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Posted to commits@omid.apache.org by oh...@apache.org on 2018/09/20 07:47:53 UTC
[08/51] [partial] incubator-omid-site git commit: [wagon-git] commit
to branch asf-site 9/20/18 10:47 AM
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/6826ad03/xref/org/apache/omid/transaction/OmidCompactor.html
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diff --git a/xref/org/apache/omid/transaction/OmidCompactor.html b/xref/org/apache/omid/transaction/OmidCompactor.html
index 8d1ed17..43a7574 100644
--- a/xref/org/apache/omid/transaction/OmidCompactor.html
+++ b/xref/org/apache/omid/transaction/OmidCompactor.html
@@ -28,125 +28,151 @@
<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.annotations.VisibleForTesting;
-<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable;
-<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.hbase.HBaseCommitTable;
-<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig;
-<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
-<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.CoprocessorEnvironment;
-<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HColumnDescriptor;
-<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.HTableDescriptor;
-<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
-<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.ObserverContext;
-<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
-<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.InternalScanner;
-<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.ScanType;
-<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.Store;
-<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
-<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="21" href="#21">21</a>
+<a class="jxr_linenumber" name="22" href="#22">22</a>
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable;
+<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.hbase.HBaseCommitTable;
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.CoprocessorEnvironment;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.DoNotRetryIOException;
+<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.omid.HBaseShims;
+<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.ObserverContext;
+<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.CompactorScanner;
+<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.InternalScanner;
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.ScanType;
+<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.Store;
+<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;
<a class="jxr_linenumber" name="38" href="#38">38</a>
-<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
-<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> java.util.Queue;
-<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentLinkedQueue;
-<a class="jxr_linenumber" name="42" href="#42">42</a>
-<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.COMMIT_TABLE_NAME_KEY;
-<a class="jxr_linenumber" name="44" href="#44">44</a>
-<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * Garbage collector for stale data: triggered upon HBase</em>
-<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * compactions, it removes data from uncommitted transactions</em>
-<a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * older than the low watermark using a special scanner</em>
-<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/transaction/OmidCompactor.html">OmidCompactor</a> <strong class="jxr_keyword">extends</strong> BaseRegionObserver {
-<a class="jxr_linenumber" name="51" href="#51">51</a>
-<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(OmidCompactor.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="53" href="#53">53</a>
-<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_KEY =
-<a class="jxr_linenumber" name="55" href="#55">55</a> <span class="jxr_string">"omid.hbase.compactor.retain.tombstones"</span>;
-<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_DEFAULT = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
+<a class="jxr_linenumber" name="41" href="#41">41</a>
+<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> java.util.Optional;
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> java.util.Queue;
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentLinkedQueue;
+<a class="jxr_linenumber" name="46" href="#46">46</a>
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.COMMIT_TABLE_NAME_KEY;
+<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"> * Garbage collector for stale data: triggered upon HBase</em>
+<a class="jxr_linenumber" name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * compactions, it removes data from uncommitted transactions</em>
+<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * older than the low watermark using a special scanner</em>
+<a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/transaction/OmidCompactor.html">OmidCompactor</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html">BaseRegionObserver</a> {
+<a class="jxr_linenumber" name="55" href="#55">55</a>
+<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(OmidCompactor.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="57" href="#57">57</a>
-<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> String OMID_COMPACTABLE_CF_FLAG = <span class="jxr_string">"OMID_ENABLED"</span>;
-<a class="jxr_linenumber" name="59" href="#59">59</a>
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> commitTableConf = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">private</strong> Configuration conf = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="62" href="#62">62</a> @VisibleForTesting
