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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.transaction; |
| <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.Function; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.base.Optional; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.hash.Hashing; |
| <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.Futures; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.util.concurrent.MoreExecutors; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable.CommitTimestamp; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.omid.metrics.Counter; |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.omid.metrics.MetricsRegistry; |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.omid.metrics.Timer; |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.omid.transaction.Transaction.Status; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.AbortException; |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.CellId; |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.ConnectionException; |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.ServiceUnavailableException; |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.TSOProtocol; |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger; |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory; |
| <a class="jxr_linenumber" name="38" href="#38">38</a> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> java.io.IOException; |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutionException; |
| <a class="jxr_linenumber" name="41" href="#41">41</a> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.metrics.MetricsUtils.name; |
| <a class="jxr_linenumber" name="44" href="#44">44</a> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * Omid's base abstract implementation of the {@link TransactionManager} interface.</em> |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * Provides extra methods to allow transaction manager developers to perform</em> |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * different actions before/after the methods exposed by the {@link TransactionManager} interface.</em> |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * So, this abstract class must be extended by particular implementations of</em> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * transaction managers related to different storage systems (HBase...)</em> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/apache/omid/transaction/TransactionManager.html">TransactionManager</a> { |
| <a class="jxr_linenumber" name="55" href="#55">55</a> |
| <a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(AbstractTransactionManager.<strong class="jxr_keyword">class</strong>); |
| <a class="jxr_linenumber" name="57" href="#57">57</a> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> TransactionFactory<T <strong class="jxr_keyword">extends</strong> CellId> { |
| <a class="jxr_linenumber" name="59" href="#59">59</a> |
| <a class="jxr_linenumber" name="60" href="#60">60</a> AbstractTransaction<T> createTransaction(<strong class="jxr_keyword">long</strong> transactionId, <strong class="jxr_keyword">long</strong> epoch, <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> tm); |
| <a class="jxr_linenumber" name="61" href="#61">61</a> |
| <a class="jxr_linenumber" name="62" href="#62">62</a> } |
| <a class="jxr_linenumber" name="63" href="#63">63</a> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/transaction/PostCommitActions.html">PostCommitActions</a> postCommitter; |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/tso/client/TSOProtocol.html">TSOProtocol</a> tsoClient; |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">final</strong> CommitTable.Client commitTableClient; |
| <a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> CommitTable.Writer commitTableWriter; |
| <a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> TransactionFactory<? <strong class="jxr_keyword">extends</strong> CellId> transactionFactory; |
| <a class="jxr_linenumber" name="69" href="#69">69</a> |
| <a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_comment">// Metrics</em> |
| <a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Timer.html">Timer</a> startTimestampTimer; |
| <a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Timer.html">Timer</a> commitTimer; |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Timer.html">Timer</a> fenceTimer; |
| <a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Counter.html">Counter</a> committedTxsCounter; |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Counter.html">Counter</a> rolledbackTxsCounter; |
| <a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Counter.html">Counter</a> errorTxsCounter; |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/metrics/Counter.html">Counter</a> invalidatedTxsCounter; |
| <a class="jxr_linenumber" name="78" href="#78">78</a> |
| <a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * Base constructor</em> |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * @param metrics</em> |
| <a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * instrumentation metrics</em> |
| <a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> * @param postCommitter</em> |
| <a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_javadoccomment"> * post commit action executor</em> |
| <a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * @param tsoClient</em> |
| <a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * a client for accessing functionality of the status oracle</em> |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * @param commitTableClient</em> |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * a client for accessing functionality of the commit table</em> |
