org.apache.hadoop.hbase.master
Class BulkAssigner

java.lang.Object
  org.apache.hadoop.hbase.master.BulkAssigner

public abstract class BulkAssigner
extends java.lang.Object

Base class used bulk assigning and unassigning regions. Encapsulates a fixed size thread pool of executors to run assignment/unassignment. Implement populatePool(java.util.concurrent.ExecutorService) and waitUntilDone(long).

Constructor Summary

BulkAssigner(Server server)

Method Summary

boolean	bulkAssign() Run the bulk assign.
protected int	getThreadCount()
protected java.lang.String	getThreadNamePrefix()
protected long	getTimeoutOnRIT()
protected java.lang.Thread.UncaughtExceptionHandler	getUncaughtExceptionHandler()
protected abstract void	populatePool(java.util.concurrent.ExecutorService pool)
protected abstract boolean	waitUntilDone(long timeout) Wait until bulk assign is done.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BulkAssigner

public BulkAssigner(Server server)

Parameters:

server - An instance of Server

Method Detail

getThreadNamePrefix

protected java.lang.String getThreadNamePrefix()

getUncaughtExceptionHandler

protected java.lang.Thread.UncaughtExceptionHandler getUncaughtExceptionHandler()

getThreadCount

protected int getThreadCount()

getTimeoutOnRIT

protected long getTimeoutOnRIT()

populatePool

protected abstract void populatePool(java.util.concurrent.ExecutorService pool)

bulkAssign

public boolean bulkAssign()
                   throws java.lang.InterruptedException

Run the bulk assign.

Returns:

True if done.

Throws:

java.lang.InterruptedException

waitUntilDone

protected abstract boolean waitUntilDone(long timeout)
                                  throws java.lang.InterruptedException

Wait until bulk assign is done.

Parameters:

timeout - How long to wait.

Returns:

True if the condition we were waiting on happened.

Throws:

java.lang.InterruptedException