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Posted to commits@omid.apache.org by oh...@apache.org on 2018/12/04 08:26:45 UTC
[09/51] [partial] incubator-omid-site git commit: [wagon-git] commit
to branch asf-site 12/4/18 10:26 AM
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/9ccae1ee/xref/org/apache/omid/transaction/AbstractTransaction.html
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diff --git a/xref/org/apache/omid/transaction/AbstractTransaction.html b/xref/org/apache/omid/transaction/AbstractTransaction.html
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+++ b/xref/org/apache/omid/transaction/AbstractTransaction.html
@@ -28,203 +28,384 @@
<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> com.google.common.base.Optional;
-<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.CellId;
-<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> java.util.ArrayList;
-<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Map;
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.Set;
-<a class="jxr_linenumber" name="28" href="#28">28</a>
-<a class="jxr_linenumber" name="29" href="#29">29</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * Omid's base abstract implementation of the {@link Transaction} interface.</em>
-<a class="jxr_linenumber" name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * Provides extra methods to access other basic transaction state required by</em>
-<a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * {@link TransactionManager} implementations based on snapshot</em>
-<a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * isolation.</em>
-<a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * So, this abstract class must be extended by particular implementations of</em>
-<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * transaction managers related to different storage systems (HBase...)</em>
-<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> AbstractTransaction<T <strong class="jxr_keyword">extends</strong> CellId> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> {
-<a class="jxr_linenumber" name="39" href="#39">39</a>
-<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">transient</strong> Map<String, Object> metadata = <strong class="jxr_keyword">new</strong> HashMap<>();
-<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> transactionManager;
-<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> startTimestamp;
-<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> epoch;
-<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> commitTimestamp;
-<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isRollbackOnly;
-<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set<T> writeSet;
-<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Status</a> status = Status.RUNNING;
-<a class="jxr_linenumber" name="48" href="#48">48</a>
-<a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * Base constructor</em>
-<a class="jxr_linenumber" name="51" href="#51">51</a> <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * @param transactionId</em>
-<a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * transaction identifier to assign</em>
-<a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * @param epoch</em>
-<a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * epoch of the TSOServer instance that created this transaction</em>
-<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * Used in High Availability to guarantee data consistency</em>
-<a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * @param writeSet</em>
-<a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * initial write set for the transaction.</em>
-<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * Should be empty in most cases.</em>
-<a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * @param transactionManager</em>
-<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * transaction manager associated to this transaction.</em>
-<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * Usually, should be the one that created the transaction</em>
-<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * instance.</em>
-<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">AbstractTransaction</a>(<strong class="jxr_keyword">long</strong> transactionId,
-<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">long</strong> epoch,
-<a class="jxr_linenumber" name="67" href="#67">67</a> Set<T> writeSet,
-<a class="jxr_linenumber" name="68" href="#68">68</a> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> transactionManager) {
-<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">this</strong>.startTimestamp = transactionId;
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">this</strong>.epoch = epoch;
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">this</strong>.writeSet = writeSet;
-<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">this</strong>.transactionManager = transactionManager;
-<a class="jxr_linenumber" name="73" href="#73">73</a> }
-<a class="jxr_linenumber" name="74" href="#74">74</a>
-<a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * Allows to define specific clean-up task for transaction implementations</em>
-<a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> cleanup();
-<a class="jxr_linenumber" name="79" href="#79">79</a>
-<a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#getTransactionId()</em>
-<a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="83" href="#83">83</a> @Override
-<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getTransactionId() {
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">return</strong> startTimestamp;