| <a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * @param transactionFactory</em> |
| <a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * a transaction factory to create the specific transaction</em> |
| <a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * objects required by the transaction manager being implemented.</em> |
| <a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a>(<a href="../../../../org/apache/omid/metrics/MetricsRegistry.html">MetricsRegistry</a> metrics, |
| <a class="jxr_linenumber" name="95" href="#95">95</a> <a href="../../../../org/apache/omid/transaction/PostCommitActions.html">PostCommitActions</a> postCommitter, |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <a href="../../../../org/apache/omid/tso/client/TSOProtocol.html">TSOProtocol</a> tsoClient, |
| <a class="jxr_linenumber" name="97" href="#97">97</a> CommitTable.Client commitTableClient, |
| <a class="jxr_linenumber" name="98" href="#98">98</a> CommitTable.Writer commitTableWriter, |
| <a class="jxr_linenumber" name="99" href="#99">99</a> TransactionFactory<? <strong class="jxr_keyword">extends</strong> CellId> transactionFactory) { |
| <a class="jxr_linenumber" name="100" href="#100">100</a> |
| <a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">this</strong>.tsoClient = tsoClient; |
| <a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">this</strong>.postCommitter = postCommitter; |
| <a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">this</strong>.commitTableClient = commitTableClient; |
| <a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">this</strong>.commitTableWriter = commitTableWriter; |
| <a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">this</strong>.transactionFactory = transactionFactory; |
| <a class="jxr_linenumber" name="106" href="#106">106</a> |
| <a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_comment">// Metrics configuration</em> |
| <a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">this</strong>.startTimestampTimer = metrics.timer(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"startTimestamp"</span>, <span class="jxr_string">"latency"</span>)); |
| <a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">this</strong>.commitTimer = metrics.timer(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"commit"</span>, <span class="jxr_string">"latency"</span>)); |
| <a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">this</strong>.fenceTimer = metrics.timer(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"fence"</span>, <span class="jxr_string">"latency"</span>)); |
| <a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">this</strong>.committedTxsCounter = metrics.counter(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"committedTxs"</span>)); |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">this</strong>.rolledbackTxsCounter = metrics.counter(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"rolledbackTxs"</span>)); |
| <a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">this</strong>.errorTxsCounter = metrics.counter(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"erroredTxs"</span>)); |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">this</strong>.invalidatedTxsCounter = metrics.counter(name(<span class="jxr_string">"omid"</span>, <span class="jxr_string">"tm"</span>, <span class="jxr_string">"hbase"</span>, <span class="jxr_string">"invalidatedTxs"</span>)); |
| <a class="jxr_linenumber" name="115" href="#115">115</a> |
| <a class="jxr_linenumber" name="116" href="#116">116</a> } |
| <a class="jxr_linenumber" name="117" href="#117">117</a> |
| <a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> * Allows transaction manager developers to perform actions before creating a transaction.</em> |
| <a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * @throws TransactionManagerException in case of any issues</em> |
| <a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> preBegin() <strong class="jxr_keyword">throws</strong> TransactionManagerException {} |
| <a class="jxr_linenumber" name="123" href="#123">123</a> |
| <a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.TransactionManager#begin()</em> |
| <a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="127" href="#127">127</a> @Override |
| <a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> begin() <strong class="jxr_keyword">throws</strong> TransactionException { |
| <a class="jxr_linenumber" name="129" href="#129">129</a> |
| <a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="131" href="#131">131</a> preBegin(); |
| <a class="jxr_linenumber" name="132" href="#132">132</a> |
| <a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">long</strong> startTimestamp, epoch; |
| <a class="jxr_linenumber" name="134" href="#134">134</a> |
| <a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_comment">// The loop is required for HA scenarios where we get the timestamp</em> |
| <a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_comment">// but when getting the epoch, the client is connected to a new TSOServer</em> |
| <a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_comment">// When this happen, the epoch will be larger than the startTimestamp,</em> |
| <a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_comment">// so we need to start the transaction again. We use the fact that epoch</em> |
| <a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_comment">// is always smaller or equal to a timestamp, and therefore, we first need</em> |
| <a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_comment">// to get the timestamp and then the epoch.</em> |
| <a class="jxr_linenumber" name="141" href="#141">141</a> startTimestampTimer.start(); |
| <a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">do</strong> { |
