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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;
<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.MoreObjects;
<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.base.Preconditions;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.commons.pool2.BasePooledObjectFactory;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.commons.pool2.PooledObject;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.commons.pool2.impl.DefaultPooledObject;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
<a class="jxr_linenumber" name="29" href="#29">29</a>
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.Arrays;
<a class="jxr_linenumber" name="31" href="#31">31</a>
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/Batch.html">Batch</a> {
<a class="jxr_linenumber" name="33" href="#33">33</a>
<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(Batch.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="35" href="#35">35</a>
<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> id;
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size;
<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> numEvents;
<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a>[] events; <em class="jxr_comment">// TODO Check if it's worth to have a dynamic structure for this</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>
<a class="jxr_linenumber" name="41" href="#41">41</a> <a href="../../../../org/apache/omid/tso/Batch.html">Batch</a>(<strong class="jxr_keyword">int</strong> id, <strong class="jxr_keyword">int</strong> size) {
<a class="jxr_linenumber" name="42" href="#42">42</a>
<a class="jxr_linenumber" name="43" href="#43">43</a> Preconditions.checkArgument(size &gt; 0, <span class="jxr_string">"Size [%s] must be positive"</span>, size);
<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">this</strong>.size = size;
<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">this</strong>.id = id;
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">this</strong>.numEvents = 0;
<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">this</strong>.events = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a>[size];
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; size; i++) {
<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">this</strong>.events[i] = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a>();
<a class="jxr_linenumber" name="50" href="#50">50</a> }
<a class="jxr_linenumber" name="51" href="#51">51</a> LOG.info(<span class="jxr_string">"Batch id {} created with size {}"</span>, id, size);
<a class="jxr_linenumber" name="52" href="#52">52</a>
<a class="jxr_linenumber" name="53" href="#53">53</a> }
<a class="jxr_linenumber" name="54" href="#54">54</a>
<a class="jxr_linenumber" name="55" href="#55">55</a> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> get(<strong class="jxr_keyword">int</strong> idx) {
<a class="jxr_linenumber" name="56" href="#56">56</a> Preconditions.checkState(numEvents &gt; 0 &amp;&amp; 0 &lt;= idx &amp;&amp; idx &lt; numEvents,
<a class="jxr_linenumber" name="57" href="#57">57</a> <span class="jxr_string">"Accessing Events array (Size = %s) with wrong index [%s]"</span>, numEvents, idx);
<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">return</strong> events[idx];
<a class="jxr_linenumber" name="59" href="#59">59</a> }
<a class="jxr_linenumber" name="60" href="#60">60</a>
<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">void</strong> set(<strong class="jxr_keyword">int</strong> idx, <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> event) {
<a class="jxr_linenumber" name="62" href="#62">62</a> Preconditions.checkState(0 &lt;= idx &amp;&amp; idx &lt; numEvents);
<a class="jxr_linenumber" name="63" href="#63">63</a> events[idx] = event;
<a class="jxr_linenumber" name="64" href="#64">64</a> }
<a class="jxr_linenumber" name="65" href="#65">65</a>
<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">void</strong> clear() {
<a class="jxr_linenumber" name="67" href="#67">67</a>
<a class="jxr_linenumber" name="68" href="#68">68</a> numEvents = 0;
<a class="jxr_linenumber" name="69" href="#69">69</a>
<a class="jxr_linenumber" name="70" href="#70">70</a> }
<a class="jxr_linenumber" name="71" href="#71">71</a>
<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">void</strong> decreaseNumEvents() {
<a class="jxr_linenumber" name="73" href="#73">73</a> numEvents--;
<a class="jxr_linenumber" name="74" href="#74">74</a> }
<a class="jxr_linenumber" name="75" href="#75">75</a>
<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">int</strong> getNumEvents() {
<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">return</strong> numEvents;
<a class="jxr_linenumber" name="78" href="#78">78</a> }
<a class="jxr_linenumber" name="79" href="#79">79</a>
<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">int</strong> getLastEventIdx() {
