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Posted to commits@omid.apache.org by oh...@apache.org on 2018/12/04 08:26:49 UTC
[13/51] [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/committable/hbase/HBaseCommitTable.html
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diff --git a/xref/org/apache/omid/committable/hbase/HBaseCommitTable.html b/xref/org/apache/omid/committable/hbase/HBaseCommitTable.html
index 4e3a1c9..55968ab 100644
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+++ b/xref/org/apache/omid/committable/hbase/HBaseCommitTable.html
@@ -27,409 +27,435 @@
<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.committable.hbase;
<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> com.google.common.util.concurrent.AbstractFuture;
-<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.ListenableFuture;
-<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.SettableFuture;
-<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.ThreadFactoryBuilder;
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.CodedInputStream;
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.CodedOutputStream;
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable;
-<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable.CommitTimestamp.Location;
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
-<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Delete;
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Get;
-<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.HTable;
-<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Put;
-<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Result;
-<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
-<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
-<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
-<a class="jxr_linenumber" name="38" href="#38">38</a>
-<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> javax.inject.Inject;
-<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
-<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
-<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> java.util.LinkedList;
-<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> java.util.List;
-<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ArrayBlockingQueue;
-<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.BlockingQueue;
-<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorService;
-<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors;
-<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
-<a class="jxr_linenumber" name="49" href="#49">49</a>
-<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.COMMIT_TABLE_QUALIFIER;
-<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.INVALID_TX_QUALIFIER;
-<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.LOW_WATERMARK_QUALIFIER;
-<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.LOW_WATERMARK_ROW;
-<a class="jxr_linenumber" name="54" href="#54">54</a>
-<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTable</a> {
-<a class="jxr_linenumber" name="56" href="#56">56</a>
-<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(HBaseCommitTable.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="58" href="#58">58</a>
-<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Configuration hbaseConfig;
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String tableName;
-<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] commitTableFamily;
-<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] lowWatermarkFamily;
-<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/omid/committable/hbase/KeyGenerator.html">KeyGenerator</a> keygen;
-<a class="jxr_linenumber" name="64" href="#64">64</a>
-<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * Create a hbase commit table.</em>
-<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * Note that we do not take ownership of the passed htable, it is just used to construct the writer and client.</em>
-<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="69" href="#69">69</a> @Inject
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(Configuration hbaseConfig, <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> config) {
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">this</strong>(hbaseConfig, config, KeyGeneratorImplementations.defaultKeyGenerator());
-<a class="jxr_linenumber" name="72" href="#72">72</a> }
-<a class="jxr_linenumber" name="73" href="#73">73</a>
-<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(Configuration hbaseConfig, <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> config, <a href="../../../../../org/apache/omid/committable/hbase/KeyGenerator.html">KeyGenerator</a> keygen) {
-<a class="jxr_linenumber" name="75" href="#75">75</a>
-<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">this</strong>.hbaseConfig = hbaseConfig;
-<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">this</strong>.tableName = config.getTableName();
-<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">this</strong>.commitTableFamily = config.getCommitTableFamily();
-<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">this</strong>.lowWatermarkFamily = config.getLowWatermarkFamily();
-<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">this</strong>.keygen = keygen;
-<a class="jxr_linenumber" name="81" href="#81">81</a>
+<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.COMMIT_TABLE_QUALIFIER;
+<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.INVALID_TX_QUALIFIER;
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.LOW_WATERMARK_QUALIFIER;
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.LOW_WATERMARK_ROW;
+<a class="jxr_linenumber" name="24" href="#24">24</a>
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.util.LinkedList;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ArrayBlockingQueue;
+<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.BlockingQueue;
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ExecutorService;
+<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.Executors;
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.TimeUnit;
+<a class="jxr_linenumber" name="34" href="#34">34</a>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> javax.inject.Inject;
+<a class="jxr_linenumber" name="36" href="#36">36</a>
+<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
+<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.TableName;
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Connection;
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.ConnectionFactory;
+<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Delete;
+<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Get;
+<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Put;
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Result;
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Table;
+<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable;
+<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable.CommitTimestamp.Location;
+<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
+<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
+<a class="jxr_linenumber" name="51" href="#51">51</a>
+<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Optional;
+<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.AbstractFuture;
+<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.ListenableFuture;
+<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.SettableFuture;
