[20/51] [partial] hbase-site git commit: Published site at fa5fa6ecdd071b72b58971058ff3ab9d28c3e709.

[git-site-role]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d1341859/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.ProcedureStoreListener.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.ProcedureStoreListener.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.ProcedureStoreListener.html
index ff29160..e4dc134 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.ProcedureStoreListener.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.ProcedureStoreListener.html
@@ -42,190 +42,208 @@
 <span class="sourceLineNo">034</span>public interface ProcedureStore {<a 
name="line.34"></a>
 <span class="sourceLineNo">035</span>  /**<a name="line.35"></a>
 <span class="sourceLineNo">036</span>   * Store listener interface.<a 
name="line.36"></a>
-<span class="sourceLineNo">037</span>   * The main process should register a 
listener and respond to the store events.<a name="line.37"></a>
-<span class="sourceLineNo">038</span>   */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>  public interface ProcedureStoreListener 
{<a name="line.39"></a>
-<span class="sourceLineNo">040</span>    /**<a name="line.40"></a>
-<span class="sourceLineNo">041</span>     * triggered when the store sync is 
completed.<a name="line.41"></a>
-<span class="sourceLineNo">042</span>     */<a name="line.42"></a>
-<span class="sourceLineNo">043</span>    void postSync();<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>    /**<a name="line.45"></a>
-<span class="sourceLineNo">046</span>     * triggered when the store is not 
able to write out data.<a name="line.46"></a>
-<span class="sourceLineNo">047</span>     * the main process should abort.<a 
name="line.47"></a>
-<span class="sourceLineNo">048</span>     */<a name="line.48"></a>
-<span class="sourceLineNo">049</span>    void abortProcess();<a 
name="line.49"></a>
-<span class="sourceLineNo">050</span>  }<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>  /**<a name="line.52"></a>
-<span class="sourceLineNo">053</span>   * An Iterator over a collection of 
Procedure<a name="line.53"></a>
-<span class="sourceLineNo">054</span>   */<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  public interface ProcedureIterator {<a 
name="line.55"></a>
-<span class="sourceLineNo">056</span>    /**<a name="line.56"></a>
-<span class="sourceLineNo">057</span>     * Reset the Iterator by seeking to 
the beginning of the list.<a name="line.57"></a>
-<span class="sourceLineNo">058</span>     */<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    void reset();<a name="line.59"></a>
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-<span class="sourceLineNo">061</span>    /**<a name="line.61"></a>
-<span class="sourceLineNo">062</span>     * Returns true if the iterator has 
more elements.<a name="line.62"></a>
-<span class="sourceLineNo">063</span>     * (In other words, returns true if 
next() would return a Procedure<a name="line.63"></a>
-<span class="sourceLineNo">064</span>     * rather than throwing an 
exception.)<a name="line.64"></a>
-<span class="sourceLineNo">065</span>     * @return true if the iterator has 
more procedures<a name="line.65"></a>
-<span class="sourceLineNo">066</span>     */<a name="line.66"></a>
-<span class="sourceLineNo">067</span>    boolean hasNext();<a 
name="line.67"></a>
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-<span class="sourceLineNo">069</span>    /**<a name="line.69"></a>
-<span class="sourceLineNo">070</span>     * @return true if the iterator next 
element is a completed procedure.<a name="line.70"></a>
-<span class="sourceLineNo">071</span>     */<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    boolean isNextFinished();<a 
name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">037</span>   * &lt;p/&gt;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>   * The main process should register a 
listener and respond to the store events.<a name="line.38"></a>
+<span class="sourceLineNo">039</span>   */<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  public interface ProcedureStoreListener 
{<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>     * triggered when the store sync is 
completed.<a name="line.43"></a>
+<span class="sourceLineNo">044</span>     */<a name="line.44"></a>
+<span class="sourceLineNo">045</span>    default void postSync() {<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>
+<span class="sourceLineNo">048</span>    /**<a name="line.48"></a>
+<span class="sourceLineNo">049</span>     * triggered when the store is not 
able to write out data. the main process should abort.<a name="line.49"></a>
+<span class="sourceLineNo">050</span>     */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    default void abortProcess() {<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span>    }<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>     * Suggest that the upper layer 
should update the state of some procedures. Ignore this call<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>     * will not effect correctness but 
performance.<a name="line.56"></a>
+<span class="sourceLineNo">057</span>     * &lt;p/&gt;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>     * For a WAL based ProcedureStore 
implementation, if all the procedures stored in a WAL file<a name="line.58"></a>
+<span class="sourceLineNo">059</span>     * have been deleted, or updated 
later in another WAL file, then we can delete the WAL file. If<a 
name="line.59"></a>
+<span class="sourceLineNo">060</span>     * there are old procedures in a WAL 
file which are never deleted or updated, then we can not<a name="line.60"></a>
+<span class="sourceLineNo">061</span>     * delete the WAL file and this will 
cause we hold lots of WAL file and slow down the master<a name="line.61"></a>
+<span class="sourceLineNo">062</span>     * restarts. So here we introduce 
this method to tell the upper layer that please update the<a name="line.62"></a>
+<span class="sourceLineNo">063</span>     * states of these procedures so that 
we can delete the old WAL file.<a name="line.63"></a>
+<span class="sourceLineNo">064</span>     * @param procIds the id for the 
procedures<a name="line.64"></a>
+<span class="sourceLineNo">065</span>     */<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    default void forceUpdate(long[] 
procIds) {<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    }<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  /**<a name="line.70"></a>
+<span class="sourceLineNo">071</span>   * An Iterator over a collection of 
Procedure<a name="line.71"></a>
+<span class="sourceLineNo">072</span>   */<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  public interface ProcedureIterator {<a 
name="line.73"></a>
 <span class="sourceLineNo">074</span>    /**<a name="line.74"></a>
-<span class="sourceLineNo">075</span>     * Skip the next procedure<a 
name="line.75"></a>
+<span class="sourceLineNo">075</span>     * Reset the Iterator by seeking to 
the beginning of the list.<a name="line.75"></a>
