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From git-site-r...@apache.org
Subject [31/51] [partial] hbase-site git commit: Published site at .
Date Sat, 14 Oct 2017 15:16:13 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7816cbde/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.html
index 65a31ce..7551292 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.html
@@ -36,333 +36,414 @@
 <span class="sourceLineNo">028</span>import org.apache.commons.logging.Log;<a name="line.28"></a>
 <span class="sourceLineNo">029</span>import org.apache.commons.logging.LogFactory;<a name="line.29"></a>
 <span class="sourceLineNo">030</span>import org.apache.hadoop.conf.Configuration;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileSystem;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.Path;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.TableName;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.backup.BackupCopyJob;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.backup.BackupInfo;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.backup.BackupType;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.backup.impl.BackupManager;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.backup.util.BackupUtils;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.snapshot.ExportSnapshot;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.mapreduce.Cluster;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.mapreduce.Counters;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.mapreduce.Job;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.mapreduce.JobID;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.tools.DistCp;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.tools.DistCpConstants;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.tools.DistCpOptions;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.zookeeper.KeeperException.NoNodeException;<a name="line.48"></a>
-<span class="sourceLineNo">049</span><a name="line.49"></a>
-<span class="sourceLineNo">050</span>/**<a name="line.50"></a>
-<span class="sourceLineNo">051</span> * Map-Reduce implementation of {@link BackupCopyJob}. Basically, there are 2 types of copy<a name="line.51"></a>
-<span class="sourceLineNo">052</span> * operation: one is copying from snapshot, which bases on extending ExportSnapshot's function, the<a name="line.52"></a>
-<span class="sourceLineNo">053</span> * other is copying for incremental log files, which bases on extending DistCp's function.<a name="line.53"></a>
-<span class="sourceLineNo">054</span> */<a name="line.54"></a>
-<span class="sourceLineNo">055</span>@InterfaceAudience.Private<a name="line.55"></a>
-<span class="sourceLineNo">056</span>public class MapReduceBackupCopyJob implements BackupCopyJob {<a name="line.56"></a>
-<span class="sourceLineNo">057</span>  private static final Log LOG = LogFactory.getLog(MapReduceBackupCopyJob.class);<a name="line.57"></a>
-<span class="sourceLineNo">058</span><a name="line.58"></a>
-<span class="sourceLineNo">059</span>  private Configuration conf;<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>  // Accumulated progress within the whole backup process for the copy operation<a name="line.61"></a>
-<span class="sourceLineNo">062</span>  private float progressDone = 0.1f;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>  private long bytesCopied = 0;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>  private static float INIT_PROGRESS = 0.1f;<a name="line.64"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.fs.FileStatus;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.fs.FileSystem;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.hadoop.fs.Path;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.backup.BackupCopyJob;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.backup.BackupInfo;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.backup.BackupType;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.backup.impl.BackupManager;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.backup.util.BackupUtils;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.snapshot.ExportSnapshot;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.io.SequenceFile;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.io.Text;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.mapreduce.Cluster;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.mapreduce.Counters;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.mapreduce.Job;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.mapreduce.JobID;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.tools.CopyListingFileStatus;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.tools.DistCp;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.tools.DistCpConstants;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.tools.DistCpOptions;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.zookeeper.KeeperException.NoNodeException;<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>/**<a name="line.54"></a>