-<a class="jxr_linenumber" name="86" href="#86">86</a> }
-<a class="jxr_linenumber" name="87" href="#87">87</a>
-<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#getEpoch()</em>
-<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a> @Override
-<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getEpoch() {
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">return</strong> epoch;
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#getStatus()</em>
-<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="99" href="#99">99</a> @Override
-<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Status</a> getStatus() {
-<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">return</strong> status;
-<a class="jxr_linenumber" name="102" href="#102">102</a> }
-<a class="jxr_linenumber" name="103" href="#103">103</a>
-<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * @see Transaction#isRollbackOnly()</em>
-<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a> @Override
-<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setRollbackOnly() {
-<a class="jxr_linenumber" name="109" href="#109">109</a> isRollbackOnly = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="110" href="#110">110</a> }
-<a class="jxr_linenumber" name="111" href="#111">111</a>
-<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#isRollbackOnly()</em>
-<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="115" href="#115">115</a> @Override
-<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isRollbackOnly() {
-<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">return</strong> isRollbackOnly;
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * Returns transaction manager associated to this transaction.</em>
-<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * @return transaction manager</em>
-<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> getTransactionManager() {
-<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">return</strong> transactionManager;
-<a class="jxr_linenumber" name="126" href="#126">126</a> }
-<a class="jxr_linenumber" name="127" href="#127">127</a>
-<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> <em class="jxr_javadoccomment"> * Returns the start timestamp for this transaction.</em>
-<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment"> * @return start timestamp</em>
-<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getStartTimestamp() {
-<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">return</strong> startTimestamp;
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * Returns the commit timestamp for this transaction.</em>
-<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * @return commit timestamp</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCommitTimestamp() {
-<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">return</strong> commitTimestamp;
-<a class="jxr_linenumber" name="142" href="#142">142</a> }
-<a class="jxr_linenumber" name="143" href="#143">143</a>
-<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * Sets the commit timestamp for this transaction.</em>
-<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * @param commitTimestamp</em>
-<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * the commit timestamp to set</em>
-<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCommitTimestamp(<strong class="jxr_keyword">long</strong> commitTimestamp) {
-<a class="jxr_linenumber" name="150" href="#150">150</a> <strong class="jxr_keyword">this</strong>.commitTimestamp = commitTimestamp;
-<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> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> * Sets the status for this transaction.</em>
-<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment"> * @param status</em>
-<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment"> * the {@link Status} to set</em>
-<a class="jxr_linenumber" name="157" href="#157">157</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setStatus(<a href="../../../../org/apache/omid/transaction/Transaction.html">Status</a> status) {
-<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">this</strong>.status = status;
-<a class="jxr_linenumber" name="160" href="#160">160</a> }
-<a class="jxr_linenumber" name="161" href="#161">161</a>
-<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment"> * Returns the current write-set for this transaction.</em>
-<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment"> * @return write set</em>
-<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">public</strong> Set<T> getWriteSet() {
-<a class="jxr_linenumber" name="167" href="#167">167</a> <strong class="jxr_keyword">return</strong> writeSet;
-<a class="jxr_linenumber" name="168" href="#168">168</a> }
-<a class="jxr_linenumber" name="169" href="#169">169</a>
-<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> <em class="jxr_javadoccomment"> * Adds an element to the transaction write-set.</em>
-<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * @param element</em>
-<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment"> * the element to add</em>
-<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addWriteSetElement(T element) {
-<a class="jxr_linenumber" name="176" href="#176">176</a> writeSet.add(element);
-<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> String toString() {
-<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"Tx-%s [%s] (ST=%d, CT=%d, Epoch=%d) WriteSet %s"</span>,
-<a class="jxr_linenumber" name="182" href="#182">182</a> Long.toHexString(getTransactionId()),
-<a class="jxr_linenumber" name="183" href="#183">183</a> status,
