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| <div id="overview"><a href="../../../../../../target/site/apidocs/org/apache/omid/tso/WorldClockOracleImpl.html">View Javadoc</a></div><pre> |
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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.annotations.VisibleForTesting; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.phoenix.thirdparty.com.google.common.util.concurrent.ThreadFactoryBuilder; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.omid.metrics.Gauge; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.omid.metrics.MetricsRegistry; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.omid.timestamp.storage.TimestampStorage; |
| <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> javax.inject.Inject; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> javax.inject.Singleton; |
| <a class="jxr_linenumber" name="32" href="#32">32</a> |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.io.IOException; |
| <a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors; |
| <a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ScheduledExecutorService; |
| <a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit; |
| <a class="jxr_linenumber" name="37" href="#37">37</a> |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.metrics.MetricsUtils.name; |
| <a class="jxr_linenumber" name="39" href="#39">39</a> |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * The Timestamp Oracle that gives monotonically increasing timestamps based on world time</em> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> @Singleton |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/WorldClockOracleImpl.html">WorldClockOracleImpl</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/apache/omid/tso/TimestampOracle.html">TimestampOracle</a> { |
| <a class="jxr_linenumber" name="45" href="#45">45</a> |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(WorldClockOracleImpl.<strong class="jxr_keyword">class</strong>); |
| <a class="jxr_linenumber" name="47" href="#47">47</a> |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> MAX_TX_PER_MS = 1_000_000; <em class="jxr_comment">// 1 million</em> |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> TIMESTAMP_INTERVAL_MS = 10_000; <em class="jxr_comment">// 10 seconds interval</em> |
| <a class="jxr_linenumber" name="50" href="#50">50</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> TIMESTAMP_ALLOCATION_INTERVAL_MS = 7_000; <em class="jxr_comment">// 7 seconds</em> |
| <a class="jxr_linenumber" name="51" href="#51">51</a> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> lastTimestamp; |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> maxTimestamp; |
| <a class="jxr_linenumber" name="54" href="#54">54</a> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/timestamp/storage/TimestampStorage.html">TimestampStorage</a> storage; |
| <a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/tso/Panicker.html">Panicker</a> panicker; |
| <a class="jxr_linenumber" name="57" href="#57">57</a> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">long</strong> maxAllocatedTime; |
| <a class="jxr_linenumber" name="59" href="#59">59</a> |
| <a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ScheduledExecutorService scheduler = |
| <a class="jxr_linenumber" name="61" href="#61">61</a> Executors.newScheduledThreadPool(1, <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"ts-persist-%d"</span>).build()); |
| <a class="jxr_linenumber" name="62" href="#62">62</a> |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">private</strong> Runnable allocateTimestampsBatchTask; |
| <a class="jxr_linenumber" name="64" href="#64">64</a> |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/TimestampOracleImpl.html">AllocateTimestampBatchTask</a> <strong class="jxr_keyword">implements</strong> Runnable { |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">long</strong> previousMaxTime; |
| <a class="jxr_linenumber" name="67" href="#67">67</a> |
| <a class="jxr_linenumber" name="68" href="#68">68</a> <a href="../../../../org/apache/omid/tso/TimestampOracleImpl.html">AllocateTimestampBatchTask</a>(<strong class="jxr_keyword">long</strong> previousMaxTime) { |
| <a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">this</strong>.previousMaxTime = previousMaxTime; |
| <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> @Override |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() { |
| <a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">long</strong> newMaxTime = (System.currentTimeMillis() + TIMESTAMP_INTERVAL_MS) * MAX_TX_PER_MS; |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="76" href="#76">76</a> storage.updateMaxTimestamp(previousMaxTime, newMaxTime); |
| <a class="jxr_linenumber" name="77" href="#77">77</a> maxAllocatedTime = newMaxTime; |
| <a class="jxr_linenumber" name="78" href="#78">78</a> previousMaxTime = newMaxTime; |