+<span class="sourceLineNo">055</span> * Map-Reduce implementation of {@link BackupCopyJob}. Basically, there are 2 types of copy<a name="line.55"></a>
+<span class="sourceLineNo">056</span> * operation: one is copying from snapshot, which bases on extending ExportSnapshot's function, the<a name="line.56"></a>
+<span class="sourceLineNo">057</span> * other is copying for incremental log files, which bases on extending DistCp's function.<a name="line.57"></a>
+<span class="sourceLineNo">058</span> */<a name="line.58"></a>
+<span class="sourceLineNo">059</span>@InterfaceAudience.Private<a name="line.59"></a>
+<span class="sourceLineNo">060</span>public class MapReduceBackupCopyJob implements BackupCopyJob {<a name="line.60"></a>
+<span class="sourceLineNo">061</span>  public static final String NUMBER_OF_LEVELS_TO_PRESERVE_KEY = "num.levels.preserve";<a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private static final Log LOG = LogFactory.getLog(MapReduceBackupCopyJob.class);<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  private Configuration conf;<a name="line.64"></a>
 <span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span>  // The percentage of the current copy task within the whole task if multiple time copies are<a name="line.66"></a>
-<span class="sourceLineNo">067</span>  // needed. The default value is 100%, which means only 1 copy task for the whole.<a name="line.67"></a>
-<span class="sourceLineNo">068</span>  private float subTaskPercntgInWholeTask = 1f;<a name="line.68"></a>
-<span class="sourceLineNo">069</span><a name="line.69"></a>
-<span class="sourceLineNo">070</span>  public MapReduceBackupCopyJob() {<a name="line.70"></a>
-<span class="sourceLineNo">071</span>  }<a name="line.71"></a>
-<span class="sourceLineNo">072</span><a name="line.72"></a>
-<span class="sourceLineNo">073</span>  @Override<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  public Configuration getConf() {<a name="line.74"></a>
-<span class="sourceLineNo">075</span>    return conf;<a name="line.75"></a>
+<span class="sourceLineNo">066</span>  // Accumulated progress within the whole backup process for the copy operation<a name="line.66"></a>
+<span class="sourceLineNo">067</span>  private float progressDone = 0.1f;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private long bytesCopied = 0;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  private static float INIT_PROGRESS = 0.1f;<a name="line.69"></a>
+<span class="sourceLineNo">070</span><a name="line.70"></a>
+<span class="sourceLineNo">071</span>  // The percentage of the current copy task within the whole task if multiple time copies are<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  // needed. The default value is 100%, which means only 1 copy task for the whole.<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  private float subTaskPercntgInWholeTask = 1f;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span>  public MapReduceBackupCopyJob() {<a name="line.75"></a>
 <span class="sourceLineNo">076</span>  }<a name="line.76"></a>
 <span class="sourceLineNo">077</span><a name="line.77"></a>
 <span class="sourceLineNo">078</span>  @Override<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  public void setConf(Configuration conf) {<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    this.conf = conf;<a name="line.80"></a>
+<span class="sourceLineNo">079</span>  public Configuration getConf() {<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    return conf;<a name="line.80"></a>
 <span class="sourceLineNo">081</span>  }<a name="line.81"></a>
 <span class="sourceLineNo">082</span><a name="line.82"></a>
-<span class="sourceLineNo">083</span>  /**<a name="line.83"></a>
-<span class="sourceLineNo">084</span>   * Get the current copy task percentage within the whole task if multiple copies are needed.<a name="line.84"></a>
-<span class="sourceLineNo">085</span>   * @return the current copy task percentage<a name="line.85"></a>
-<span class="sourceLineNo">086</span>   */<a name="line.86"></a>
-<span class="sourceLineNo">087</span>  public float getSubTaskPercntgInWholeTask() {<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    return subTaskPercntgInWholeTask;<a name="line.88"></a>
-<span class="sourceLineNo">089</span>  }<a name="line.89"></a>
-<span class="sourceLineNo">090</span><a name="line.90"></a>
-<span class="sourceLineNo">091</span>  /**<a name="line.91"></a>