+<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> com.google.common.util.concurrent.ThreadFactoryBuilder;
+<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.CodedInputStream;
+<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.CodedOutputStream;
+<a class="jxr_linenumber" name="59" href="#59">59</a>
+<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTable</a> {
+<a class="jxr_linenumber" name="61" href="#61">61</a>
+<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(HBaseCommitTable.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="63" href="#63">63</a>
+<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Connection hbaseConnection;
+<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String tableName;
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] commitTableFamily;
+<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> byte[] lowWatermarkFamily;
+<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/omid/committable/hbase/KeyGenerator.html">KeyGenerator</a> keygen;
+<a class="jxr_linenumber" name="69" href="#69">69</a>
+<a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * Create a hbase commit table.</em>
+<a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * Note that we do not take ownership of the passed htable, it is just used to construct the writer and client.</em>
+<a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * @throws IOException </em>
+<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a> @Inject
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(Configuration hbaseConfig, <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> config) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">this</strong>(ConnectionFactory.createConnection(hbaseConfig), config, KeyGeneratorImplementations.defaultKeyGenerator());
+<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">public</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(Connection hbaseConnection, <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> config) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">this</strong>(hbaseConnection, config, KeyGeneratorImplementations.defaultKeyGenerator());
<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> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em>
-<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_comment">// Reader and Writer</em>
-<a class="jxr_linenumber" name="86" href="#86">86</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(Configuration hbaseConfig, <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> config, <a href="../../../../../org/apache/omid/committable/hbase/KeyGenerator.html">KeyGenerator</a> keygen) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">this</strong>(ConnectionFactory.createConnection(hbaseConfig), config, keygen);
+<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> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseWriter</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/omid/committable/InMemoryCommitTable.html">Writer</a> {
+<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(Connection hbaseConnection, <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> config, <a href="../../../../../org/apache/omid/committable/hbase/KeyGenerator.html">KeyGenerator</a> keygen) <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">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> INITIAL_LWM_VALUE = -1L;
-<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">final</strong> HTable table;
-<a class="jxr_linenumber" name="92" href="#92">92</a> <em class="jxr_comment">// Our own buffer for operations</em>
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">final</strong> List<Put> writeBuffer = <strong class="jxr_keyword">new</strong> LinkedList<>();
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">long</strong> lowWatermarkToStore = INITIAL_LWM_VALUE;
+<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">this</strong>.hbaseConnection = hbaseConnection;
+<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">this</strong>.tableName = config.getTableName();
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">this</strong>.commitTableFamily = config.getCommitTableFamily();
+<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">this</strong>.lowWatermarkFamily = config.getLowWatermarkFamily();
+<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">this</strong>.keygen = keygen;
<a class="jxr_linenumber" name="95" href="#95">95</a>
-<a class="jxr_linenumber" name="96" href="#96">96</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseWriter</a>() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="97" href="#97">97</a> table = <strong class="jxr_keyword">new</strong> HTable(hbaseConfig, tableName);
-<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> @Override
-<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addCommittedTransaction(<strong class="jxr_keyword">long</strong> startTimestamp, <strong class="jxr_keyword">long</strong> commitTimestamp) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="102" href="#102">102</a> assert (startTimestamp < commitTimestamp);
-<a class="jxr_linenumber" name="103" href="#103">103</a> Put put = <strong class="jxr_keyword">new</strong> Put(startTimestampToKey(startTimestamp), startTimestamp);
-<a class="jxr_linenumber" name="104" href="#104">104</a> byte[] value = encodeCommitTimestamp(startTimestamp, commitTimestamp);
-<a class="jxr_linenumber" name="105" href="#105">105</a> put.add(commitTableFamily, COMMIT_TABLE_QUALIFIER, value);
-<a class="jxr_linenumber" name="106" href="#106">106</a> writeBuffer.add(put);
-<a class="jxr_linenumber" name="107" href="#107">107</a> }
-<a class="jxr_linenumber" name="108" href="#108">108</a>
-<a class="jxr_linenumber" name="109" href="#109">109</a> @Override
-<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> updateLowWatermark(<strong class="jxr_keyword">long</strong> lowWatermark) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="111" href="#111">111</a> lowWatermarkToStore = lowWatermark;
+<a class="jxr_linenumber" name="96" href="#96">96</a> }
+<a class="jxr_linenumber" name="97" href="#97">97</a>
+<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em>
+<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_comment">// Reader and Writer</em>
+<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_comment">// ----------------------------------------------------------------------------------------------------------------</em>
+<a class="jxr_linenumber" name="101" href="#101">101</a>
+<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseWriter</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/omid/committable/InMemoryCommitTable.html">Writer</a> {
+<a class="jxr_linenumber" name="103" href="#103">103</a>
+<a class="jxr_linenumber" name="104" href="#104">104</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> INITIAL_LWM_VALUE = -1L;
+<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">final</strong> Table table;
+<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_comment">// Our own buffer for operations</em>
+<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">final</strong> List<Put> writeBuffer = <strong class="jxr_keyword">new</strong> LinkedList<>();
+<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">long</strong> lowWatermarkToStore = INITIAL_LWM_VALUE;
+<a class="jxr_linenumber" name="109" href="#109">109</a>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseWriter</a>() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="111" href="#111">111</a> table = hbaseConnection.getTable(TableName.valueOf(tableName));