| <a class="jxr_linenumber" name="144" href="#144">144</a> startTimestamp = tsoClient.getNewStartTimestamp().get(); |
| <a class="jxr_linenumber" name="145" href="#145">145</a> epoch = tsoClient.getEpoch(); |
| <a class="jxr_linenumber" name="146" href="#146">146</a> } <strong class="jxr_keyword">while</strong> (epoch > startTimestamp); |
| <a class="jxr_linenumber" name="147" href="#147">147</a> } <strong class="jxr_keyword">finally</strong> { |
| <a class="jxr_linenumber" name="148" href="#148">148</a> startTimestampTimer.stop(); |
| <a class="jxr_linenumber" name="149" href="#149">149</a> } |
| <a class="jxr_linenumber" name="150" href="#150">150</a> |
| <a class="jxr_linenumber" name="151" href="#151">151</a> AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx = transactionFactory.createTransaction(startTimestamp, epoch, <strong class="jxr_keyword">this</strong>); |
| <a class="jxr_linenumber" name="152" href="#152">152</a> |
| <a class="jxr_linenumber" name="153" href="#153">153</a> postBegin(tx); |
| <a class="jxr_linenumber" name="154" href="#154">154</a> |
| <a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">return</strong> tx; |
| <a class="jxr_linenumber" name="156" href="#156">156</a> } <strong class="jxr_keyword">catch</strong> (TransactionManagerException e) { |
| <a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(<span class="jxr_string">"An error has occured during PreBegin/PostBegin"</span>, e); |
| <a class="jxr_linenumber" name="158" href="#158">158</a> } <strong class="jxr_keyword">catch</strong> (ExecutionException e) { |
| <a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(<span class="jxr_string">"Could not get new timestamp"</span>, e); |
| <a class="jxr_linenumber" name="160" href="#160">160</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) { |
| <a class="jxr_linenumber" name="161" href="#161">161</a> Thread.currentThread().interrupt(); |
| <a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(<span class="jxr_string">"Interrupted getting timestamp"</span>, ie); |
| <a class="jxr_linenumber" name="163" href="#163">163</a> } |
| <a class="jxr_linenumber" name="164" href="#164">164</a> } |
| <a class="jxr_linenumber" name="165" href="#165">165</a> |
| <a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment"> * Generates hash ID for table name, this hash is later-on sent to the TSO and used for fencing</em> |
| <a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment"> * @param tableName - the table name</em> |
| <a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * @return</em> |
| <a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getHashForTable(byte[] tableName); |
| <a class="jxr_linenumber" name="172" href="#172">172</a> |
| <a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * Return the commit table client</em> |
| <a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * @return commitTableClient</em> |
| <a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">public</strong> CommitTable.Client getCommitTableClient() { |
| <a class="jxr_linenumber" name="178" href="#178">178</a> <strong class="jxr_keyword">return</strong> commitTableClient; |
| <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> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.TransactionManager#fence(byte[])</em> |
| <a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="184" href="#184">184</a> @Override |
| <a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> fence(byte[] tableName) <strong class="jxr_keyword">throws</strong> TransactionException { |
| <a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">long</strong> fenceTimestamp; |
| <a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">long</strong> tableID = getHashForTable(tableName); Hashing.murmur3_128().newHasher().putBytes(tableName).hash().asLong(); |
| <a class="jxr_linenumber" name="188" href="#188">188</a> |
| <a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="190" href="#190">190</a> fenceTimer.start(); |
| <a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="192" href="#192">192</a> fenceTimestamp = tsoClient.getFence(tableID).get(); |
| <a class="jxr_linenumber" name="193" href="#193">193</a> } <strong class="jxr_keyword">finally</strong> { |
| <a class="jxr_linenumber" name="194" href="#194">194</a> fenceTimer.stop(); |
| <a class="jxr_linenumber" name="195" href="#195">195</a> } |
| <a class="jxr_linenumber" name="196" href="#196">196</a> |
| <a class="jxr_linenumber" name="197" href="#197">197</a> AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx = transactionFactory.createTransaction(fenceTimestamp, fenceTimestamp, <strong class="jxr_keyword">this</strong>); |
| <a class="jxr_linenumber" name="198" href="#198">198</a> |
| <a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">return</strong> tx; |
| <a class="jxr_linenumber" name="200" href="#200">200</a> } <strong class="jxr_keyword">catch</strong> (ExecutionException e) { |
| <a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(<span class="jxr_string">"Could not get fence"</span>, e); |
| <a class="jxr_linenumber" name="202" href="#202">202</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) { |
| <a class="jxr_linenumber" name="203" href="#203">203</a> Thread.currentThread().interrupt(); |
| <a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(<span class="jxr_string">"Interrupted creating a fence"</span>, ie); |
| <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> |
| <a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment"> * Allows transaction manager developers to perform actions after having started a transaction.</em> |
| <a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment"> * @param transaction</em> |
| <a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment"> * the transaction that was just created.</em> |
