hbase-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From st...@apache.org
Subject svn commit: r1465198 [29/41] - in /hbase/hbase.apache.org/trunk: ./ css/ hbase-assembly/ images/ xref-test/ xref-test/org/apache/hadoop/hbase/ xref-test/org/apache/hadoop/hbase/client/ xref-test/org/apache/hadoop/hbase/client/replication/ xref-test/org...
Date Sat, 06 Apr 2013 06:06:09 GMT
Modified: hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html?rev=1465198&r1=1465197&r2=1465198&view=diff
==============================================================================
--- hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html (original)
+++ hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html Sat Apr  6 06:06:07 2013
@@ -35,61 +35,77 @@
 <a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.metrics2.MetricsRecordBuilder;
 <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> java.util.TreeSet;
-<a class="jxr_linenumber" name="28" href="#28">28</a>  
-<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html">MetricsRegionAggregateSourceImpl</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/hadoop/hbase/metrics/BaseSourceImpl.html">BaseSourceImpl</a>
-<a class="jxr_linenumber" name="30" href="#30">30</a>      <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSource.html">MetricsRegionAggregateSource</a> {
-<a class="jxr_linenumber" name="31" href="#31">31</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(<strong class="jxr_keyword">this</strong>.getClass());
-<a class="jxr_linenumber" name="32" href="#32">32</a>  
-<a class="jxr_linenumber" name="33" href="#33">33</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> TreeSet&lt;MetricsRegionSourceImpl&gt; regionSources =
-<a class="jxr_linenumber" name="34" href="#34">34</a>        <strong class="jxr_keyword">new</strong> TreeSet&lt;MetricsRegionSourceImpl&gt;();
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.locks.ReentrantReadWriteLock;
+<a class="jxr_linenumber" name="29" href="#29">29</a>  
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html">MetricsRegionAggregateSourceImpl</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/hadoop/hbase/metrics/BaseSourceImpl.html">BaseSourceImpl</a>
+<a class="jxr_linenumber" name="31" href="#31">31</a>      <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSource.html">MetricsRegionAggregateSource</a> {
+<a class="jxr_linenumber" name="32" href="#32">32</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(<strong class="jxr_keyword">this</strong>.getClass());
+<a class="jxr_linenumber" name="33" href="#33">33</a>    <em class="jxr_comment">// lock to guard against concurrent access to regionSources</em>
+<a class="jxr_linenumber" name="34" href="#34">34</a>    <strong class="jxr_keyword">final</strong> ReentrantReadWriteLock lock = <strong class="jxr_keyword">new</strong> ReentrantReadWriteLock();
 <a class="jxr_linenumber" name="35" href="#35">35</a>  
-<a class="jxr_linenumber" name="36" href="#36">36</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html">MetricsRegionAggregateSourceImpl</a>() {
-<a class="jxr_linenumber" name="37" href="#37">37</a>      <strong class="jxr_keyword">this</strong>(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
-<a class="jxr_linenumber" name="38" href="#38">38</a>    }
-<a class="jxr_linenumber" name="39" href="#39">39</a>  
-<a class="jxr_linenumber" name="40" href="#40">40</a>  
-<a class="jxr_linenumber" name="41" href="#41">41</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html">MetricsRegionAggregateSourceImpl</a>(String metricsName,
-<a class="jxr_linenumber" name="42" href="#42">42</a>                                            String metricsDescription,
-<a class="jxr_linenumber" name="43" href="#43">43</a>                                            String metricsContext,
-<a class="jxr_linenumber" name="44" href="#44">44</a>                                            String metricsJmxContext) {
-<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">super</strong>(metricsName, metricsDescription, metricsContext, metricsJmxContext);
-<a class="jxr_linenumber" name="46" href="#46">46</a>    }
-<a class="jxr_linenumber" name="47" href="#47">47</a>  
-<a class="jxr_linenumber" name="48" href="#48">48</a>    @Override
-<a class="jxr_linenumber" name="49" href="#49">49</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> register(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionSource.html">MetricsRegionSource</a> source) {
-<a class="jxr_linenumber" name="50" href="#50">50</a>      regionSources.add((MetricsRegionSourceImpl) source);
-<a class="jxr_linenumber" name="51" href="#51">51</a>    }
-<a class="jxr_linenumber" name="52" href="#52">52</a>  
-<a class="jxr_linenumber" name="53" href="#53">53</a>    @Override
-<a class="jxr_linenumber" name="54" href="#54">54</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> deregister(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionSource.html">MetricsRegionSource</a> source) {
-<a class="jxr_linenumber" name="55" href="#55">55</a>      regionSources.remove(source);
-<a class="jxr_linenumber" name="56" href="#56">56</a>    }
-<a class="jxr_linenumber" name="57" href="#57">57</a>  
-<a class="jxr_linenumber" name="58" href="#58">58</a>    <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">   * Yes this is a get function that doesn't return anything.  Thanks Hadoop for breaking all</em>
-<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment">   * expectations of java programmers.  Instead of returning anything Hadoop metrics expects</em>