 <span class="sourceLineNo">076</span>     */<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    void skipNext();<a name="line.77"></a>
+<span class="sourceLineNo">077</span>    void reset();<a name="line.77"></a>
 <span class="sourceLineNo">078</span><a name="line.78"></a>
 <span class="sourceLineNo">079</span>    /**<a name="line.79"></a>
-<span class="sourceLineNo">080</span>     * Returns the next procedure in the 
iteration.<a name="line.80"></a>
-<span class="sourceLineNo">081</span>     * @throws IOException if there was 
an error fetching/deserializing the procedure<a name="line.81"></a>
-<span class="sourceLineNo">082</span>     * @return the next procedure in the 
iteration.<a name="line.82"></a>
-<span class="sourceLineNo">083</span>     */<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    @SuppressWarnings("rawtypes")<a 
name="line.84"></a>
-<span class="sourceLineNo">085</span>    Procedure next() throws 
IOException;<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>   * Interface passed to the 
ProcedureStore.load() method to handle the store-load events.<a 
name="line.89"></a>
-<span class="sourceLineNo">090</span>   */<a name="line.90"></a>
-<span class="sourceLineNo">091</span>  public interface ProcedureLoader {<a 
name="line.91"></a>
+<span class="sourceLineNo">080</span>     * Returns true if the iterator has 
more elements.<a name="line.80"></a>
+<span class="sourceLineNo">081</span>     * (In other words, returns true if 
next() would return a Procedure<a name="line.81"></a>
+<span class="sourceLineNo">082</span>     * rather than throwing an 
exception.)<a name="line.82"></a>
+<span class="sourceLineNo">083</span>     * @return true if the iterator has 
more procedures<a name="line.83"></a>
+<span class="sourceLineNo">084</span>     */<a name="line.84"></a>
+<span class="sourceLineNo">085</span>    boolean hasNext();<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>     * @return true if the iterator next 
element is a completed procedure.<a name="line.88"></a>
+<span class="sourceLineNo">089</span>     */<a name="line.89"></a>
+<span class="sourceLineNo">090</span>    boolean isNextFinished();<a 
name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
 <span class="sourceLineNo">092</span>    /**<a name="line.92"></a>
-<span class="sourceLineNo">093</span>     * Called by ProcedureStore.load() to 
notify about the maximum proc-id in the store.<a name="line.93"></a>
-<span class="sourceLineNo">094</span>     * @param maxProcId the highest 
proc-id in the store<a name="line.94"></a>
-<span class="sourceLineNo">095</span>     */<a name="line.95"></a>
-<span class="sourceLineNo">096</span>    void setMaxProcId(long maxProcId);<a 
name="line.96"></a>
-<span class="sourceLineNo">097</span><a name="line.97"></a>
-<span class="sourceLineNo">098</span>    /**<a name="line.98"></a>
-<span class="sourceLineNo">099</span>     * Called by the 
ProcedureStore.load() every time a set of procedures are ready to be 
executed.<a name="line.99"></a>
-<span class="sourceLineNo">100</span>     * The ProcedureIterator passed to 
the method, has the procedure sorted in replay-order.<a name="line.100"></a>
-<span class="sourceLineNo">101</span>     * @param procIter iterator over the 
procedures ready to be added to the executor.<a name="line.101"></a>
-<span class="sourceLineNo">102</span>     */<a name="line.102"></a>
-<span class="sourceLineNo">103</span>    void load(ProcedureIterator procIter) 
throws IOException;<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>     * Called by the 
ProcedureStore.load() in case we have procedures not-ready to be added to<a 
name="line.106"></a>
-<span class="sourceLineNo">107</span>     * the executor, which probably means 
they are corrupted since some information/link is missing.<a 
name="line.107"></a>
-<span class="sourceLineNo">108</span>     * @param procIter iterator over the 
procedures not ready to be added to the executor, corrupted<a 
name="line.108"></a>
-<span class="sourceLineNo">109</span>     */<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    void 
handleCorrupted(ProcedureIterator procIter) throws IOException;<a 
name="line.110"></a>
-<span class="sourceLineNo">111</span>  }<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span>  /**<a name="line.113"></a>
-<span class="sourceLineNo">114</span>   * Add the listener to the notification 
list.<a name="line.114"></a>
-<span class="sourceLineNo">115</span>   * @param listener The 
AssignmentListener to register<a name="line.115"></a>
-<span class="sourceLineNo">116</span>   */<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  void 
registerListener(ProcedureStoreListener listener);<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>   * Remove the listener from the 
notification list.<a name="line.120"></a>
-<span class="sourceLineNo">121</span>   * @param listener The 
AssignmentListener to unregister<a name="line.121"></a>
-<span class="sourceLineNo">122</span>   * @return true if the listner was in 
the list and it was removed, otherwise false.<a name="line.122"></a>
-<span class="sourceLineNo">123</span>   */<a name="line.123"></a>
-<span class="sourceLineNo">124</span>  boolean 
unregisterListener(ProcedureStoreListener listener);<a name="line.124"></a>
-<span class="sourceLineNo">125</span><a name="line.125"></a>
-<span class="sourceLineNo">126</span>  /**<a name="line.126"></a>
-<span class="sourceLineNo">127</span>   * Start/Open the procedure store<a 
name="line.127"></a>
-<span class="sourceLineNo">128</span>   * @param numThreads<a 
name="line.128"></a>
-<span class="sourceLineNo">129</span>   */<a name="line.129"></a>
-<span class="sourceLineNo">130</span>  void start(int numThreads) throws 
IOException;<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>  /**<a name="line.132"></a>
-<span class="sourceLineNo">133</span>   * Stop/Close the procedure store<a 
name="line.133"></a>
-<span class="sourceLineNo">134</span>   * @param abort true if the stop is an 
abort<a name="line.134"></a>
-<span class="sourceLineNo">135</span>   */<a name="line.135"></a>
-<span class="sourceLineNo">136</span>  void stop(boolean abort);<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>   * @return true if the store is 
running, otherwise false.<a name="line.139"></a>
-<span class="sourceLineNo">140</span>   */<a name="line.140"></a>
-<span class="sourceLineNo">141</span>  boolean isRunning();<a 
name="line.141"></a>
-<span class="sourceLineNo">142</span><a name="line.142"></a>
-<span class="sourceLineNo">143</span>  /**<a name="line.143"></a>
-<span class="sourceLineNo">144</span>   * @return the number of threads/slots 
passed to start()<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   */<a name="line.145"></a>
-<span class="sourceLineNo">146</span>  int getNumThreads();<a 
name="line.146"></a>
-<span class="sourceLineNo">147</span><a name="line.147"></a>
-<span class="sourceLineNo">148</span>  /**<a name="line.148"></a>
-<span class="sourceLineNo">149</span>   * Set the number of procedure 
running.<a name="line.149"></a>
-<span class="sourceLineNo">150</span>   * This can be used, for example, by 
the store to know how long to wait before a sync.<a name="line.150"></a>