| <a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * @throws TransactionManagerException in case of any issues</em> |
| <a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> postBegin(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> transaction) <strong class="jxr_keyword">throws</strong> TransactionManagerException {} |
| <a class="jxr_linenumber" name="215" href="#215">215</a> |
| <a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment"> * Allows transaction manager developers to perform actions before committing a transaction.</em> |
| <a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment"> * @param transaction</em> |
| <a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment"> * the transaction that is going to be committed.</em> |
| <a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment"> * @throws TransactionManagerException in case of any issues</em> |
| <a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> preCommit(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> transaction) <strong class="jxr_keyword">throws</strong> TransactionManagerException {} |
| <a class="jxr_linenumber" name="223" href="#223">223</a> |
| <a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.TransactionManager#commit(Transaction)</em> |
| <a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="227" href="#227">227</a> @Override |
| <a class="jxr_linenumber" name="228" href="#228">228</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> commit(<a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> transaction) <strong class="jxr_keyword">throws</strong> RollbackException, TransactionException { |
| <a class="jxr_linenumber" name="229" href="#229">229</a> |
| <a class="jxr_linenumber" name="230" href="#230">230</a> AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx = enforceAbstractTransactionAsParam(transaction); |
| <a class="jxr_linenumber" name="231" href="#231">231</a> enforceTransactionIsInRunningState(tx); |
| <a class="jxr_linenumber" name="232" href="#232">232</a> |
| <a class="jxr_linenumber" name="233" href="#233">233</a> <strong class="jxr_keyword">if</strong> (tx.isRollbackOnly()) { <em class="jxr_comment">// Manage explicit user rollback</em> |
| <a class="jxr_linenumber" name="234" href="#234">234</a> rollback(tx); |
| <a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx + <span class="jxr_string">": Tx was set to rollback explicitly"</span>); |
| <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> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="239" href="#239">239</a> |
| <a class="jxr_linenumber" name="240" href="#240">240</a> preCommit(tx); |
| <a class="jxr_linenumber" name="241" href="#241">241</a> |
| <a class="jxr_linenumber" name="242" href="#242">242</a> commitTimer.start(); |
| <a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">if</strong> (tx.getWriteSet().isEmpty() && tx.getConflictFreeWriteSet().isEmpty()) { |
| <a class="jxr_linenumber" name="245" href="#245">245</a> markReadOnlyTransaction(tx); <em class="jxr_comment">// No need for read-only transactions to contact the TSO Server</em> |
| <a class="jxr_linenumber" name="246" href="#246">246</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">if</strong> (tsoClient.isLowLatency()) |
| <a class="jxr_linenumber" name="248" href="#248">248</a> commitLowLatencyTransaction(tx); |
| <a class="jxr_linenumber" name="249" href="#249">249</a> <strong class="jxr_keyword">else</strong> |
| <a class="jxr_linenumber" name="250" href="#250">250</a> commitRegularTransaction(tx); |
| <a class="jxr_linenumber" name="251" href="#251">251</a> } |
| <a class="jxr_linenumber" name="252" href="#252">252</a> committedTxsCounter.inc(); |
| <a class="jxr_linenumber" name="253" href="#253">253</a> } <strong class="jxr_keyword">finally</strong> { |
| <a class="jxr_linenumber" name="254" href="#254">254</a> commitTimer.stop(); |
| <a class="jxr_linenumber" name="255" href="#255">255</a> } |
| <a class="jxr_linenumber" name="256" href="#256">256</a> |
| <a class="jxr_linenumber" name="257" href="#257">257</a> postCommit(tx); |
| <a class="jxr_linenumber" name="258" href="#258">258</a> |
| <a class="jxr_linenumber" name="259" href="#259">259</a> } <strong class="jxr_keyword">catch</strong> (TransactionManagerException e) { |
| <a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(e.getMessage(), e); |
| <a class="jxr_linenumber" name="261" href="#261">261</a> } |
| <a class="jxr_linenumber" name="262" href="#262">262</a> |
| <a class="jxr_linenumber" name="263" href="#263">263</a> } |
| <a class="jxr_linenumber" name="264" href="#264">264</a> |
| <a class="jxr_linenumber" name="265" href="#265">265</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="266" href="#266">266</a> <em class="jxr_javadoccomment"> * Allows transaction manager developers to perform actions after committing a transaction.</em> |
| <a class="jxr_linenumber" name="267" href="#267">267</a> <em class="jxr_javadoccomment"> * @param transaction</em> |
| <a class="jxr_linenumber" name="268" href="#268">268</a> <em class="jxr_javadoccomment"> * the transaction that was committed.</em> |
| <a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment"> * @throws TransactionManagerException in case of any issues</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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> postCommit(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> transaction) <strong class="jxr_keyword">throws</strong> TransactionManagerException {} |
| <a class="jxr_linenumber" name="272" href="#272">272</a> |
| <a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment"> * Allows transaction manager developers to perform actions before rolling-back a transaction.</em> |
| <a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment"> * @param transaction the transaction that is going to be rolled-back.</em> |
