="jxr_linenumber" name="738" href="#738">738</a> <strong class="jxr_keyword">if</strong> (requestTimeoutInMs > 0) { |
| <a class="jxr_linenumber" name="739" href="#739">739</a> <strong class="jxr_keyword">return</strong> timeoutExecutor.newTimeout(<strong class="jxr_keyword">new</strong> TimerTask() { |
| <a class="jxr_linenumber" name="740" href="#740">740</a> @Override |
| <a class="jxr_linenumber" name="741" href="#741">741</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run(Timeout timeout) { |
| <a class="jxr_linenumber" name="742" href="#742">742</a> fsm.sendEvent(timeoutEvent); |
| <a class="jxr_linenumber" name="743" href="#743">743</a> } |
| <a class="jxr_linenumber" name="744" href="#744">744</a> }, requestTimeoutInMs, TimeUnit.MILLISECONDS); |
| <a class="jxr_linenumber" name="745" href="#745">745</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="746" href="#746">746</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="747" href="#747">747</a> } |
| <a class="jxr_linenumber" name="748" href="#748">748</a> } |
| <a class="jxr_linenumber" name="749" href="#749">749</a> |
| <a class="jxr_linenumber" name="750" href="#750">750</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> sendRequest(<strong class="jxr_keyword">final</strong> StateMachine.Fsm fsm, <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> request) { |
| <a class="jxr_linenumber" name="751" href="#751">751</a> TSOProto.Request req = request.getRequest(); |
| <a class="jxr_linenumber" name="752" href="#752">752</a> |
| <a class="jxr_linenumber" name="753" href="#753">753</a> <strong class="jxr_keyword">if</strong> (req.hasTimestampRequest()) { |
| <a class="jxr_linenumber" name="754" href="#754">754</a> timestampRequests.add(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a>(request, newTimeout(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TimestampRequestTimeoutEvent</a>()))); |
| <a class="jxr_linenumber" name="755" href="#755">755</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (req.hasCommitRequest()) { |
| <a class="jxr_linenumber" name="756" href="#756">756</a> TSOProto.CommitRequest commitReq = req.getCommitRequest(); |
| <a class="jxr_linenumber" name="757" href="#757">757</a> commitRequests.put(commitReq.getStartTimestamp(), <strong class="jxr_keyword">new</strong> RequestAndTimeout( |
| <a class="jxr_linenumber" name="758" href="#758">758</a> request, newTimeout(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CommitRequestTimeoutEvent</a>(commitReq.getStartTimestamp())))); |
| <a class="jxr_linenumber" name="759" href="#759">759</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (req.hasFenceRequest()) { |
| <a class="jxr_linenumber" name="760" href="#760">760</a> TSOProto.FenceRequest fenceReq = req.getFenceRequest(); |
| <a class="jxr_linenumber" name="761" href="#761">761</a> fenceRequests.put(fenceReq.getTableId(), <strong class="jxr_keyword">new</strong> RequestAndTimeout( |
| <a class="jxr_linenumber" name="762" href="#762">762</a> request, newTimeout(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">FenceRequestTimeoutEvent</a>(fenceReq.getTableId())))); |
| <a class="jxr_linenumber" name="763" href="#763">763</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="764" href="#764">764</a> request.error(<strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Unknown request type"</span>)); |
| <a class="jxr_linenumber" name="765" href="#765">765</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="766" href="#766">766</a> } |
| <a class="jxr_linenumber" name="767" href="#767">767</a> ChannelFuture f = channel.write(req); |
| <a class="jxr_linenumber" name="768" href="#768">768</a> |
| <a class="jxr_linenumber" name="769" href="#769">769</a> f.addListener(<strong class="jxr_keyword">new</strong> ChannelFutureListener() { |
| <a class="jxr_linenumber" name="770" href="#770">770</a> @Override |
| <a class="jxr_linenumber" name="771" href="#771">771</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> operationComplete(ChannelFuture future) { |
| <a class="jxr_linenumber" name="772" href="#772">772</a> <strong class="jxr_keyword">if</strong> (!future.isSuccess()) { |
| <a class="jxr_linenumber" name="773" href="#773">773</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a>(future.getCause())); |
| <a class="jxr_linenumber" name="774" href="#774">774</a> } |
| <a class="jxr_linenumber" name="775" href="#775">775</a> } |
| <a class="jxr_linenumber" name="776" href="#776">776</a> }); |