| <a class="jxr_linenumber" name="79" href="#79">79</a> } <strong class="jxr_keyword">catch</strong> (Throwable e) { |
| <a class="jxr_linenumber" name="80" href="#80">80</a> panicker.panic(<span class="jxr_string">"Can't store the new max timestamp"</span>, e); |
| <a class="jxr_linenumber" name="81" href="#81">81</a> } |
| <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> |
| <a class="jxr_linenumber" name="85" href="#85">85</a> @Inject |
| <a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/tso/WorldClockOracleImpl.html">WorldClockOracleImpl</a>(<a href="../../../../org/apache/omid/metrics/MetricsRegistry.html">MetricsRegistry</a> metrics, |
| <a class="jxr_linenumber" name="87" href="#87">87</a> <a href="../../../../org/apache/omid/timestamp/storage/TimestampStorage.html">TimestampStorage</a> tsStorage, |
| <a class="jxr_linenumber" name="88" href="#88">88</a> <a href="../../../../org/apache/omid/tso/Panicker.html">Panicker</a> panicker) <strong class="jxr_keyword">throws</strong> IOException { |
| <a class="jxr_linenumber" name="89" href="#89">89</a> |
| <a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">this</strong>.storage = tsStorage; |
| <a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">this</strong>.panicker = panicker; |
| <a class="jxr_linenumber" name="92" href="#92">92</a> |
| <a class="jxr_linenumber" name="93" href="#93">93</a> metrics.gauge(name(<span class="jxr_string">"tso"</span>, <span class="jxr_string">"maxTimestamp"</span>), <strong class="jxr_keyword">new</strong> Gauge<Long>() { |
| <a class="jxr_linenumber" name="94" href="#94">94</a> @Override |
| <a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">public</strong> Long getValue() { |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">return</strong> maxTimestamp; |
| <a class="jxr_linenumber" name="97" href="#97">97</a> } |
| <a class="jxr_linenumber" name="98" href="#98">98</a> }); |
| <a class="jxr_linenumber" name="99" href="#99">99</a> |
| <a class="jxr_linenumber" name="100" href="#100">100</a> } |
| <a class="jxr_linenumber" name="101" href="#101">101</a> |
| <a class="jxr_linenumber" name="102" href="#102">102</a> @Override |
| <a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> initialize() <strong class="jxr_keyword">throws</strong> IOException { |
| <a class="jxr_linenumber" name="104" href="#104">104</a> |
| <a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">this</strong>.lastTimestamp = <strong class="jxr_keyword">this</strong>.maxTimestamp = storage.getMaxTimestamp(); |
| <a class="jxr_linenumber" name="106" href="#106">106</a> |
| <a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">this</strong>.allocateTimestampsBatchTask = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/tso/TimestampOracleImpl.html">AllocateTimestampBatchTask</a>(lastTimestamp); |
| <a class="jxr_linenumber" name="108" href="#108">108</a> |
| <a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_comment">// Trigger first allocation of timestamps</em> |
| <a class="jxr_linenumber" name="110" href="#110">110</a> scheduler.schedule(allocateTimestampsBatchTask, 0, TimeUnit.MILLISECONDS); |
| <a class="jxr_linenumber" name="111" href="#111">111</a> |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_comment">// Waiting for the current epoch to start. Occurs in case of failover when the previous TSO allocated the current time frame.</em> |
| <a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">while</strong> ((System.currentTimeMillis() * MAX_TX_PER_MS) < <strong class="jxr_keyword">this</strong>.lastTimestamp) { |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="115" href="#115">115</a> Thread.sleep(1000); |
| <a class="jxr_linenumber" name="116" href="#116">116</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) { |
| <a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">continue</strong>; |
| <a class="jxr_linenumber" name="118" href="#118">118</a> } |
| <a class="jxr_linenumber" name="119" href="#119">119</a> } |
| <a class="jxr_linenumber" name="120" href="#120">120</a> |
| <a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_comment">// Launch the periodic timestamp interval allocation. In this case, the timestamp interval is extended even though the TSO is idle.</em> |
| <a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_comment">// Because we are world time based, this guarantees that the first request after a long time does not need to wait for new interval allocation.</em> |
| <a class="jxr_linenumber" name="123" href="#123">123</a> scheduler.scheduleAtFixedRate(allocateTimestampsBatchTask, TIMESTAMP_ALLOCATION_INTERVAL_MS, TIMESTAMP_ALLOCATION_INTERVAL_MS, TimeUnit.MILLISECONDS); |
| <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> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> * Returns the next timestamp if available. Otherwise spins till the ts-persist thread allocates a new timestamp.</em> |
