org.apache.shardingsphere.governance.core.lock

Class ShardingSphereDistributeLock

java.lang.Object

org.apache.shardingsphere.governance.core.lock.ShardingSphereDistributeLock

All Implemented Interfaces:

org.apache.shardingsphere.infra.lock.ShardingSphereLock

public final class ShardingSphereDistributeLock
extends Object
implements org.apache.shardingsphere.infra.lock.ShardingSphereLock

ShardingSphere distribute lock.

Constructor Summary

Constructors

Constructor and Description
ShardingSphereDistributeLock(RegistryCenterRepository registryCenterRepository, long lockTimeoutMilliseconds)

Method Summary

Modifier and Type	Method and Description
long	getDefaultTimeOut()
boolean	isLocked(String lockName)
boolean	isReleased(String lockName)
void	releaseLock(String lockName)
void	renew(org.apache.shardingsphere.infra.lock.InnerLockReleasedEvent event) Release inner lock.
void	renew(LockNotificationEvent event) Add locked resource and ack lock.
void	renew(LockReleasedEvent event) Release lock.
void	renew(PropertiesChangedEvent event) Renew lock time out.
boolean	tryLock(String lockName)
boolean	tryLock(String lockName, long timeoutMilliseconds)

Methods inherited from class java.lang.Object

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

Constructor Detail

ShardingSphereDistributeLock

public ShardingSphereDistributeLock(RegistryCenterRepository registryCenterRepository,
                                    long lockTimeoutMilliseconds)

Method Detail

tryLock

public boolean tryLock(String lockName)

Specified by:

tryLock in interface org.apache.shardingsphere.infra.lock.ShardingSphereLock

tryLock

public boolean tryLock(String lockName,
                       long timeoutMilliseconds)

Specified by:

tryLock in interface org.apache.shardingsphere.infra.lock.ShardingSphereLock

releaseLock

public void releaseLock(String lockName)

Specified by:

releaseLock in interface org.apache.shardingsphere.infra.lock.ShardingSphereLock

isLocked

public boolean isLocked(String lockName)

Specified by:

isLocked in interface org.apache.shardingsphere.infra.lock.ShardingSphereLock

isReleased

public boolean isReleased(String lockName)

Specified by:

isReleased in interface org.apache.shardingsphere.infra.lock.ShardingSphereLock

getDefaultTimeOut

public long getDefaultTimeOut()

Specified by:

getDefaultTimeOut in interface org.apache.shardingsphere.infra.lock.ShardingSphereLock

renew

public void renew(PropertiesChangedEvent event)

Renew lock time out.

Parameters:

event - properties changed event

renew

public void renew(LockNotificationEvent event)

Add locked resource and ack lock.

Parameters:

event - lock notification event

renew

public void renew(LockReleasedEvent event)

Release lock.

Parameters:

event - lock released event

renew

public void renew(org.apache.shardingsphere.infra.lock.InnerLockReleasedEvent event)

Release inner lock.

Parameters:

event - inner lock released event