<a class="jxr_linenumber" name="112" href="#112">112</a> }
<a class="jxr_linenumber" name="113" href="#113">113</a>
<a class="jxr_linenumber" name="114" href="#114">114</a> @Override
-<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> flush() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="117" href="#117">117</a> addLowWatermarkToStoreToWriteBuffer();
-<a class="jxr_linenumber" name="118" href="#118">118</a> table.put(writeBuffer);
-<a class="jxr_linenumber" name="119" href="#119">119</a> writeBuffer.clear();
-<a class="jxr_linenumber" name="120" href="#120">120</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
-<a class="jxr_linenumber" name="121" href="#121">121</a> LOG.error(<span class="jxr_string">"Error flushing data"</span>, e);
-<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">throw</strong> e;
-<a class="jxr_linenumber" name="123" href="#123">123</a> }
-<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> @Override
-<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearWriteBuffer() {
-<a class="jxr_linenumber" name="128" href="#128">128</a> writeBuffer.clear();
-<a class="jxr_linenumber" name="129" href="#129">129</a> }
-<a class="jxr_linenumber" name="130" href="#130">130</a>
-<a class="jxr_linenumber" name="131" href="#131">131</a> @Override
-<a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="133" href="#133">133</a> clearWriteBuffer();
-<a class="jxr_linenumber" name="134" href="#134">134</a> table.close();
-<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">private</strong> <strong class="jxr_keyword">void</strong> addLowWatermarkToStoreToWriteBuffer() {
-<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">long</strong> lowWatermark = lowWatermarkToStore;
-<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">if</strong>(lowWatermark != INITIAL_LWM_VALUE) {
-<a class="jxr_linenumber" name="140" href="#140">140</a> Put put = <strong class="jxr_keyword">new</strong> Put(LOW_WATERMARK_ROW);
-<a class="jxr_linenumber" name="141" href="#141">141</a> put.add(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER, Bytes.toBytes(lowWatermark));
-<a class="jxr_linenumber" name="142" href="#142">142</a> writeBuffer.add(put);
-<a class="jxr_linenumber" name="143" href="#143">143</a> }
-<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>
-<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseClient</a> <strong class="jxr_keyword">implements</strong> Client, Runnable {
-<a class="jxr_linenumber" name="149" href="#149">149</a>
-<a class="jxr_linenumber" name="150" href="#150">150</a> <strong class="jxr_keyword">final</strong> HTable table;
-<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">final</strong> HTable deleteTable;
-<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">final</strong> ExecutorService deleteBatchExecutor;
-<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">final</strong> BlockingQueue<DeleteRequest> deleteQueue;
-<a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">boolean</strong> isClosed = false; <em class="jxr_comment">// @GuardedBy("this")</em>
-<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> DELETE_BATCH_SIZE = 1024;
-<a class="jxr_linenumber" name="156" href="#156">156</a>
-<a class="jxr_linenumber" name="157" href="#157">157</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseClient</a>() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="158" href="#158">158</a> table = <strong class="jxr_keyword">new</strong> HTable(hbaseConfig, tableName);
-<a class="jxr_linenumber" name="159" href="#159">159</a> table.setAutoFlush(false, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="160" href="#160">160</a> deleteTable = <strong class="jxr_keyword">new</strong> HTable(hbaseConfig, tableName);
-<a class="jxr_linenumber" name="161" href="#161">161</a> deleteQueue = <strong class="jxr_keyword">new</strong> ArrayBlockingQueue<>(DELETE_BATCH_SIZE);
-<a class="jxr_linenumber" name="162" href="#162">162</a>
-<a class="jxr_linenumber" name="163" href="#163">163</a> deleteBatchExecutor = Executors.newSingleThreadExecutor(
-<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"omid-completor-%d"</span>).build());
-<a class="jxr_linenumber" name="165" href="#165">165</a> deleteBatchExecutor.submit(<strong class="jxr_keyword">this</strong>);
-<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>
-<a class="jxr_linenumber" name="169" href="#169">169</a> @Override
-<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Optional<CommitTimestamp>> getCommitTimestamp(<strong class="jxr_keyword">long</strong> startTimestamp) {
+<a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addCommittedTransaction(<strong class="jxr_keyword">long</strong> startTimestamp, <strong class="jxr_keyword">long</strong> commitTimestamp) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="116" href="#116">116</a> assert (startTimestamp < commitTimestamp);
+<a class="jxr_linenumber" name="117" href="#117">117</a> Put put = <strong class="jxr_keyword">new</strong> Put(startTimestampToKey(startTimestamp), startTimestamp);
+<a class="jxr_linenumber" name="118" href="#118">118</a> byte[] value = encodeCommitTimestamp(startTimestamp, commitTimestamp);
+<a class="jxr_linenumber" name="119" href="#119">119</a> put.addColumn(commitTableFamily, COMMIT_TABLE_QUALIFIER, value);
+<a class="jxr_linenumber" name="120" href="#120">120</a> writeBuffer.add(put);
+<a class="jxr_linenumber" name="121" href="#121">121</a> }
+<a class="jxr_linenumber" name="122" href="#122">122</a>
+<a class="jxr_linenumber" name="123" href="#123">123</a> @Override
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> updateLowWatermark(<strong class="jxr_keyword">long</strong> lowWatermark) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="125" href="#125">125</a> lowWatermarkToStore = lowWatermark;
+<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> @Override
+<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> flush() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="131" href="#131">131</a> addLowWatermarkToStoreToWriteBuffer();
+<a class="jxr_linenumber" name="132" href="#132">132</a> table.put(writeBuffer);
+<a class="jxr_linenumber" name="133" href="#133">133</a> writeBuffer.clear();
+<a class="jxr_linenumber" name="134" href="#134">134</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
+<a class="jxr_linenumber" name="135" href="#135">135</a> LOG.error(<span class="jxr_string">"Error flushing data"</span>, e);
+<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">throw</strong> e;
+<a class="jxr_linenumber" name="137" href="#137">137</a> }
+<a class="jxr_linenumber" name="138" href="#138">138</a> }
+<a class="jxr_linenumber" name="139" href="#139">139</a>
+<a class="jxr_linenumber" name="140" href="#140">140</a> @Override
+<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clearWriteBuffer() {
+<a class="jxr_linenumber" name="142" href="#142">142</a> writeBuffer.clear();
+<a class="jxr_linenumber" name="143" href="#143">143</a> }
+<a class="jxr_linenumber" name="144" href="#144">144</a>
+<a class="jxr_linenumber" name="145" href="#145">145</a> @Override
+<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> atomicAddCommittedTransaction(<strong class="jxr_keyword">long</strong> startTimestamp, <strong class="jxr_keyword">long</strong> commitTimestamp) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="147" href="#147">147</a> assert (startTimestamp < commitTimestamp);