| <a class="jxr_linenumber" name="777" href="#777">777</a> } |
| <a class="jxr_linenumber" name="778" href="#778">778</a> |
| <a class="jxr_linenumber" name="779" href="#779">779</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> handleResponse(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a> response) { |
| <a class="jxr_linenumber" name="780" href="#780">780</a> TSOProto.Response resp = response.getParam(); |
| <a class="jxr_linenumber" name="781" href="#781">781</a> <strong class="jxr_keyword">if</strong> (resp.hasTimestampResponse()) { |
| <a class="jxr_linenumber" name="782" href="#782">782</a> <strong class="jxr_keyword">if</strong> (timestampRequests.size() == 0) { |
| <a class="jxr_linenumber" name="783" href="#783">783</a> LOG.debug(<span class="jxr_string">"Received timestamp response when no requests outstanding"</span>); |
| <a class="jxr_linenumber" name="784" href="#784">784</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="785" href="#785">785</a> } |
| <a class="jxr_linenumber" name="786" href="#786">786</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> e = timestampRequests.remove(); |
| <a class="jxr_linenumber" name="787" href="#787">787</a> e.getRequest().success(resp.getTimestampResponse().getStartTimestamp()); |
| <a class="jxr_linenumber" name="788" href="#788">788</a> <strong class="jxr_keyword">if</strong> (e.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="789" href="#789">789</a> e.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="790" href="#790">790</a> } |
| <a class="jxr_linenumber" name="791" href="#791">791</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (resp.hasCommitResponse()) { |
| <a class="jxr_linenumber" name="792" href="#792">792</a> <strong class="jxr_keyword">long</strong> startTimestamp = resp.getCommitResponse().getStartTimestamp(); |
| <a class="jxr_linenumber" name="793" href="#793">793</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> e = commitRequests.remove(startTimestamp); |
| <a class="jxr_linenumber" name="794" href="#794">794</a> <strong class="jxr_keyword">if</strong> (e == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="795" href="#795">795</a> LOG.debug(<span class="jxr_string">"Received commit response for request that doesn't exist. Start TS: {}"</span>, startTimestamp); |
| <a class="jxr_linenumber" name="796" href="#796">796</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="797" href="#797">797</a> } |
| <a class="jxr_linenumber" name="798" href="#798">798</a> <strong class="jxr_keyword">if</strong> (e.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="799" href="#799">799</a> e.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="800" href="#800">800</a> } |
| <a class="jxr_linenumber" name="801" href="#801">801</a> <strong class="jxr_keyword">if</strong> (resp.getCommitResponse().getAborted()) { |
| <a class="jxr_linenumber" name="802" href="#802">802</a> e.getRequest().error(<strong class="jxr_keyword">new</strong> AbortException()); |
| <a class="jxr_linenumber" name="803" href="#803">803</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="804" href="#804">804</a> e.getRequest().success(resp.getCommitResponse().getCommitTimestamp()); |
| <a class="jxr_linenumber" name="805" href="#805">805</a> } |
| <a class="jxr_linenumber" name="806" href="#806">806</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (resp.hasFenceResponse()) { |
| <a class="jxr_linenumber" name="807" href="#807">807</a> <strong class="jxr_keyword">long</strong> tableID = resp.getFenceResponse().getTableId(); |
| <a class="jxr_linenumber" name="808" href="#808">808</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> e = fenceRequests.remove(tableID); |
| <a class="jxr_linenumber" name="809" href="#809">809</a> <strong class="jxr_keyword">if</strong> (e == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="810" href="#810">810</a> LOG.debug(<span class="jxr_string">"Received fence response for request that doesn't exist. Table ID: {}"</span>, tableID); |
| <a class="jxr_linenumber" name="811" href="#811">811</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="812" href="#812">812</a> } |
| <a class="jxr_linenumber" name="813" href="#813">813</a> <strong class="jxr_keyword">if</strong> (e.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="814" href="#814">814</a> e.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="815" href="#815">815</a> } |
| <a class="jxr_linenumber" name="816" href="#816">816</a> |