-<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment">   * getMetrics to push the metrics into the metricsBuilder.</em>
-<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">   *</em>
-<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment">   * @param metricsBuilder Builder to accept metrics</em>
-<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment">   * @param all            push all or only changed?</em>
-<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>    @Override
-<a class="jxr_linenumber" name="67" href="#67">67</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> getMetrics(MetricsBuilder metricsBuilder, <strong class="jxr_keyword">boolean</strong> all) {
-<a class="jxr_linenumber" name="68" href="#68">68</a>  
-<a class="jxr_linenumber" name="69" href="#69">69</a>  
-<a class="jxr_linenumber" name="70" href="#70">70</a>      MetricsRecordBuilder mrb = metricsBuilder.addRecord(metricsName)
-<a class="jxr_linenumber" name="71" href="#71">71</a>          .setContext(metricsContext);
-<a class="jxr_linenumber" name="72" href="#72">72</a>  
-<a class="jxr_linenumber" name="73" href="#73">73</a>      <strong class="jxr_keyword">if</strong> (regionSources != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="74" href="#74">74</a>        <strong class="jxr_keyword">for</strong> (MetricsRegionSourceImpl regionMetricSource : regionSources) {
-<a class="jxr_linenumber" name="75" href="#75">75</a>          regionMetricSource.snapshot(mrb, all);
-<a class="jxr_linenumber" name="76" href="#76">76</a>        }
-<a class="jxr_linenumber" name="77" href="#77">77</a>      }
-<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>      metricsRegistry.snapshot(mrb, all);
-<a class="jxr_linenumber" name="81" href="#81">81</a>    }
-<a class="jxr_linenumber" name="82" href="#82">82</a>  }
+<a class="jxr_linenumber" name="36" href="#36">36</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> TreeSet&lt;MetricsRegionSourceImpl&gt; regionSources =
+<a class="jxr_linenumber" name="37" href="#37">37</a>        <strong class="jxr_keyword">new</strong> TreeSet&lt;MetricsRegionSourceImpl&gt;();
+<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> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html">MetricsRegionAggregateSourceImpl</a>() {
+<a class="jxr_linenumber" name="40" href="#40">40</a>      <strong class="jxr_keyword">this</strong>(METRICS_NAME, METRICS_DESCRIPTION, METRICS_CONTEXT, METRICS_JMX_CONTEXT);
+<a class="jxr_linenumber" name="41" href="#41">41</a>    }
+<a class="jxr_linenumber" name="42" href="#42">42</a>  
+<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> <a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionAggregateSourceImpl.html">MetricsRegionAggregateSourceImpl</a>(String metricsName,
+<a class="jxr_linenumber" name="45" href="#45">45</a>                                            String metricsDescription,
+<a class="jxr_linenumber" name="46" href="#46">46</a>                                            String metricsContext,
+<a class="jxr_linenumber" name="47" href="#47">47</a>                                            String metricsJmxContext) {
+<a class="jxr_linenumber" name="48" href="#48">48</a>      <strong class="jxr_keyword">super</strong>(metricsName, metricsDescription, metricsContext, metricsJmxContext);
+<a class="jxr_linenumber" name="49" href="#49">49</a>    }
+<a class="jxr_linenumber" name="50" href="#50">50</a>  
+<a class="jxr_linenumber" name="51" href="#51">51</a>    @Override
+<a class="jxr_linenumber" name="52" href="#52">52</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> register(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionSource.html">MetricsRegionSource</a> source) {
+<a class="jxr_linenumber" name="53" href="#53">53</a>      lock.writeLock().lock();
+<a class="jxr_linenumber" name="54" href="#54">54</a>      <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="55" href="#55">55</a>        regionSources.add((MetricsRegionSourceImpl) source);
+<a class="jxr_linenumber" name="56" href="#56">56</a>      } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="57" href="#57">57</a>        lock.writeLock().unlock();
+<a class="jxr_linenumber" name="58" href="#58">58</a>      }
+<a class="jxr_linenumber" name="59" href="#59">59</a>    }
+<a class="jxr_linenumber" name="60" href="#60">60</a>  
+<a class="jxr_linenumber" name="61" href="#61">61</a>    @Override
+<a class="jxr_linenumber" name="62" href="#62">62</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> deregister(<a href="../../../../../org/apache/hadoop/hbase/regionserver/MetricsRegionSource.html">MetricsRegionSource</a> source) {
+<a class="jxr_linenumber" name="63" href="#63">63</a>      lock.writeLock().lock();
+<a class="jxr_linenumber" name="64" href="#64">64</a>      <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="65" href="#65">65</a>        regionSources.remove(source);
+<a class="jxr_linenumber" name="66" href="#66">66</a>      } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="67" href="#67">67</a>        lock.writeLock().unlock();
+<a class="jxr_linenumber" name="68" href="#68">68</a>      }
+<a class="jxr_linenumber" name="69" href="#69">69</a>    }
+<a class="jxr_linenumber" name="70" href="#70">70</a>  
+<a class="jxr_linenumber" name="71" href="#71">71</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">   * Yes this is a get function that doesn't return anything.  Thanks Hadoop for breaking all</em>
+<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">   * expectations of java programmers.  Instead of returning anything Hadoop metrics expects</em>
