org.coodex.concurrent.locks

Class AbstractResourceLock

java.lang.Object

org.coodex.concurrent.locks.AbstractResourceLock

All Implemented Interfaces:

ResourceLock

public abstract class AbstractResourceLock
extends Object
implements ResourceLock

Constructor Summary

Constructors

Constructor and Description
AbstractResourceLock(ResourceId resourceId)

Method Summary

Modifier and Type	Method and Description
AbstractResourceLock	active()
protected abstract void	alloc() 申请逻辑锁，阻塞直到成功
protected abstract boolean	allocated()
ResourceId	getId()
long	getLastActive()
boolean	isDeath()
void	lock()
protected abstract void	release() 释放逻辑锁
protected abstract boolean	tryAlloc() 尝试申请逻辑锁
protected abstract boolean	tryAlloc(long time) 尝试申请逻辑锁，最长time毫秒
boolean	tryLock()
boolean	tryLock(long time, TimeUnit unit)
void	unlock()

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractResourceLock

public AbstractResourceLock(ResourceId resourceId)

Method Detail

alloc

protected abstract void alloc()

申请逻辑锁，阻塞直到成功

allocated

protected abstract boolean allocated()

Returns:

逻辑锁是否已分配

release

protected abstract void release()

释放逻辑锁

tryAlloc

protected abstract boolean tryAlloc()

尝试申请逻辑锁

Returns:

申请成功返回true, 否则false

tryAlloc

protected abstract boolean tryAlloc(long time)

尝试申请逻辑锁，最长time毫秒

Parameters:

time -

Returns:

申请成功返回true, 否则false

active

public AbstractResourceLock active()

getLastActive

public long getLastActive()

lock

public void lock()

Specified by:

lock in interface ResourceLock

See Also:

Lock.lock()

isDeath

public boolean isDeath()

tryLock

public boolean tryLock()

Specified by:

tryLock in interface ResourceLock

See Also:

Lock.tryLock()

tryLock

public boolean tryLock(long time,
                       TimeUnit unit)
                throws InterruptedException

Specified by:

tryLock in interface ResourceLock

Returns:

Throws:

InterruptedException

See Also:

Lock.tryLock(long, TimeUnit)

unlock

public void unlock()

Specified by:

unlock in interface ResourceLock

See Also:

Lock.unlock()

getId

public ResourceId getId()