<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">return</strong> numEvents - 1;
<a class="jxr_linenumber" name="82" href="#82">82</a> }
<a class="jxr_linenumber" name="83" href="#83">83</a>
<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">boolean</strong> isFull() {
<a class="jxr_linenumber" name="85" href="#85">85</a>
<a class="jxr_linenumber" name="86" href="#86">86</a> Preconditions.checkState(numEvents &lt;= size, <span class="jxr_string">"Batch Full: numEvents [%s] &gt; size [%s]"</span>, numEvents, size);
<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">return</strong> numEvents == size;
<a class="jxr_linenumber" name="88" href="#88">88</a>
<a class="jxr_linenumber" name="89" href="#89">89</a> }
<a class="jxr_linenumber" name="90" href="#90">90</a>
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">boolean</strong> isEmpty() {
<a class="jxr_linenumber" name="92" href="#92">92</a>
<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">return</strong> numEvents == 0;
<a class="jxr_linenumber" name="94" href="#94">94</a>
<a class="jxr_linenumber" name="95" href="#95">95</a> }
<a class="jxr_linenumber" name="96" href="#96">96</a>
<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">void</strong> addTimestamp(<strong class="jxr_keyword">long</strong> startTimestamp, Channel c, <a href="../../../../org/apache/omid/tso/MonitoringContext.html">MonitoringContext</a> context) {
<a class="jxr_linenumber" name="98" href="#98">98</a>
<a class="jxr_linenumber" name="99" href="#99">99</a> Preconditions.checkState(!isFull(), <span class="jxr_string">"batch is full"</span>);
<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">int</strong> index = numEvents++;
<a class="jxr_linenumber" name="101" href="#101">101</a> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> e = events[index];
<a class="jxr_linenumber" name="102" href="#102">102</a> context.timerStart(<span class="jxr_string">"persistence.processor.timestamp.latency"</span>);
<a class="jxr_linenumber" name="103" href="#103">103</a> e.makePersistTimestamp(startTimestamp, c, context);
<a class="jxr_linenumber" name="104" href="#104">104</a>
<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> <strong class="jxr_keyword">void</strong> addFence(<strong class="jxr_keyword">long</strong> tableID, <strong class="jxr_keyword">long</strong> fenceTimestamp, Channel c, <a href="../../../../org/apache/omid/tso/MonitoringContext.html">MonitoringContext</a> context) {
<a class="jxr_linenumber" name="108" href="#108">108</a>
<a class="jxr_linenumber" name="109" href="#109">109</a> Preconditions.checkState(!isFull(), <span class="jxr_string">"batch is full"</span>);
<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">int</strong> index = numEvents++;
<a class="jxr_linenumber" name="111" href="#111">111</a> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> e = events[index];
<a class="jxr_linenumber" name="112" href="#112">112</a> context.timerStart(<span class="jxr_string">"persistence.processor.fence.latency"</span>);
<a class="jxr_linenumber" name="113" href="#113">113</a> e.makePersistFence(tableID, fenceTimestamp, c, context);
<a class="jxr_linenumber" name="114" href="#114">114</a>
<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> <strong class="jxr_keyword">void</strong> addCommit(<strong class="jxr_keyword">long</strong> startTimestamp, <strong class="jxr_keyword">long</strong> commitTimestamp, Channel c, <a href="../../../../org/apache/omid/tso/MonitoringContext.html">MonitoringContext</a> context, Optional&lt;Long&gt; newLowWatermark) {
<a class="jxr_linenumber" name="118" href="#118">118</a>
<a class="jxr_linenumber" name="119" href="#119">119</a> Preconditions.checkState(!isFull(), <span class="jxr_string">"batch is full"</span>);
<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">int</strong> index = numEvents++;
<a class="jxr_linenumber" name="121" href="#121">121</a> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> e = events[index];
<a class="jxr_linenumber" name="122" href="#122">122</a> context.timerStart(<span class="jxr_string">"persistence.processor.commit.latency"</span>);
<a class="jxr_linenumber" name="123" href="#123">123</a> e.makePersistCommit(startTimestamp, commitTimestamp, newLowWatermark, c, context);
<a class="jxr_linenumber" name="124" href="#124">124</a>
<a class="jxr_linenumber" name="125" href="#125">125</a> }
<a class="jxr_linenumber" name="126" href="#126">126</a>
<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">void</strong> addCommitRetry(<strong class="jxr_keyword">long</strong> startTimestamp, Channel c, <a href="../../../../org/apache/omid/tso/MonitoringContext.html">MonitoringContext</a> context) {
<a class="jxr_linenumber" name="128" href="#128">128</a>
<a class="jxr_linenumber" name="129" href="#129">129</a> Preconditions.checkState(!isFull(), <span class="jxr_string">"batch is full"</span>);