-<a class="jxr_linenumber" name="184" href="#184">184</a> startTimestamp,
-<a class="jxr_linenumber" name="185" href="#185">185</a> commitTimestamp,
-<a class="jxr_linenumber" name="186" href="#186">186</a> epoch,
-<a class="jxr_linenumber" name="187" href="#187">187</a> writeSet);
+<a class="jxr_linenumber" name="21" href="#21">21</a>
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.omid.tso.client.CellId;
+<a class="jxr_linenumber" name="23" href="#23">23</a>
+<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.Set;
+<a class="jxr_linenumber" name="29" href="#29">29</a>
+<a class="jxr_linenumber" name="30" href="#30">30</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * Omid's base abstract implementation of the {@link Transaction} interface.</em>
+<a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * Provides extra methods to access other basic transaction state required by</em>
+<a class="jxr_linenumber" name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * {@link TransactionManager} implementations based on snapshot</em>
+<a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment"> * isolation.</em>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * So, this abstract class must be extended by particular implementations of</em>
+<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * transaction managers related to different storage systems (HBase...)</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> AbstractTransaction<T <strong class="jxr_keyword">extends</strong> CellId> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Transaction</a> {
+<a class="jxr_linenumber" name="40" href="#40">40</a>
+<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> enum <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> {
+<a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_comment">// Regular snapshot isolation. Returns the last key, either from the snapshot or from the current transaction</em>
+<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_comment">// Sets the readTimestamp to be the writeTimestamp</em>
+<a class="jxr_linenumber" name="44" href="#44">44</a> SNAPSHOT,
+<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_comment">// Returns all the written version of a key X that written by the transaction and the key X from the provided snapshot.</em>
+<a class="jxr_linenumber" name="46" href="#46">46</a> SNAPSHOT_ALL,
+<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_comment">// Returns the last key, either from the snapshot or from the current transaction that was written before the last checkpoint.</em>
+<a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_comment">// Sets the readTimestamp to be the writeTimestamp - 1</em>
+<a class="jxr_linenumber" name="49" href="#49">49</a> SNAPSHOT_EXCLUDE_CURRENT;
+<a class="jxr_linenumber" name="50" href="#50">50</a>
+<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> fromInteger(<strong class="jxr_keyword">int</strong> number) {
+<a class="jxr_linenumber" name="52" href="#52">52</a> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> visibilityLevel = SNAPSHOT;
+<a class="jxr_linenumber" name="53" href="#53">53</a>
+<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">switch</strong> (number) {
+<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">case</strong> 0:
+<a class="jxr_linenumber" name="56" href="#56">56</a> visibilityLevel = VisibilityLevel.SNAPSHOT;
+<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">case</strong> 1:
+<a class="jxr_linenumber" name="59" href="#59">59</a> visibilityLevel = VisibilityLevel.SNAPSHOT_ALL;
+<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">case</strong> 2:
+<a class="jxr_linenumber" name="62" href="#62">62</a> visibilityLevel = VisibilityLevel.SNAPSHOT_EXCLUDE_CURRENT;
+<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">default</strong>:
+<a class="jxr_linenumber" name="65" href="#65">65</a> assert(false);
+<a class="jxr_linenumber" name="66" href="#66">66</a> }
+<a class="jxr_linenumber" name="67" href="#67">67</a>
+<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">return</strong> visibilityLevel;
+<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">private</strong> <strong class="jxr_keyword">transient</strong> Map<String, Object> metadata = <strong class="jxr_keyword">new</strong> HashMap<>();
+<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/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> transactionManager;
+<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> startTimestamp;
+<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">long</strong> readTimestamp;
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">long</strong> writeTimestamp;
+<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> epoch;
+<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">long</strong> commitTimestamp;
+<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isRollbackOnly;
+<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set<T> writeSet;
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Set<T> conflictFreeWriteSet;
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Status</a> status = Status.RUNNING;
+<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> visibilityLevel;
+<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> isLowLatency;
+<a class="jxr_linenumber" name="85" href="#85">85</a>
+<a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * Base constructor</em>
+<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * @param transactionId</em>
+<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> * transaction identifier to assign</em>