+<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">   * getMetrics to push the metrics into the metricsBuilder.</em>
+<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">   *</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment">   * @param metricsBuilder Builder to accept metrics</em>
+<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment">   * @param all            push all or only changed?</em>
+<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="79" href="#79">79</a>    @Override
+<a class="jxr_linenumber" name="80" href="#80">80</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> getMetrics(MetricsBuilder metricsBuilder, <strong class="jxr_keyword">boolean</strong> all) {
+<a class="jxr_linenumber" name="81" href="#81">81</a>  
+<a class="jxr_linenumber" name="82" href="#82">82</a>      MetricsRecordBuilder mrb = metricsBuilder.addRecord(metricsName)
+<a class="jxr_linenumber" name="83" href="#83">83</a>          .setContext(metricsContext);
+<a class="jxr_linenumber" name="84" href="#84">84</a>  
+<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">if</strong> (regionSources != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="86" href="#86">86</a>        lock.readLock().lock();
+<a class="jxr_linenumber" name="87" href="#87">87</a>        <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="88" href="#88">88</a>          <strong class="jxr_keyword">for</strong> (MetricsRegionSourceImpl regionMetricSource : regionSources) {
+<a class="jxr_linenumber" name="89" href="#89">89</a>            regionMetricSource.snapshot(mrb, all);
+<a class="jxr_linenumber" name="90" href="#90">90</a>          }
+<a class="jxr_linenumber" name="91" href="#91">91</a>        } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="92" href="#92">92</a>          lock.readLock().unlock();
+<a class="jxr_linenumber" name="93" href="#93">93</a>        }
+<a class="jxr_linenumber" name="94" href="#94">94</a>      }
+<a class="jxr_linenumber" name="95" href="#95">95</a>  
+<a class="jxr_linenumber" name="96" href="#96">96</a>      metricsRegistry.snapshot(mrb, all);
+<a class="jxr_linenumber" name="97" href="#97">97</a>    }
+<a class="jxr_linenumber" name="98" href="#98">98</a>  }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>

Modified: hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/StoreScanner.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/StoreScanner.html?rev=1465198&r1=1465197&r2=1465198&view=diff
==============================================================================
--- hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/StoreScanner.html (original)
+++ hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/regionserver/StoreScanner.html Sat Apr  6 06:06:07 2013
@@ -398,7 +398,7 @@
 <a class="jxr_linenumber" name="388" href="#388">388</a>     byte[] row = peeked.getBuffer();
 <a class="jxr_linenumber" name="389" href="#389">389</a>     <strong class="jxr_keyword">int</strong> offset = peeked.getRowOffset();
 <a class="jxr_linenumber" name="390" href="#390">390</a>     <strong class="jxr_keyword">short</strong> length = peeked.getRowLength();
-<a class="jxr_linenumber" name="391" href="#391">391</a>     <strong class="jxr_keyword">if</strong> ((matcher.row == <strong class="jxr_keyword">null</strong>) || !Bytes.equals(row, offset, length, matcher.row,
+<a class="jxr_linenumber" name="391" href="#391">391</a>     <strong class="jxr_keyword">if</strong> (limit &lt; 0 || matcher.row == <strong class="jxr_keyword">null</strong> || !Bytes.equals(row, offset, length, matcher.row,
 <a class="jxr_linenumber" name="392" href="#392">392</a>         matcher.rowOffset, matcher.rowLength)) {
 <a class="jxr_linenumber" name="393" href="#393">393</a>       <strong class="jxr_keyword">this</strong>.countPerRow = 0;
 <a class="jxr_linenumber" name="394" href="#394">394</a>       matcher.setRow(row, offset, length);

Modified: hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateImpl.html
URL: http://svn.apache.org/viewvc/hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateImpl.html?rev=1465198&r1=1465197&r2=1465198&view=diff
==============================================================================
--- hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateImpl.html (original)
+++ hbase/hbase.apache.org/trunk/xref/org/apache/hadoop/hbase/replication/ReplicationStateImpl.html Sat Apr  6 06:06:07 2013
@@ -31,149 +31,153 @@
 <a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> com.google.protobuf.InvalidProtocolBufferException;
 <a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
 <a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
-<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.Abortable;
-<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.exceptions.DeserializationException;
-<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.ProtobufUtil;
-<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.ZooKeeperProtos;
-<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZKUtil;
-<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker;
-<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
-<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
-<a class="jxr_linenumber" name="32" href="#32">32</a>  
-<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
-<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicBoolean;
-<a class="jxr_linenumber" name="35" href="#35">35</a>  
-<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * ReplicationStateImpl is responsible for maintaining the replication state</em>