-<span class="sourceLineNo">151</span>   * @return how many procedures are 
running (may not be same as &lt;code&gt;count&lt;/code&gt;).<a 
name="line.151"></a>
-<span class="sourceLineNo">152</span>   */<a name="line.152"></a>
-<span class="sourceLineNo">153</span>  int setRunningProcedureCount(int 
count);<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span>  /**<a name="line.155"></a>
-<span class="sourceLineNo">156</span>   * Acquire the lease for the procedure 
store.<a name="line.156"></a>
-<span class="sourceLineNo">157</span>   */<a name="line.157"></a>
-<span class="sourceLineNo">158</span>  void recoverLease() throws 
IOException;<a name="line.158"></a>
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-<span class="sourceLineNo">160</span>  /**<a name="line.160"></a>
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name="line.161"></a>
-<span class="sourceLineNo">162</span>   * @param loader the ProcedureLoader 
that will handle the store-load events<a name="line.162"></a>
+<span class="sourceLineNo">093</span>     * Skip the next procedure<a 
name="line.93"></a>
+<span class="sourceLineNo">094</span>     */<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    void skipNext();<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>    /**<a name="line.97"></a>
+<span class="sourceLineNo">098</span>     * Returns the next procedure in the 
iteration.<a name="line.98"></a>
+<span class="sourceLineNo">099</span>     * @throws IOException if there was 
an error fetching/deserializing the procedure<a name="line.99"></a>
+<span class="sourceLineNo">100</span>     * @return the next procedure in the 
iteration.<a name="line.100"></a>
+<span class="sourceLineNo">101</span>     */<a name="line.101"></a>
+<span class="sourceLineNo">102</span>    @SuppressWarnings("rawtypes")<a 
name="line.102"></a>
+<span class="sourceLineNo">103</span>    Procedure next() throws 
IOException;<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>  /**<a name="line.106"></a>
+<span class="sourceLineNo">107</span>   * Interface passed to the 
ProcedureStore.load() method to handle the store-load events.<a 
name="line.107"></a>
+<span class="sourceLineNo">108</span>   */<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  public interface ProcedureLoader {<a 
name="line.109"></a>
+<span class="sourceLineNo">110</span>    /**<a name="line.110"></a>
+<span class="sourceLineNo">111</span>     * Called by ProcedureStore.load() to 
notify about the maximum proc-id in the store.<a name="line.111"></a>
+<span class="sourceLineNo">112</span>     * @param maxProcId the highest 
proc-id in the store<a name="line.112"></a>
+<span class="sourceLineNo">113</span>     */<a name="line.113"></a>
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+<span class="sourceLineNo">115</span><a name="line.115"></a>
+<span class="sourceLineNo">116</span>    /**<a name="line.116"></a>
+<span class="sourceLineNo">117</span>     * Called by the 
ProcedureStore.load() every time a set of procedures are ready to be 
executed.<a name="line.117"></a>
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the method, has the procedure sorted in replay-order.<a name="line.118"></a>
+<span class="sourceLineNo">119</span>     * @param procIter iterator over the 
procedures ready to be added to the executor.<a name="line.119"></a>
+<span class="sourceLineNo">120</span>     */<a name="line.120"></a>
+<span class="sourceLineNo">121</span>    void load(ProcedureIterator procIter) 
throws IOException;<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>     * Called by the 
ProcedureStore.load() in case we have procedures not-ready to be added to<a 
name="line.124"></a>
+<span class="sourceLineNo">125</span>     * the executor, which probably means 
they are corrupted since some information/link is missing.<a 
name="line.125"></a>
+<span class="sourceLineNo">126</span>     * @param procIter iterator over the 
procedures not ready to be added to the executor, corrupted<a 
name="line.126"></a>
+<span class="sourceLineNo">127</span>     */<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    void 
handleCorrupted(ProcedureIterator procIter) throws IOException;<a 
name="line.128"></a>
+<span class="sourceLineNo">129</span>  }<a name="line.129"></a>
+<span class="sourceLineNo">130</span><a name="line.130"></a>
+<span class="sourceLineNo">131</span>  /**<a name="line.131"></a>
+<span class="sourceLineNo">132</span>   * Add the listener to the notification 
list.<a name="line.132"></a>
+<span class="sourceLineNo">133</span>   * @param listener The 
AssignmentListener to register<a name="line.133"></a>
+<span class="sourceLineNo">134</span>   */<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  void 
registerListener(ProcedureStoreListener listener);<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>   * Remove the listener from the 
notification list.<a name="line.138"></a>
+<span class="sourceLineNo">139</span>   * @param listener The 
AssignmentListener to unregister<a name="line.139"></a>
+<span class="sourceLineNo">140</span>   * @return true if the listner was in 
the list and it was removed, otherwise false.<a name="line.140"></a>
+<span class="sourceLineNo">141</span>   */<a name="line.141"></a>
+<span class="sourceLineNo">142</span>  boolean 
unregisterListener(ProcedureStoreListener listener);<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span>  /**<a name="line.144"></a>
+<span class="sourceLineNo">145</span>   * Start/Open the procedure store<a 
name="line.145"></a>
+<span class="sourceLineNo">146</span>   * @param numThreads<a 
name="line.146"></a>
+<span class="sourceLineNo">147</span>   */<a name="line.147"></a>
+<span class="sourceLineNo">148</span>  void start(int numThreads) throws 
IOException;<a name="line.148"></a>
+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span>  /**<a name="line.150"></a>
+<span class="sourceLineNo">151</span>   * Stop/Close the procedure store<a 
name="line.151"></a>
+<span class="sourceLineNo">152</span>   * @param abort true if the stop is an 
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+<span class="sourceLineNo">153</span>   */<a name="line.153"></a>
+<span class="sourceLineNo">154</span>  void stop(boolean abort);<a 
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+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>  /**<a name="line.156"></a>
+<span class="sourceLineNo">157</span>   * @return true if the store is 
running, otherwise false.<a name="line.157"></a>
+<span class="sourceLineNo">158</span>   */<a name="line.158"></a>
+<span class="sourceLineNo">159</span>  boolean isRunning();<a 
name="line.159"></a>
+<span class="sourceLineNo">160</span><a name="line.160"></a>
+<span class="sourceLineNo">161</span>  /**<a name="line.161"></a>
+<span class="sourceLineNo">162</span>   * @return the number of threads/slots 
passed to start()<a name="line.162"></a>
 <span class="sourceLineNo">163</span>   */<a name="line.163"></a>
-<span class="sourceLineNo">164</span>  void load(ProcedureLoader loader) 
throws IOException;<a name="line.164"></a>
+<span class="sourceLineNo">164</span>  int getNumThreads();<a 