| <a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="129" href="#129">129</a> @Override |
| <a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> next() { |
| <a class="jxr_linenumber" name="131" href="#131">131</a> |
| <a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">long</strong> currentMsFirstTimestamp = System.currentTimeMillis() * MAX_TX_PER_MS; |
| <a class="jxr_linenumber" name="133" href="#133">133</a> |
| <a class="jxr_linenumber" name="134" href="#134">134</a> lastTimestamp += CommitTable.MAX_CHECKPOINTS_PER_TXN; |
| <a class="jxr_linenumber" name="135" href="#135">135</a> |
| <a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_comment">// Return the next timestamp in case we are still in the same millisecond as the previous timestamp was. </em> |
| <a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">if</strong> (lastTimestamp >= currentMsFirstTimestamp) { |
| <a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">return</strong> lastTimestamp; |
| <a class="jxr_linenumber" name="139" href="#139">139</a> } |
| <a class="jxr_linenumber" name="140" href="#140">140</a> |
| <a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">if</strong> (currentMsFirstTimestamp >= maxTimestamp) { <em class="jxr_comment">// Intentional race to reduce synchronization overhead in every access to maxTimestamp </em> |
| <a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">while</strong> (maxAllocatedTime <= currentMsFirstTimestamp) { <em class="jxr_comment">// Waiting for the interval allocation</em> |
| <a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="144" href="#144">144</a> Thread.sleep(1000); |
| <a class="jxr_linenumber" name="145" href="#145">145</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) { |
| <a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">continue</strong>; |
| <a class="jxr_linenumber" name="147" href="#147">147</a> } |
| <a class="jxr_linenumber" name="148" href="#148">148</a> } |
| <a class="jxr_linenumber" name="149" href="#149">149</a> assert (maxAllocatedTime > maxTimestamp); |
| <a class="jxr_linenumber" name="150" href="#150">150</a> maxTimestamp = maxAllocatedTime; |
| <a class="jxr_linenumber" name="151" href="#151">151</a> } |
| <a class="jxr_linenumber" name="152" href="#152">152</a> |
| <a class="jxr_linenumber" name="153" href="#153">153</a> lastTimestamp = currentMsFirstTimestamp; |
| <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> lastTimestamp; |
| <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> @Override |
| <a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getLast() { |
| <a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">return</strong> lastTimestamp; |
| <a class="jxr_linenumber" name="161" href="#161">161</a> } |
| <a class="jxr_linenumber" name="162" href="#162">162</a> |
| <a class="jxr_linenumber" name="163" href="#163">163</a> @Override |
| <a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">public</strong> String toString() { |
| <a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"TimestampOracle -> LastTimestamp: %d, MaxTimestamp: %d"</span>, lastTimestamp, maxTimestamp); |
| <a class="jxr_linenumber" name="166" href="#166">166</a> } |
| <a class="jxr_linenumber" name="167" href="#167">167</a> |
| <a class="jxr_linenumber" name="168" href="#168">168</a> @VisibleForTesting |
| <a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/tso/TimestampOracleImpl.html">InMemoryTimestampStorage</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/apache/omid/timestamp/storage/TimestampStorage.html">TimestampStorage</a> { |
| <a class="jxr_linenumber" name="170" href="#170">170</a> |
| <a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">long</strong> maxTime = 0; |
| <a class="jxr_linenumber" name="172" href="#172">172</a> |
| <a class="jxr_linenumber" name="173" href="#173">173</a> @Override |
| <a class="jxr_linenumber" name="174" href="#174">174</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> updateMaxTimestamp(<strong class="jxr_keyword">long</strong> previousMaxTime, <strong class="jxr_keyword">long</strong> nextMaxTime) { |
| <a class="jxr_linenumber" name="175" href="#175">175</a> maxTime = nextMaxTime; |
| <a class="jxr_linenumber" name="176" href="#176">176</a> LOG.info(<span class="jxr_string">"Updating max timestamp: (previous:{}, new:{})"</span>, previousMaxTime, nextMaxTime); |
| <a class="jxr_linenumber" name="177" href="#177">177</a> } |
| <a class="jxr_linenumber" name="178" href="#178">178</a> |
| <a class="jxr_linenumber" name="179" href="#179">179</a> @Override |
| <a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getMaxTimestamp() { |
| <a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">return</strong> maxTime; |
| <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> } |
| <a class="jxr_linenumber" name="185" href="#185">185</a> } |
| </pre> |
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