org.apache.hadoop.hbase.procedure2

类 ProcedureSimpleRunQueue

java.lang.Object

org.apache.hadoop.hbase.procedure2.ProcedureSimpleRunQueue

所有已实现的接口:

ProcedureRunnableSet

@InterfaceAudience.Private
@InterfaceStability.Evolving
public class ProcedureSimpleRunQueue
extends Object
implements ProcedureRunnableSet

Simple runqueue for the procedures

构造器概要

构造器

构造器和说明
ProcedureSimpleRunQueue()

方法概要

方法

限定符和类型	方法和说明
void	addBack(Procedure proc) Inserts the specified element at the end of this queue.
void	addFront(Procedure proc) Inserts the specified element at the front of this queue.
void	clear() Removes all of the elements from this collection.
void	completionCleanup(Procedure proc) The procedure in execution completed.
Procedure	poll() Fetch one Procedure from the queue
void	signalAll() In case the class is blocking on poll() waiting for items to be added, this method should awake poll() and poll() should return.
int	size() Returns the number of elements in this collection.
void	yield(Procedure proc) The procedure can't run at the moment.

从类继承的方法 java.lang.Object

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

构造器详细资料

ProcedureSimpleRunQueue

public ProcedureSimpleRunQueue()

方法详细资料

addFront

public void addFront(Procedure proc)

从接口复制的说明: ProcedureRunnableSet

Inserts the specified element at the front of this queue.

指定者:

addFront 在接口中 ProcedureRunnableSet

参数:

proc - the Procedure to add

addBack

public void addBack(Procedure proc)

从接口复制的说明: ProcedureRunnableSet

Inserts the specified element at the end of this queue.

指定者:

addBack 在接口中 ProcedureRunnableSet

参数:

proc - the Procedure to add

yield

public void yield(Procedure proc)

从接口复制的说明: ProcedureRunnableSet

The procedure can't run at the moment. add it back to the queue, giving priority to someone else.

指定者:

yield 在接口中 ProcedureRunnableSet

参数:

proc - the Procedure to add back to the list

poll

public Procedure poll()

从接口复制的说明: ProcedureRunnableSet

Fetch one Procedure from the queue

指定者:

poll 在接口中 ProcedureRunnableSet

返回:

the Procedure to execute, or null if nothing present.

signalAll

public void signalAll()

从接口复制的说明: ProcedureRunnableSet

In case the class is blocking on poll() waiting for items to be added, this method should awake poll() and poll() should return.

指定者:

signalAll 在接口中 ProcedureRunnableSet

clear

public void clear()

从接口复制的说明: ProcedureRunnableSet

Removes all of the elements from this collection.

指定者:

clear 在接口中 ProcedureRunnableSet

size

public int size()

从接口复制的说明: ProcedureRunnableSet

Returns the number of elements in this collection.

指定者:

size 在接口中 ProcedureRunnableSet

返回:

the number of elements in this collection.

completionCleanup

public void completionCleanup(Procedure proc)

从接口复制的说明: ProcedureRunnableSet

The procedure in execution completed. This can be implemented to perform cleanups.

指定者:

completionCleanup 在接口中 ProcedureRunnableSet

参数:

proc - the Procedure that completed the execution.