+<a class="jxr_linenumber" name="148" href="#148">148</a> byte[] transactionRow = startTimestampToKey(startTimestamp);
+<a class="jxr_linenumber" name="149" href="#149">149</a> Put put = <strong class="jxr_keyword">new</strong> Put(transactionRow, startTimestamp);
+<a class="jxr_linenumber" name="150" href="#150">150</a> byte[] value = encodeCommitTimestamp(startTimestamp, commitTimestamp);
+<a class="jxr_linenumber" name="151" href="#151">151</a> put.addColumn(commitTableFamily, COMMIT_TABLE_QUALIFIER, value);
+<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">return</strong> table.checkAndPut(transactionRow, commitTableFamily, INVALID_TX_QUALIFIER, <strong class="jxr_keyword">null</strong>, put);
+<a class="jxr_linenumber" name="153" href="#153">153</a> }
+<a class="jxr_linenumber" name="154" href="#154">154</a>
+<a class="jxr_linenumber" name="155" href="#155">155</a> @Override
+<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="157" href="#157">157</a> clearWriteBuffer();
+<a class="jxr_linenumber" name="158" href="#158">158</a> table.close();
+<a class="jxr_linenumber" name="159" href="#159">159</a> }
+<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">void</strong> addLowWatermarkToStoreToWriteBuffer() {
+<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">long</strong> lowWatermark = lowWatermarkToStore;
+<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">if</strong>(lowWatermark != INITIAL_LWM_VALUE) {
+<a class="jxr_linenumber" name="164" href="#164">164</a> Put put = <strong class="jxr_keyword">new</strong> Put(LOW_WATERMARK_ROW);
+<a class="jxr_linenumber" name="165" href="#165">165</a> put.addColumn(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER, Bytes.toBytes(lowWatermark));
+<a class="jxr_linenumber" name="166" href="#166">166</a> writeBuffer.add(put);
+<a class="jxr_linenumber" name="167" href="#167">167</a> }
+<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> }
<a class="jxr_linenumber" name="171" href="#171">171</a>
-<a class="jxr_linenumber" name="172" href="#172">172</a> SettableFuture<Optional<CommitTimestamp>> f = SettableFuture.create();
-<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="174" href="#174">174</a> Get get = <strong class="jxr_keyword">new</strong> Get(startTimestampToKey(startTimestamp));
-<a class="jxr_linenumber" name="175" href="#175">175</a> get.addColumn(commitTableFamily, COMMIT_TABLE_QUALIFIER);
-<a class="jxr_linenumber" name="176" href="#176">176</a> get.addColumn(commitTableFamily, INVALID_TX_QUALIFIER);
-<a class="jxr_linenumber" name="177" href="#177">177</a>
-<a class="jxr_linenumber" name="178" href="#178">178</a> Result result = table.get(get);
-<a class="jxr_linenumber" name="179" href="#179">179</a>
-<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">if</strong> (containsInvalidTransaction(result)) {
-<a class="jxr_linenumber" name="181" href="#181">181</a> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a> invalidCT =
-<a class="jxr_linenumber" name="182" href="#182">182</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(Location.COMMIT_TABLE, INVALID_TRANSACTION_MARKER, false);
-<a class="jxr_linenumber" name="183" href="#183">183</a> f.set(Optional.of(invalidCT));
-<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="185" href="#185">185</a> }
-<a class="jxr_linenumber" name="186" href="#186">186</a>
-<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">if</strong> (containsATimestamp(result)) {
-<a class="jxr_linenumber" name="188" href="#188">188</a> <strong class="jxr_keyword">long</strong> commitTSValue =
-<a class="jxr_linenumber" name="189" href="#189">189</a> decodeCommitTimestamp(startTimestamp, result.getValue(commitTableFamily, COMMIT_TABLE_QUALIFIER));
-<a class="jxr_linenumber" name="190" href="#190">190</a> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a> validCT = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(Location.COMMIT_TABLE, commitTSValue, <strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="191" href="#191">191</a> f.set(Optional.of(validCT));
-<a class="jxr_linenumber" name="192" href="#192">192</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="193" href="#193">193</a> f.set(Optional.<CommitTimestamp>absent());
-<a class="jxr_linenumber" name="194" href="#194">194</a> }
-<a class="jxr_linenumber" name="195" href="#195">195</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
-<a class="jxr_linenumber" name="196" href="#196">196</a> LOG.error(<span class="jxr_string">"Error getting commit timestamp for TX {}"</span>, startTimestamp, e);
-<a class="jxr_linenumber" name="197" href="#197">197</a> f.setException(e);
-<a class="jxr_linenumber" name="198" href="#198">198</a> }
-<a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="200" href="#200">200</a> }
-<a class="jxr_linenumber" name="201" href="#201">201</a>
-<a class="jxr_linenumber" name="202" href="#202">202</a> @Override
-<a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Long> readLowWatermark() {
-<a class="jxr_linenumber" name="204" href="#204">204</a> SettableFuture<Long> f = SettableFuture.create();
-<a class="jxr_linenumber" name="205" href="#205">205</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="206" href="#206">206</a> Get get = <strong class="jxr_keyword">new</strong> Get(LOW_WATERMARK_ROW);
-<a class="jxr_linenumber" name="207" href="#207">207</a> get.addColumn(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER);
-<a class="jxr_linenumber" name="208" href="#208">208</a> Result result = table.get(get);
-<a class="jxr_linenumber" name="209" href="#209">209</a> <strong class="jxr_keyword">if</strong> (containsLowWatermark(result)) {
-<a class="jxr_linenumber" name="210" href="#210">210</a> <strong class="jxr_keyword">long</strong> lowWatermark = Bytes.toLong(result.getValue(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER));
-<a class="jxr_linenumber" name="211" href="#211">211</a> f.set(lowWatermark);
-<a class="jxr_linenumber" name="212" href="#212">212</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="213" href="#213">213</a> f.set(0L);
-<a class="jxr_linenumber" name="214" href="#214">214</a> }
-<a class="jxr_linenumber" name="215" href="#215">215</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
-<a class="jxr_linenumber" name="216" href="#216">216</a> LOG.error(<span class="jxr_string">"Error getting low watermark"</span>, e);
-<a class="jxr_linenumber" name="217" href="#217">217</a> f.setException(e);
-<a class="jxr_linenumber" name="218" href="#218">218</a> }
-<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="220" href="#220">220</a> }
-<a class="jxr_linenumber" name="221" href="#221">221</a>
-<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> ListenableFuture<Void> completeTransaction(<strong class="jxr_keyword">long</strong> startTimestamp) {
-<a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
-<a class="jxr_linenumber" name="226" href="#226">226</a>
-<a class="jxr_linenumber" name="227" href="#227">227</a> <strong class="jxr_keyword">if</strong> (isClosed) {
-<a class="jxr_linenumber" name="228" href="#228">228</a> SettableFuture<Void> f = SettableFuture.create();
-<a class="jxr_linenumber" name="229" href="#229">229</a> f.setException(<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Not accepting requests anymore"</span>));
-<a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="231" href="#231">231</a> }