+<a class="jxr_linenumber" name="91" href="#91">91</a> <em class="jxr_javadoccomment"> * @param epoch</em>
+<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_javadoccomment"> * epoch of the TSOServer instance that created this transaction</em>
+<a class="jxr_linenumber" name="93" href="#93">93</a> <em class="jxr_javadoccomment"> * Used in High Availability to guarantee data consistency</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a> <em class="jxr_javadoccomment"> * @param writeSet</em>
+<a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment"> * initial write set for the transaction.</em>
+<a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * Should be empty in most cases.</em>
+<a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * @param conflictFreeWriteSet</em>
+<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * initial conflict free write set for the transaction.</em>
+<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * Should be empty in most cases.</em>
+<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * @param transactionManager</em>
+<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * transaction manager associated to this transaction.</em>
+<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * Usually, should be the one that created the transaction</em>
+<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * instance.</em>
+<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">AbstractTransaction</a>(<strong class="jxr_keyword">long</strong> transactionId,
+<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">long</strong> epoch,
+<a class="jxr_linenumber" name="107" href="#107">107</a> Set<T> writeSet,
+<a class="jxr_linenumber" name="108" href="#108">108</a> Set<T> conflictFreeWriteSet,
+<a class="jxr_linenumber" name="109" href="#109">109</a> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> transactionManager,
+<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">boolean</strong> isLowLatency) {
+<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">this</strong>(transactionId, transactionId, VisibilityLevel.SNAPSHOT, epoch, writeSet, conflictFreeWriteSet,
+<a class="jxr_linenumber" name="112" href="#112">112</a> transactionManager, isLowLatency);
+<a class="jxr_linenumber" name="113" href="#113">113</a> }
+<a class="jxr_linenumber" name="114" href="#114">114</a>
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">AbstractTransaction</a>(<strong class="jxr_keyword">long</strong> transactionId,
+<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">long</strong> readTimestamp,
+<a class="jxr_linenumber" name="117" href="#117">117</a> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> visibilityLevel,
+<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">long</strong> epoch,
+<a class="jxr_linenumber" name="119" href="#119">119</a> Set<T> writeSet,
+<a class="jxr_linenumber" name="120" href="#120">120</a> Set<T> conflictFreeWriteSet,
+<a class="jxr_linenumber" name="121" href="#121">121</a> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> transactionManager,
+<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">boolean</strong> isLowLatency) {
+<a class="jxr_linenumber" name="123" href="#123">123</a>
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">this</strong>.startTimestamp = <strong class="jxr_keyword">this</strong>.writeTimestamp = transactionId;
+<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">this</strong>.readTimestamp = readTimestamp;
+<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">this</strong>.epoch = epoch;
+<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">this</strong>.writeSet = writeSet;
+<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">this</strong>.conflictFreeWriteSet = conflictFreeWriteSet;
+<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">this</strong>.transactionManager = transactionManager;
+<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">this</strong>.visibilityLevel = visibilityLevel;
+<a class="jxr_linenumber" name="131" href="#131">131</a> <strong class="jxr_keyword">this</strong>.isLowLatency = isLowLatency;
+<a class="jxr_linenumber" name="132" href="#132">132</a> }
+<a class="jxr_linenumber" name="133" href="#133">133</a>
+<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * Base constructor</em>
+<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> * @param transactionId</em>
+<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment"> * transaction identifier to assign</em>
+<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment"> * @param epoch</em>
+<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment"> * epoch of the TSOServer instance that created this transaction</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * Used in High Availability to guarantee data consistency</em>
+<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment"> * @param writeSet</em>
+<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * initial write set for the transaction.</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * Should be empty in most cases.</em>
+<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * @param transactionManager</em>
+<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * transaction manager associated to this transaction.</em>
+<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment"> * Usually, should be the one that created the transaction</em>
+<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment"> * instance.</em>
+<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * @param readTimestamp</em>
+<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * the snapshot to read from</em>
