org.tinygroup.tinypc.dlock

Class DistributedLockImpl

java.lang.Object

java.rmi.server.RemoteObject

java.rmi.server.RemoteServer

java.rmi.server.UnicastRemoteObject

org.tinygroup.tinypc.dlock.DistributedLockImpl

All Implemented Interfaces:

Serializable, Remote, RemoteObject, DistributedLock

public class DistributedLockImpl
extends UnicastRemoteObject
implements DistributedLock

Created by luoguo on 14-1-9.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static int	HOUR

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

Constructors

Constructor and Description
DistributedLockImpl()
DistributedLockImpl(long lockTimeout, TimeUnit lockTimeoutUnit)

Method Summary

Modifier and Type	Method and Description
long	lock() 一直等直到获得锁为止
long	tryLock(long time, TimeUnit unit) 在time*unit时间内尝试lock
void	unlock(long token)

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

HOUR

public static final int HOUR

See Also:

Constant Field Values

Constructor Detail

DistributedLockImpl

public DistributedLockImpl()
                    throws RemoteException

Throws:

RemoteException

DistributedLockImpl

public DistributedLockImpl(long lockTimeout,
                           TimeUnit lockTimeoutUnit)
                    throws RemoteException

Parameters:

lockTimeout - 锁超时时间，如果加锁的对象不解锁，超时之后自动解锁

lockTimeoutUnit - 锁超时单位

Throws:

RemoteException

Method Detail

lock

public long lock()
          throws TimeoutException

Description copied from interface: DistributedLock

一直等直到获得锁为止

Specified by:

lock in interface DistributedLock

Returns:

Throws:

TimeoutException

tryLock

public long tryLock(long time,
                    TimeUnit unit)
             throws TimeoutException

Description copied from interface: DistributedLock

在time*unit时间内尝试lock

Specified by:

tryLock in interface DistributedLock

Returns:

Throws:

TimeoutException

unlock

public void unlock(long token)

Specified by:

unlock in interface DistributedLock