-<a class="jxr_linenumber" name="232" href="#232">232</a>
-<a class="jxr_linenumber" name="233" href="#233">233</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> req = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a>(
-<a class="jxr_linenumber" name="234" href="#234">234</a> <strong class="jxr_keyword">new</strong> Delete(startTimestampToKey(startTimestamp), startTimestamp));
-<a class="jxr_linenumber" name="235" href="#235">235</a> deleteQueue.put(req);
-<a class="jxr_linenumber" name="236" href="#236">236</a> <strong class="jxr_keyword">return</strong> req;
-<a class="jxr_linenumber" name="237" href="#237">237</a> }
-<a class="jxr_linenumber" name="238" href="#238">238</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
-<a class="jxr_linenumber" name="239" href="#239">239</a> LOG.warn(<span class="jxr_string">"Error generating timestamp for transaction completion"</span>, ioe);
-<a class="jxr_linenumber" name="240" href="#240">240</a> SettableFuture<Void> f = SettableFuture.create();
-<a class="jxr_linenumber" name="241" href="#241">241</a> f.setException(ioe);
-<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="243" href="#243">243</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) {
-<a class="jxr_linenumber" name="244" href="#244">244</a> Thread.currentThread().interrupt();
-<a class="jxr_linenumber" name="245" href="#245">245</a> SettableFuture<Void> f = SettableFuture.create();
-<a class="jxr_linenumber" name="246" href="#246">246</a> f.setException(ie);
-<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="248" href="#248">248</a> }
-<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> @Override
-<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Boolean> tryInvalidateTransaction(<strong class="jxr_keyword">long</strong> startTimestamp) {
-<a class="jxr_linenumber" name="253" href="#253">253</a> SettableFuture<Boolean> f = SettableFuture.create();
-<a class="jxr_linenumber" name="254" href="#254">254</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="255" href="#255">255</a> byte[] row = startTimestampToKey(startTimestamp);
-<a class="jxr_linenumber" name="256" href="#256">256</a> Put invalidationPut = <strong class="jxr_keyword">new</strong> Put(row, startTimestamp);
-<a class="jxr_linenumber" name="257" href="#257">257</a> invalidationPut.add(commitTableFamily, INVALID_TX_QUALIFIER, <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseClient</a> <strong class="jxr_keyword">implements</strong> Client, Runnable {
+<a class="jxr_linenumber" name="173" href="#173">173</a>
+<a class="jxr_linenumber" name="174" href="#174">174</a> <strong class="jxr_keyword">final</strong> Table table;
+<a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">final</strong> Table deleteTable;
+<a class="jxr_linenumber" name="176" href="#176">176</a> <strong class="jxr_keyword">final</strong> ExecutorService deleteBatchExecutor;
+<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">final</strong> BlockingQueue<DeleteRequest> deleteQueue;
+<a class="jxr_linenumber" name="178" href="#178">178</a> <strong class="jxr_keyword">boolean</strong> isClosed = false; <em class="jxr_comment">// @GuardedBy("this")</em>
+<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> DELETE_BATCH_SIZE = 1024;
+<a class="jxr_linenumber" name="180" href="#180">180</a>
+<a class="jxr_linenumber" name="181" href="#181">181</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseClient</a>() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_comment">// TODO: create TTable here instead</em>
+<a class="jxr_linenumber" name="183" href="#183">183</a> table = hbaseConnection.getTable(TableName.valueOf(tableName));
+<a class="jxr_linenumber" name="184" href="#184">184</a> <em class="jxr_comment">// FIXME: why is this using autoFlush of false? Why would every Delete</em>
+<a class="jxr_linenumber" name="185" href="#185">185</a> <em class="jxr_comment">// need to be send through a separate RPC?</em>
+<a class="jxr_linenumber" name="186" href="#186">186</a> deleteTable = hbaseConnection.getTable(TableName.valueOf(tableName));
+<a class="jxr_linenumber" name="187" href="#187">187</a> deleteQueue = <strong class="jxr_keyword">new</strong> ArrayBlockingQueue<>(DELETE_BATCH_SIZE);
+<a class="jxr_linenumber" name="188" href="#188">188</a>
+<a class="jxr_linenumber" name="189" href="#189">189</a> deleteBatchExecutor = Executors.newSingleThreadExecutor(
+<a class="jxr_linenumber" name="190" href="#190">190</a> <strong class="jxr_keyword">new</strong> ThreadFactoryBuilder().setNameFormat(<span class="jxr_string">"omid-completor-%d"</span>).build());
+<a class="jxr_linenumber" name="191" href="#191">191</a> deleteBatchExecutor.submit(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="192" href="#192">192</a>
+<a class="jxr_linenumber" name="193" href="#193">193</a> }
+<a class="jxr_linenumber" name="194" href="#194">194</a>
+<a class="jxr_linenumber" name="195" href="#195">195</a> @Override
+<a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Optional<CommitTimestamp>> getCommitTimestamp(<strong class="jxr_keyword">long</strong> startTimestamp) {
+<a class="jxr_linenumber" name="197" href="#197">197</a>
+<a class="jxr_linenumber" name="198" href="#198">198</a> SettableFuture<Optional<CommitTimestamp>> f = SettableFuture.create();
+<a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="200" href="#200">200</a> Get get = <strong class="jxr_keyword">new</strong> Get(startTimestampToKey(startTimestamp));
+<a class="jxr_linenumber" name="201" href="#201">201</a> get.addColumn(commitTableFamily, COMMIT_TABLE_QUALIFIER);
+<a class="jxr_linenumber" name="202" href="#202">202</a> get.addColumn(commitTableFamily, INVALID_TX_QUALIFIER);
+<a class="jxr_linenumber" name="203" href="#203">203</a>
+<a class="jxr_linenumber" name="204" href="#204">204</a> Result result = table.get(get);
+<a class="jxr_linenumber" name="205" href="#205">205</a>
+<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">if</strong> (containsInvalidTransaction(result)) {
+<a class="jxr_linenumber" name="207" href="#207">207</a> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a> invalidCT =
+<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(Location.COMMIT_TABLE, INVALID_TRANSACTION_MARKER, false);
+<a class="jxr_linenumber" name="209" href="#209">209</a> f.set(Optional.of(invalidCT));
+<a class="jxr_linenumber" name="210" href="#210">210</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="211" href="#211">211</a> }
+<a class="jxr_linenumber" name="212" href="#212">212</a>
+<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">if</strong> (containsATimestamp(result)) {
+<a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">long</strong> commitTSValue =
+<a class="jxr_linenumber" name="215" href="#215">215</a> decodeCommitTimestamp(startTimestamp, result.getValue(commitTableFamily, COMMIT_TABLE_QUALIFIER));
+<a class="jxr_linenumber" name="216" href="#216">216</a> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a> validCT = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/committable/CommitTable.html">CommitTimestamp</a>(Location.COMMIT_TABLE, commitTSValue, <strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="217" href="#217">217</a> f.set(Optional.of(validCT));
+<a class="jxr_linenumber" name="218" href="#218">218</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="219" href="#219">219</a> f.set(Optional.<CommitTimestamp>absent());
+<a class="jxr_linenumber" name="220" href="#220">220</a> }
