me.prettyprint.cassandra.locking

Class HLockImpl

java.lang.Object

me.prettyprint.cassandra.locking.HLockImpl

All Implemented Interfaces:

HLock

public class HLockImpl
extends Object
implements HLock

Default Lock implementation of HLock

Author:

patricioe (Patricio Echague - patricioe@gmail.com), tnine (Todd Nine)

Constructor Summary

Constructors

Constructor and Description
HLockImpl(String lockPath, String lockId)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
Future<Void>	getHeartbeat()
String	getLockId()
HLockObserver	getObserver() Get the observer for this lock
String	getPath()
int	hashCode()
boolean	isAcquired()
void	setAcquired(boolean acquired)
void	setHeartbeat(Future<Void> heartbeat)
void	setLockId(String lockId) Sets the lock id (UID) that identifies uniquely this lock object
void	setObserver(HLockObserver observer) Set the observer to receive events
void	setPath(String lockPath) Sets the lock path for this lock.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

HLockImpl

public HLockImpl(String lockPath,
         String lockId)

Method Detail

getPath

public String getPath()

Specified by:

getPath in interface HLock

Returns:

the lock path shared among all client that refer to this lock. I.e: /Users/patricioe

setPath

public void setPath(String lockPath)

Description copied from interface: HLock

Sets the lock path for this lock.

Specified by:

setPath in interface HLock

Parameters:

lockPath - the lock path i.e.: /Users/patricioe or "aLockPathAllClientsWillAgreeOn"

getLockId

public String getLockId()

Specified by:

getLockId in interface HLock

Returns:

the lock id assigned to this lock after this lock is placed

setLockId

public void setLockId(String lockId)

Description copied from interface: HLock

Sets the lock id (UID) that identifies uniquely this lock object

Specified by:

setLockId in interface HLock

Parameters:

lockId - unique lock id that identifies uniquely a client. This is for internal usage only. Users don't and should not call this setter.

isAcquired

public boolean isAcquired()

Specified by:

isAcquired in interface HLock

Returns:

whether this lock as been successfully acquired or not

setAcquired

public void setAcquired(boolean acquired)

setObserver

public void setObserver(HLockObserver observer)

Description copied from interface: HLock

Set the observer to receive events

Specified by:

setObserver in interface HLock

getObserver

public HLockObserver getObserver()

Description copied from interface: HLock

Get the observer for this lock

Specified by:

getObserver in interface HLock

Returns:

the observer

getHeartbeat

public Future<Void> getHeartbeat()

Returns:

the heartbeat

setHeartbeat

public void setHeartbeat(Future<Void> heartbeat)

Parameters:

heartbeat - the heartbeat to set

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object