| <a class="jxr_linenumber" name="817" href="#817">817</a> e.getRequest().success(resp.getFenceResponse().getFenceId()); |
| <a class="jxr_linenumber" name="818" href="#818">818</a> } |
| <a class="jxr_linenumber" name="819" href="#819">819</a> } |
| <a class="jxr_linenumber" name="820" href="#820">820</a> |
| <a class="jxr_linenumber" name="821" href="#821">821</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TimestampRequestTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="822" href="#822">822</a> <strong class="jxr_keyword">if</strong> (!timestampRequests.isEmpty()) { |
| <a class="jxr_linenumber" name="823" href="#823">823</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> r = timestampRequests.remove(); |
| <a class="jxr_linenumber" name="824" href="#824">824</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="825" href="#825">825</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="826" href="#826">826</a> } |
| <a class="jxr_linenumber" name="827" href="#827">827</a> queueRetryOrError(fsm, r.getRequest()); |
| <a class="jxr_linenumber" name="828" href="#828">828</a> } |
| <a class="jxr_linenumber" name="829" href="#829">829</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="830" href="#830">830</a> } |
| <a class="jxr_linenumber" name="831" href="#831">831</a> |
| <a class="jxr_linenumber" name="832" href="#832">832</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CommitRequestTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="833" href="#833">833</a> <strong class="jxr_keyword">long</strong> startTimestamp = e.getStartTimestamp(); |
| <a class="jxr_linenumber" name="834" href="#834">834</a> <strong class="jxr_keyword">if</strong> (commitRequests.containsKey(startTimestamp)) { |
| <a class="jxr_linenumber" name="835" href="#835">835</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> r = commitRequests.remove(startTimestamp); |
| <a class="jxr_linenumber" name="836" href="#836">836</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="837" href="#837">837</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="838" href="#838">838</a> } |
| <a class="jxr_linenumber" name="839" href="#839">839</a> queueRetryOrError(fsm, r.getRequest()); |
| <a class="jxr_linenumber" name="840" href="#840">840</a> } |
| <a class="jxr_linenumber" name="841" href="#841">841</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="842" href="#842">842</a> } |
| <a class="jxr_linenumber" name="843" href="#843">843</a> |
| <a class="jxr_linenumber" name="844" href="#844">844</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">FenceRequestTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="845" href="#845">845</a> <strong class="jxr_keyword">long</strong> tableID = e.getTableID(); |
| <a class="jxr_linenumber" name="846" href="#846">846</a> <strong class="jxr_keyword">if</strong> (fenceRequests.containsKey(tableID)) { |
| <a class="jxr_linenumber" name="847" href="#847">847</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> r = fenceRequests.remove(tableID); |
| <a class="jxr_linenumber" name="848" href="#848">848</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="849" href="#849">849</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="850" href="#850">850</a> } |
| <a class="jxr_linenumber" name="851" href="#851">851</a> queueRetryOrError(fsm, r.getRequest()); |
| <a class="jxr_linenumber" name="852" href="#852">852</a> } |
| <a class="jxr_linenumber" name="853" href="#853">853</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="854" href="#854">854</a> } |
| <a class="jxr_linenumber" name="855" href="#855">855</a> |
| <a class="jxr_linenumber" name="856" href="#856">856</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CloseEvent</a> e) { |
| <a class="jxr_linenumber" name="857" href="#857">857</a> LOG.debug(<span class="jxr_string">"CONNECTED STATE: CloseEvent"</span>); |
| <a class="jxr_linenumber" name="858" href="#858">858</a> timeoutExecutor.stop(); |
| <a class="jxr_linenumber" name="859" href="#859">859</a> closeChannelAndErrorRequests(); |
| <a class="jxr_linenumber" name="860" href="#860">860</a> fsm.deferEvent(e); |
| <a class="jxr_linenumber" name="861" href="#861">861</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ClosingState</a>(fsm); |
| <a class="jxr_linenumber" name="862" href="#862">862</a> } |
| <a class="jxr_linenumber" name="863" href="#863">863</a> |
| <a class="jxr_linenumber" name="864" href="#864">864</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> e) { |