+<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * @param writeTimestamp</em>
+<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * the timestamp to write to</em>
+<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">AbstractTransaction</a>(<strong class="jxr_keyword">long</strong> transactionId,
+<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">long</strong> epoch,
+<a class="jxr_linenumber" name="157" href="#157">157</a> Set<T> writeSet,
+<a class="jxr_linenumber" name="158" href="#158">158</a> Set<T> conflictFreeWriteSet,
+<a class="jxr_linenumber" name="159" href="#159">159</a> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> transactionManager,
+<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">long</strong> readTimestamp,
+<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">long</strong> writeTimestamp,
+<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">boolean</strong> isLowLatency) {
+<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">this</strong>.startTimestamp = transactionId;
+<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">this</strong>.readTimestamp = readTimestamp;
+<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">this</strong>.writeTimestamp = writeTimestamp;
+<a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">this</strong>.epoch = epoch;
+<a class="jxr_linenumber" name="167" href="#167">167</a> <strong class="jxr_keyword">this</strong>.writeSet = writeSet;
+<a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">this</strong>.conflictFreeWriteSet = conflictFreeWriteSet;
+<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">this</strong>.transactionManager = transactionManager;
+<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">this</strong>.visibilityLevel = VisibilityLevel.SNAPSHOT;
+<a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">this</strong>.isLowLatency = isLowLatency;
+<a class="jxr_linenumber" name="172" href="#172">172</a> }
+<a class="jxr_linenumber" name="173" href="#173">173</a>
+<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * Creates a checkpoint and sets the visibility level to SNAPSHOT_EXCLUDE_CURRENT</em>
+<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * The number of checkpoints is bounded to NUM_CHECKPOINTS in order to make checkpoint a client side operation</em>
+<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * @return true if a checkpoint was created and false otherwise</em>
+<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> * @throws TransactionException</em>
+<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> checkpoint() <strong class="jxr_keyword">throws</strong> TransactionException {
+<a class="jxr_linenumber" name="181" href="#181">181</a>
+<a class="jxr_linenumber" name="182" href="#182">182</a> setVisibilityLevel(VisibilityLevel.SNAPSHOT_EXCLUDE_CURRENT);
+<a class="jxr_linenumber" name="183" href="#183">183</a> <strong class="jxr_keyword">this</strong>.readTimestamp = <strong class="jxr_keyword">this</strong>.writeTimestamp++;
+<a class="jxr_linenumber" name="184" href="#184">184</a>
+<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.writeTimestamp % AbstractTransactionManager.MAX_CHECKPOINTS_PER_TXN == 0) {
+<a class="jxr_linenumber" name="186" href="#186">186</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">"Error: number of checkpoing cannot exceed "</span> + (AbstractTransactionManager.MAX_CHECKPOINTS_PER_TXN - 1));
+<a class="jxr_linenumber" name="187" href="#187">187</a> }
<a class="jxr_linenumber" name="188" href="#188">188</a> }
<a class="jxr_linenumber" name="189" href="#189">189</a>
-<a class="jxr_linenumber" name="190" href="#190">190</a> @Override
-<a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">public</strong> Optional<Object> getMetadata(String key) {
-<a class="jxr_linenumber" name="192" href="#192">192</a> <strong class="jxr_keyword">return</strong> Optional.fromNullable(metadata.get(key));
-<a class="jxr_linenumber" name="193" href="#193">193</a> }
+<a class="jxr_linenumber" name="190" href="#190">190</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="191" href="#191">191</a> <em class="jxr_javadoccomment"> * Allows to define specific clean-up task for transaction implementations</em>
+<a class="jxr_linenumber" name="192" href="#192">192</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">void</strong> cleanup();
<a class="jxr_linenumber" name="194" href="#194">194</a>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment"> * Expects they metadata stored under key "key" to be of the "Set" type,</em>
-<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * append "value" to the existing set or creates a new one</em>
-<a class="jxr_linenumber" name="198" href="#198">198</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="199" href="#199">199</a> @Override
-<a class="jxr_linenumber" name="200" href="#200">200</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
-<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> appendMetadata(String key, Object value) {
-<a class="jxr_linenumber" name="202" href="#202">202</a> List existingValue = (List) metadata.get(key);
-<a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">if</strong> (existingValue == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="204" href="#204">204</a> List<Object> newList = <strong class="jxr_keyword">new</strong> ArrayList<>();
-<a class="jxr_linenumber" name="205" href="#205">205</a> newList.add(value);
-<a class="jxr_linenumber" name="206" href="#206">206</a> metadata.put(key, newList);