-<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * znode.</em>
-<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="40" href="#40">40</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateImpl</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateInterface.html">ReplicationStateInterface</a> {
-<a class="jxr_linenumber" name="41" href="#41">41</a>  
-<a class="jxr_linenumber" name="42" href="#42">42</a>    <strong class="jxr_keyword">private</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a> stateTracker;
-<a class="jxr_linenumber" name="43" href="#43">43</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String stateZnode;
-<a class="jxr_linenumber" name="44" href="#44">44</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zookeeper;
-<a class="jxr_linenumber" name="45" href="#45">45</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable;
-<a class="jxr_linenumber" name="46" href="#46">46</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicBoolean replicating;
-<a class="jxr_linenumber" name="47" href="#47">47</a>  
-<a class="jxr_linenumber" name="48" href="#48">48</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(ReplicationStateImpl.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="49" href="#49">49</a>  
-<a class="jxr_linenumber" name="50" href="#50">50</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateImpl</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zk, <strong class="jxr_keyword">final</strong> String stateZnode,
-<a class="jxr_linenumber" name="51" href="#51">51</a>        <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable, <strong class="jxr_keyword">final</strong> AtomicBoolean replicating) {
-<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">this</strong>.zookeeper = zk;
-<a class="jxr_linenumber" name="53" href="#53">53</a>      <strong class="jxr_keyword">this</strong>.stateZnode = stateZnode;
-<a class="jxr_linenumber" name="54" href="#54">54</a>      <strong class="jxr_keyword">this</strong>.abortable = abortable;
-<a class="jxr_linenumber" name="55" href="#55">55</a>      <strong class="jxr_keyword">this</strong>.replicating = replicating;
-<a class="jxr_linenumber" name="56" href="#56">56</a>  
-<a class="jxr_linenumber" name="57" href="#57">57</a>      <em class="jxr_comment">// Set a tracker on replicationStateNode</em>
-<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">this</strong>.stateTracker = <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a>(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.stateZnode,
-<a class="jxr_linenumber" name="59" href="#59">59</a>          <strong class="jxr_keyword">this</strong>.abortable);
-<a class="jxr_linenumber" name="60" href="#60">60</a>      stateTracker.start();
-<a class="jxr_linenumber" name="61" href="#61">61</a>      readReplicationStateZnode();
-<a class="jxr_linenumber" name="62" href="#62">62</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">public</strong> <strong class="jxr_keyword">boolean</strong> getState() <strong class="jxr_keyword">throws</strong> KeeperException {
-<a class="jxr_linenumber" name="65" href="#65">65</a>      <strong class="jxr_keyword">return</strong> getReplication();
-<a class="jxr_linenumber" name="66" href="#66">66</a>    }
-<a class="jxr_linenumber" name="67" href="#67">67</a>  
-<a class="jxr_linenumber" name="68" href="#68">68</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setState(<strong class="jxr_keyword">boolean</strong> newState) <strong class="jxr_keyword">throws</strong> KeeperException {
-<a class="jxr_linenumber" name="69" href="#69">69</a>      setReplicating(newState);
-<a class="jxr_linenumber" name="70" href="#70">70</a>    }
-<a class="jxr_linenumber" name="71" href="#71">71</a>  
-<a class="jxr_linenumber" name="72" href="#72">72</a>    @Override
-<a class="jxr_linenumber" name="73" href="#73">73</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="74" href="#74">74</a>      <strong class="jxr_keyword">if</strong> (stateTracker != <strong class="jxr_keyword">null</strong>) stateTracker.stop();
-<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>    <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">   * @param bytes</em>
-<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">   * @return True if the passed in &lt;code&gt;bytes&lt;/code&gt; are those of a pb</em>
-<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">   *         serialized ENABLED state.</em>
-<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">   * @throws DeserializationException</em>
-<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="83" href="#83">83</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isStateEnabled(<strong class="jxr_keyword">final</strong> byte[] bytes) <strong class="jxr_keyword">throws</strong> DeserializationException {
-<a class="jxr_linenumber" name="84" href="#84">84</a>      ZooKeeperProtos.ReplicationState.State state = parseStateFrom(bytes);
-<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">return</strong> ZooKeeperProtos.ReplicationState.State.ENABLED == state;
-<a class="jxr_linenumber" name="86" href="#86">86</a>    }
-<a class="jxr_linenumber" name="87" href="#87">87</a>  
-<a class="jxr_linenumber" name="88" href="#88">88</a>    <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">   * @param bytes Content of a state znode.</em>
-<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">   * @return State parsed from the passed bytes.</em>
-<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment">   * @throws DeserializationException</em>