-<a class="jxr_linenumber" name="63" href="#63">63</a> Queue<CommitTable.Client> commitTableClientQueue = <strong class="jxr_keyword">new</strong> ConcurrentLinkedQueue<>();
-<a class="jxr_linenumber" name="64" href="#64">64</a>
-<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_comment">// When compacting, if a cell which has been marked by HBase as Delete or</em>
-<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_comment">// Delete Family (that is, non-transactionally deleted), we allow the user</em>
-<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_comment">// to decide what the compactor scanner should do with it: retain it or not</em>
-<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_comment">// If retained, the deleted cell will appear after a minor compaction, but</em>
-<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_comment">// will be deleted anyways after a major one</em>
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> retainNonTransactionallyDeletedCells;
-<a class="jxr_linenumber" name="71" href="#71">71</a>
-<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/OmidCompactor.html">OmidCompactor</a>() {
-<a class="jxr_linenumber" name="73" href="#73">73</a> LOG.info(<span class="jxr_string">"Compactor coprocessor initialized via empty constructor"</span>);
-<a class="jxr_linenumber" name="74" href="#74">74</a> }
-<a class="jxr_linenumber" name="75" href="#75">75</a>
-<a class="jxr_linenumber" name="76" href="#76">76</a> @Override
-<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> start(CoprocessorEnvironment env) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="78" href="#78">78</a> LOG.info(<span class="jxr_string">"Starting compactor coprocessor"</span>);
-<a class="jxr_linenumber" name="79" href="#79">79</a> conf = env.getConfiguration();
-<a class="jxr_linenumber" name="80" href="#80">80</a> commitTableConf = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a>();
-<a class="jxr_linenumber" name="81" href="#81">81</a> String commitTableName = conf.get(COMMIT_TABLE_NAME_KEY);
-<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">if</strong> (commitTableName != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="83" href="#83">83</a> commitTableConf.setTableName(commitTableName);
-<a class="jxr_linenumber" name="84" href="#84">84</a> }
-<a class="jxr_linenumber" name="85" href="#85">85</a> retainNonTransactionallyDeletedCells =
-<a class="jxr_linenumber" name="86" href="#86">86</a> conf.getBoolean(HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_KEY,
-<a class="jxr_linenumber" name="87" href="#87">87</a> HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_DEFAULT);
-<a class="jxr_linenumber" name="88" href="#88">88</a> LOG.info(<span class="jxr_string">"Compactor coprocessor started"</span>);
+<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_KEY
+<a class="jxr_linenumber" name="59" href="#59">59</a> = <span class="jxr_string">"omid.hbase.compactor.retain.tombstones"</span>;
+<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_DEFAULT = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="61" href="#61">61</a>
+<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> String OMID_COMPACTABLE_CF_FLAG = <span class="jxr_string">"OMID_ENABLED"</span>;
+<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">boolean</strong> enableCompactorForAllFamilies = false;
+<a class="jxr_linenumber" name="65" href="#65">65</a>
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> commitTableConf = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> Configuration conf = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="68" href="#68">68</a> @VisibleForTesting
+<a class="jxr_linenumber" name="69" href="#69">69</a> Queue<CommitTable.Client> commitTableClientQueue = <strong class="jxr_keyword">new</strong> ConcurrentLinkedQueue<>();
+<a class="jxr_linenumber" name="70" href="#70">70</a>
+<a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_comment">// When compacting, if a cell which has been marked by HBase as Delete or</em>
+<a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_comment">// Delete Family (that is, non-transactionally deleted), we allow the user</em>
+<a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_comment">// to decide what the compactor scanner should do with it: retain it or not</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_comment">// If retained, the deleted cell will appear after a minor compaction, but</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_comment">// will be deleted anyways after a major one</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> retainNonTransactionallyDeletedCells;
+<a class="jxr_linenumber" name="77" href="#77">77</a>
+<a class="jxr_linenumber" name="78" href="#78">78</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/OmidCompactor.html">OmidCompactor</a>() {
+<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">this</strong>(false);
+<a class="jxr_linenumber" name="80" href="#80">80</a> }
+<a class="jxr_linenumber" name="81" href="#81">81</a>
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">public</strong> Optional getRegionObserver() {
+<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">return</strong> Optional.of(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="84" href="#84">84</a> }
+<a class="jxr_linenumber" name="85" href="#85">85</a>
+<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/OmidCompactor.html">OmidCompactor</a>(<strong class="jxr_keyword">boolean</strong> enableCompactorForAllFamilies) {