-<a class="jxr_linenumber" name="207" href="#207">207</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="208" href="#208">208</a> existingValue.add(value);
-<a class="jxr_linenumber" name="209" href="#209">209</a> }
-<a class="jxr_linenumber" name="210" href="#210">210</a> }
-<a class="jxr_linenumber" name="211" href="#211">211</a>
-<a class="jxr_linenumber" name="212" href="#212">212</a> @Override
-<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMetadata(String key, Object value) {
-<a class="jxr_linenumber" name="214" href="#214">214</a> metadata.put(key, value);
-<a class="jxr_linenumber" name="215" href="#215">215</a> }
-<a class="jxr_linenumber" name="216" href="#216">216</a>
-<a class="jxr_linenumber" name="217" href="#217">217</a> }
+<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#getTransactionId()</em>
+<a class="jxr_linenumber" name="197" href="#197">197</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="198" href="#198">198</a> @Override
+<a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getTransactionId() {
+<a class="jxr_linenumber" name="200" href="#200">200</a> <strong class="jxr_keyword">return</strong> startTimestamp;
+<a class="jxr_linenumber" name="201" href="#201">201</a> }
+<a class="jxr_linenumber" name="202" href="#202">202</a>
+<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#getEpoch()</em>
+<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="206" href="#206">206</a> @Override
+<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getEpoch() {
+<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">return</strong> epoch;
+<a class="jxr_linenumber" name="209" href="#209">209</a> }
+<a class="jxr_linenumber" name="210" href="#210">210</a>
+<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#getStatus()</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> @Override
+<a class="jxr_linenumber" name="215" href="#215">215</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/Transaction.html">Status</a> getStatus() {
+<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">return</strong> status;
+<a class="jxr_linenumber" name="217" href="#217">217</a> }
+<a class="jxr_linenumber" name="218" href="#218">218</a>
+<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment"> * @see Transaction#isRollbackOnly()</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> @Override
+<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setRollbackOnly() {
+<a class="jxr_linenumber" name="224" href="#224">224</a> isRollbackOnly = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="225" href="#225">225</a> }
+<a class="jxr_linenumber" name="226" href="#226">226</a>
+<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment"> * @see org.apache.omid.transaction.Transaction#isRollbackOnly()</em>
+<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="230" href="#230">230</a> @Override
+<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isRollbackOnly() {
+<a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">return</strong> isRollbackOnly;
+<a class="jxr_linenumber" name="233" href="#233">233</a> }
+<a class="jxr_linenumber" name="234" href="#234">234</a>
+<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="236" href="#236">236</a> <em class="jxr_javadoccomment"> * Returns transaction manager associated to this transaction.</em>
+<a class="jxr_linenumber" name="237" href="#237">237</a> <em class="jxr_javadoccomment"> * @return transaction manager</em>
+<a class="jxr_linenumber" name="238" href="#238">238</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransactionManager.html">AbstractTransactionManager</a> getTransactionManager() {
+<a class="jxr_linenumber" name="240" href="#240">240</a> <strong class="jxr_keyword">return</strong> transactionManager;
+<a class="jxr_linenumber" name="241" href="#241">241</a> }
+<a class="jxr_linenumber" name="242" href="#242">242</a>
+<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment"> * Returns the start timestamp for this transaction.</em>
+<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * @return start timestamp</em>
+<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getStartTimestamp() {
+<a class="jxr_linenumber" name="248" href="#248">248</a> <strong class="jxr_keyword">return</strong> startTimestamp;
+<a class="jxr_linenumber" name="249" href="#249">249</a> }
+<a class="jxr_linenumber" name="250" href="#250">250</a>
+<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment"> * Returns the read timestamp for this transaction.</em>
+<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment"> * @return read timestamp</em>
+<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="255" href="#255">255</a> @Override
+<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getReadTimestamp() {
+<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">return</strong> readTimestamp;
+<a class="jxr_linenumber" name="258" href="#258">258</a> }
+<a class="jxr_linenumber" name="259" href="#259">259</a>
+<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment"> * Returns the write timestamp for this transaction.</em>
+<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment"> * @return write timestamp</em>
+<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="264" href="#264">264</a> @Override
+<a class="jxr_linenumber" name="265" href="#265">265</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getWriteTimestamp() {
+<a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">return</strong> writeTimestamp;
+<a class="jxr_linenumber" name="267" href="#267">267</a> }
+<a class="jxr_linenumber" name="268" href="#268">268</a>