name="line.164"></a>
 <span class="sourceLineNo">165</span><a name="line.165"></a>
 <span class="sourceLineNo">166</span>  /**<a name="line.166"></a>
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-<span class="sourceLineNo">173</span>   *<a name="line.173"></a>
-<span class="sourceLineNo">174</span>   * @param proc the procedure to 
serialize and write to the store.<a name="line.174"></a>
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child of the proc.<a name="line.175"></a>
-<span class="sourceLineNo">176</span>   */<a name="line.176"></a>
-<span class="sourceLineNo">177</span>  void insert(Procedure&lt;?&gt; proc, 
Procedure&lt;?&gt;[] subprocs);<a name="line.177"></a>
-<span class="sourceLineNo">178</span><a name="line.178"></a>
-<span class="sourceLineNo">179</span>  /**<a name="line.179"></a>
-<span class="sourceLineNo">180</span>   * Serialize a set of new procedures.<a 
name="line.180"></a>
-<span class="sourceLineNo">181</span>   * These procedures are freshly 
submitted to the executor and each procedure<a name="line.181"></a>
-<span class="sourceLineNo">182</span>   * has a 'RUNNABLE' state and the 
initial information required to start up.<a name="line.182"></a>
-<span class="sourceLineNo">183</span>   *<a name="line.183"></a>
-<span class="sourceLineNo">184</span>   * @param procs the procedures to 
serialize and write to the store.<a name="line.184"></a>
-<span class="sourceLineNo">185</span>   */<a name="line.185"></a>
-<span class="sourceLineNo">186</span>  void insert(Procedure&lt;?&gt;[] 
procs);<a name="line.186"></a>
-<span class="sourceLineNo">187</span><a name="line.187"></a>
-<span class="sourceLineNo">188</span>  /**<a name="line.188"></a>
-<span class="sourceLineNo">189</span>   * The specified procedure was 
executed,<a name="line.189"></a>
-<span class="sourceLineNo">190</span>   * and the new state should be written 
to the store.<a name="line.190"></a>
-<span class="sourceLineNo">191</span>   * @param proc the procedure to 
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-<span class="sourceLineNo">192</span>   */<a name="line.192"></a>
-<span class="sourceLineNo">193</span>  void update(Procedure&lt;?&gt; proc);<a 
name="line.193"></a>
-<span class="sourceLineNo">194</span><a name="line.194"></a>
-<span class="sourceLineNo">195</span>  /**<a name="line.195"></a>
-<span class="sourceLineNo">196</span>   * The specified procId was removed 
from the executor,<a name="line.196"></a>
-<span class="sourceLineNo">197</span>   * due to completion, abort or 
failure.<a name="line.197"></a>
-<span class="sourceLineNo">198</span>   * The store implementor should remove 
all the information about the specified procId.<a name="line.198"></a>
-<span class="sourceLineNo">199</span>   * @param procId the ID of the 
procedure to remove.<a name="line.199"></a>
-<span class="sourceLineNo">200</span>   */<a name="line.200"></a>
-<span class="sourceLineNo">201</span>  void delete(long procId);<a 
name="line.201"></a>
-<span class="sourceLineNo">202</span><a name="line.202"></a>
-<span class="sourceLineNo">203</span>  /**<a name="line.203"></a>
-<span class="sourceLineNo">204</span>   * The parent procedure completed.<a 
name="line.204"></a>
-<span class="sourceLineNo">205</span>   * Update the state and mark all the 
child deleted.<a name="line.205"></a>
-<span class="sourceLineNo">206</span>   * @param parentProc the parent 
procedure to serialize and write to the store.<a name="line.206"></a>
-<span class="sourceLineNo">207</span>   * @param subProcIds the IDs of the 
sub-procedure to remove.<a name="line.207"></a>
-<span class="sourceLineNo">208</span>   */<a name="line.208"></a>
-<span class="sourceLineNo">209</span>  void delete(Procedure&lt;?&gt; 
parentProc, long[] subProcIds);<a name="line.209"></a>
-<span class="sourceLineNo">210</span><a name="line.210"></a>
-<span class="sourceLineNo">211</span>  /**<a name="line.211"></a>
-<span class="sourceLineNo">212</span>   * The specified procIds were removed 
from the executor,<a name="line.212"></a>
-<span class="sourceLineNo">213</span>   * due to completion, abort or 
failure.<a name="line.213"></a>
-<span class="sourceLineNo">214</span>   * The store implementor should remove 
all the information about the specified procIds.<a name="line.214"></a>
-<span class="sourceLineNo">215</span>   * @param procIds the IDs of the 
procedures to remove.<a name="line.215"></a>
-<span class="sourceLineNo">216</span>   * @param offset the array offset from 
where to start to delete<a name="line.216"></a>
-<span class="sourceLineNo">217</span>   * @param count the number of IDs to 
delete<a name="line.217"></a>
+<span class="sourceLineNo">167</span>   * Set the number of procedure 
running.<a name="line.167"></a>
+<span class="sourceLineNo">168</span>   * This can be used, for example, by 
the store to know how long to wait before a sync.<a name="line.168"></a>
+<span class="sourceLineNo">169</span>   * @return how many procedures are 
running (may not be same as &lt;code&gt;count&lt;/code&gt;).<a 
name="line.169"></a>
+<span class="sourceLineNo">170</span>   */<a name="line.170"></a>
+<span class="sourceLineNo">171</span>  int setRunningProcedureCount(int 
count);<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span>  /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span>   * Acquire the lease for the procedure 
store.<a name="line.174"></a>
+<span class="sourceLineNo">175</span>   */<a name="line.175"></a>
+<span class="sourceLineNo">176</span>  void recoverLease() throws 
IOException;<a name="line.176"></a>
+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span>  /**<a name="line.178"></a>
+<span class="sourceLineNo">179</span>   * Load the Procedures in the store.<a 
name="line.179"></a>
+<span class="sourceLineNo">180</span>   * @param loader the ProcedureLoader 
that will handle the store-load events<a name="line.180"></a>
+<span class="sourceLineNo">181</span>   */<a name="line.181"></a>
+<span class="sourceLineNo">182</span>  void load(ProcedureLoader loader) 
throws IOException;<a name="line.182"></a>
+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span>  /**<a name="line.184"></a>
+<span class="sourceLineNo">185</span>   * When a procedure is submitted to the 
executor insert(proc, null) will be called.<a name="line.185"></a>
+<span class="sourceLineNo">186</span>   * 'proc' has a 'RUNNABLE' state and 
the initial information required to start up.<a name="line.186"></a>
+<span class="sourceLineNo">187</span>   *<a name="line.187"></a>
+<span class="sourceLineNo">188</span>   * When a procedure is executed and it 
returns children insert(proc, subprocs) will be called.<a name="line.188"></a>
+<span class="sourceLineNo">189</span>   * 'proc' has a 'WAITING' state and an 
update state.<a name="line.189"></a>
+<span class="sourceLineNo">190</span>   * 'subprocs' are the children in 
'RUNNABLE' state with the initial information.<a name="line.190"></a>
+<span class="sourceLineNo">191</span>   *<a name="line.191"></a>
+<span class="sourceLineNo">192</span>   * @param proc the procedure to 
serialize and write to the store.<a name="line.192"></a>