+<a class="jxr_linenumber" name="87" href="#87">87</a> LOG.info(<span class="jxr_string">"Compactor coprocessor initialized"</span>);
+<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">this</strong>.enableCompactorForAllFamilies = enableCompactorForAllFamilies;
<a class="jxr_linenumber" name="89" href="#89">89</a> }
<a class="jxr_linenumber" name="90" href="#90">90</a>
<a class="jxr_linenumber" name="91" href="#91">91</a> @Override
-<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stop(CoprocessorEnvironment e) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="93" href="#93">93</a> LOG.info(<span class="jxr_string">"Stopping compactor coprocessor"</span>);
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">if</strong> (commitTableClientQueue != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">for</strong> (CommitTable.Client commitTableClient : commitTableClientQueue) {
-<a class="jxr_linenumber" name="96" href="#96">96</a> commitTableClient.close();
-<a class="jxr_linenumber" name="97" href="#97">97</a> }
-<a class="jxr_linenumber" name="98" href="#98">98</a> }
-<a class="jxr_linenumber" name="99" href="#99">99</a> LOG.info(<span class="jxr_string">"Compactor coprocessor stopped"</span>);
-<a class="jxr_linenumber" name="100" href="#100">100</a> }
-<a class="jxr_linenumber" name="101" href="#101">101</a>
-<a class="jxr_linenumber" name="102" href="#102">102</a> @Override
-<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">public</strong> InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> e,
-<a class="jxr_linenumber" name="104" href="#104">104</a> Store store,
-<a class="jxr_linenumber" name="105" href="#105">105</a> InternalScanner scanner,
-<a class="jxr_linenumber" name="106" href="#106">106</a> ScanType scanType,
-<a class="jxr_linenumber" name="107" href="#107">107</a> CompactionRequest request) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="108" href="#108">108</a>
-<a class="jxr_linenumber" name="109" href="#109">109</a> HTableDescriptor desc = e.getEnvironment().getRegion().getTableDesc();
-<a class="jxr_linenumber" name="110" href="#110">110</a> HColumnDescriptor famDesc = desc.getFamily(Bytes.toBytes(store.getColumnFamilyName()));
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">boolean</strong> omidCompactable = Boolean.valueOf(famDesc.getValue(OMID_COMPACTABLE_CF_FLAG));
-<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_comment">// only column families tagged as compactable are compacted with omid compactor</em>
-<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">if</strong> (!omidCompactable) {
-<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">return</strong> scanner;
-<a class="jxr_linenumber" name="115" href="#115">115</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="116" href="#116">116</a> CommitTable.Client commitTableClient = commitTableClientQueue.poll();
-<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">if</strong> (commitTableClient == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="118" href="#118">118</a> commitTableClient = initAndGetCommitTableClient();
-<a class="jxr_linenumber" name="119" href="#119">119</a> }
-<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">boolean</strong> isMajorCompaction = request.isMajor();
-<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/CompactorScanner.html">CompactorScanner</a>(e,
-<a class="jxr_linenumber" name="122" href="#122">122</a> scanner,
-<a class="jxr_linenumber" name="123" href="#123">123</a> commitTableClient,
-<a class="jxr_linenumber" name="124" href="#124">124</a> commitTableClientQueue,
-<a class="jxr_linenumber" name="125" href="#125">125</a> isMajorCompaction,
-<a class="jxr_linenumber" name="126" href="#126">126</a> retainNonTransactionallyDeletedCells);
-<a class="jxr_linenumber" name="127" href="#127">127</a> }
-<a class="jxr_linenumber" name="128" href="#128">128</a>
-<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> <strong class="jxr_keyword">private</strong> CommitTable.Client initAndGetCommitTableClient() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="132" href="#132">132</a> LOG.info(<span class="jxr_string">"Trying to get the commit table client"</span>);
-<a class="jxr_linenumber" name="133" href="#133">133</a> <a href="../../../../org/apache/omid/committable/CommitTable.html">CommitTable</a> commitTable = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(conf, commitTableConf);
-<a class="jxr_linenumber" name="134" href="#134">134</a> CommitTable.Client commitTableClient = commitTable.getClient();
-<a class="jxr_linenumber" name="135" href="#135">135</a> LOG.info(<span class="jxr_string">"Commit table client obtained {}"</span>, commitTableClient.getClass().getCanonicalName());
-<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">return</strong> commitTableClient;
-<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="92" href="#92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> start(CoprocessorEnvironment env) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="93" href="#93">93</a> LOG.info(<span class="jxr_string">"Starting compactor coprocessor"</span>);
+<a class="jxr_linenumber" name="94" href="#94">94</a> conf = env.getConfiguration();
+<a class="jxr_linenumber" name="95" href="#95">95</a> commitTableConf = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a>();
+<a class="jxr_linenumber" name="96" href="#96">96</a> String commitTableName = conf.get(COMMIT_TABLE_NAME_KEY);
+<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">if</strong> (commitTableName != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="98" href="#98">98</a> commitTableConf.setTableName(commitTableName);