-<span class="sourceLineNo">092</span>   * Set the current copy task percentage within the whole task if multiple copies are needed. Must<a name="line.92"></a>
-<span class="sourceLineNo">093</span>   * be called before calling<a name="line.93"></a>
-<span class="sourceLineNo">094</span>   * {@link #copy(BackupInfo, BackupManager, Configuration, BackupType, String[])}<a name="line.94"></a>
-<span class="sourceLineNo">095</span>   * @param subTaskPercntgInWholeTask The percentage of the copy subtask<a name="line.95"></a>
-<span class="sourceLineNo">096</span>   */<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  public void setSubTaskPercntgInWholeTask(float subTaskPercntgInWholeTask) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    this.subTaskPercntgInWholeTask = subTaskPercntgInWholeTask;<a name="line.98"></a>
-<span class="sourceLineNo">099</span>  }<a name="line.99"></a>
-<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span>  static class SnapshotCopy extends ExportSnapshot {<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    private BackupInfo backupInfo;<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    private TableName table;<a name="line.103"></a>
-<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span>    public SnapshotCopy(BackupInfo backupInfo, TableName table) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span>      super();<a name="line.106"></a>
-<span class="sourceLineNo">107</span>      this.backupInfo = backupInfo;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>      this.table = table;<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
-<span class="sourceLineNo">110</span><a name="line.110"></a>
-<span class="sourceLineNo">111</span>    public TableName getTable() {<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      return this.table;<a name="line.112"></a>
-<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span>    public BackupInfo getBackupInfo() {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>      return this.backupInfo;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    }<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  }<a name="line.118"></a>
+<span class="sourceLineNo">083</span>  @Override<a name="line.83"></a>
+<span class="sourceLineNo">084</span>  public void setConf(Configuration conf) {<a name="line.84"></a>
+<span class="sourceLineNo">085</span>    this.conf = conf;<a name="line.85"></a>
+<span class="sourceLineNo">086</span>  }<a name="line.86"></a>
+<span class="sourceLineNo">087</span><a name="line.87"></a>
+<span class="sourceLineNo">088</span>  /**<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * Get the current copy task percentage within the whole task if multiple copies are needed.<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   * @return the current copy task percentage<a name="line.90"></a>
+<span class="sourceLineNo">091</span>   */<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  public float getSubTaskPercntgInWholeTask() {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    return subTaskPercntgInWholeTask;<a name="line.93"></a>
+<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
+<span class="sourceLineNo">095</span><a name="line.95"></a>
+<span class="sourceLineNo">096</span>  /**<a name="line.96"></a>
+<span class="sourceLineNo">097</span>   * Set the current copy task percentage within the whole task if multiple copies are needed. Must<a name="line.97"></a>
+<span class="sourceLineNo">098</span>   * be called before calling<a name="line.98"></a>
+<span class="sourceLineNo">099</span>   * {@link #copy(BackupInfo, BackupManager, Configuration, BackupType, String[])}<a name="line.99"></a>
+<span class="sourceLineNo">100</span>   * @param subTaskPercntgInWholeTask The percentage of the copy subtask<a name="line.100"></a>
+<span class="sourceLineNo">101</span>   */<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  public void setSubTaskPercntgInWholeTask(float subTaskPercntgInWholeTask) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span>    this.subTaskPercntgInWholeTask = subTaskPercntgInWholeTask;<a name="line.103"></a>
+<span class="sourceLineNo">104</span>  }<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span>  static class SnapshotCopy extends ExportSnapshot {<a name="line.106"></a>
+<span class="sourceLineNo">107</span>    private BackupInfo backupInfo;<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    private TableName table;<a name="line.108"></a>
+<span class="sourceLineNo">109</span><a name="line.109"></a>
+<span class="sourceLineNo">110</span>    public SnapshotCopy(BackupInfo backupInfo, TableName table) {<a name="line.110"></a>
+<span class="sourceLineNo">111</span>      super();<a name="line.111"></a>