+<span class="sourceLineNo">193</span>   * @param subprocs the newly created 
child of the proc.<a name="line.193"></a>
+<span class="sourceLineNo">194</span>   */<a name="line.194"></a>
+<span class="sourceLineNo">195</span>  void insert(Procedure&lt;?&gt; proc, 
Procedure&lt;?&gt;[] subprocs);<a name="line.195"></a>
+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span>  /**<a name="line.197"></a>
+<span class="sourceLineNo">198</span>   * Serialize a set of new procedures.<a 
name="line.198"></a>
+<span class="sourceLineNo">199</span>   * These procedures are freshly 
submitted to the executor and each procedure<a name="line.199"></a>
+<span class="sourceLineNo">200</span>   * has a 'RUNNABLE' state and the 
initial information required to start up.<a name="line.200"></a>
+<span class="sourceLineNo">201</span>   *<a name="line.201"></a>
+<span class="sourceLineNo">202</span>   * @param procs the procedures to 
serialize and write to the store.<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   */<a name="line.203"></a>
+<span class="sourceLineNo">204</span>  void insert(Procedure&lt;?&gt;[] 
procs);<a name="line.204"></a>
+<span class="sourceLineNo">205</span><a name="line.205"></a>
+<span class="sourceLineNo">206</span>  /**<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * The specified procedure was 
executed,<a name="line.207"></a>
+<span class="sourceLineNo">208</span>   * and the new state should be written 
to the store.<a name="line.208"></a>
+<span class="sourceLineNo">209</span>   * @param proc the procedure to 
serialize and write to the store.<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   */<a name="line.210"></a>
+<span class="sourceLineNo">211</span>  void update(Procedure&lt;?&gt; proc);<a 
name="line.211"></a>
+<span class="sourceLineNo">212</span><a name="line.212"></a>
+<span class="sourceLineNo">213</span>  /**<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   * The specified procId was removed 
from the executor,<a name="line.214"></a>
+<span class="sourceLineNo">215</span>   * due to completion, abort or 
failure.<a name="line.215"></a>
+<span class="sourceLineNo">216</span>   * The store implementor should remove 
all the information about the specified procId.<a name="line.216"></a>
+<span class="sourceLineNo">217</span>   * @param procId the ID of the 
procedure to remove.<a name="line.217"></a>
 <span class="sourceLineNo">218</span>   */<a name="line.218"></a>
-<span class="sourceLineNo">219</span>  void delete(long[] procIds, int offset, 
int count);<a name="line.219"></a>
-<span class="sourceLineNo">220</span>}<a name="line.220"></a>
+<span class="sourceLineNo">219</span>  void delete(long procId);<a 
name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span>  /**<a name="line.221"></a>
+<span class="sourceLineNo">222</span>   * The parent procedure completed.<a 
name="line.222"></a>
+<span class="sourceLineNo">223</span>   * Update the state and mark all the 
child deleted.<a name="line.223"></a>
+<span class="sourceLineNo">224</span>   * @param parentProc the parent 
procedure to serialize and write to the store.<a name="line.224"></a>
+<span class="sourceLineNo">225</span>   * @param subProcIds the IDs of the 
sub-procedure to remove.<a name="line.225"></a>
+<span class="sourceLineNo">226</span>   */<a name="line.226"></a>
+<span class="sourceLineNo">227</span>  void delete(Procedure&lt;?&gt; 
parentProc, long[] subProcIds);<a name="line.227"></a>
+<span class="sourceLineNo">228</span><a name="line.228"></a>
+<span class="sourceLineNo">229</span>  /**<a name="line.229"></a>
+<span class="sourceLineNo">230</span>   * The specified procIds were removed 
from the executor,<a name="line.230"></a>
+<span class="sourceLineNo">231</span>   * due to completion, abort or 
failure.<a name="line.231"></a>
+<span class="sourceLineNo">232</span>   * The store implementor should remove 
all the information about the specified procIds.<a name="line.232"></a>
+<span class="sourceLineNo">233</span>   * @param procIds the IDs of the 
procedures to remove.<a name="line.233"></a>
+<span class="sourceLineNo">234</span>   * @param offset the array offset from 
where to start to delete<a name="line.234"></a>
+<span class="sourceLineNo">235</span>   * @param count the number of IDs to 
delete<a name="line.235"></a>
+<span class="sourceLineNo">236</span>   */<a name="line.236"></a>
+<span class="sourceLineNo">237</span>  void delete(long[] procIds, int offset, 
int count);<a name="line.237"></a>
+<span class="sourceLineNo">238</span>}<a name="line.238"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d1341859/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
index ff29160..e4dc134 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStore.html
@@ -42,190 +42,208 @@
 <span class="sourceLineNo">034</span>public interface ProcedureStore {<a 
name="line.34"></a>
 <span class="sourceLineNo">035</span>  /**<a name="line.35"></a>
 <span class="sourceLineNo">036</span>   * Store listener interface.<a 
name="line.36"></a>
-<span class="sourceLineNo">037</span>   * The main process should register a 
listener and respond to the store events.<a name="line.37"></a>
-<span class="sourceLineNo">038</span>   */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>  public interface ProcedureStoreListener 
{<a name="line.39"></a>
-<span class="sourceLineNo">040</span>    /**<a name="line.40"></a>
-<span class="sourceLineNo">041</span>     * triggered when the store sync is 
completed.<a name="line.41"></a>
-<span class="sourceLineNo">042</span>     */<a name="line.42"></a>
-<span class="sourceLineNo">043</span>    void postSync();<a name="line.43"></a>
-<span class="sourceLineNo">044</span><a name="line.44"></a>
-<span class="sourceLineNo">045</span>    /**<a name="line.45"></a>
-<span class="sourceLineNo">046</span>     * triggered when the store is not 
able to write out data.<a name="line.46"></a>
-<span class="sourceLineNo">047</span>     * the main process should abort.<a 
name="line.47"></a>
-<span class="sourceLineNo">048</span>     */<a name="line.48"></a>
-<span class="sourceLineNo">049</span>    void abortProcess();<a 
name="line.49"></a>
-<span class="sourceLineNo">050</span>  }<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>  /**<a name="line.52"></a>
-<span class="sourceLineNo">053</span>   * An Iterator over a collection of 
Procedure<a name="line.53"></a>
-<span class="sourceLineNo">054</span>   */<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  public interface ProcedureIterator {<a 
name="line.55"></a>
-<span class="sourceLineNo">056</span>    /**<a name="line.56"></a>
-<span class="sourceLineNo">057</span>     * Reset the Iterator by seeking to 
the beginning of the list.<a name="line.57"></a>
-<span class="sourceLineNo">058</span>     */<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    void reset();<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>    /**<a name="line.61"></a>
-<span class="sourceLineNo">062</span>     * Returns true if the iterator has 
more elements.<a name="line.62"></a>
-<span class="sourceLineNo">063</span>     * (In other words, returns true if 
next() would return a Procedure<a name="line.63"></a>