| <a class="jxr_linenumber" name="865" href="#865">865</a> sendRequest(fsm, e); |
| <a class="jxr_linenumber" name="866" href="#866">866</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="867" href="#867">867</a> } |
| <a class="jxr_linenumber" name="868" href="#868">868</a> |
| <a class="jxr_linenumber" name="869" href="#869">869</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a> e) { |
| <a class="jxr_linenumber" name="870" href="#870">870</a> handleResponse(e); |
| <a class="jxr_linenumber" name="871" href="#871">871</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="872" href="#872">872</a> } |
| <a class="jxr_linenumber" name="873" href="#873">873</a> |
| <a class="jxr_linenumber" name="874" href="#874">874</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a> e) { |
| <a class="jxr_linenumber" name="875" href="#875">875</a> LOG.debug(<span class="jxr_string">"CONNECTED STATE: ErrorEvent"</span>); |
| <a class="jxr_linenumber" name="876" href="#876">876</a> timeoutExecutor.stop(); |
| <a class="jxr_linenumber" name="877" href="#877">877</a> handleError(fsm); |
| <a class="jxr_linenumber" name="878" href="#878">878</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ClosingState</a>(fsm); |
| <a class="jxr_linenumber" name="879" href="#879">879</a> } |
| <a class="jxr_linenumber" name="880" href="#880">880</a> |
| <a class="jxr_linenumber" name="881" href="#881">881</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> handleError(StateMachine.Fsm fsm) { |
| <a class="jxr_linenumber" name="882" href="#882">882</a> LOG.debug(<span class="jxr_string">"CONNECTED STATE: Cancelling Timeouts in handleError"</span>); |
| <a class="jxr_linenumber" name="883" href="#883">883</a> <strong class="jxr_keyword">while</strong> (timestampRequests.size() > 0) { |
| <a class="jxr_linenumber" name="884" href="#884">884</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> r = timestampRequests.remove(); |
| <a class="jxr_linenumber" name="885" href="#885">885</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="886" href="#886">886</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="887" href="#887">887</a> } |
| <a class="jxr_linenumber" name="888" href="#888">888</a> queueRetryOrError(fsm, r.getRequest()); |
| <a class="jxr_linenumber" name="889" href="#889">889</a> } |
| <a class="jxr_linenumber" name="890" href="#890">890</a> Iterator<Map.Entry<Long, RequestAndTimeout>> iter = commitRequests.entrySet().iterator(); |
| <a class="jxr_linenumber" name="891" href="#891">891</a> <strong class="jxr_keyword">while</strong> (iter.hasNext()) { |
| <a class="jxr_linenumber" name="892" href="#892">892</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> r = iter.next().getValue(); |
| <a class="jxr_linenumber" name="893" href="#893">893</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="894" href="#894">894</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="895" href="#895">895</a> } |
| <a class="jxr_linenumber" name="896" href="#896">896</a> queueRetryOrError(fsm, r.getRequest()); |
| <a class="jxr_linenumber" name="897" href="#897">897</a> iter.remove(); |
| <a class="jxr_linenumber" name="898" href="#898">898</a> } |
| <a class="jxr_linenumber" name="899" href="#899">899</a> iter = fenceRequests.entrySet().iterator(); |
| <a class="jxr_linenumber" name="900" href="#900">900</a> <strong class="jxr_keyword">while</strong> (iter.hasNext()) { |
| <a class="jxr_linenumber" name="901" href="#901">901</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestAndTimeout</a> r = iter.next().getValue(); |
| <a class="jxr_linenumber" name="902" href="#902">902</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="903" href="#903">903</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="904" href="#904">904</a> } |
| <a class="jxr_linenumber" name="905" href="#905">905</a> queueRetryOrError(fsm, r.getRequest()); |
| <a class="jxr_linenumber" name="906" href="#906">906</a> iter.remove(); |
| <a class="jxr_linenumber" name="907" href="#907">907</a> } |
| <a class="jxr_linenumber" name="908" href="#908">908</a> channel.close(); |
| <a class="jxr_linenumber" name="909" href="#909">909</a> } |
| <a class="jxr_linenumber" name="910" href="#910">910</a> |
| <a class="jxr_linenumber" name="911" href="#911">911</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> queueRetryOrError(StateMachine.Fsm fsm, <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">RequestEvent</a> e) { |