<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">int</strong> index = numEvents++;
<a class="jxr_linenumber" name="131" href="#131">131</a> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> e = events[index];
<a class="jxr_linenumber" name="132" href="#132">132</a> context.timerStart(<span class="jxr_string">"persistence.processor.commit-retry.latency"</span>);
<a class="jxr_linenumber" name="133" href="#133">133</a> e.makeCommitRetry(startTimestamp, c, context);
<a class="jxr_linenumber" name="134" href="#134">134</a>
<a class="jxr_linenumber" name="135" href="#135">135</a> }
<a class="jxr_linenumber" name="136" href="#136">136</a>
<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">void</strong> addAbort(<strong class="jxr_keyword">long</strong> startTimestamp, Channel c, <a href="../../../../org/apache/omid/tso/MonitoringContext.html">MonitoringContext</a> context) {
<a class="jxr_linenumber" name="138" href="#138">138</a>
<a class="jxr_linenumber" name="139" href="#139">139</a> Preconditions.checkState(!isFull(), <span class="jxr_string">"batch is full"</span>);
<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">int</strong> index = numEvents++;
<a class="jxr_linenumber" name="141" href="#141">141</a> <a href="../../../../org/apache/omid/tso/PersistEvent.html">PersistEvent</a> e = events[index];
<a class="jxr_linenumber" name="142" href="#142">142</a> context.timerStart(<span class="jxr_string">"persistence.processor.abort.latency"</span>);
<a class="jxr_linenumber" name="143" href="#143">143</a> e.makePersistAbort(startTimestamp, c, context);
<a class="jxr_linenumber" name="144" href="#144">144</a>
<a class="jxr_linenumber" name="145" href="#145">145</a> }
<a class="jxr_linenumber" name="146" href="#146">146</a>
<a class="jxr_linenumber" name="147" href="#147">147</a> @Override
<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">return</strong> MoreObjects.toStringHelper(<strong class="jxr_keyword">this</strong>)
<a class="jxr_linenumber" name="150" href="#150">150</a> .add(<span class="jxr_string">"id"</span>, id)
<a class="jxr_linenumber" name="151" href="#151">151</a> .add(<span class="jxr_string">"size"</span>, size)
<a class="jxr_linenumber" name="152" href="#152">152</a> .add(<span class="jxr_string">"num events"</span>, numEvents)
<a class="jxr_linenumber" name="153" href="#153">153</a> .add(<span class="jxr_string">"events"</span>, Arrays.toString(events))
<a class="jxr_linenumber" name="154" href="#154">154</a> .toString();
<a class="jxr_linenumber" name="155" href="#155">155</a> }
<a class="jxr_linenumber" name="156" href="#156">156</a>
<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/Batch.html">BatchFactory</a> <strong class="jxr_keyword">extends</strong> BasePooledObjectFactory&lt;Batch&gt; {
<a class="jxr_linenumber" name="158" href="#158">158</a>
<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> batchId = 0;
<a class="jxr_linenumber" name="160" href="#160">160</a>
<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> batchSize;
<a class="jxr_linenumber" name="162" href="#162">162</a>
<a class="jxr_linenumber" name="163" href="#163">163</a> <a href="../../../../org/apache/omid/tso/Batch.html">BatchFactory</a>(<strong class="jxr_keyword">int</strong> batchSize) {
<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">this</strong>.batchSize = batchSize;
<a class="jxr_linenumber" name="165" href="#165">165</a> }
<a class="jxr_linenumber" name="166" href="#166">166</a>
<a class="jxr_linenumber" name="167" href="#167">167</a> @Override
<a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/tso/Batch.html">Batch</a> create() <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/tso/Batch.html">Batch</a>(batchId++, batchSize);
<a class="jxr_linenumber" name="170" href="#170">170</a> }
<a class="jxr_linenumber" name="171" href="#171">171</a>
<a class="jxr_linenumber" name="172" href="#172">172</a> @Override
<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">public</strong> PooledObject&lt;Batch&gt; wrap(<a href="../../../../org/apache/omid/tso/Batch.html">Batch</a> batch) {
<a class="jxr_linenumber" name="174" href="#174">174</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> DefaultPooledObject&lt;&gt;(batch);
<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> @Override
<a class="jxr_linenumber" name="178" href="#178">178</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> passivateObject(PooledObject&lt;Batch&gt; pooledObject) {
<a class="jxr_linenumber" name="179" href="#179">179</a> pooledObject.getObject().clear(); <em class="jxr_comment">// Reset num events when returning the batch to the pool</em>
<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> }
<a class="jxr_linenumber" name="183" href="#183">183</a>
<a class="jxr_linenumber" name="184" href="#184">184</a> }
</pre>
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