+<a class="jxr_linenumber" name="221" href="#221">221</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
+<a class="jxr_linenumber" name="222" href="#222">222</a> LOG.error(<span class="jxr_string">"Error getting commit timestamp for TX {}"</span>, startTimestamp, e);
+<a class="jxr_linenumber" name="223" href="#223">223</a> f.setException(e);
+<a class="jxr_linenumber" name="224" href="#224">224</a> }
+<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="226" href="#226">226</a> }
+<a class="jxr_linenumber" name="227" href="#227">227</a>
+<a class="jxr_linenumber" name="228" href="#228">228</a> @Override
+<a class="jxr_linenumber" name="229" href="#229">229</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Long> readLowWatermark() {
+<a class="jxr_linenumber" name="230" href="#230">230</a> SettableFuture<Long> f = SettableFuture.create();
+<a class="jxr_linenumber" name="231" href="#231">231</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="232" href="#232">232</a> Get get = <strong class="jxr_keyword">new</strong> Get(LOW_WATERMARK_ROW);
+<a class="jxr_linenumber" name="233" href="#233">233</a> get.addColumn(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER);
+<a class="jxr_linenumber" name="234" href="#234">234</a> Result result = table.get(get);
+<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">if</strong> (containsLowWatermark(result)) {
+<a class="jxr_linenumber" name="236" href="#236">236</a> <strong class="jxr_keyword">long</strong> lowWatermark = Bytes.toLong(result.getValue(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER));
+<a class="jxr_linenumber" name="237" href="#237">237</a> f.set(lowWatermark);
+<a class="jxr_linenumber" name="238" href="#238">238</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="239" href="#239">239</a> f.set(0L);
+<a class="jxr_linenumber" name="240" href="#240">240</a> }
+<a class="jxr_linenumber" name="241" href="#241">241</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
+<a class="jxr_linenumber" name="242" href="#242">242</a> LOG.error(<span class="jxr_string">"Error getting low watermark"</span>, e);
+<a class="jxr_linenumber" name="243" href="#243">243</a> f.setException(e);
+<a class="jxr_linenumber" name="244" href="#244">244</a> }
+<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="246" href="#246">246</a> }
+<a class="jxr_linenumber" name="247" href="#247">247</a>
+<a class="jxr_linenumber" name="248" href="#248">248</a> @Override
+<a class="jxr_linenumber" name="249" href="#249">249</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Void> completeTransaction(<strong class="jxr_keyword">long</strong> startTimestamp) {
+<a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">synchronized</strong> (<strong class="jxr_keyword">this</strong>) {
+<a class="jxr_linenumber" name="252" href="#252">252</a>
+<a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">if</strong> (isClosed) {
+<a class="jxr_linenumber" name="254" href="#254">254</a> SettableFuture<Void> f = SettableFuture.create();
+<a class="jxr_linenumber" name="255" href="#255">255</a> f.setException(<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Not accepting requests anymore"</span>));
+<a class="jxr_linenumber" name="256" href="#256">256</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="257" href="#257">257</a> }
<a class="jxr_linenumber" name="258" href="#258">258</a>
-<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_comment">// We need to write to the invalid column only if the commit timestamp</em>
-<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_comment">// is empty. This has to be done atomically. Otherwise, if we first</em>
-<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_comment">// check the commit timestamp and right before the invalidation a commit</em>
-<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_comment">// timestamp is added and read by a transaction, then snapshot isolation</em>
-<a class="jxr_linenumber" name="263" href="#263">263</a> <em class="jxr_comment">// might not be hold (due to the invalidation)</em>
-<a class="jxr_linenumber" name="264" href="#264">264</a> <em class="jxr_comment">// TODO: Decide what we should we do if we can not contact the commit table. loop till succeed???</em>
-<a class="jxr_linenumber" name="265" href="#265">265</a> <strong class="jxr_keyword">boolean</strong> result = table.checkAndPut(row, commitTableFamily, COMMIT_TABLE_QUALIFIER, <strong class="jxr_keyword">null</strong>, invalidationPut);
-<a class="jxr_linenumber" name="266" href="#266">266</a> f.set(result);
-<a class="jxr_linenumber" name="267" href="#267">267</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
-<a class="jxr_linenumber" name="268" href="#268">268</a> f.setException(ioe);
-<a class="jxr_linenumber" name="269" href="#269">269</a> }
-<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">return</strong> f;
-<a class="jxr_linenumber" name="271" href="#271">271</a> }
-<a class="jxr_linenumber" name="272" href="#272">272</a>
-<a class="jxr_linenumber" name="273" href="#273">273</a> @Override
-<a class="jxr_linenumber" name="274" href="#274">274</a> @SuppressWarnings(<span class="jxr_string">"InfiniteLoopStatement"</span>)
-<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
-<a class="jxr_linenumber" name="276" href="#276">276</a> List<DeleteRequest> reqbatch = <strong class="jxr_keyword">new</strong> ArrayList<>();
-<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
-<a class="jxr_linenumber" name="279" href="#279">279</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> r = deleteQueue.poll();
-<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">if</strong> (r == <strong class="jxr_keyword">null</strong> && reqbatch.size() == 0) {
-<a class="jxr_linenumber" name="281" href="#281">281</a> r = deleteQueue.take();
-<a class="jxr_linenumber" name="282" href="#282">282</a> }
-<a class="jxr_linenumber" name="283" href="#283">283</a>
-<a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">if</strong> (r != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="285" href="#285">285</a> reqbatch.add(r);
-<a class="jxr_linenumber" name="286" href="#286">286</a> }
-<a class="jxr_linenumber" name="287" href="#287">287</a>
-<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">if</strong> (r == <strong class="jxr_keyword">null</strong> || reqbatch.size() == DELETE_BATCH_SIZE) {
-<a class="jxr_linenumber" name="289" href="#289">289</a> List<Delete> deletes = <strong class="jxr_keyword">new</strong> ArrayList<>();
-<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
-<a class="jxr_linenumber" name="291" href="#291">291</a> deletes.add(dr.getDelete());
-<a class="jxr_linenumber" name="292" href="#292">292</a> }
-<a class="jxr_linenumber" name="293" href="#293">293</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="294" href="#294">294</a> deleteTable.delete(deletes);
-<a class="jxr_linenumber" name="295" href="#295">295</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
-<a class="jxr_linenumber" name="296" href="#296">296</a> dr.complete();
-<a class="jxr_linenumber" name="297" href="#297">297</a> }
-<a class="jxr_linenumber" name="298" href="#298">298</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
-<a class="jxr_linenumber" name="299" href="#299">299</a> LOG.warn(<span class="jxr_string">"Error contacting hbase"</span>, ioe);
-<a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
-<a class="jxr_linenumber" name="301" href="#301">301</a> dr.error(ioe);