-<span class="sourceLineNo">064</span>     * rather than throwing an 
exception.)<a name="line.64"></a>
-<span class="sourceLineNo">065</span>     * @return true if the iterator has 
more procedures<a name="line.65"></a>
-<span class="sourceLineNo">066</span>     */<a name="line.66"></a>
-<span class="sourceLineNo">067</span>    boolean hasNext();<a 
name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>    /**<a name="line.69"></a>
-<span class="sourceLineNo">070</span>     * @return true if the iterator next 
element is a completed procedure.<a name="line.70"></a>
-<span class="sourceLineNo">071</span>     */<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    boolean isNextFinished();<a 
name="line.72"></a>
-<span class="sourceLineNo">073</span><a name="line.73"></a>
+<span class="sourceLineNo">037</span>   * &lt;p/&gt;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>   * The main process should register a 
listener and respond to the store events.<a name="line.38"></a>
+<span class="sourceLineNo">039</span>   */<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  public interface ProcedureStoreListener 
{<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>     * triggered when the store sync is 
completed.<a name="line.43"></a>
+<span class="sourceLineNo">044</span>     */<a name="line.44"></a>
+<span class="sourceLineNo">045</span>    default void postSync() {<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>
+<span class="sourceLineNo">048</span>    /**<a name="line.48"></a>
+<span class="sourceLineNo">049</span>     * triggered when the store is not 
able to write out data. the main process should abort.<a name="line.49"></a>
+<span class="sourceLineNo">050</span>     */<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    default void abortProcess() {<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span>    }<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>     * Suggest that the upper layer 
should update the state of some procedures. Ignore this call<a 
name="line.55"></a>
+<span class="sourceLineNo">056</span>     * will not effect correctness but 
performance.<a name="line.56"></a>
+<span class="sourceLineNo">057</span>     * &lt;p/&gt;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>     * For a WAL based ProcedureStore 
implementation, if all the procedures stored in a WAL file<a name="line.58"></a>
+<span class="sourceLineNo">059</span>     * have been deleted, or updated 
later in another WAL file, then we can delete the WAL file. If<a 
name="line.59"></a>
+<span class="sourceLineNo">060</span>     * there are old procedures in a WAL 
file which are never deleted or updated, then we can not<a name="line.60"></a>
+<span class="sourceLineNo">061</span>     * delete the WAL file and this will 
cause we hold lots of WAL file and slow down the master<a name="line.61"></a>
+<span class="sourceLineNo">062</span>     * restarts. So here we introduce 
this method to tell the upper layer that please update the<a name="line.62"></a>
+<span class="sourceLineNo">063</span>     * states of these procedures so that 
we can delete the old WAL file.<a name="line.63"></a>
+<span class="sourceLineNo">064</span>     * @param procIds the id for the 
procedures<a name="line.64"></a>
+<span class="sourceLineNo">065</span>     */<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    default void forceUpdate(long[] 
procIds) {<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    }<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  /**<a name="line.70"></a>
+<span class="sourceLineNo">071</span>   * An Iterator over a collection of 
Procedure<a name="line.71"></a>
+<span class="sourceLineNo">072</span>   */<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  public interface ProcedureIterator {<a 
name="line.73"></a>
 <span class="sourceLineNo">074</span>    /**<a name="line.74"></a>
-<span class="sourceLineNo">075</span>     * Skip the next procedure<a 
name="line.75"></a>
+<span class="sourceLineNo">075</span>     * Reset the Iterator by seeking to 
the beginning of the list.<a name="line.75"></a>
 <span class="sourceLineNo">076</span>     */<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    void skipNext();<a name="line.77"></a>
+<span class="sourceLineNo">077</span>    void reset();<a name="line.77"></a>
 <span class="sourceLineNo">078</span><a name="line.78"></a>
 <span class="sourceLineNo">079</span>    /**<a name="line.79"></a>
-<span class="sourceLineNo">080</span>     * Returns the next procedure in the 
iteration.<a name="line.80"></a>
-<span class="sourceLineNo">081</span>     * @throws IOException if there was 
an error fetching/deserializing the procedure<a name="line.81"></a>
-<span class="sourceLineNo">082</span>     * @return the next procedure in the 
iteration.<a name="line.82"></a>
-<span class="sourceLineNo">083</span>     */<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    @SuppressWarnings("rawtypes")<a 
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-<span class="sourceLineNo">217</span>   * @param count the number of IDs to 
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running (may not be same as &lt;code&gt;count&lt;/code&gt;).<a 
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+<span class="sourceLineNo">170</span>   */<a name="line.170"></a>
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+<span class="sourceLineNo">173</span>  /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span>   * Acquire the lease for the procedure 
store.<a name="line.174"></a>
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+<span class="sourceLineNo">176</span>  void recoverLease() throws 
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+<span class="sourceLineNo">177</span><a name="line.177"></a>
+<span class="sourceLineNo">178</span>  /**<a name="line.178"></a>
+<span class="sourceLineNo">179</span>   * Load the Procedures in the store.<a 
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+<span class="sourceLineNo">180</span>   * @param loader the ProcedureLoader 
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+<span class="sourceLineNo">181</span>   */<a name="line.181"></a>
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+<span class="sourceLineNo">183</span><a name="line.183"></a>
+<span class="sourceLineNo">184</span>  /**<a name="line.184"></a>
+<span class="sourceLineNo">185</span>   * When a procedure is submitted to the 
executor insert(proc, null) will be called.<a name="line.185"></a>
+<span class="sourceLineNo">186</span>   * 'proc' has a 'RUNNABLE' state and 
the initial information required to start up.<a name="line.186"></a>
+<span class="sourceLineNo">187</span>   *<a name="line.187"></a>
+<span class="sourceLineNo">188</span>   * When a procedure is executed and it 
returns children insert(proc, subprocs) will be called.<a name="line.188"></a>
+<span class="sourceLineNo">189</span>   * 'proc' has a 'WAITING' state and an 
update state.<a name="line.189"></a>
+<span class="sourceLineNo">190</span>   * 'subprocs' are the children in 
'RUNNABLE' state with the initial information.<a name="line.190"></a>