+<a class="jxr_linenumber" name="99" href="#99">99</a> }
+<a class="jxr_linenumber" name="100" href="#100">100</a> retainNonTransactionallyDeletedCells =
+<a class="jxr_linenumber" name="101" href="#101">101</a> conf.getBoolean(HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_KEY,
+<a class="jxr_linenumber" name="102" href="#102">102</a> HBASE_RETAIN_NON_TRANSACTIONALLY_DELETED_CELLS_DEFAULT);
+<a class="jxr_linenumber" name="103" href="#103">103</a> LOG.info(<span class="jxr_string">"Compactor coprocessor started"</span>);
+<a class="jxr_linenumber" name="104" href="#104">104</a> }
+<a class="jxr_linenumber" name="105" href="#105">105</a>
+<a class="jxr_linenumber" name="106" href="#106">106</a> @Override
+<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stop(CoprocessorEnvironment e) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="108" href="#108">108</a> LOG.info(<span class="jxr_string">"Stopping compactor coprocessor"</span>);
+<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">if</strong> (commitTableClientQueue != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">for</strong> (CommitTable.Client commitTableClient : commitTableClientQueue) {
+<a class="jxr_linenumber" name="111" href="#111">111</a> commitTableClient.close();
+<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> LOG.info(<span class="jxr_string">"Compactor coprocessor stopped"</span>);
+<a class="jxr_linenumber" name="115" href="#115">115</a> }
+<a class="jxr_linenumber" name="116" href="#116">116</a>
+<a class="jxr_linenumber" name="117" href="#117">117</a>
+<a class="jxr_linenumber" name="118" href="#118">118</a>
+<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">public</strong> InternalScanner preCompact(ObserverContext<RegionCoprocessorEnvironment> env,
+<a class="jxr_linenumber" name="120" href="#120">120</a> Store store,
+<a class="jxr_linenumber" name="121" href="#121">121</a> InternalScanner scanner,
+<a class="jxr_linenumber" name="122" href="#122">122</a> ScanType scanType,
+<a class="jxr_linenumber" name="123" href="#123">123</a> CompactionRequest request) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">boolean</strong> omidCompactable;
+<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">if</strong> (enableCompactorForAllFamilies) {
+<a class="jxr_linenumber" name="127" href="#127">127</a> omidCompactable = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="128" href="#128">128</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="129" href="#129">129</a>
+<a class="jxr_linenumber" name="130" href="#130">130</a> omidCompactable = HBaseShims.OmidCompactionEnabled(env, store, OMID_COMPACTABLE_CF_FLAG);
+<a class="jxr_linenumber" name="131" href="#131">131</a> }
+<a class="jxr_linenumber" name="132" href="#132">132</a>
+<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_comment">// only column families tagged as compactable are compacted</em>
+<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_comment">// with omid compactor</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">if</strong> (!omidCompactable) {
+<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">return</strong> scanner;
+<a class="jxr_linenumber" name="137" href="#137">137</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="138" href="#138">138</a> CommitTable.Client commitTableClient = commitTableClientQueue.poll();
+<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">if</strong> (commitTableClient == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="140" href="#140">140</a> commitTableClient = initAndGetCommitTableClient();
+<a class="jxr_linenumber" name="141" href="#141">141</a> }
+<a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">boolean</strong> isMajorCompaction = request.isMajor();
+<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/regionserver/CompactorScanner.html">CompactorScanner</a>(env,
+<a class="jxr_linenumber" name="144" href="#144">144</a> scanner,
+<a class="jxr_linenumber" name="145" href="#145">145</a> commitTableClient,
+<a class="jxr_linenumber" name="146" href="#146">146</a> commitTableClientQueue,
+<a class="jxr_linenumber" name="147" href="#147">147</a> isMajorCompaction,
+<a class="jxr_linenumber" name="148" href="#148">148</a> retainNonTransactionallyDeletedCells);
+<a class="jxr_linenumber" name="149" href="#149">149</a> }
+<a class="jxr_linenumber" name="150" href="#150">150</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
+<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">throw</strong> e;
+<a class="jxr_linenumber" name="152" href="#152">152</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> DoNotRetryIOException(e);
+<a class="jxr_linenumber" name="154" href="#154">154</a> }
+<a class="jxr_linenumber" name="155" href="#155">155</a> }
+<a class="jxr_linenumber" name="156" href="#156">156</a>
+<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">private</strong> CommitTable.Client initAndGetCommitTableClient() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="158" href="#158">158</a> LOG.info(<span class="jxr_string">"Trying to get the commit table client"</span>);
+<a class="jxr_linenumber" name="159" href="#159">159</a> <a href="../../../../org/apache/omid/committable/CommitTable.html">CommitTable</a> commitTable = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(conf, commitTableConf);
+<a class="jxr_linenumber" name="160" href="#160">160</a> CommitTable.Client commitTableClient = commitTable.getClient();
+<a class="jxr_linenumber" name="161" href="#161">161</a> LOG.info(<span class="jxr_string">"Commit table client obtained {}"</span>, commitTableClient.getClass().getCanonicalName());