| <a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment"> * @throws TransactionManagerException in case of any issues</em> |
| <a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> preRollback(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> transaction) <strong class="jxr_keyword">throws</strong> TransactionManagerException {} |
| <a class="jxr_linenumber" name="279" href="#279">279</a> |
| <a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.TransactionManager#rollback(Transaction)</em> |
| <a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="283" href="#283">283</a> @Override |
| <a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> rollback(<a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> transaction) <strong class="jxr_keyword">throws</strong> TransactionException { |
| <a class="jxr_linenumber" name="285" href="#285">285</a> |
| <a class="jxr_linenumber" name="286" href="#286">286</a> AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx = enforceAbstractTransactionAsParam(transaction); |
| <a class="jxr_linenumber" name="287" href="#287">287</a> enforceTransactionIsInRunningState(tx); |
| <a class="jxr_linenumber" name="288" href="#288">288</a> |
| <a class="jxr_linenumber" name="289" href="#289">289</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="290" href="#290">290</a> |
| <a class="jxr_linenumber" name="291" href="#291">291</a> preRollback(tx); |
| <a class="jxr_linenumber" name="292" href="#292">292</a> |
| <a class="jxr_linenumber" name="293" href="#293">293</a> <em class="jxr_comment">// Make sure its commit timestamp is 0, so the cleanup does the right job</em> |
| <a class="jxr_linenumber" name="294" href="#294">294</a> tx.setCommitTimestamp(0); |
| <a class="jxr_linenumber" name="295" href="#295">295</a> tx.setStatus(Status.ROLLEDBACK); |
| <a class="jxr_linenumber" name="296" href="#296">296</a> |
| <a class="jxr_linenumber" name="297" href="#297">297</a> postRollback(tx); |
| <a class="jxr_linenumber" name="298" href="#298">298</a> |
| <a class="jxr_linenumber" name="299" href="#299">299</a> } <strong class="jxr_keyword">catch</strong> (TransactionManagerException e) { |
| <a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(e.getMessage(), e); |
| <a class="jxr_linenumber" name="301" href="#301">301</a> } <strong class="jxr_keyword">finally</strong> { |
| <a class="jxr_linenumber" name="302" href="#302">302</a> tx.cleanup(); |
| <a class="jxr_linenumber" name="303" href="#303">303</a> } |
| <a class="jxr_linenumber" name="304" href="#304">304</a> |
| <a class="jxr_linenumber" name="305" href="#305">305</a> } |
| <a class="jxr_linenumber" name="306" href="#306">306</a> |
| <a class="jxr_linenumber" name="307" href="#307">307</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="308" href="#308">308</a> <em class="jxr_javadoccomment"> * Allows transaction manager developers to perform actions after rolling-back a transaction.</em> |
| <a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * @param transaction</em> |
| <a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment"> * the transaction that was rolled-back.</em> |
| <a class="jxr_linenumber" name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * @throws TransactionManagerException in case of any issues</em> |
| <a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> postRollback(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> transaction) <strong class="jxr_keyword">throws</strong> TransactionManagerException {} |
| <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> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> closeResources() <strong class="jxr_keyword">throws</strong> IOException; |
| <a class="jxr_linenumber" name="317" href="#317">317</a> |
| <a class="jxr_linenumber" name="318" href="#318">318</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment"> * @see java.io.Closeable#close()</em> |
| <a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="321" href="#321">321</a> @Override |
| <a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException { |
| <a class="jxr_linenumber" name="323" href="#323">323</a> tsoClient.close(); |
| <a class="jxr_linenumber" name="324" href="#324">324</a> closeResources(); |
| <a class="jxr_linenumber" name="325" href="#325">325</a> } |
| <a class="jxr_linenumber" name="326" href="#326">326</a> |
| <a class="jxr_linenumber" name="327" href="#327">327</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_comment">// Helper methods</em> |
| <a class="jxr_linenumber" name="329" href="#329">329</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em> |
| <a class="jxr_linenumber" name="330" href="#330">330</a> |
| <a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> enforceTransactionIsInRunningState(<a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> transaction) { |
| <a class="jxr_linenumber" name="332" href="#332">332</a> |
| <a class="jxr_linenumber" name="333" href="#333">333</a> <strong class="jxr_keyword">if</strong> (transaction.getStatus() != Status.RUNNING) { |
| <a class="jxr_linenumber" name="334" href="#334">334</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(<span class="jxr_string">"Transaction was already "</span> + transaction.getStatus()); |
| <a class="jxr_linenumber" name="335" href="#335">335</a> } |
| <a class="jxr_linenumber" name="336" href="#336">336</a> |
| <a class="jxr_linenumber" name="337" href="#337">337</a> } |
| <a class="jxr_linenumber" name="338" href="#338">338</a> |
| <a class="jxr_linenumber" name="339" href="#339">339</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>) |
| <a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_comment">// NOTE: We are sure that tx is not parametrized</em> |