| <a class="jxr_linenumber" name="912" href="#912">912</a> <strong class="jxr_keyword">if</strong> (e.getRetriesLeft() > 0) { |
| <a class="jxr_linenumber" name="913" href="#913">913</a> e.decrementRetries(); |
| <a class="jxr_linenumber" name="914" href="#914">914</a> <strong class="jxr_keyword">if</strong> (e.getRequest().hasCommitRequest()) { |
| <a class="jxr_linenumber" name="915" href="#915">915</a> TSOProto.CommitRequest commitRequest = e.getRequest().getCommitRequest(); |
| <a class="jxr_linenumber" name="916" href="#916">916</a> <strong class="jxr_keyword">if</strong> (!commitRequest.getIsRetry()) { <em class="jxr_comment">// Create a new retry for the commit request</em> |
| <a class="jxr_linenumber" name="917" href="#917">917</a> TSOProto.Request.Builder builder = TSOProto.Request.newBuilder(); |
| <a class="jxr_linenumber" name="918" href="#918">918</a> TSOProto.CommitRequest.Builder commitBuilder = TSOProto.CommitRequest.newBuilder(); |
| <a class="jxr_linenumber" name="919" href="#919">919</a> commitBuilder.mergeFrom(commitRequest); |
| <a class="jxr_linenumber" name="920" href="#920">920</a> commitBuilder.setIsRetry(<strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="921" href="#921">921</a> builder.setCommitRequest(commitBuilder.build()); |
| <a class="jxr_linenumber" name="922" href="#922">922</a> e.setRequest(builder.build()); |
| <a class="jxr_linenumber" name="923" href="#923">923</a> } |
| <a class="jxr_linenumber" name="924" href="#924">924</a> } |
| <a class="jxr_linenumber" name="925" href="#925">925</a> fsm.sendEvent(e); |
| <a class="jxr_linenumber" name="926" href="#926">926</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="927" href="#927">927</a> e.error( |
| <a class="jxr_linenumber" name="928" href="#928">928</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/ServiceUnavailableException.html">ServiceUnavailableException</a>(<span class="jxr_string">"Number of retries exceeded. This API request failed permanently"</span>)); |
| <a class="jxr_linenumber" name="929" href="#929">929</a> } |
| <a class="jxr_linenumber" name="930" href="#930">930</a> } |
| <a class="jxr_linenumber" name="931" href="#931">931</a> |
| <a class="jxr_linenumber" name="932" href="#932">932</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> closeChannelAndErrorRequests() { |
| <a class="jxr_linenumber" name="933" href="#933">933</a> channel.close(); |
| <a class="jxr_linenumber" name="934" href="#934">934</a> <strong class="jxr_keyword">for</strong> (RequestAndTimeout r : timestampRequests) { |
| <a class="jxr_linenumber" name="935" href="#935">935</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="936" href="#936">936</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="937" href="#937">937</a> } |
| <a class="jxr_linenumber" name="938" href="#938">938</a> r.getRequest().error(<strong class="jxr_keyword">new</strong> ClosingException()); |
| <a class="jxr_linenumber" name="939" href="#939">939</a> } |
| <a class="jxr_linenumber" name="940" href="#940">940</a> <strong class="jxr_keyword">for</strong> (RequestAndTimeout r : commitRequests.values()) { |
| <a class="jxr_linenumber" name="941" href="#941">941</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="942" href="#942">942</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="943" href="#943">943</a> } |
| <a class="jxr_linenumber" name="944" href="#944">944</a> r.getRequest().error(<strong class="jxr_keyword">new</strong> ClosingException()); |
| <a class="jxr_linenumber" name="945" href="#945">945</a> } |
| <a class="jxr_linenumber" name="946" href="#946">946</a> <strong class="jxr_keyword">for</strong> (RequestAndTimeout r : fenceRequests.values()) { |
| <a class="jxr_linenumber" name="947" href="#947">947</a> <strong class="jxr_keyword">if</strong> (r.getTimeout() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="948" href="#948">948</a> r.getTimeout().cancel(); |
| <a class="jxr_linenumber" name="949" href="#949">949</a> } |
| <a class="jxr_linenumber" name="950" href="#950">950</a> r.getRequest().error(<strong class="jxr_keyword">new</strong> ClosingException()); |
| <a class="jxr_linenumber" name="951" href="#951">951</a> } |
| <a class="jxr_linenumber" name="952" href="#952">952</a> } |
| <a class="jxr_linenumber" name="953" href="#953">953</a> } |
| <a class="jxr_linenumber" name="954" href="#954">954</a> |