-<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="93" href="#93">93</a>    <strong class="jxr_keyword">private</strong> ZooKeeperProtos.ReplicationState.State parseStateFrom(<strong class="jxr_keyword">final</strong> byte[] bytes)
-<a class="jxr_linenumber" name="94" href="#94">94</a>        <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html">DeserializationException</a> {
-<a class="jxr_linenumber" name="95" href="#95">95</a>      ProtobufUtil.expectPBMagicPrefix(bytes);
-<a class="jxr_linenumber" name="96" href="#96">96</a>      <strong class="jxr_keyword">int</strong> pblen = ProtobufUtil.lengthOfPBMagic();
-<a class="jxr_linenumber" name="97" href="#97">97</a>      ZooKeeperProtos.ReplicationState.Builder builder = ZooKeeperProtos.ReplicationState
-<a class="jxr_linenumber" name="98" href="#98">98</a>          .newBuilder();
-<a class="jxr_linenumber" name="99" href="#99">99</a>      ZooKeeperProtos.ReplicationState state;
-<a class="jxr_linenumber" name="100" href="#100">100</a>     <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="101" href="#101">101</a>       state = builder.mergeFrom(bytes, pblen, bytes.length - pblen).build();
-<a class="jxr_linenumber" name="102" href="#102">102</a>       <strong class="jxr_keyword">return</strong> state.getState();
-<a class="jxr_linenumber" name="103" href="#103">103</a>     } <strong class="jxr_keyword">catch</strong> (InvalidProtocolBufferException e) {
-<a class="jxr_linenumber" name="104" href="#104">104</a>       <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html">DeserializationException</a>(e);
-<a class="jxr_linenumber" name="105" href="#105">105</a>     }
-<a class="jxr_linenumber" name="106" href="#106">106</a>   }
-<a class="jxr_linenumber" name="107" href="#107">107</a> 
-<a class="jxr_linenumber" name="108" href="#108">108</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment">   * Set the new replication state for this cluster</em>
-<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">   * @param newState</em>
-<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="112" href="#112">112</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> setReplicating(<strong class="jxr_keyword">boolean</strong> newState) <strong class="jxr_keyword">throws</strong> KeeperException {
-<a class="jxr_linenumber" name="113" href="#113">113</a>     ZKUtil.createWithParents(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.stateZnode);
-<a class="jxr_linenumber" name="114" href="#114">114</a>     byte[] stateBytes = (newState == <strong class="jxr_keyword">true</strong>) ? ReplicationZookeeper.ENABLED_ZNODE_BYTES
-<a class="jxr_linenumber" name="115" href="#115">115</a>         : ReplicationZookeeper.DISABLED_ZNODE_BYTES;
-<a class="jxr_linenumber" name="116" href="#116">116</a>     ZKUtil.setData(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.stateZnode, stateBytes);
-<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>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">   * Get the replication status of this cluster. If the state znode doesn't</em>
-<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">   * exist it will also create it and set it true.</em>
-<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">   * @return returns true when it's enabled, else false</em>
-<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">   * @throws KeeperException</em>
-<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="125" href="#125">125</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> getReplication() <strong class="jxr_keyword">throws</strong> KeeperException {
-<a class="jxr_linenumber" name="126" href="#126">126</a>     byte[] data = <strong class="jxr_keyword">this</strong>.stateTracker.getData(false);
-<a class="jxr_linenumber" name="127" href="#127">127</a>     <strong class="jxr_keyword">if</strong> (data == <strong class="jxr_keyword">null</strong> || data.length == 0) {
-<a class="jxr_linenumber" name="128" href="#128">128</a>       setReplicating(<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="129" href="#129">129</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="130" href="#130">130</a>     }
-<a class="jxr_linenumber" name="131" href="#131">131</a>     <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="132" href="#132">132</a>       <strong class="jxr_keyword">return</strong> isStateEnabled(data);
-<a class="jxr_linenumber" name="133" href="#133">133</a>     } <strong class="jxr_keyword">catch</strong> (DeserializationException e) {
-<a class="jxr_linenumber" name="134" href="#134">134</a>       <strong class="jxr_keyword">throw</strong> ZKUtil.convert(e);
-<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> 
-<a class="jxr_linenumber" name="138" href="#138">138</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">   * This reads the state znode for replication and sets the atomic boolean</em>
-<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="141" href="#141">141</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> readReplicationStateZnode() {
-<a class="jxr_linenumber" name="142" href="#142">142</a>     <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="143" href="#143">143</a>       <strong class="jxr_keyword">this</strong>.replicating.set(getReplication());
-<a class="jxr_linenumber" name="144" href="#144">144</a>       LOG.info(<span class="jxr_string">"Replication is now "</span> + (<strong class="jxr_keyword">this</strong>.replicating.get() ? <span class="jxr_string">"started"</span> : <span class="jxr_string">"stopped"</span>));