+<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">return</strong> commitTableClient;
+<a class="jxr_linenumber" name="163" href="#163">163</a> }
+<a class="jxr_linenumber" name="164" href="#164">164</a>
+<a class="jxr_linenumber" name="165" href="#165">165</a> }
</pre>
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>OmidSnapshotFilter xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../target/site/apidocs/org/apache/omid/transaction/OmidSnapshotFilter.html">View Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.omid.transaction;
+<a class="jxr_linenumber" name="19" href="#19">19</a>
+<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> com.google.protobuf.InvalidProtocolBufferException;
+<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.hadoop.hbase.client.Scan;
+<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> org.apache.hadoop.hbase.coprocessor.BaseRegionObserver;
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.filter.Filter;
+<a class="jxr_linenumber" name="26" href="#26">26</a>
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.InternalScanner;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionScanner;
+<a class="jxr_linenumber" name="29" href="#29">29</a>
+<a class="jxr_linenumber" name="30" href="#30">30</a>
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable;
+<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.hbase.HBaseCommitTable;
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig;
+<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.omid.proto.TSOProto;
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.omid.transaction.AbstractTransaction.VisibilityLevel;
+<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.omid.HBaseShims;
+<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.Cell;
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.CoprocessorEnvironment;
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Get;
+<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.ObserverContext;
+<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
+<a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.regionserver.RegionAccessWrapper;
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
+<a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
+<a class="jxr_linenumber" name="46" href="#46">46</a>
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="48" href="#48">48</a>
+<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> java.util.HashSet;
+<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> java.util.Map;
+<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> java.util.Optional;
+<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> java.util.Queue;
+<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap;
+<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentLinkedQueue;
+<a class="jxr_linenumber" name="56" href="#56">56</a>
+<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.apache.omid.committable.hbase.HBaseCommitTableConfig.COMMIT_TABLE_NAME_KEY;
+<a class="jxr_linenumber" name="58" href="#58">58</a>
+<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * Server side filtering to identify the transaction snapshot.</em>
+<a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/omid/transaction/OmidSnapshotFilter.html">OmidSnapshotFilter</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/hadoop/hbase/coprocessor/BaseRegionObserver.html">BaseRegionObserver</a> {
+<a class="jxr_linenumber" name="63" href="#63">63</a>
+<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger LOG = LoggerFactory.getLogger(OmidSnapshotFilter.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="65" href="#65">65</a>
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a> commitTableConf = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> Configuration conf = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> Queue<SnapshotFilterImpl> snapshotFilterQueue = <strong class="jxr_keyword">new</strong> ConcurrentLinkedQueue<>();
+<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">private</strong> Map<Object, SnapshotFilterImpl> snapshotFilterMap = <strong class="jxr_keyword">new</strong> ConcurrentHashMap();
+<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> CommitTable.Client inMemoryCommitTable = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="71" href="#71">71</a>
+<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/OmidSnapshotFilter.html">OmidSnapshotFilter</a>(CommitTable.Client commitTableClient) {
+<a class="jxr_linenumber" name="73" href="#73">73</a> LOG.info(<span class="jxr_string">"Compactor coprocessor initialized with constructor for testing"</span>);
+<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">this</strong>.inMemoryCommitTable = commitTableClient;
+<a class="jxr_linenumber" name="75" href="#75">75</a> }
+<a class="jxr_linenumber" name="76" href="#76">76</a>
+<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/omid/transaction/OmidSnapshotFilter.html">OmidSnapshotFilter</a>() {
+<a class="jxr_linenumber" name="78" href="#78">78</a> LOG.info(<span class="jxr_string">"Compactor coprocessor initialized via empty constructor"</span>);
+<a class="jxr_linenumber" name="79" href="#79">79</a> }
+<a class="jxr_linenumber" name="80" href="#80">80</a>
+<a class="jxr_linenumber" name="81" href="#81">81</a>
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">public</strong> Optional getRegionObserver() {
+<a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">return</strong> Optional.of(<strong class="jxr_keyword">this</strong>);
+<a class="jxr_linenumber" name="84" href="#84">84</a> }
+<a class="jxr_linenumber" name="85" href="#85">85</a>
