程序包 org.apache.iotdb.confignode.procedure.scheduler

类 AbstractProcedureScheduler

java.lang.Object

org.apache.iotdb.confignode.procedure.scheduler.AbstractProcedureScheduler

所有已实现的接口:

ProcedureScheduler

直接已知子类:

SimpleProcedureScheduler

public abstract class AbstractProcedureScheduler
extends java.lang.Object
implements ProcedureScheduler

构造器概要

构造器

构造器	说明
AbstractProcedureScheduler()

方法概要

修饰符和类型	方法	说明
void	addBack(Procedure procedure)	Inserts the specified element at the end of this queue.
void	addBack(Procedure procedure, boolean notify)	Inserts the specified element at the end of this queue.
void	addFront(Procedure procedure)	Inserts the specified element at the front of this queue.
void	addFront(Procedure procedure, boolean notify)	Inserts the specified element at the front of this queue.
protected abstract Procedure	dequeue()	Fetch one Procedure from the queue NOTE: this method is called with the sched lock held.
protected abstract void	enqueue(Procedure procedure, boolean addFront)	Add the procedure to the queue.
boolean	hasRunnables()
Procedure	poll()	Fetch one Procedure from the queue
Procedure	poll(long nanos)
Procedure	poll(long timeout, java.util.concurrent.TimeUnit unit)	Fetch one Procedure from the queue
protected void	push(Procedure procedure, boolean addFront, boolean notify)
protected abstract boolean	queueHasRunnables()	Returns true if there are procedures available to process.
protected abstract int	queueSize()	Returns the number of elements in this queue.
protected void	schedLock()
protected void	schedUnlock()
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 queue.
void	start()	Start the scheduler
void	stop()	Stop the scheduler

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.iotdb.confignode.procedure.scheduler.ProcedureScheduler

clear, yield

构造器详细资料

AbstractProcedureScheduler

public AbstractProcedureScheduler()

方法详细资料

start

public void start()

从接口复制的说明: ProcedureScheduler

Start the scheduler

指定者:

start 在接口中 ProcedureScheduler

stop

public void stop()

从接口复制的说明: ProcedureScheduler

Stop the scheduler

指定者:

stop 在接口中 ProcedureScheduler

signalAll

public void signalAll()

从接口复制的说明: ProcedureScheduler

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 ProcedureScheduler

enqueue

protected abstract void enqueue(Procedure procedure,
                                boolean addFront)

Add the procedure to the queue. NOTE: this method is called with the sched lock held.

参数:

procedure - the Procedure to add

addFront - true if the item should be added to the front of the queue

addFront

public void addFront(Procedure procedure)

从接口复制的说明: ProcedureScheduler

Inserts the specified element at the front of this queue.

指定者:

addFront 在接口中 ProcedureScheduler

参数:

procedure - the Procedure to add

addFront

public void addFront(Procedure procedure,
                     boolean notify)

从接口复制的说明: ProcedureScheduler

Inserts the specified element at the front of this queue.

指定者:

addFront 在接口中 ProcedureScheduler

参数:

procedure - the Procedure to add

notify - whether need to notify worker

addBack

public void addBack(Procedure procedure)

从接口复制的说明: ProcedureScheduler

Inserts the specified element at the end of this queue.

指定者:

addBack 在接口中 ProcedureScheduler

参数:

procedure - the Procedure to add

addBack

public void addBack(Procedure procedure,
                    boolean notify)

从接口复制的说明: ProcedureScheduler

Inserts the specified element at the end of this queue.

指定者:

addBack 在接口中 ProcedureScheduler

参数:

procedure - the Procedure to add

notify - whether need to notify worker

push

protected void push(Procedure procedure,
                    boolean addFront,
                    boolean notify)

dequeue

protected abstract Procedure dequeue()

Fetch one Procedure from the queue NOTE: this method is called with the sched lock held.

返回:

the Procedure to execute, or null if nothing is available.

poll

public Procedure poll()

从接口复制的说明: ProcedureScheduler

Fetch one Procedure from the queue

指定者:

poll 在接口中 ProcedureScheduler

返回:

the Procedure to execute, or null if nothing present.

poll

public Procedure poll(long timeout,
                      java.util.concurrent.TimeUnit unit)

从接口复制的说明: ProcedureScheduler

Fetch one Procedure from the queue

指定者:

poll 在接口中 ProcedureScheduler

参数:

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

返回:

the Procedure to execute, or null if nothing present.

poll

public Procedure poll(long nanos)

queueSize

protected abstract int queueSize()

Returns the number of elements in this queue. NOTE: this method is called with the sched lock held.

返回:

the number of elements in this queue.

queueHasRunnables

protected abstract boolean queueHasRunnables()

Returns true if there are procedures available to process. NOTE: this method is called with the sched lock held.

返回:

true if there are procedures available to process, otherwise false.

size

public int size()

从接口复制的说明: ProcedureScheduler

Returns the number of elements in this queue.

指定者:

size 在接口中 ProcedureScheduler

返回:

the number of elements in this queue.

hasRunnables

public boolean hasRunnables()

指定者:

hasRunnables 在接口中 ProcedureScheduler

返回:

true if there are procedures available to process, otherwise false.

schedLock

protected void schedLock()

schedUnlock

protected void schedUnlock()