| <a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">private</strong> AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> enforceAbstractTransactionAsParam(<a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> tx) { |
| <a class="jxr_linenumber" name="342" href="#342">342</a> |
| <a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">if</strong> (tx instanceof AbstractTransaction) { |
| <a class="jxr_linenumber" name="344" href="#344">344</a> <strong class="jxr_keyword">return</strong> (AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId>) tx; |
| <a class="jxr_linenumber" name="345" href="#345">345</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( |
| <a class="jxr_linenumber" name="347" href="#347">347</a> <span class="jxr_string">"The transaction object passed is not an instance of AbstractTransaction"</span>); |
| <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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> markReadOnlyTransaction(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> readOnlyTx) { |
| <a class="jxr_linenumber" name="353" href="#353">353</a> |
| <a class="jxr_linenumber" name="354" href="#354">354</a> readOnlyTx.setStatus(Status.COMMITTED_RO); |
| <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> |
| <a class="jxr_linenumber" name="358" href="#358">358</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> commitLowLatencyTransaction(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx) |
| <a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">throws</strong> RollbackException, <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a> { |
| <a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="361" href="#361">361</a> |
| <a class="jxr_linenumber" name="362" href="#362">362</a> <strong class="jxr_keyword">long</strong> commitTs = tsoClient.commit(tx.getStartTimestamp(), tx.getWriteSet(), tx.getConflictFreeWriteSet()).get(); |
| <a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">boolean</strong> committed = commitTableWriter.atomicAddCommittedTransaction(tx.getStartTimestamp(),commitTs); |
| <a class="jxr_linenumber" name="364" href="#364">364</a> <strong class="jxr_keyword">if</strong> (!committed) { |
| <a class="jxr_linenumber" name="365" href="#365">365</a> <em class="jxr_comment">// Transaction has been invalidated by other client</em> |
| <a class="jxr_linenumber" name="366" href="#366">366</a> rollback(tx); |
| <a class="jxr_linenumber" name="367" href="#367">367</a> commitTableClient.deleteCommitEntry(tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="368" href="#368">368</a> rolledbackTxsCounter.inc(); |
| <a class="jxr_linenumber" name="369" href="#369">369</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(<span class="jxr_string">"Transaction "</span> + tx.getTransactionId() + <span class="jxr_string">" got invalidated"</span>); |
| <a class="jxr_linenumber" name="370" href="#370">370</a> } |
| <a class="jxr_linenumber" name="371" href="#371">371</a> certifyCommitForTx(tx, commitTs); |
| <a class="jxr_linenumber" name="372" href="#372">372</a> updateShadowCellsAndRemoveCommitTableEntry(tx, postCommitter); |
| <a class="jxr_linenumber" name="373" href="#373">373</a> |
| <a class="jxr_linenumber" name="374" href="#374">374</a> } <strong class="jxr_keyword">catch</strong> (ExecutionException e) { |
| <a class="jxr_linenumber" name="375" href="#375">375</a> <strong class="jxr_keyword">if</strong> (e.getCause() instanceof AbortException) { <em class="jxr_comment">// TSO reports Tx conflicts as AbortExceptions in the future</em> |
| <a class="jxr_linenumber" name="376" href="#376">376</a> rollback(tx); |
| <a class="jxr_linenumber" name="377" href="#377">377</a> rolledbackTxsCounter.inc(); |
| <a class="jxr_linenumber" name="378" href="#378">378</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx.getStartTimestamp() + <span class="jxr_string">": Conflicts detected in writeset"</span>, e.getCause()); |
| <a class="jxr_linenumber" name="379" href="#379">379</a> } |
| <a class="jxr_linenumber" name="380" href="#380">380</a> |
| <a class="jxr_linenumber" name="381" href="#381">381</a> <strong class="jxr_keyword">if</strong> (e.getCause() instanceof ServiceUnavailableException || e.getCause() instanceof ConnectionException) { |
| <a class="jxr_linenumber" name="382" href="#382">382</a> errorTxsCounter.inc(); |
| <a class="jxr_linenumber" name="383" href="#383">383</a> rollback(tx); <em class="jxr_comment">// Rollback proactively cause it's likely that a new TSOServer is now master</em> |
| <a class="jxr_linenumber" name="384" href="#384">384</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx.getStartTimestamp() + <span class="jxr_string">" rolled-back precautionary"</span>, e.getCause()); |
| <a class="jxr_linenumber" name="385" href="#385">385</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx.getStartTimestamp() + <span class="jxr_string">": cannot determine Tx outcome"</span>, e.getCause()); |
| <a class="jxr_linenumber" name="387" href="#387">387</a> } |
| <a class="jxr_linenumber" name="388" href="#388">388</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) { |
| <a class="jxr_linenumber" name="389" href="#389">389</a> e.printStackTrace(); |
| <a class="jxr_linenumber" name="390" href="#390">390</a> } <strong class="jxr_keyword">catch</strong> (IOException e) { |
| <a class="jxr_linenumber" name="391" href="#391">391</a> e.printStackTrace(); |
| <a class="jxr_linenumber" name="392" href="#392">392</a> } |
| <a class="jxr_linenumber" name="393" href="#393">393</a> } |
| <a class="jxr_linenumber" name="394" href="#394">394</a> |
| <a class="jxr_linenumber" name="395" href="#395">395</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> commitRegularTransaction(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx) |