-<a class="jxr_linenumber" name="302" href="#302">302</a> }
-<a class="jxr_linenumber" name="303" href="#303">303</a> } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="304" href="#304">304</a> reqbatch.clear();
-<a class="jxr_linenumber" name="305" href="#305">305</a> }
-<a class="jxr_linenumber" name="306" href="#306">306</a> }
-<a class="jxr_linenumber" name="307" href="#307">307</a> }
-<a class="jxr_linenumber" name="308" href="#308">308</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) {
-<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_comment">// Drain the queue and place the exception in the future</em>
-<a class="jxr_linenumber" name="310" href="#310">310</a> <em class="jxr_comment">// for those who placed requests</em>
-<a class="jxr_linenumber" name="311" href="#311">311</a> LOG.warn(<span class="jxr_string">"Draining delete queue"</span>);
-<a class="jxr_linenumber" name="312" href="#312">312</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> queuedRequest = deleteQueue.poll();
-<a class="jxr_linenumber" name="313" href="#313">313</a> <strong class="jxr_keyword">while</strong> (queuedRequest != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="314" href="#314">314</a> reqbatch.add(queuedRequest);
-<a class="jxr_linenumber" name="315" href="#315">315</a> queuedRequest = deleteQueue.poll();
-<a class="jxr_linenumber" name="316" href="#316">316</a> }
-<a class="jxr_linenumber" name="317" href="#317">317</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
-<a class="jxr_linenumber" name="318" href="#318">318</a> dr.error(<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"HBase CommitTable is going to be closed"</span>));
-<a class="jxr_linenumber" name="319" href="#319">319</a> }
-<a class="jxr_linenumber" name="320" href="#320">320</a> reqbatch.clear();
-<a class="jxr_linenumber" name="321" href="#321">321</a> Thread.currentThread().interrupt();
-<a class="jxr_linenumber" name="322" href="#322">322</a> } <strong class="jxr_keyword">catch</strong> (Throwable t) {
-<a class="jxr_linenumber" name="323" href="#323">323</a> LOG.error(<span class="jxr_string">"Transaction completion thread threw exception"</span>, t);
-<a class="jxr_linenumber" name="324" href="#324">324</a> }
-<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> @Override
-<a class="jxr_linenumber" name="328" href="#328">328</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="329" href="#329">329</a> isClosed = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="330" href="#330">330</a> deleteBatchExecutor.shutdownNow(); <em class="jxr_comment">// may need to interrupt take</em>
-<a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="332" href="#332">332</a> <strong class="jxr_keyword">if</strong> (!deleteBatchExecutor.awaitTermination(10, TimeUnit.SECONDS)) {
-<a class="jxr_linenumber" name="333" href="#333">333</a> LOG.warn(<span class="jxr_string">"Delete executor did not shutdown"</span>);
-<a class="jxr_linenumber" name="334" href="#334">334</a> }
-<a class="jxr_linenumber" name="335" href="#335">335</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) {
-<a class="jxr_linenumber" name="336" href="#336">336</a> Thread.currentThread().interrupt();
-<a class="jxr_linenumber" name="337" href="#337">337</a> }
-<a class="jxr_linenumber" name="338" href="#338">338</a>
-<a class="jxr_linenumber" name="339" href="#339">339</a> LOG.warn(<span class="jxr_string">"Re-Draining delete queue just in case"</span>);
-<a class="jxr_linenumber" name="340" href="#340">340</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> queuedRequest = deleteQueue.poll();
-<a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">while</strong> (queuedRequest != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="342" href="#342">342</a> queuedRequest.error(<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"HBase CommitTable is going to be closed"</span>));
-<a class="jxr_linenumber" name="343" href="#343">343</a> queuedRequest = deleteQueue.poll();
-<a class="jxr_linenumber" name="344" href="#344">344</a> }
-<a class="jxr_linenumber" name="345" href="#345">345</a>
-<a class="jxr_linenumber" name="346" href="#346">346</a> deleteTable.close();
-<a class="jxr_linenumber" name="347" href="#347">347</a> table.close();
-<a class="jxr_linenumber" name="348" href="#348">348</a> }
-<a class="jxr_linenumber" name="349" href="#349">349</a>
-<a class="jxr_linenumber" name="350" href="#350">350</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> containsATimestamp(Result result) {
-<a class="jxr_linenumber" name="351" href="#351">351</a> <strong class="jxr_keyword">return</strong> (result != <strong class="jxr_keyword">null</strong> && result.containsColumn(commitTableFamily, COMMIT_TABLE_QUALIFIER));
-<a class="jxr_linenumber" name="352" href="#352">352</a> }
-<a class="jxr_linenumber" name="353" href="#353">353</a>
-<a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> containsInvalidTransaction(Result result) {
-<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">return</strong> (result != <strong class="jxr_keyword">null</strong> && result.containsColumn(commitTableFamily, INVALID_TX_QUALIFIER));
-<a class="jxr_linenumber" name="356" href="#356">356</a> }
-<a class="jxr_linenumber" name="357" href="#357">357</a>
-<a class="jxr_linenumber" name="358" href="#358">358</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> containsLowWatermark(Result result) {
-<a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">return</strong> (result != <strong class="jxr_keyword">null</strong> && result.containsColumn(lowWatermarkFamily, LOW_WATERMARK_QUALIFIER));
-<a class="jxr_linenumber" name="360" href="#360">360</a> }
-<a class="jxr_linenumber" name="361" href="#361">361</a>
-<a class="jxr_linenumber" name="362" href="#362">362</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> <strong class="jxr_keyword">extends</strong> AbstractFuture<Void> {
-<a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">final</strong> Delete delete;
+<a class="jxr_linenumber" name="259" href="#259">259</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> req = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a>(
+<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">new</strong> Delete(startTimestampToKey(startTimestamp), startTimestamp));
+<a class="jxr_linenumber" name="261" href="#261">261</a> deleteQueue.put(req);
+<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">return</strong> req;
+<a class="jxr_linenumber" name="263" href="#263">263</a> }
+<a class="jxr_linenumber" name="264" href="#264">264</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
+<a class="jxr_linenumber" name="265" href="#265">265</a> LOG.warn(<span class="jxr_string">"Error generating timestamp for transaction completion"</span>, ioe);
+<a class="jxr_linenumber" name="266" href="#266">266</a> SettableFuture<Void> f = SettableFuture.create();
+<a class="jxr_linenumber" name="267" href="#267">267</a> f.setException(ioe);
+<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="269" href="#269">269</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) {
+<a class="jxr_linenumber" name="270" href="#270">270</a> Thread.currentThread().interrupt();
+<a class="jxr_linenumber" name="271" href="#271">271</a> SettableFuture<Void> f = SettableFuture.create();
+<a class="jxr_linenumber" name="272" href="#272">272</a> f.setException(ie);