-<a class="jxr_linenumber" name="145" href="#145">145</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
-<a class="jxr_linenumber" name="146" href="#146">146</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed getting data on from "</span> + <strong class="jxr_keyword">this</strong>.stateZnode, e);
-<a class="jxr_linenumber" name="147" href="#147">147</a>     }
-<a class="jxr_linenumber" name="148" href="#148">148</a>   }
-<a class="jxr_linenumber" name="149" href="#149">149</a> 
-<a class="jxr_linenumber" name="150" href="#150">150</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment">   * Tracker for status of the replication</em>
-<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="153" href="#153">153</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperNodeTracker.html">ZooKeeperNodeTracker</a> {
-<a class="jxr_linenumber" name="154" href="#154">154</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> watcher, String stateZnode, <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable) {
-<a class="jxr_linenumber" name="155" href="#155">155</a>       <strong class="jxr_keyword">super</strong>(watcher, stateZnode, abortable);
-<a class="jxr_linenumber" name="156" href="#156">156</a>     }
-<a class="jxr_linenumber" name="157" href="#157">157</a> 
-<a class="jxr_linenumber" name="158" href="#158">158</a>     @Override
-<a class="jxr_linenumber" name="159" href="#159">159</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> nodeDataChanged(String path) {
-<a class="jxr_linenumber" name="160" href="#160">160</a>       <strong class="jxr_keyword">if</strong> (path.equals(node)) {
-<a class="jxr_linenumber" name="161" href="#161">161</a>         <strong class="jxr_keyword">super</strong>.nodeDataChanged(path);
-<a class="jxr_linenumber" name="162" href="#162">162</a>         readReplicationStateZnode();
-<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>   }
-<a class="jxr_linenumber" name="166" href="#166">166</a> }
+<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.Abortable;
+<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.exceptions.DeserializationException;
+<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.ProtobufUtil;
+<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.ZooKeeperProtos;
+<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZKUtil;
+<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker;
+<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher;
+<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.apache.zookeeper.KeeperException;
+<a class="jxr_linenumber" name="33" href="#33">33</a>  
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicBoolean;
+<a class="jxr_linenumber" name="36" href="#36">36</a>  
+<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * ReplicationStateImpl is responsible for maintaining the replication state</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * znode.</em>
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateImpl</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateZKBase.html">ReplicationStateZKBase</a> <strong class="jxr_keyword">implements</strong>
+<a class="jxr_linenumber" name="42" href="#42">42</a>      <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateInterface.html">ReplicationStateInterface</a> {
+<a class="jxr_linenumber" name="43" href="#43">43</a>  
+<a class="jxr_linenumber" name="44" href="#44">44</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a> stateTracker;
+<a class="jxr_linenumber" name="45" href="#45">45</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicBoolean replicating;
+<a class="jxr_linenumber" name="46" href="#46">46</a>  
+<a class="jxr_linenumber" name="47" href="#47">47</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(ReplicationStateImpl.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="48" href="#48">48</a>  
+<a class="jxr_linenumber" name="49" href="#49">49</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateImpl</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zk, <strong class="jxr_keyword">final</strong> Configuration conf,
+<a class="jxr_linenumber" name="50" href="#50">50</a>        <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable, <strong class="jxr_keyword">final</strong> AtomicBoolean replicating) {
+<a class="jxr_linenumber" name="51" href="#51">51</a>      <strong class="jxr_keyword">super</strong>(zk, conf, abortable);
+<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">this</strong>.replicating = replicating;
+<a class="jxr_linenumber" name="53" href="#53">53</a>  
+<a class="jxr_linenumber" name="54" href="#54">54</a>      <em class="jxr_comment">// Set a tracker on replicationStateNode</em>
+<a class="jxr_linenumber" name="55" href="#55">55</a>      <strong class="jxr_keyword">this</strong>.stateTracker =
+<a class="jxr_linenumber" name="56" href="#56">56</a>          <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a>(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.stateZNode, <strong class="jxr_keyword">this</strong>.abortable);
+<a class="jxr_linenumber" name="57" href="#57">57</a>      stateTracker.start();
+<a class="jxr_linenumber" name="58" href="#58">58</a>      readReplicationStateZnode();
+<a class="jxr_linenumber" name="59" href="#59">59</a>    }
+<a class="jxr_linenumber" name="60" href="#60">60</a>  
+<a class="jxr_linenumber" name="61" href="#61">61</a>    <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateImpl</a>(<strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> zk, <strong class="jxr_keyword">final</strong> Configuration conf,