+<a class="jxr_linenumber" name="269" href="#269">269</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="270" href="#270">270</a> <em class="jxr_javadoccomment"> * Returns the commit timestamp for this transaction.</em>
+<a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment"> * @return commit timestamp</em>
+<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCommitTimestamp() {
+<a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">return</strong> commitTimestamp;
+<a class="jxr_linenumber" name="275" href="#275">275</a> }
+<a class="jxr_linenumber" name="276" href="#276">276</a>
+<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> <em class="jxr_javadoccomment"> * Returns the visibility level for this transaction.</em>
+<a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_javadoccomment"> * @return visibility level</em>
+<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> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> getVisibilityLevel() {
+<a class="jxr_linenumber" name="282" href="#282">282</a> <strong class="jxr_keyword">return</strong> visibilityLevel;
+<a class="jxr_linenumber" name="283" href="#283">283</a> }
+<a class="jxr_linenumber" name="284" href="#284">284</a>
+<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_javadoccomment"> * Sets the commit timestamp for this transaction.</em>
+<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_javadoccomment"> * @param commitTimestamp</em>
+<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_javadoccomment"> * the commit timestamp to set</em>
+<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCommitTimestamp(<strong class="jxr_keyword">long</strong> commitTimestamp) {
+<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">this</strong>.commitTimestamp = commitTimestamp;
+<a class="jxr_linenumber" name="292" href="#292">292</a> }
+<a class="jxr_linenumber" name="293" href="#293">293</a>
+<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="295" href="#295">295</a> <em class="jxr_javadoccomment"> * Sets the visibility level for this transaction.</em>
+<a class="jxr_linenumber" name="296" href="#296">296</a> <em class="jxr_javadoccomment"> * @param visibilityLevel</em>
+<a class="jxr_linenumber" name="297" href="#297">297</a> <em class="jxr_javadoccomment"> * the {@link VisibilityLevel} to set</em>
+<a class="jxr_linenumber" name="298" href="#298">298</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="299" href="#299">299</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setVisibilityLevel(<a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> visibilityLevel) {
+<a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">this</strong>.visibilityLevel = visibilityLevel;
+<a class="jxr_linenumber" name="301" href="#301">301</a>
+<a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_comment">// If we are setting visibility level to either SNAPSHOT or SNAPSHOT_ALL</em>
+<a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_comment">// then we should let readTimestamp equals to writeTimestamp</em>
+<a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.visibilityLevel == VisibilityLevel.SNAPSHOT ||
+<a class="jxr_linenumber" name="305" href="#305">305</a> <strong class="jxr_keyword">this</strong>.visibilityLevel == VisibilityLevel.SNAPSHOT_ALL) {
+<a class="jxr_linenumber" name="306" href="#306">306</a> <strong class="jxr_keyword">this</strong>.readTimestamp = <strong class="jxr_keyword">this</strong>.writeTimestamp;
+<a class="jxr_linenumber" name="307" href="#307">307</a> }
+<a class="jxr_linenumber" name="308" href="#308">308</a> }
+<a class="jxr_linenumber" name="309" href="#309">309</a>
+<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * Sets the status for this transaction.</em>
+<a class="jxr_linenumber" name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * @param status</em>
+<a class="jxr_linenumber" name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * the {@link Status} to set</em>
+<a class="jxr_linenumber" name="314" href="#314">314</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="315" href="#315">315</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setStatus(<a href="../../../../org/apache/omid/transaction/Transaction.html">Status</a> status) {
+<a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">this</strong>.status = status;
+<a class="jxr_linenumber" name="317" href="#317">317</a> }
+<a class="jxr_linenumber" name="318" href="#318">318</a>
+<a class="jxr_linenumber" name="319" href="#319">319</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="320" href="#320">320</a> <em class="jxr_javadoccomment"> * Returns the current write-set for this transaction.</em>
+<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_javadoccomment"> * @return write set</em>
+<a class="jxr_linenumber" name="322" href="#322">322</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="323" href="#323">323</a> <strong class="jxr_keyword">public</strong> Set<T> getWriteSet() {
+<a class="jxr_linenumber" name="324" href="#324">324</a> <strong class="jxr_keyword">return</strong> writeSet;
+<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_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_javadoccomment"> * Returns the current write-set for this transaction that its elements are not candidates for conflict analysis.</em>
+<a class="jxr_linenumber" name="329" href="#329">329</a> <em class="jxr_javadoccomment"> * @return conflictFreeWriteSet</em>
+<a class="jxr_linenumber" name="330" href="#330">330</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">public</strong> Set<T> getConflictFreeWriteSet() {
+<a class="jxr_linenumber" name="332" href="#332">332</a> <strong class="jxr_keyword">return</strong> conflictFreeWriteSet;