+<a class="jxr_linenumber" name="86" href="#86">86</a> @Override
+<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> start(CoprocessorEnvironment env) {
+<a class="jxr_linenumber" name="88" href="#88">88</a> LOG.info(<span class="jxr_string">"Starting snapshot filter coprocessor"</span>);
+<a class="jxr_linenumber" name="89" href="#89">89</a> conf = env.getConfiguration();
+<a class="jxr_linenumber" name="90" href="#90">90</a> commitTableConf = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTableConfig.html">HBaseCommitTableConfig</a>();
+<a class="jxr_linenumber" name="91" href="#91">91</a> String commitTableName = conf.get(COMMIT_TABLE_NAME_KEY);
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">if</strong> (commitTableName != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="93" href="#93">93</a> commitTableConf.setTableName(commitTableName);
+<a class="jxr_linenumber" name="94" href="#94">94</a> }
+<a class="jxr_linenumber" name="95" href="#95">95</a> LOG.info(<span class="jxr_string">"Snapshot filter started"</span>);
+<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> @Override
+<a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stop(CoprocessorEnvironment e) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="100" href="#100">100</a> LOG.info(<span class="jxr_string">"Stopping snapshot filter coprocessor"</span>);
+<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (snapshotFilterQueue != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">for</strong> (SnapshotFilterImpl snapshotFilter: snapshotFilterQueue) {
+<a class="jxr_linenumber" name="103" href="#103">103</a> snapshotFilter.closeCommitTableClient();
+<a class="jxr_linenumber" name="104" href="#104">104</a> }
+<a class="jxr_linenumber" name="105" href="#105">105</a> }
+<a class="jxr_linenumber" name="106" href="#106">106</a> LOG.info(<span class="jxr_string">"Snapshot filter stopped"</span>);
+<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>
+<a class="jxr_linenumber" name="110" href="#110">110</a> @Override
+<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> postGetOp(ObserverContext<RegionCoprocessorEnvironment> e, Get get, List<Cell> results) {
+<a class="jxr_linenumber" name="112" href="#112">112</a> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> snapshotFilter = snapshotFilterMap.get(get);
+<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">if</strong> (snapshotFilter != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="114" href="#114">114</a> snapshotFilterQueue.add(snapshotFilter);
+<a class="jxr_linenumber" name="115" href="#115">115</a> }
+<a class="jxr_linenumber" name="116" href="#116">116</a> }
+<a class="jxr_linenumber" name="117" href="#117">117</a>
+<a class="jxr_linenumber" name="118" href="#118">118</a>
+<a class="jxr_linenumber" name="119" href="#119">119</a> @Override
+<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> preGetOp(ObserverContext<RegionCoprocessorEnvironment> e, Get get, List<Cell> results)
+<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="122" href="#122">122</a>
+<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">if</strong> (get.getAttribute(CellUtils.CLIENT_GET_ATTRIBUTE) == <strong class="jxr_keyword">null</strong>) <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="124" href="#124">124</a>
+<a class="jxr_linenumber" name="125" href="#125">125</a> <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a> hbaseTransaction = getHBaseTransaction(get.getAttribute(CellUtils.TRANSACTION_ATTRIBUTE));
+<a class="jxr_linenumber" name="126" href="#126">126</a> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> snapshotFilter = getSnapshotFilter(e);
+<a class="jxr_linenumber" name="127" href="#127">127</a> snapshotFilterMap.put(get, snapshotFilter);
+<a class="jxr_linenumber" name="128" href="#128">128</a>
+<a class="jxr_linenumber" name="129" href="#129">129</a> get.setMaxVersions();
+<a class="jxr_linenumber" name="130" href="#130">130</a> Filter newFilter = TransactionFilters.getVisibilityFilter(get.getFilter(),
+<a class="jxr_linenumber" name="131" href="#131">131</a> snapshotFilter, hbaseTransaction);
+<a class="jxr_linenumber" name="132" href="#132">132</a> get.setFilter(newFilter);
+<a class="jxr_linenumber" name="133" href="#133">133</a> }
+<a class="jxr_linenumber" name="134" href="#134">134</a>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> getSnapshotFilter(ObserverContext<RegionCoprocessorEnvironment> e)
+<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="137" href="#137">137</a> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> snapshotFilter= snapshotFilterQueue.poll();
+<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">if</strong> (snapshotFilter == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="139" href="#139">139</a> <a href="../../../../org/apache/hadoop/hbase/regionserver/RegionAccessWrapper.html">RegionAccessWrapper</a> regionAccessWrapper =
+<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/regionserver/RegionAccessWrapper.html">RegionAccessWrapper</a>(HBaseShims.getRegionCoprocessorRegion(e.getEnvironment()));
+<a class="jxr_linenumber" name="141" href="#141">141</a> snapshotFilter = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a>(regionAccessWrapper, initAndGetCommitTableClient());
+<a class="jxr_linenumber" name="142" href="#142">142</a> }
+<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">return</strong> snapshotFilter;
+<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> <strong class="jxr_keyword">public</strong> RegionScanner preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e,
+<a class="jxr_linenumber" name="148" href="#148">148</a> Scan scan,