+<a class="jxr_linenumber" name="273" href="#273">273</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="274" href="#274">274</a> }
+<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> @Override
+<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">public</strong> ListenableFuture<Boolean> tryInvalidateTransaction(<strong class="jxr_keyword">long</strong> startTimestamp) {
+<a class="jxr_linenumber" name="279" href="#279">279</a> SettableFuture<Boolean> f = SettableFuture.create();
+<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="281" href="#281">281</a> byte[] row = startTimestampToKey(startTimestamp);
+<a class="jxr_linenumber" name="282" href="#282">282</a> Put invalidationPut = <strong class="jxr_keyword">new</strong> Put(row, startTimestamp);
+<a class="jxr_linenumber" name="283" href="#283">283</a> invalidationPut.addColumn(commitTableFamily, INVALID_TX_QUALIFIER, Bytes.toBytes(1));
+<a class="jxr_linenumber" name="284" href="#284">284</a>
+<a class="jxr_linenumber" name="285" href="#285">285</a> <em class="jxr_comment">// We need to write to the invalid column only if the commit timestamp</em>
+<a class="jxr_linenumber" name="286" href="#286">286</a> <em class="jxr_comment">// is empty. This has to be done atomically. Otherwise, if we first</em>
+<a class="jxr_linenumber" name="287" href="#287">287</a> <em class="jxr_comment">// check the commit timestamp and right before the invalidation a commit</em>
+<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_comment">// timestamp is added and read by a transaction, then snapshot isolation</em>
+<a class="jxr_linenumber" name="289" href="#289">289</a> <em class="jxr_comment">// might not be hold (due to the invalidation)</em>
+<a class="jxr_linenumber" name="290" href="#290">290</a> <em class="jxr_comment">// TODO: Decide what we should we do if we can not contact the commit table. loop till succeed???</em>
+<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">boolean</strong> result = table.checkAndPut(row, commitTableFamily, COMMIT_TABLE_QUALIFIER, <strong class="jxr_keyword">null</strong>, invalidationPut);
+<a class="jxr_linenumber" name="292" href="#292">292</a> f.set(result);
+<a class="jxr_linenumber" name="293" href="#293">293</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
+<a class="jxr_linenumber" name="294" href="#294">294</a> f.setException(ioe);
+<a class="jxr_linenumber" name="295" href="#295">295</a> }
+<a class="jxr_linenumber" name="296" href="#296">296</a> <strong class="jxr_keyword">return</strong> f;
+<a class="jxr_linenumber" name="297" href="#297">297</a> }
+<a class="jxr_linenumber" name="298" href="#298">298</a>
+<a class="jxr_linenumber" name="299" href="#299">299</a> @Override
+<a class="jxr_linenumber" name="300" href="#300">300</a> @SuppressWarnings(<span class="jxr_string">"InfiniteLoopStatement"</span>)
+<a class="jxr_linenumber" name="301" href="#301">301</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
+<a class="jxr_linenumber" name="302" href="#302">302</a> List<DeleteRequest> reqbatch = <strong class="jxr_keyword">new</strong> ArrayList<>();
+<a class="jxr_linenumber" name="303" href="#303">303</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="305" href="#305">305</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> r = deleteQueue.poll();
+<a class="jxr_linenumber" name="306" href="#306">306</a> <strong class="jxr_keyword">if</strong> (r == <strong class="jxr_keyword">null</strong> && reqbatch.size() == 0) {
+<a class="jxr_linenumber" name="307" href="#307">307</a> r = deleteQueue.take();
+<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> <strong class="jxr_keyword">if</strong> (r != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="311" href="#311">311</a> reqbatch.add(r);
+<a class="jxr_linenumber" name="312" href="#312">312</a> }
+<a class="jxr_linenumber" name="313" href="#313">313</a>
+<a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">if</strong> (r == <strong class="jxr_keyword">null</strong> || reqbatch.size() == DELETE_BATCH_SIZE) {
+<a class="jxr_linenumber" name="315" href="#315">315</a> List<Delete> deletes = <strong class="jxr_keyword">new</strong> ArrayList<>();
+<a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
+<a class="jxr_linenumber" name="317" href="#317">317</a> deletes.add(dr.getDelete());
+<a class="jxr_linenumber" name="318" href="#318">318</a> }
+<a class="jxr_linenumber" name="319" href="#319">319</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="320" href="#320">320</a> deleteTable.delete(deletes);
+<a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
+<a class="jxr_linenumber" name="322" href="#322">322</a> dr.complete();
+<a class="jxr_linenumber" name="323" href="#323">323</a> }
+<a class="jxr_linenumber" name="324" href="#324">324</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
+<a class="jxr_linenumber" name="325" href="#325">325</a> LOG.warn(<span class="jxr_string">"Error contacting hbase"</span>, ioe);
+<a class="jxr_linenumber" name="326" href="#326">326</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
+<a class="jxr_linenumber" name="327" href="#327">327</a> dr.error(ioe);
+<a class="jxr_linenumber" name="328" href="#328">328</a> }
+<a class="jxr_linenumber" name="329" href="#329">329</a> } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="330" href="#330">330</a> reqbatch.clear();
+<a class="jxr_linenumber" name="331" href="#331">331</a> }
+<a class="jxr_linenumber" name="332" href="#332">332</a> }
+<a class="jxr_linenumber" name="333" href="#333">333</a> }
+<a class="jxr_linenumber" name="334" href="#334">334</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException ie) {
+<a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_comment">// Drain the queue and place the exception in the future</em>
+<a class="jxr_linenumber" name="336" href="#336">336</a> <em class="jxr_comment">// for those who placed requests</em>
+<a class="jxr_linenumber" name="337" href="#337">337</a> LOG.warn(<span class="jxr_string">"Draining delete queue"</span>);
+<a class="jxr_linenumber" name="338" href="#338">338</a> <a href="../../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">DeleteRequest</a> queuedRequest = deleteQueue.poll();
+<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">while</strong> (queuedRequest != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="340" href="#340">340</a> reqbatch.add(queuedRequest);
+<a class="jxr_linenumber" name="341" href="#341">341</a> queuedRequest = deleteQueue.poll();
+<a class="jxr_linenumber" name="342" href="#342">342</a> }
+<a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">for</strong> (DeleteRequest dr : reqbatch) {
+<a class="jxr_linenumber" name="344" href="#344">344</a> dr.error(<strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"HBase CommitTable is going to be closed"</span>));
+<a class="jxr_linenumber" name="345" href="#345">345</a> }
+<a class="jxr_linenumber" name="346" href="#346">346</a> reqbatch.clear();
+<a class="jxr_linenumber" name="347" href="#347">347</a> Thread.currentThread().interrupt();
+<a class="jxr_linenumber" name="348" href="#348">348</a> } <strong class="jxr_keyword">catch</strong> (Throwable t) {
+<a class="jxr_linenumber" name="349" href="#349">349</a> LOG.error(<span class="jxr_string">"Transaction completion thread threw exception"</span>, t);
+<a class="jxr_linenumber" name="350" href="#350">350</a> }
+<a class="jxr_linenumber" name="351" href="#351">351</a> }
+<a class="jxr_linenumber" name="352" href="#352">352</
<TRUNCATED>