| <a class="jxr_linenumber" name="955" href="#955">955</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ClosingState</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">BaseState</a> { |
| <a class="jxr_linenumber" name="956" href="#956">956</a> |
| <a class="jxr_linenumber" name="957" href="#957">957</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ClosingState</a>(StateMachine.Fsm fsm) { |
| <a class="jxr_linenumber" name="958" href="#958">958</a> <strong class="jxr_keyword">super</strong>(fsm); |
| <a class="jxr_linenumber" name="959" href="#959">959</a> LOG.debug(<span class="jxr_string">"NEW STATE: CLOSING"</span>); |
| <a class="jxr_linenumber" name="960" href="#960">960</a> } |
| <a class="jxr_linenumber" name="961" href="#961">961</a> |
| <a class="jxr_linenumber" name="962" href="#962">962</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">TimestampRequestTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="963" href="#963">963</a> <em class="jxr_comment">// Ignored. They will be retried or errored</em> |
| <a class="jxr_linenumber" name="964" href="#964">964</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="965" href="#965">965</a> } |
| <a class="jxr_linenumber" name="966" href="#966">966</a> |
| <a class="jxr_linenumber" name="967" href="#967">967</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">CommitRequestTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="968" href="#968">968</a> <em class="jxr_comment">// Ignored. They will be retried or errored</em> |
| <a class="jxr_linenumber" name="969" href="#969">969</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="970" href="#970">970</a> } |
| <a class="jxr_linenumber" name="971" href="#971">971</a> |
| <a class="jxr_linenumber" name="972" href="#972">972</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">FenceRequestTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="973" href="#973">973</a> <em class="jxr_comment">// Ignored. They will be retried or errored</em> |
| <a class="jxr_linenumber" name="974" href="#974">974</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="975" href="#975">975</a> } |
| <a class="jxr_linenumber" name="976" href="#976">976</a> |
| <a class="jxr_linenumber" name="977" href="#977">977</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a> e) { |
| <a class="jxr_linenumber" name="978" href="#978">978</a> <em class="jxr_comment">// Ignored. They will be retried or errored</em> |
| <a class="jxr_linenumber" name="979" href="#979">979</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="980" href="#980">980</a> } |
| <a class="jxr_linenumber" name="981" href="#981">981</a> |
| <a class="jxr_linenumber" name="982" href="#982">982</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a> e) { |
| <a class="jxr_linenumber" name="983" href="#983">983</a> <em class="jxr_comment">// Ignored. They will be retried or errored</em> |
| <a class="jxr_linenumber" name="984" href="#984">984</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="985" href="#985">985</a> } |
| <a class="jxr_linenumber" name="986" href="#986">986</a> |
| <a class="jxr_linenumber" name="987" href="#987">987</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">UserEvent</a> e) { |
| <a class="jxr_linenumber" name="988" href="#988">988</a> fsm.deferEvent(e); |
| <a class="jxr_linenumber" name="989" href="#989">989</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="990" href="#990">990</a> } |
| <a class="jxr_linenumber" name="991" href="#991">991</a> |
| <a class="jxr_linenumber" name="992" href="#992">992</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ChannelClosedEvent</a> e) { |
| <a class="jxr_linenumber" name="993" href="#993">993</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">DisconnectedState</a>(fsm); |
| <a class="jxr_linenumber" name="994" href="#994">994</a> } |
| <a class="jxr_linenumber" name="995" href="#995">995</a> |
| <a class="jxr_linenumber" name="996" href="#996">996</a> <strong class="jxr_keyword">public</strong> StateMachine.State handleEvent(<a href="../../../../../org/apache/omid/tso/client/TSOClient.html">HandshakeTimeoutEvent</a> e) { |
| <a class="jxr_linenumber" name="997" href="#997">997</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <a class="jxr_linenumber" name="998" href="#998">998</a> } |
| <a class="jxr_linenumber" name="999" href="#999">999</a> |
| <a class="jxr_linenumber" name="1000" href="#1000">1000</a> } |
| <a class="jxr_linenumber" name="1001" href="#1001">1001</a> |