+<a class="jxr_linenumber" name="149" href="#149">149</a> RegionScanner s) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="150" href="#150">150</a> preScannerOpen(e,scan);
+<a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">return</strong> s;
+<a class="jxr_linenumber" name="152" href="#152">152</a> }
+<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> preScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e,
+<a class="jxr_linenumber" name="156" href="#156">156</a> Scan scan) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="157" href="#157">157</a> byte[] byteTransaction = scan.getAttribute(CellUtils.TRANSACTION_ATTRIBUTE);
+<a class="jxr_linenumber" name="158" href="#158">158</a>
+<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">if</strong> (byteTransaction == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="161" href="#161">161</a> }
+<a class="jxr_linenumber" name="162" href="#162">162</a>
+<a class="jxr_linenumber" name="163" href="#163">163</a> <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a> hbaseTransaction = getHBaseTransaction(byteTransaction);
+<a class="jxr_linenumber" name="164" href="#164">164</a> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> snapshotFilter = getSnapshotFilter(e);
+<a class="jxr_linenumber" name="165" href="#165">165</a>
+<a class="jxr_linenumber" name="166" href="#166">166</a> scan.setMaxVersions();
+<a class="jxr_linenumber" name="167" href="#167">167</a> Filter newFilter = TransactionFilters.getVisibilityFilter(scan.getFilter(),
+<a class="jxr_linenumber" name="168" href="#168">168</a> snapshotFilter, hbaseTransaction);
+<a class="jxr_linenumber" name="169" href="#169">169</a> scan.setFilter(newFilter);
+<a class="jxr_linenumber" name="170" href="#170">170</a> snapshotFilterMap.put(scan, snapshotFilter);
+<a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">return</strong>;
+<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>
+<a class="jxr_linenumber" name="175" href="#175">175</a>
+<a class="jxr_linenumber" name="176" href="#176">176</a> <strong class="jxr_keyword">public</strong> RegionScanner postScannerOpen(ObserverContext<RegionCoprocessorEnvironment> e,
+<a class="jxr_linenumber" name="177" href="#177">177</a> Scan scan,
+<a class="jxr_linenumber" name="178" href="#178">178</a> RegionScanner s) {
+<a class="jxr_linenumber" name="179" href="#179">179</a> byte[] byteTransaction = scan.getAttribute(CellUtils.TRANSACTION_ATTRIBUTE);
+<a class="jxr_linenumber" name="180" href="#180">180</a>
+<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">if</strong> (byteTransaction == <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="182" href="#182">182</a> <strong class="jxr_keyword">return</strong> s;
+<a class="jxr_linenumber" name="183" href="#183">183</a> }
+<a class="jxr_linenumber" name="184" href="#184">184</a>
+<a class="jxr_linenumber" name="185" href="#185">185</a> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> snapshotFilter = snapshotFilterMap.get(scan);
+<a class="jxr_linenumber" name="186" href="#186">186</a> assert(snapshotFilter != <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="187" href="#187">187</a> snapshotFilterMap.remove(scan);
+<a class="jxr_linenumber" name="188" href="#188">188</a> snapshotFilterMap.put(s, snapshotFilter);
+<a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">return</strong> s;
+<a class="jxr_linenumber" name="190" href="#190">190</a> }
+<a class="jxr_linenumber" name="191" href="#191">191</a>
+<a class="jxr_linenumber" name="192" href="#192">192</a>
+<a class="jxr_linenumber" name="193" href="#193">193</a> @Override
+<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> preScannerClose(ObserverContext<RegionCoprocessorEnvironment> e, InternalScanner s) {
+<a class="jxr_linenumber" name="195" href="#195">195</a> <a href="../../../../org/apache/omid/transaction/SnapshotFilterImpl.html">SnapshotFilterImpl</a> snapshotFilter = snapshotFilterMap.get(s);
+<a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">if</strong> (snapshotFilter != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="197" href="#197">197</a> snapshotFilterQueue.add(snapshotFilter);
+<a class="jxr_linenumber" name="198" href="#198">198</a> }
+<a class="jxr_linenumber" name="199" href="#199">199</a> }
+<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>
+<a class="jxr_linenumber" name="203" href="#203">203</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a> getHBaseTransaction(byte[] byteTransaction)
+<a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">throws</strong> InvalidProtocolBufferException {
+<a class="jxr_linenumber" name="205" href="#205">205</a> TSOProto.Transaction transaction = TSOProto.Transaction.parseFrom(byteTransaction);
+<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">long</strong> id = transaction.getTimestamp();
+<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">long</strong> readTs = transaction.getReadTimestamp();
+<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">long</strong> epoch = transaction.getEpoch();
+<a class="jxr_linenumber" name="209" href="#209">209</a> <a href="../../../../org/apache/omid/transaction/AbstractTransaction.html">VisibilityLevel</a> visibilityLevel = VisibilityLevel.fromInteger(transaction.getVisibilityLevel());
+<a class="jxr_linenumber" name="210" href="#210">210</a>
+<a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a>(id, readTs, visibilityLevel, epoch, <strong class="jxr_keyword">new</strong> HashSet<>(), <strong class="jxr_keyword">new</strong> HashSet<>(), <strong class="jxr_keyword">null</strong>);
+<a class="jxr_linenumber" name="212" href="#212">212</a> }