+<span class="sourceLineNo">112</span>      this.backupInfo = backupInfo;<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      this.table = table;<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    }<a name="line.114"></a>
+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span>    public TableName getTable() {<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      return this.table;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    }<a name="line.118"></a>
 <span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span>  /**<a name="line.120"></a>
-<span class="sourceLineNo">121</span>   * Update the ongoing backup with new progress.<a name="line.121"></a>
-<span class="sourceLineNo">122</span>   * @param backupInfo backup info<a name="line.122"></a>
-<span class="sourceLineNo">123</span>   * @param newProgress progress<a name="line.123"></a>
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-<span class="sourceLineNo">125</span>   * @throws NoNodeException exception<a name="line.125"></a>
-<span class="sourceLineNo">126</span>   */<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  static void updateProgress(BackupInfo backupInfo, BackupManager backupManager,<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      int newProgress, long bytesCopied) throws IOException {<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    // compose the new backup progress data, using fake number for now<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    String backupProgressData = newProgress + "%";<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>    backupInfo.setProgress(newProgress);<a name="line.132"></a>
-<span class="sourceLineNo">133</span>    backupManager.updateBackupInfo(backupInfo);<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    LOG.debug("Backup progress data \"" + backupProgressData<a name="line.134"></a>
-<span class="sourceLineNo">135</span>        + "\" has been updated to backup system table for " + backupInfo.getBackupId());<a name="line.135"></a>
-<span class="sourceLineNo">136</span>  }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span>  /**<a name="line.138"></a>
-<span class="sourceLineNo">139</span>   * Extends DistCp for progress updating to backup system table<a name="line.139"></a>
-<span class="sourceLineNo">140</span>   * during backup. Using DistCpV2 (MAPREDUCE-2765).<a name="line.140"></a>
-<span class="sourceLineNo">141</span>   * Simply extend it and override execute() method to get the<a name="line.141"></a>
-<span class="sourceLineNo">142</span>   * Job reference for progress updating.<a name="line.142"></a>
-<span class="sourceLineNo">143</span>   * Only the argument "src1, [src2, [...]] dst" is supported,<a name="line.143"></a>
-<span class="sourceLineNo">144</span>   * no more DistCp options.<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   */<a name="line.145"></a>
-<span class="sourceLineNo">146</span>  class BackupDistCp extends DistCp {<a name="line.146"></a>
-<span class="sourceLineNo">147</span><a name="line.147"></a>
-<span class="sourceLineNo">148</span>    private BackupInfo backupInfo;<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    private BackupManager backupManager;<a name="line.149"></a>
-<span class="sourceLineNo">150</span><a name="line.150"></a>
-<span class="sourceLineNo">151</span>    public BackupDistCp(Configuration conf, DistCpOptions options, BackupInfo backupInfo,<a name="line.151"></a>
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-<span class="sourceLineNo">153</span>      super(conf, options);<a name="line.153"></a>
-<span class="sourceLineNo">154</span>      this.backupInfo = backupInfo;<a name="line.154"></a>
-<span class="sourceLineNo">155</span>      this.backupManager = backupManager;<a name="line.155"></a>
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-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span><a name="line.158"></a>
-<span class="sourceLineNo">159</span>    @Override<a name="line.159"></a>
-<span class="sourceLineNo">160</span>    public Job execute() throws Exception {<a name="line.160"></a>
-<span class="sourceLineNo">161</span><a name="line.161"></a>
-<span class="sourceLineNo">162</span>      // reflection preparation for private methods and fields<a name="line.162"></a>
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-<span class="sourceLineNo">164</span>      Method methodCleanup = classDistCp.getDeclaredMethod("cleanup");<a name="line.164"></a>
+<span class="sourceLineNo">120</span>    public BackupInfo getBackupInfo() {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      return this.backupInfo;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    }<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>  /**<a name="line.125"></a>
+<span class="sourceLineNo">126</span>   * Update the ongoing backup with new progress.<a name="line.126"></a>