| <a class="jxr_linenumber" name="1002" href="#1002">1002</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="1003" href="#1003">1003</a> <em class="jxr_comment">// Helper classes & methods</em> |
| <a class="jxr_linenumber" name="1004" href="#1004">1004</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="1005" href="#1005">1005</a> |
| <a class="jxr_linenumber" name="1006" href="#1006">1006</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">Handler</a> <strong class="jxr_keyword">extends</strong> SimpleChannelHandler { |
| <a class="jxr_linenumber" name="1007" href="#1007">1007</a> |
| <a class="jxr_linenumber" name="1008" href="#1008">1008</a> <strong class="jxr_keyword">private</strong> StateMachine.Fsm fsm; |
| <a class="jxr_linenumber" name="1009" href="#1009">1009</a> |
| <a class="jxr_linenumber" name="1010" href="#1010">1010</a> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">Handler</a>(StateMachine.Fsm fsm) { |
| <a class="jxr_linenumber" name="1011" href="#1011">1011</a> <strong class="jxr_keyword">this</strong>.fsm = fsm; |
| <a class="jxr_linenumber" name="1012" href="#1012">1012</a> } |
| <a class="jxr_linenumber" name="1013" href="#1013">1013</a> |
| <a class="jxr_linenumber" name="1014" href="#1014">1014</a> @Override |
| <a class="jxr_linenumber" name="1015" href="#1015">1015</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) { |
| <a class="jxr_linenumber" name="1016" href="#1016">1016</a> currentChannel = e.getChannel(); |
| <a class="jxr_linenumber" name="1017" href="#1017">1017</a> LOG.debug(<span class="jxr_string">"HANDLER (CHANNEL CONNECTED): Connection {}. Sending connected event to FSM"</span>, e); |
| <a class="jxr_linenumber" name="1018" href="#1018">1018</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ConnectedEvent</a>(e.getChannel())); |
| <a class="jxr_linenumber" name="1019" href="#1019">1019</a> } |
| <a class="jxr_linenumber" name="1020" href="#1020">1020</a> |
| <a class="jxr_linenumber" name="1021" href="#1021">1021</a> @Override |
| <a class="jxr_linenumber" name="1022" href="#1022">1022</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelDisconnected(ChannelHandlerContext ctx, ChannelStateEvent e) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="1023" href="#1023">1023</a> LOG.debug(<span class="jxr_string">"HANDLER (CHANNEL DISCONNECTED): Connection {}. Sending error event to FSM"</span>, e); |
| <a class="jxr_linenumber" name="1024" href="#1024">1024</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a>(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/ConnectionException.html">ConnectionException</a>())); |
| <a class="jxr_linenumber" name="1025" href="#1025">1025</a> } |
| <a class="jxr_linenumber" name="1026" href="#1026">1026</a> |
| <a class="jxr_linenumber" name="1027" href="#1027">1027</a> @Override |
| <a class="jxr_linenumber" name="1028" href="#1028">1028</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelClosed(ChannelHandlerContext ctx, ChannelStateEvent e) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="1029" href="#1029">1029</a> LOG.debug(<span class="jxr_string">"HANDLER (CHANNEL CLOSED): Connection {}. Sending channel closed event to FSM"</span>, e); |
| <a class="jxr_linenumber" name="1030" href="#1030">1030</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ChannelClosedEvent</a>(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/ConnectionException.html">ConnectionException</a>())); |
| <a class="jxr_linenumber" name="1031" href="#1031">1031</a> } |
| <a class="jxr_linenumber" name="1032" href="#1032">1032</a> |
| <a class="jxr_linenumber" name="1033" href="#1033">1033</a> @Override |
| <a class="jxr_linenumber" name="1034" href="#1034">1034</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(ChannelHandlerContext ctx, MessageEvent e) { |
| <a class="jxr_linenumber" name="1035" href="#1035">1035</a> <strong class="jxr_keyword">if</strong> (e.getMessage() instanceof TSOProto.Response) { |
| <a class="jxr_linenumber" name="1036" href="#1036">1036</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ResponseEvent</a>((TSOProto.Response) e.getMessage())); |
| <a class="jxr_linenumber" name="1037" href="#1037">1037</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="1038" href="#1038">1038</a> LOG.warn(<span class="jxr_string">"Received unknown message"</span>, e.getMessage()); |
| <a class="jxr_linenumber" name="1039" href="#1039">1039</a> } |
| <a class="jxr_linenumber" name="1040" href="#1040">1040</a> } |