+<a class="jxr_linenumber" name="213" href="#213">213</a>
+<a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">private</strong> CommitTable.Client initAndGetCommitTableClient() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="215" href="#215">215</a> LOG.info(<span class="jxr_string">"Trying to get the commit table client"</span>);
+<a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">if</strong> (inMemoryCommitTable != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="217" href="#217">217</a> <strong class="jxr_keyword">return</strong> inMemoryCommitTable;
+<a class="jxr_linenumber" name="218" href="#218">218</a> }
+<a class="jxr_linenumber" name="219" href="#219">219</a> <a href="../../../../org/apache/omid/committable/CommitTable.html">CommitTable</a> commitTable = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/omid/committable/hbase/HBaseCommitTable.html">HBaseCommitTable</a>(conf, commitTableConf);
+<a class="jxr_linenumber" name="220" href="#220">220</a> CommitTable.Client commitTableClient = commitTable.getClient();
+<a class="jxr_linenumber" name="221" href="#221">221</a> LOG.info(<span class="jxr_string">"Commit table client obtained {}"</span>, commitTableClient.getClass().getCanonicalName());
+<a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">return</strong> commitTableClient;
+<a class="jxr_linenumber" name="223" href="#223">223</a> }
+<a class="jxr_linenumber" name="224" href="#224">224</a>
+<a class="jxr_linenumber" name="225" href="#225">225</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
+</html>
+
http://git-wip-us.apache.org/repos/asf/incubator-omid-site/blob/6826ad03/xref/org/apache/omid/transaction/SnapshotFilter.html
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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>SnapshotFilter xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a href="../../../../../../target/site/apidocs/org/apache/omid/transaction/SnapshotFilter.html">View Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
+<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
+<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.omid.transaction;
+<a class="jxr_linenumber" name="19" href="#19">19</a>
+<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.util.List;
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.Map;
+<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> org.apache.hadoop.hbase.Cell;
+<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Get;
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Result;
+<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.ResultScanner;
+<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Scan;
+<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.omid.committable.CommitTable.CommitTimestamp;
+<a class="jxr_linenumber" name="30" href="#30">30</a>
+<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> com.google.common.base.Optional;
+<a class="jxr_linenumber" name="32" href="#32">32</a>
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">interface</strong> <a href="../../../../org/apache/omid/transaction/SnapshotFilter.html">SnapshotFilter</a> {
+<a class="jxr_linenumber" name="34" href="#34">34</a>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> Result get(Get get, <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a> transaction) <strong class="jxr_keyword">throws</strong> IOException;
+<a class="jxr_linenumber" name="36" href="#36">36</a>
+<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">public</strong> ResultScanner getScanner(Scan scan, <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a> transaction) <strong class="jxr_keyword">throws</strong> IOException;
+<a class="jxr_linenumber" name="38" href="#38">38</a>
+<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">public</strong> List<Cell> filterCellsForSnapshot(List<Cell> rawCells, <a href="../../../../org/apache/omid/transaction/HBaseTransaction.html">HBaseTransaction</a> transaction,
+<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">int</strong> versionsToRequest, Map<String, Long> familyDeletionCache, Map<String,byte[]> attributeMap) <strong class="jxr_keyword">throws</strong> IOException;
+<a class="jxr_linenumber" name="41" href="#41">41</a>
+<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isCommitted(<a href="../../../../org/apache/omid/transaction/HBaseCellId.html">HBaseCellId</a> hBaseCellId, <strong class="jxr_keyword">long</strong> epoch) <strong class="jxr_keyword">throws</strong> TransactionException;
+<a class="jxr_linenumber" name="43" href="#43">43</a>
+<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">public</strong> CommitTimestamp locateCellCommitTimestamp(<strong class="jxr_keyword">long</strong> cellStartTimestamp, <strong class="jxr_keyword">long</strong> epoch,
+<a class="jxr_linenumber" name="45" href="#45">45</a> <a href="../../../../org/apache/omid/transaction/CommitTimestampLocator.html">CommitTimestampLocator</a> locator) <strong class="jxr_keyword">throws</strong> IOException;
+<a class="jxr_linenumber" name="46" href="#46">46</a>
+<a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">public</strong> Optional<CommitTimestamp> readCommitTimestampFromShadowCell(<strong class="jxr_keyword">long</strong> cellStartTimestamp, <a href="../../../../org/apache/omid/transaction/CommitTimestampLocator.html">CommitTimestampLocator</a> locator)
+<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">throws</strong> IOException;
+<a class="jxr_linenumber" name="49" href="#49">49</a>
+<a class="jxr_linenumber" name="50" href="#50">50</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
+</html>
+