| <a class="jxr_linenumber" name="396" href="#396">396</a> <strong class="jxr_keyword">throws</strong> RollbackException, <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a> |
| <a class="jxr_linenumber" name="397" href="#397">397</a> { |
| <a class="jxr_linenumber" name="398" href="#398">398</a> |
| <a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="400" href="#400">400</a> |
| <a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">long</strong> commitTs = tsoClient.commit(tx.getStartTimestamp(), tx.getWriteSet(), tx.getConflictFreeWriteSet()).get(); |
| <a class="jxr_linenumber" name="402" href="#402">402</a> certifyCommitForTx(tx, commitTs); |
| <a class="jxr_linenumber" name="403" href="#403">403</a> updateShadowCellsAndRemoveCommitTableEntry(tx, postCommitter); |
| <a class="jxr_linenumber" name="404" href="#404">404</a> |
| <a class="jxr_linenumber" name="405" href="#405">405</a> } <strong class="jxr_keyword">catch</strong> (ExecutionException e) { |
| <a class="jxr_linenumber" name="406" href="#406">406</a> |
| <a class="jxr_linenumber" name="407" href="#407">407</a> <strong class="jxr_keyword">if</strong> (e.getCause() instanceof AbortException) { <em class="jxr_comment">// TSO reports Tx conflicts as AbortExceptions in the future</em> |
| <a class="jxr_linenumber" name="408" href="#408">408</a> rollback(tx); |
| <a class="jxr_linenumber" name="409" href="#409">409</a> rolledbackTxsCounter.inc(); |
| <a class="jxr_linenumber" name="410" href="#410">410</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx.getStartTimestamp() + <span class="jxr_string">": Conflicts detected in writeset"</span>, e.getCause()); |
| <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> <strong class="jxr_keyword">if</strong> (e.getCause() instanceof ServiceUnavailableException || e.getCause() instanceof ConnectionException) { |
| <a class="jxr_linenumber" name="414" href="#414">414</a> |
| <a class="jxr_linenumber" name="415" href="#415">415</a> errorTxsCounter.inc(); |
| <a class="jxr_linenumber" name="416" href="#416">416</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="417" href="#417">417</a> LOG.warn(<span class="jxr_string">"Can't contact the TSO for receiving outcome for Tx {}. Checking Commit Table..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="418" href="#418">418</a> <em class="jxr_comment">// Check the commit table to find if the target TSO woke up in the meantime and added the commit</em> |
| <a class="jxr_linenumber" name="419" href="#419">419</a> <em class="jxr_comment">// TODO: Decide what we should we do if we can not contact the commit table</em> |
| <a class="jxr_linenumber" name="420" href="#420">420</a> Optional<CommitTimestamp> commitTimestamp = |
| <a class="jxr_linenumber" name="421" href="#421">421</a> commitTableClient.getCommitTimestamp(tx.getStartTimestamp()).get(); |
| <a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">if</strong> (commitTimestamp.isPresent()) { |
| <a class="jxr_linenumber" name="423" href="#423">423</a> <strong class="jxr_keyword">if</strong> (commitTimestamp.get().isValid()) { |
| <a class="jxr_linenumber" name="424" href="#424">424</a> LOG.warn(<span class="jxr_string">"{}: Valid commit TS found in Commit Table. Committing Tx..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="425" href="#425">425</a> certifyCommitForTx(tx, commitTimestamp.get().getValue()); |
| <a class="jxr_linenumber" name="426" href="#426">426</a> postCommitter.updateShadowCells(tx); <em class="jxr_comment">// But do NOT remove transaction from commit table</em> |
| <a class="jxr_linenumber" name="427" href="#427">427</a> } <strong class="jxr_keyword">else</strong> { <em class="jxr_comment">// Probably another Tx in a new TSO Server invalidated this transaction</em> |
| <a class="jxr_linenumber" name="428" href="#428">428</a> LOG.warn(<span class="jxr_string">"{}: Invalidated commit TS found in Commit Table. Rolling-back..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="429" href="#429">429</a> rollback(tx); |
| <a class="jxr_linenumber" name="430" href="#430">430</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx.getStartTimestamp() + <span class="jxr_string">" invalidated by other Tx started"</span>, e.getCause()); |
| <a class="jxr_linenumber" name="431" href="#431">431</a> } |
| <a class="jxr_linenumber" name="432" href="#432">432</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="433" href="#433">433</a> LOG.warn(<span class="jxr_string">"{}: Trying to invalidate Tx proactively in Commit Table..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="434" href="#434">434</a> <strong class="jxr_keyword">boolean</strong> invalidated = commitTableClient.tryInvalidateTransaction(tx.getStartTimestamp()).get(); |
| <a class="jxr_linenumber" name="435" href="#435">435</a> <strong class="jxr_keyword">if</strong> (invalidated) { |
| <a class="jxr_linenumber" name="436" href="#436">436</a> LOG.warn(<span class="jxr_string">"{}: Invalidated proactively in Commit Table. Rolling-back Tx..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="437" href="#437">437</a> invalidatedTxsCounter.inc(); |
| <a class="jxr_linenumber" name="438" href="#438">438</a> rollback(tx); <em class="jxr_comment">// Rollback proactively cause it's likely that a new TSOServer is now master</em> |
| <a class="jxr_linenumber" name="439" href="#439">439</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/RollbackException.html">RollbackException</a>(tx.getStartTimestamp() + <span class="jxr_string">" rolled-back precautionary"</span>, e.getCause()); |
| <a class="jxr_linenumber" name="440" href="#440">440</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="441" href="#441">441</a> LOG.warn(<span class="jxr_string">"{}: Invalidation could NOT be completed. Re-checking Commit Table..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="442" href="#442">442</a> <em class="jxr_comment">// TODO: Decide what we should we do if we can not contact the commit table</em> |
