Package org.flowable.common.engine.impl.lock

Class LockManagerImpl

java.lang.Object

org.flowable.common.engine.impl.lock.LockManagerImpl

All Implemented Interfaces:

LockManager

public class LockManagerImpl
extends Object
implements LockManager

Author:

Filip Hrisafov

Field Summary

Fields

Modifier and Type	Field	Description
protected CommandExecutor	commandExecutor
protected String	engineType
protected boolean	hasAcquiredLock
protected static final int	LOCK_NAME_MAX_LENGTH
protected CommandConfig	lockCommandConfig
protected Duration	lockForceAcquireAfter
protected String	lockName
protected Duration	lockPollRate
protected static final org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Constructor	Description
LockManagerImpl(CommandExecutor commandExecutor, String lockName, Duration lockPollRate, String engineType)
LockManagerImpl(CommandExecutor commandExecutor, String lockName, Duration lockPollRate, Duration forceAcquireAfter, String engineType)

Method Summary

Modifier and Type	Method	Description
boolean	acquireLock()
boolean	acquireLock(Duration lockForceAcquireAfter)
protected <T> T	executeCommand(Command<T> command)
protected Duration	getLockPollRate()
void	releaseAndDeleteLock()
void	releaseLock()
void	waitForLock(Duration waitTime)
<T> T	waitForLockRunAndRelease(Duration waitTime, Supplier<T> supplier)

Methods inherited from class java.lang.Object

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

Field Details

LOGGER

protected static final org.slf4j.Logger LOGGER

LOCK_NAME_MAX_LENGTH

protected static final int LOCK_NAME_MAX_LENGTH

See Also:

• Constant Field Values

commandExecutor

protected CommandExecutor commandExecutor

lockName

protected String lockName

lockPollRate

protected Duration lockPollRate

engineType

protected String engineType

lockCommandConfig

protected CommandConfig lockCommandConfig

hasAcquiredLock

protected boolean hasAcquiredLock

lockForceAcquireAfter

protected Duration lockForceAcquireAfter

Constructor Details

LockManagerImpl

public LockManagerImpl(CommandExecutor commandExecutor,
 String lockName,
 Duration lockPollRate,
 String engineType)

LockManagerImpl

public LockManagerImpl(CommandExecutor commandExecutor,
 String lockName,
 Duration lockPollRate,
 Duration forceAcquireAfter,
 String engineType)

Method Details

waitForLock

public void waitForLock(Duration waitTime)

Specified by:

waitForLock in interface LockManager

acquireLock

public boolean acquireLock()

Specified by:

acquireLock in interface LockManager

acquireLock

public boolean acquireLock(Duration lockForceAcquireAfter)

Specified by:

acquireLock in interface LockManager

releaseLock

public void releaseLock()

Specified by:

releaseLock in interface LockManager

releaseAndDeleteLock

public void releaseAndDeleteLock()

Specified by:

releaseAndDeleteLock in interface LockManager

waitForLockRunAndRelease

public <T> T waitForLockRunAndRelease(Duration waitTime,
 Supplier<T> supplier)

Specified by:

waitForLockRunAndRelease in interface LockManager

executeCommand

protected <T> T executeCommand(Command<T> command)

getLockPollRate

protected Duration getLockPollRate()