+<a class="jxr_linenumber" name="333" href="#333">333</a> }
+<a class="jxr_linenumber" name="334" href="#334">334</a>
+<a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="336" href="#336">336</a> <em class="jxr_javadoccomment"> * Adds an element to the transaction write-set.</em>
+<a class="jxr_linenumber" name="337" href="#337">337</a> <em class="jxr_javadoccomment"> * @param element</em>
+<a class="jxr_linenumber" name="338" href="#338">338</a> <em class="jxr_javadoccomment"> * the element to add</em>
+<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addWriteSetElement(T element) {
+<a class="jxr_linenumber" name="341" href="#341">341</a> writeSet.add(element);
+<a class="jxr_linenumber" name="342" href="#342">342</a> }
+<a class="jxr_linenumber" name="343" href="#343">343</a>
+<a class="jxr_linenumber" name="344" href="#344">344</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="345" href="#345">345</a> <em class="jxr_javadoccomment"> * Adds an element to the transaction conflict free write-set.</em>
+<a class="jxr_linenumber" name="346" href="#346">346</a> <em class="jxr_javadoccomment"> * @param element</em>
+<a class="jxr_linenumber" name="347" href="#347">347</a> <em class="jxr_javadoccomment"> * the element to add</em>
+<a class="jxr_linenumber" name="348" href="#348">348</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addConflictFreeWriteSetElement(T element) {
+<a class="jxr_linenumber" name="350" href="#350">350</a> conflictFreeWriteSet.add(element);
+<a class="jxr_linenumber" name="351" href="#351">351</a> }
+<a class="jxr_linenumber" name="352" href="#352">352</a>
+<a class="jxr_linenumber" name="353" href="#353">353</a> @Override
+<a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">public</strong> String toString() {
+<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">return</strong> String.format(<span class="jxr_string">"Tx-%s [%s] (ST=%d, RT=%d, WT=%d, CT=%d, Epoch=%d) WriteSet %s ConflictFreeWriteSet %s"</span>,
+<a class="jxr_linenumber" name="356" href="#356">356</a> Long.toHexString(getTransactionId()),
+<a class="jxr_linenumber" name="357" href="#357">357</a> status,
+<a class="jxr_linenumber" name="358" href="#358">358</a> startTimestamp,
+<a class="jxr_linenumber" name="359" href="#359">359</a> readTimestamp,
+<a class="jxr_linenumber" name="360" href="#360">360</a> writeTimestamp,
+<a class="jxr_linenumber" name="361" href="#361">361</a> commitTimestamp,
+<a class="jxr_linenumber" name="362" href="#362">362</a> epoch,
+<a class="jxr_linenumber" name="363" href="#363">363</a> writeSet,
+<a class="jxr_linenumber" name="364" href="#364">364</a> conflictFreeWriteSet);
+<a class="jxr_linenumber" name="365" href="#365">365</a> }
+<a class="jxr_linenumber" name="366" href="#366">366</a>
+<a class="jxr_linenumber" name="367" href="#367">367</a> @Override
+<a class="jxr_linenumber" name="368" href="#368">368</a> <strong class="jxr_keyword">public</strong> Optional<Object> getMetadata(String key) {
+<a class="jxr_linenumber" name="369" href="#369">369</a> <strong class="jxr_keyword">return</strong> Optional.fromNullable(metadata.get(key));
+<a class="jxr_linenumber" name="370" href="#370">370</a> }
+<a class="jxr_linenumber" name="371" href="#371">371</a>
+<a class="jxr_linenumber" name="372" href="#372">372</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_javadoccomment"> * Expects they metadata stored under key "key" to be of the "Set" type,</em>
+<a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_javadoccomment"> * append "value" to the existing set or creates a new one</em>
+<a class="jxr_linenumber" name="375" href="#375">375</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="376" href="#376">376</a> @Override
+<a class="jxr_linenumber" name="377" href="#377">377</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>)
+<a class="jxr_linenumber" name="378" href="#378">378</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> appendMetadata(String key, Object value) {
+<a class="jxr_linenumber" name="379" href="#379">379</a> List existingValue = (List) metadata.get(key);
+<a class="jxr_linenumber" name="380" href="#380">380</a> <strong class="jxr_keyword">if</strong> (existingValue == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="381" href="#381">381</a> List<Object> newList = <strong class="jxr_keyword">new</strong> ArrayList<>();
+<a class="jxr_linenumber" name="382" href="#382">382</a> newList.add(value);
+<a class="jxr_linenumber" name="383" href="#383">383</a> metadata.put(key, newList);
+<a class="jxr_linenumber" name="384" href="#384">384</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="385" href="#385">385</a> existingValue.add(value);
+<a class="jxr_linenumber" name="386" href="#386">386</a> }
+<a class="jxr_linenumber" name="387" href="#387">387</a> }
+<a class="jxr_linenumber" name="388" href="#388">388</a>
+<a class="jxr_linenumber" name="389" href="#389">389</a> @Override
+<a class="jxr_linenumber" name="390" href="#390">390</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMetadata(String key, Object value) {
+<a class="jxr_linenumber" name="391" href="#391">391</a> metadata.put(key, value);
+<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> @Override
+<a class="jxr_linenumber" name="395" href="#395">395</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isLowLatency() {
+<a class="jxr_linenumber" name="396" href="#396">396</a> <strong class="jxr_keyword">return</strong> isLowLatency;
+<a class="jxr_linenumber" name="397" href="#397">397</a> }
+<a class="jxr_linenumber" name="398" href="#398">398</a> }
</pre>
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