| <a class="jxr_linenumber" name="443" href="#443">443</a> commitTimestamp = commitTableClient.getCommitTimestamp(tx.getStartTimestamp()).get(); |
| <a class="jxr_linenumber" name="444" href="#444">444</a> <strong class="jxr_keyword">if</strong> (commitTimestamp.isPresent() && commitTimestamp.get().isValid()) { |
| <a class="jxr_linenumber" name="445" href="#445">445</a> LOG.warn(<span class="jxr_string">"{}: Valid commit TS found in Commit Table. Committing Tx..."</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="446" href="#446">446</a> certifyCommitForTx(tx, commitTimestamp.get().getValue()); |
| <a class="jxr_linenumber" name="447" href="#447">447</a> postCommitter.updateShadowCells(tx); <em class="jxr_comment">// But do NOT remove transaction from commit table</em> |
| <a class="jxr_linenumber" name="448" href="#448">448</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="449" href="#449">449</a> LOG.error(<span class="jxr_string">"{}: Can't determine Transaction outcome"</span>, tx.getStartTimestamp()); |
| <a class="jxr_linenumber" name="450" href="#450">450</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx.getStartTimestamp() + <span class="jxr_string">": cannot determine Tx outcome"</span>); |
| <a class="jxr_linenumber" name="451" href="#451">451</a> } |
| <a class="jxr_linenumber" name="452" href="#452">452</a> } |
| <a class="jxr_linenumber" name="453" href="#453">453</a> } |
| <a class="jxr_linenumber" name="454" href="#454">454</a> } <strong class="jxr_keyword">catch</strong> (ExecutionException e1) { |
| <a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx.getStartTimestamp() + <span class="jxr_string">": problem reading commitTS from Commit Table"</span>, e1); |
| <a class="jxr_linenumber" name="456" href="#456">456</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e1) { |
| <a class="jxr_linenumber" name="457" href="#457">457</a> Thread.currentThread().interrupt(); |
| <a class="jxr_linenumber" name="458" href="#458">458</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx.getStartTimestamp() + <span class="jxr_string">": interrupted while reading commitTS from Commit Table"</span>, e1); |
| <a class="jxr_linenumber" name="459" href="#459">459</a> } |
| <a class="jxr_linenumber" name="460" href="#460">460</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="461" href="#461">461</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx.getStartTimestamp() + <span class="jxr_string">": cannot determine Tx outcome"</span>, e.getCause()); |
| <a class="jxr_linenumber" name="462" href="#462">462</a> } |
| <a class="jxr_linenumber" name="463" href="#463">463</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) { |
| <a class="jxr_linenumber" name="464" href="#464">464</a> Thread.currentThread().interrupt(); |
| <a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/TransactionException.html">TransactionException</a>(tx.getStartTimestamp() + <span class="jxr_string">": interrupted during commit"</span>, ie); |
| <a class="jxr_linenumber" name="466" href="#466">466</a> |
| <a class="jxr_linenumber" name="467" href="#467">467</a> } |
| <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> |
| <a class="jxr_linenumber" name="471" href="#471">471</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> updateShadowCellsAndRemoveCommitTableEntry(<strong class="jxr_keyword">final</strong> AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> tx, |
| <a class="jxr_linenumber" name="472" href="#472">472</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/transaction/PostCommitActions.html">PostCommitActions</a> postCommitter) { |
| <a class="jxr_linenumber" name="473" href="#473">473</a> |
| <a class="jxr_linenumber" name="474" href="#474">474</a> Futures.transform(postCommitter.updateShadowCells(tx), <strong class="jxr_keyword">new</strong> Function<Void, Void>() { |
| <a class="jxr_linenumber" name="475" href="#475">475</a> @Override |
| <a class="jxr_linenumber" name="476" href="#476">476</a> <strong class="jxr_keyword">public</strong> Void apply(Void aVoid) { |
| <a class="jxr_linenumber" name="477" href="#477">477</a> postCommitter.removeCommitTableEntry(tx); |
| <a class="jxr_linenumber" name="478" href="#478">478</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="479" href="#479">479</a> } |
| <a class="jxr_linenumber" name="480" href="#480">480</a> }, MoreExecutors.directExecutor()); |
| <a class="jxr_linenumber" name="481" href="#481">481</a> |
| <a class="jxr_linenumber" name="482" href="#482">482</a> } |
| <a class="jxr_linenumber" name="483" href="#483">483</a> |
| <a class="jxr_linenumber" name="484" href="#484">484</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> certifyCommitForTx(AbstractTransaction<? <strong class="jxr_keyword">extends</strong> CellId> txToSetup, <strong class="jxr_keyword">long</strong> commitTS) { |
| <a class="jxr_linenumber" name="485" href="#485">485</a> |
| <a class="jxr_linenumber" name="486" href="#486">486</a> txToSetup.setStatus(Status.COMMITTED); |
| <a class="jxr_linenumber" name="487" href="#487">487</a> txToSetup.setCommitTimestamp(commitTS); |
| <a class="jxr_linenumber" name="488" href="#488">488</a> |
| <a class="jxr_linenumber" name="489" href="#489">489</a> } |
| <a class="jxr_linenumber" name="490" href="#490">490</a> |
| <a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLowLatency() { |
| <a class="jxr_linenumber" name="492" href="#492">492</a> <strong class="jxr_keyword">return</strong> tsoClient.isLowLatency(); |
| <a class="jxr_linenumber" name="493" href="#493">493</a> } |
| <a class="jxr_linenumber" name="494" href="#494">494</a> } |
| </pre> |
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