+<a class="jxr_linenumber" name="62" href="#62">62</a>        <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable) {
+<a class="jxr_linenumber" name="63" href="#63">63</a>      <strong class="jxr_keyword">this</strong>(zk, conf, abortable, <strong class="jxr_keyword">new</strong> AtomicBoolean());
+<a class="jxr_linenumber" name="64" href="#64">64</a>    }
+<a class="jxr_linenumber" name="65" href="#65">65</a>  
+<a class="jxr_linenumber" name="66" href="#66">66</a>    @Override
+<a class="jxr_linenumber" name="67" href="#67">67</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> getState() <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="68" href="#68">68</a>      <strong class="jxr_keyword">return</strong> getReplication();
+<a class="jxr_linenumber" name="69" href="#69">69</a>    }
+<a class="jxr_linenumber" name="70" href="#70">70</a>  
+<a class="jxr_linenumber" name="71" href="#71">71</a>    @Override
+<a class="jxr_linenumber" name="72" href="#72">72</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setState(<strong class="jxr_keyword">boolean</strong> newState) <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="73" href="#73">73</a>      setReplicating(newState);
+<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> close() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="78" href="#78">78</a>      <strong class="jxr_keyword">if</strong> (stateTracker != <strong class="jxr_keyword">null</strong>) stateTracker.stop();
+<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>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment">   * @param bytes</em>
+<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">   * @return True if the passed in &lt;code&gt;bytes&lt;/code&gt; are those of a pb</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">   *         serialized ENABLED state.</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment">   * @throws DeserializationException</em>
+<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="87" href="#87">87</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isStateEnabled(<strong class="jxr_keyword">final</strong> byte[] bytes) <strong class="jxr_keyword">throws</strong> DeserializationException {
+<a class="jxr_linenumber" name="88" href="#88">88</a>      ZooKeeperProtos.ReplicationState.State state = parseStateFrom(bytes);
+<a class="jxr_linenumber" name="89" href="#89">89</a>      <strong class="jxr_keyword">return</strong> ZooKeeperProtos.ReplicationState.State.ENABLED == state;
+<a class="jxr_linenumber" name="90" href="#90">90</a>    }
+<a class="jxr_linenumber" name="91" href="#91">91</a>  
+<a class="jxr_linenumber" name="92" href="#92">92</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment">   * @param bytes Content of a state znode.</em>
+<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment">   * @return State parsed from the passed bytes.</em>
+<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment">   * @throws DeserializationException</em>
+<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="97" href="#97">97</a>    <strong class="jxr_keyword">private</strong> ZooKeeperProtos.ReplicationState.State parseStateFrom(<strong class="jxr_keyword">final</strong> byte[] bytes)
+<a class="jxr_linenumber" name="98" href="#98">98</a>        <strong class="jxr_keyword">throws</strong> <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html">DeserializationException</a> {
+<a class="jxr_linenumber" name="99" href="#99">99</a>      ProtobufUtil.expectPBMagicPrefix(bytes);
+<a class="jxr_linenumber" name="100" href="#100">100</a>     <strong class="jxr_keyword">int</strong> pblen = ProtobufUtil.lengthOfPBMagic();
+<a class="jxr_linenumber" name="101" href="#101">101</a>     ZooKeeperProtos.ReplicationState.Builder builder = ZooKeeperProtos.ReplicationState
+<a class="jxr_linenumber" name="102" href="#102">102</a>         .newBuilder();
+<a class="jxr_linenumber" name="103" href="#103">103</a>     ZooKeeperProtos.ReplicationState state;
+<a class="jxr_linenumber" name="104" href="#104">104</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="105" href="#105">105</a>       state = builder.mergeFrom(bytes, pblen, bytes.length - pblen).build();
+<a class="jxr_linenumber" name="106" href="#106">106</a>       <strong class="jxr_keyword">return</strong> state.getState();
+<a class="jxr_linenumber" name="107" href="#107">107</a>     } <strong class="jxr_keyword">catch</strong> (InvalidProtocolBufferException e) {
+<a class="jxr_linenumber" name="108" href="#108">108</a>       <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../org/apache/hadoop/hbase/exceptions/DeserializationException.html">DeserializationException</a>(e);
+<a class="jxr_linenumber" name="109" href="#109">109</a>     }
+<a class="jxr_linenumber" name="110" href="#110">110</a>   }
+<a class="jxr_linenumber" name="111" href="#111">111</a> 
+<a class="jxr_linenumber" name="112" href="#112">112</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment">   * Set the new replication state for this cluster</em>
+<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment">   * @param newState</em>
+<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="116" href="#116">116</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> setReplicating(<strong class="jxr_keyword">boolean</strong> newState) <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="117" href="#117">117</a>     ZKUtil.createWithParents(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.stateZNode);