+<span class="sourceLineNo">191</span>   *<a name="line.191"></a>
+<span class="sourceLineNo">192</span>   * @param proc the procedure to 
serialize and write to the store.<a name="line.192"></a>
+<span class="sourceLineNo">193</span>   * @param subprocs the newly created 
child of the proc.<a name="line.193"></a>
+<span class="sourceLineNo">194</span>   */<a name="line.194"></a>
+<span class="sourceLineNo">195</span>  void insert(Procedure&lt;?&gt; proc, 
Procedure&lt;?&gt;[] subprocs);<a name="line.195"></a>
+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span>  /**<a name="line.197"></a>
+<span class="sourceLineNo">198</span>   * Serialize a set of new procedures.<a 
name="line.198"></a>
+<span class="sourceLineNo">199</span>   * These procedures are freshly 
submitted to the executor and each procedure<a name="line.199"></a>
+<span class="sourceLineNo">200</span>   * has a 'RUNNABLE' state and the 
initial information required to start up.<a name="line.200"></a>
+<span class="sourceLineNo">201</span>   *<a name="line.201"></a>
+<span class="sourceLineNo">202</span>   * @param procs the procedures to 
serialize and write to the store.<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   */<a name="line.203"></a>
+<span class="sourceLineNo">204</span>  void insert(Procedure&lt;?&gt;[] 
procs);<a name="line.204"></a>
+<span class="sourceLineNo">205</span><a name="line.205"></a>
+<span class="sourceLineNo">206</span>  /**<a name="line.206"></a>
+<span class="sourceLineNo">207</span>   * The specified procedure was 
executed,<a name="line.207"></a>
+<span class="sourceLineNo">208</span>   * and the new state should be written 
to the store.<a name="line.208"></a>
+<span class="sourceLineNo">209</span>   * @param proc the procedure to 
serialize and write to the store.<a name="line.209"></a>
+<span class="sourceLineNo">210</span>   */<a name="line.210"></a>
+<span class="sourceLineNo">211</span>  void update(Procedure&lt;?&gt; proc);<a 
name="line.211"></a>
+<span class="sourceLineNo">212</span><a name="line.212"></a>
+<span class="sourceLineNo">213</span>  /**<a name="line.213"></a>
+<span class="sourceLineNo">214</span>   * The specified procId was removed 
from the executor,<a name="line.214"></a>
+<span class="sourceLineNo">215</span>   * due to completion, abort or 
failure.<a name="line.215"></a>
+<span class="sourceLineNo">216</span>   * The store implementor should remove 
all the information about the specified procId.<a name="line.216"></a>
+<span class="sourceLineNo">217</span>   * @param procId the ID of the 
procedure to remove.<a name="line.217"></a>
 <span class="sourceLineNo">218</span>   */<a name="line.218"></a>
-<span class="sourceLineNo">219</span>  void delete(long[] procIds, int offset, 
int count);<a name="line.219"></a>
-<span class="sourceLineNo">220</span>}<a name="line.220"></a>
+<span class="sourceLineNo">219</span>  void delete(long procId);<a 
name="line.219"></a>
+<span class="sourceLineNo">220</span><a name="line.220"></a>
+<span class="sourceLineNo">221</span>  /**<a name="line.221"></a>
+<span class="sourceLineNo">222</span>   * The parent procedure completed.<a 
name="line.222"></a>
+<span class="sourceLineNo">223</span>   * Update the state and mark all the 
child deleted.<a name="line.223"></a>
+<span class="sourceLineNo">224</span>   * @param parentProc the parent 
procedure to serialize and write to the store.<a name="line.224"></a>
+<span class="sourceLineNo">225</span>   * @param subProcIds the IDs of the 
sub-procedure to remove.<a name="line.225"></a>
+<span class="sourceLineNo">226</span>   */<a name="line.226"></a>
+<span class="sourceLineNo">227</span>  void delete(Procedure&lt;?&gt; 
parentProc, long[] subProcIds);<a name="line.227"></a>
+<span class="sourceLineNo">228</span><a name="line.228"></a>
+<span class="sourceLineNo">229</span>  /**<a name="line.229"></a>
+<span class="sourceLineNo">230</span>   * The specified procIds were removed 
from the executor,<a name="line.230"></a>
+<span class="sourceLineNo">231</span>   * due to completion, abort or 
failure.<a name="line.231"></a>
+<span class="sourceLineNo">232</span>   * The store implementor should remove 
all the information about the specified procIds.<a name="line.232"></a>
+<span class="sourceLineNo">233</span>   * @param procIds the IDs of the 
procedures to remove.<a name="line.233"></a>
+<span class="sourceLineNo">234</span>   * @param offset the array offset from 
where to start to delete<a name="line.234"></a>
+<span class="sourceLineNo">235</span>   * @param count the number of IDs to 
delete<a name="line.235"></a>
+<span class="sourceLineNo">236</span>   */<a name="line.236"></a>
+<span class="sourceLineNo">237</span>  void delete(long[] procIds, int offset, 
int count);<a name="line.237"></a>
+<span class="sourceLineNo">238</span>}<a name="line.238"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d1341859/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreBase.html
----------------------------------------------------------------------
diff --git 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreBase.html
 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreBase.html
index 6193604..6a97b38 100644
--- 
a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreBase.html
+++ 
b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreBase.html
@@ -23,65 +23,59 @@
 <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><a name="line.18"></a>
-<span class="sourceLineNo">019</span>package 
org.apache.hadoop.hbase.procedure2.store;<a name="line.19"></a>
-<span class="sourceLineNo">020</span><a name="line.20"></a>
-<span class="sourceLineNo">021</span>import 
java.util.concurrent.CopyOnWriteArrayList;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import 
java.util.concurrent.atomic.AtomicBoolean;<a name="line.22"></a>
+<span class="sourceLineNo">018</span>package 
org.apache.hadoop.hbase.procedure2.store;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import 
java.util.concurrent.CopyOnWriteArrayList;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import 
java.util.concurrent.atomic.AtomicBoolean;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.22"></a>
 <span class="sourceLineNo">023</span><a name="line.23"></a>
-<span class="sourceLineNo">024</span>import 
org.apache.yetus.audience.InterfaceAudience;<a name="line.24"></a>
-<span class="sourceLineNo">025</span><a name="line.25"></a>
-<span class="sourceLineNo">026</span>/**<a name="line.26"></a>
-<span class="sourceLineNo">027</span> * Base class for {@link 
ProcedureStore}s.<a name="line.27"></a>
-<span class="sourceLineNo">028</span> */<a name="line.28"></a>
-<span class="sourceLineNo">029</span>@InterfaceAudience.Private<a 
name="line.29"></a>
-<span class="sourceLineNo">030</span>public abstract class ProcedureStoreBase 
implements ProcedureStore {<a name="line.30"></a>
-<span class="sourceLineNo">031</span>  private final 
CopyOnWriteArrayList&lt;ProcedureStoreListener&gt; listeners = new 
CopyOnWriteArrayList&lt;&gt;();<a name="line.31"></a>
+<span class="sourceLineNo">024</span>/**<a name="line.24"></a>
+<span class="sourceLineNo">025</span> * Base class for {@link 
ProcedureStore}s.<a name="line.25"></a>