| <a class="jxr_linenumber" name="1041" href="#1041">1041</a> |
| <a class="jxr_linenumber" name="1042" href="#1042">1042</a> @Override |
| <a class="jxr_linenumber" name="1043" href="#1043">1043</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) <strong class="jxr_keyword">throws</strong> Exception { |
| <a class="jxr_linenumber" name="1044" href="#1044">1044</a> LOG.error(<span class="jxr_string">"Error on channel {}"</span>, ctx.getChannel(), e.getCause()); |
| <a class="jxr_linenumber" name="1045" href="#1045">1045</a> fsm.sendEvent(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/tso/client/TSOClient.html">ErrorEvent</a>(e.getCause())); |
| <a class="jxr_linenumber" name="1046" href="#1046">1046</a> } |
| <a class="jxr_linenumber" name="1047" href="#1047">1047</a> } |
| <a class="jxr_linenumber" name="1048" href="#1048">1048</a> |
| <a class="jxr_linenumber" name="1049" href="#1049">1049</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> setTSOAddress(String host, <strong class="jxr_keyword">int</strong> port) { |
| <a class="jxr_linenumber" name="1050" href="#1050">1050</a> tsoAddr = <strong class="jxr_keyword">new</strong> InetSocketAddress(host, port); |
| <a class="jxr_linenumber" name="1051" href="#1051">1051</a> } |
| <a class="jxr_linenumber" name="1052" href="#1052">1052</a> |
| <a class="jxr_linenumber" name="1053" href="#1053">1053</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> InetSocketAddress getAddress() { |
| <a class="jxr_linenumber" name="1054" href="#1054">1054</a> <strong class="jxr_keyword">return</strong> tsoAddr; |
| <a class="jxr_linenumber" name="1055" href="#1055">1055</a> } |
| <a class="jxr_linenumber" name="1056" href="#1056">1056</a> |
| <a class="jxr_linenumber" name="1057" href="#1057">1057</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> configureCurrentTSOServerZNodeCache(String currentTsoPath) { |
| <a class="jxr_linenumber" name="1058" href="#1058">1058</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="1059" href="#1059">1059</a> currentTSOZNode = <strong class="jxr_keyword">new</strong> NodeCache(zkClient, currentTsoPath); |
| <a class="jxr_linenumber" name="1060" href="#1060">1060</a> currentTSOZNode.getListenable().addListener(<strong class="jxr_keyword">this</strong>); |
| <a class="jxr_linenumber" name="1061" href="#1061">1061</a> currentTSOZNode.start(<strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="1062" href="#1062">1062</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a class="jxr_linenumber" name="1063" href="#1063">1063</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Cannot start watcher on current TSO Server ZNode: "</span> + e.getMessage()); |
| <a class="jxr_linenumber" name="1064" href="#1064">1064</a> } |
| <a class="jxr_linenumber" name="1065" href="#1065">1065</a> } |
| <a class="jxr_linenumber" name="1066" href="#1066">1066</a> |
| <a class="jxr_linenumber" name="1067" href="#1067">1067</a> <strong class="jxr_keyword">private</strong> String getCurrentTSOInfoFoundInZK(String currentTsoPath) { |
| <a class="jxr_linenumber" name="1068" href="#1068">1068</a> ChildData currentTSOData = currentTSOZNode.getCurrentData(); |
| <a class="jxr_linenumber" name="1069" href="#1069">1069</a> <strong class="jxr_keyword">if</strong> (currentTSOData == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="1070" href="#1070">1070</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"No data found in ZKNode "</span> + currentTsoPath); |
| <a class="jxr_linenumber" name="1071" href="#1071">1071</a> } |
| <a class="jxr_linenumber" name="1072" href="#1072">1072</a> byte[] currentTSOAndEpochAsBytes = currentTSOData.getData(); |
| <a class="jxr_linenumber" name="1073" href="#1073">1073</a> <strong class="jxr_keyword">if</strong> (currentTSOAndEpochAsBytes == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="1074" href="#1074">1074</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"No data found for current TSO in ZKNode "</span> + currentTsoPath); |
| <a class="jxr_linenumber" name="1075" href="#1075">1075</a> } |
| <a class="jxr_linenumber" name="1076" href="#1076">1076</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> String(currentTSOAndEpochAsBytes, Charsets.UTF_8); |
| <a class="jxr_linenumber" name="1077" href="#1077">1077</a> } |
| <a class="jxr_linenumber" name="1078" href="#1078">1078</a> |
| <a class="jxr_linenumber" name="1079" href="#1079">1079</a> } |
| </pre> |
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