+<a class="jxr_linenumber" name="118" href="#118">118</a>     byte[] stateBytes = (newState == <strong class="jxr_keyword">true</strong>) ? ReplicationZookeeper.ENABLED_ZNODE_BYTES
+<a class="jxr_linenumber" name="119" href="#119">119</a>         : ReplicationZookeeper.DISABLED_ZNODE_BYTES;
+<a class="jxr_linenumber" name="120" href="#120">120</a>     ZKUtil.setData(<strong class="jxr_keyword">this</strong>.zookeeper, <strong class="jxr_keyword">this</strong>.stateZNode, stateBytes);
+<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>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment">   * Get the replication status of this cluster. If the state znode doesn't</em>
+<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment">   * exist it will also create it and set it true.</em>
+<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment">   * @return returns true when it's enabled, else false</em>
+<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment">   * @throws KeeperException</em>
+<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="129" href="#129">129</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> getReplication() <strong class="jxr_keyword">throws</strong> KeeperException {
+<a class="jxr_linenumber" name="130" href="#130">130</a>     byte[] data = <strong class="jxr_keyword">this</strong>.stateTracker.getData(false);
+<a class="jxr_linenumber" name="131" href="#131">131</a>     <strong class="jxr_keyword">if</strong> (data == <strong class="jxr_keyword">null</strong> || data.length == 0) {
+<a class="jxr_linenumber" name="132" href="#132">132</a>       setReplicating(<strong class="jxr_keyword">true</strong>);
+<a class="jxr_linenumber" name="133" href="#133">133</a>       <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="134" href="#134">134</a>     }
+<a class="jxr_linenumber" name="135" href="#135">135</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="136" href="#136">136</a>       <strong class="jxr_keyword">return</strong> isStateEnabled(data);
+<a class="jxr_linenumber" name="137" href="#137">137</a>     } <strong class="jxr_keyword">catch</strong> (DeserializationException e) {
+<a class="jxr_linenumber" name="138" href="#138">138</a>       <strong class="jxr_keyword">throw</strong> ZKUtil.convert(e);
+<a class="jxr_linenumber" name="139" href="#139">139</a>     }
+<a class="jxr_linenumber" name="140" href="#140">140</a>   }
+<a class="jxr_linenumber" name="141" href="#141">141</a> 
+<a class="jxr_linenumber" name="142" href="#142">142</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">   * This reads the state znode for replication and sets the atomic boolean</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="145" href="#145">145</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> readReplicationStateZnode() {
+<a class="jxr_linenumber" name="146" href="#146">146</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="147" href="#147">147</a>       <strong class="jxr_keyword">this</strong>.replicating.set(getReplication());
+<a class="jxr_linenumber" name="148" href="#148">148</a>       LOG.info(<span class="jxr_string">"Replication is now "</span> + (<strong class="jxr_keyword">this</strong>.replicating.get() ? <span class="jxr_string">"started"</span> : <span class="jxr_string">"stopped"</span>));
+<a class="jxr_linenumber" name="149" href="#149">149</a>     } <strong class="jxr_keyword">catch</strong> (KeeperException e) {
+<a class="jxr_linenumber" name="150" href="#150">150</a>       <strong class="jxr_keyword">this</strong>.abortable.abort(<span class="jxr_string">"Failed getting data on from "</span> + <strong class="jxr_keyword">this</strong>.stateZNode, e);
+<a class="jxr_linenumber" name="151" href="#151">151</a>     }
+<a class="jxr_linenumber" name="152" href="#152">152</a>   }
+<a class="jxr_linenumber" name="153" href="#153">153</a> 
+<a class="jxr_linenumber" name="154" href="#154">154</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="155" href="#155">155</a> <em class="jxr_javadoccomment">   * Tracker for status of the replication</em>
+<a class="jxr_linenumber" name="156" href="#156">156</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="157" href="#157">157</a>   <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperNodeTracker.html">ZooKeeperNodeTracker</a> {
+<a class="jxr_linenumber" name="158" href="#158">158</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/hadoop/hbase/replication/ReplicationStateImpl.html">ReplicationStateTracker</a>(<a href="../../../../../org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.html">ZooKeeperWatcher</a> watcher, String stateZnode, <a href="../../../../../org/apache/hadoop/hbase/Abortable.html">Abortable</a> abortable) {
+<a class="jxr_linenumber" name="159" href="#159">159</a>       <strong class="jxr_keyword">super</strong>(watcher, stateZnode, abortable);
+<a class="jxr_linenumber" name="160" href="#160">160</a>     }
+<a class="jxr_linenumber" name="161" href="#161">161</a> 
+<a class="jxr_linenumber" name="162" href="#162">162</a>     @Override
+<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> nodeDataChanged(String path) {
+<a class="jxr_linenumber" name="164" href="#164">164</a>       <strong class="jxr_keyword">if</strong> (path.equals(node)) {
+<a class="jxr_linenumber" name="165" href="#165">165</a>         <strong class="jxr_keyword">super</strong>.nodeDataChanged(path);
+<a class="jxr_linenumber" name="166" href="#166">166</a>         readReplicationStateZnode();
+<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> }
 </pre>
 <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
 </html>



Mime
View raw message