+<span class="sourceLineNo">026</span> */<a name="line.26"></a>
+<span class="sourceLineNo">027</span>@InterfaceAudience.Private<a 
name="line.27"></a>
+<span class="sourceLineNo">028</span>public abstract class ProcedureStoreBase 
implements ProcedureStore {<a name="line.28"></a>
+<span class="sourceLineNo">029</span>  private final 
CopyOnWriteArrayList&lt;ProcedureStoreListener&gt; listeners = new 
CopyOnWriteArrayList&lt;&gt;();<a name="line.29"></a>
+<span class="sourceLineNo">030</span><a name="line.30"></a>
+<span class="sourceLineNo">031</span>  private final AtomicBoolean running = 
new AtomicBoolean(false);<a name="line.31"></a>
 <span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>  private final AtomicBoolean running = 
new AtomicBoolean(false);<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>  /**<a name="line.35"></a>
-<span class="sourceLineNo">036</span>   * Change the state to 'isRunning',<a 
name="line.36"></a>
-<span class="sourceLineNo">037</span>   * returns true if the store state was 
changed,<a name="line.37"></a>
-<span class="sourceLineNo">038</span>   * false if the store was already in 
that state.<a name="line.38"></a>
-<span class="sourceLineNo">039</span>   * @param isRunning the state to set.<a 
name="line.39"></a>
-<span class="sourceLineNo">040</span>   * @return true if the store state was 
changed, otherwise false.<a name="line.40"></a>
-<span class="sourceLineNo">041</span>   */<a name="line.41"></a>
-<span class="sourceLineNo">042</span>  protected boolean setRunning(boolean 
isRunning) {<a name="line.42"></a>
-<span class="sourceLineNo">043</span>    return running.getAndSet(isRunning) 
!= isRunning;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>  }<a name="line.44"></a>
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-<span class="sourceLineNo">046</span>  @Override<a name="line.46"></a>
-<span class="sourceLineNo">047</span>  public boolean isRunning() {<a 
name="line.47"></a>
-<span class="sourceLineNo">048</span>    return running.get();<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>  @Override<a name="line.51"></a>
-<span class="sourceLineNo">052</span>  public void 
registerListener(ProcedureStoreListener listener) {<a name="line.52"></a>
-<span class="sourceLineNo">053</span>    listeners.add(listener);<a 
name="line.53"></a>
-<span class="sourceLineNo">054</span>  }<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>  @Override<a name="line.56"></a>
-<span class="sourceLineNo">057</span>  public boolean 
unregisterListener(ProcedureStoreListener listener) {<a name="line.57"></a>
-<span class="sourceLineNo">058</span>    return listeners.remove(listener);<a 
name="line.58"></a>
-<span class="sourceLineNo">059</span>  }<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>  protected void sendPostSyncSignal() {<a 
name="line.61"></a>
-<span class="sourceLineNo">062</span>    if (!this.listeners.isEmpty()) {<a 
name="line.62"></a>
-<span class="sourceLineNo">063</span>      for (ProcedureStoreListener 
listener : this.listeners) {<a name="line.63"></a>
-<span class="sourceLineNo">064</span>        listener.postSync();<a 
name="line.64"></a>
-<span class="sourceLineNo">065</span>      }<a name="line.65"></a>
-<span class="sourceLineNo">066</span>    }<a name="line.66"></a>
-<span class="sourceLineNo">067</span>  }<a name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>  protected void sendAbortProcessSignal() 
{<a name="line.69"></a>
-<span class="sourceLineNo">070</span>    if (!this.listeners.isEmpty()) {<a 
name="line.70"></a>
-<span class="sourceLineNo">071</span>      for (ProcedureStoreListener 
listener : this.listeners) {<a name="line.71"></a>
-<span class="sourceLineNo">072</span>        listener.abortProcess();<a 
name="line.72"></a>
-<span class="sourceLineNo">073</span>      }<a name="line.73"></a>
-<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
-<span class="sourceLineNo">075</span>  }<a name="line.75"></a>
-<span class="sourceLineNo">076</span>}<a name="line.76"></a>
+<span class="sourceLineNo">033</span>  /**<a name="line.33"></a>
+<span class="sourceLineNo">034</span>   * Change the state to 'isRunning',<a 
name="line.34"></a>
+<span class="sourceLineNo">035</span>   * returns true if the store state was 
changed,<a name="line.35"></a>
+<span class="sourceLineNo">036</span>   * false if the store was already in 
that state.<a name="line.36"></a>
+<span class="sourceLineNo">037</span>   * @param isRunning the state to set.<a 
name="line.37"></a>
+<span class="sourceLineNo">038</span>   * @return true if the store state was 
changed, otherwise false.<a name="line.38"></a>
+<span class="sourceLineNo">039</span>   */<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  protected boolean setRunning(boolean 
isRunning) {<a name="line.40"></a>
+<span class="sourceLineNo">041</span>    return running.getAndSet(isRunning) 
!= isRunning;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>  }<a name="line.42"></a>
+<span class="sourceLineNo">043</span><a name="line.43"></a>
+<span class="sourceLineNo">044</span>  @Override<a name="line.44"></a>
+<span class="sourceLineNo">045</span>  public boolean isRunning() {<a 
name="line.45"></a>
+<span class="sourceLineNo">046</span>    return running.get();<a 
name="line.46"></a>
+<span class="sourceLineNo">047</span>  }<a name="line.47"></a>
+<span class="sourceLineNo">048</span><a name="line.48"></a>
+<span class="sourceLineNo">049</span>  @Override<a name="line.49"></a>
+<span class="sourceLineNo">050</span>  public void 
registerListener(ProcedureStoreListener listener) {<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    listeners.add(listener);<a 
name="line.51"></a>
+<span class="sourceLineNo">052</span>  }<a name="line.52"></a>
+<span class="sourceLineNo">053</span><a name="line.53"></a>
+<span class="sourceLineNo">054</span>  @Override<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  public boolean 
unregisterListener(ProcedureStoreListener listener) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    return listeners.remove(listener);<a 
name="line.56"></a>
+<span class="sourceLineNo">057</span>  }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>  protected final void 
sendPostSyncSignal() {<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    
listeners.forEach(ProcedureStoreListener::postSync);<a name="line.60"></a>
+<span class="sourceLineNo">061</span>  }<a name="line.61"></a>
+<span class="sourceLineNo">062</span><a name="line.62"></a>
+<span class="sourceLineNo">063</span>  protected final void 
sendAbortProcessSignal() {<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    
listeners.forEach(ProcedureStoreListener::abortProcess);<a name="line.64"></a>
+<span class="sourceLineNo">065</span>  }<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span>  protected final void 
sendForceUpdateSignal(long[] procIds) {<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    listeners.forEach(l -&gt; 
l.forceUpdate(procIds));<a name="line.68"></a>
+<span class="sourceLineNo">069</span>  }<a name="line.69"></a>
+<span class="sourceLineNo">070</span>}<a name="line.70"></a>