+<span class="sourceLineNo">127</span>   * @param backupInfo backup info<a name="line.127"></a>
+<span class="sourceLineNo">128</span>   * @param newProgress progress<a name="line.128"></a>
+<span class="sourceLineNo">129</span>   * @param bytesCopied bytes copied<a name="line.129"></a>
+<span class="sourceLineNo">130</span>   * @throws NoNodeException exception<a name="line.130"></a>
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+<span class="sourceLineNo">416</span>  @Override<a name="line.416"></a>
+<span class="sourceLineNo">417</span>  public void cancel(String jobId) throws IOException {<a name="line.417"></a>
+<span class="sourceLineNo">418</span>    JobID id = JobID.forName(jobId);<a name="line.418"></a>
+<span class="sourceLineNo">419</span>    Cluster cluster = new Cluster(this.getConf());<a name="line.419"></a>
+<span class="sourceLineNo">420</span>    try {<a name="line.420"></a>
+<span class="sourceLineNo">421</span>      Job job = cluster.getJob(id);<a name="line.421"></a>
+<span class="sourceLineNo">422</span>      if (job == null) {<a name="line.422"></a>
+<span class="sourceLineNo">423</span>        LOG.error("No job found for " + id);<a name="line.423"></a>
+<span class="sourceLineNo">424</span>        // should we throw exception<a name="line.424"></a>
+<span class="sourceLineNo">425</span>        return;<a name="line.425"></a>
+<span class="sourceLineNo">426</span>      }<a name="line.426"></a>
+<span class="sourceLineNo">427</span>      if (job.isComplete() || job.isRetired()) {<a name="line.427"></a>
+<span class="sourceLineNo">428</span>        return;<a name="line.428"></a>
+<span class="sourceLineNo">429</span>      }<a name="line.429"></a>
+<span class="sourceLineNo">430</span><a name="line.430"></a>
+<span class="sourceLineNo">431</span>      job.killJob();<a name="line.431"></a>
+<span class="sourceLineNo">432</span>      LOG.debug("Killed copy job " + id);<a name="line.432"></a>
+<span class="sourceLineNo">433</span>    } catch (InterruptedException e) {<a name="line.433"></a>
+<span class="sourceLineNo">434</span>      throw new IOException(e);<a name="line.434"></a>
+<span class="sourceLineNo">435</span>    }<a name="line.435"></a>
+<span class="sourceLineNo">436</span>  }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span>}<a name="line.438"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/7816cbde/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/example/DelegatingInternalScanner.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/**<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
+<span class="sourceLineNo">017</span> */<a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.coprocessor.example;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a>
+<span class="sourceLineNo">022</span><a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.Cell;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.regionserver.ScannerContext;<a name="line.25"></a>
+<span class="sourceLineNo">026</span><a name="line.26"></a>
+<span class="sourceLineNo">027</span>/**<a name="line.27"></a>
+<span class="sourceLineNo">028</span> * A simple delegation for doing filtering on {@link InternalScanner}.<a name="line.28"></a>
+<span class="sourceLineNo">029</span> */<a name="line.29"></a>
+<span class="sourceLineNo">030</span>public class DelegatingInternalScanner implements InternalScanner {<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>  protected final InternalScanner scanner;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>  public DelegatingInternalScanner(InternalScanner scanner) {<a name="line.34"></a>
+<span class="sourceLineNo">035</span>    this.scanner = scanner;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>  }<a name="line.36"></a>
+<span class="sourceLineNo">037</span><a name="line.37"></a>
+<span class="sourceLineNo">038</span>  @Override<a name="line.38"></a>
+<span class="sourceLineNo">039</span>  public boolean next(List&lt;Cell&gt; result, ScannerContext scannerContext) throws IOException {<a name="line.39"></a>
+<span class="sourceLineNo">040</span>    return scanner.next(result, scannerContext);<a name="line.40"></a>
+<span class="sourceLineNo">041</span>  }<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span>  @Override<a name="line.43"></a>
+<span class="sourceLineNo">044</span>  public void close() throws IOException {<a name="line.44"></a>
+<span class="sourceLineNo">045</span>    scanner.close();<a name="line.45"></a>
+<span class="sourceLineNo">046</span>  }<a name="line.46"></a>
+<span class="sourceLineNo">047</span>}<a name="line.47"></a>
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+</div>
+</body>
+</html>


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