io.mongock.driver.core.lock

Class LockManagerDefault

java.lang.Object

java.lang.Thread

io.mongock.driver.core.lock.LockManagerDefault

All Implemented Interfaces:

LockManager, Closeable, AutoCloseable, Runnable

@NotThreadSafe
public class LockManagerDefault
extends Thread
implements LockManager

This class is responsible of managing the lock at high level. It provides 3 main methods which are for acquiring, ensuring(doesn't acquires the lock, just refresh the expiration time if required) and releasing the lock.

Note that this class is not threadSafe and it's not intended to be used by multiple executors. Each of them should acquire a new lock(different key).

life cycle: - acquire - ensure x N - release

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LockManagerDefault.DefaultLockManagerBuilder

Nested classes/interfaces inherited from class java.lang.Thread

Thread.State, Thread.UncaughtExceptionHandler

Field Summary

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Method Summary

Modifier and Type	Method and Description
void	acquireLockDefault()
static LockManagerDefault.DefaultLockManagerBuilder	builder()
void	close()
void	ensureLockDefault()
String	getDefaultKey()
long	getLockTryFrequency()
String	getOwner()
boolean	isLockHeld()
boolean	isReleaseStarted()
void	releaseLockDefault()
void	run()
void	start()

Methods inherited from class java.lang.Thread

activeCount, checkAccess, clone, countStackFrames, currentThread, destroy, dumpStack, enumerate, getAllStackTraces, getContextClassLoader, getDefaultUncaughtExceptionHandler, getId, getName, getPriority, getStackTrace, getState, getThreadGroup, getUncaughtExceptionHandler, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setDefaultUncaughtExceptionHandler, setName, setPriority, setUncaughtExceptionHandler, sleep, sleep, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Method Detail

builder

public static LockManagerDefault.DefaultLockManagerBuilder builder()

getDefaultKey

public String getDefaultKey()

Specified by:

getDefaultKey in interface LockManager

acquireLockDefault

public void acquireLockDefault()
                        throws LockCheckException

Specified by:

acquireLockDefault in interface LockManager

Throws:

LockCheckException

ensureLockDefault

public void ensureLockDefault()
                       throws LockCheckException

Specified by:

ensureLockDefault in interface LockManager

Throws:

LockCheckException

run

public void run()

Specified by:

run in interface Runnable

Overrides:

run in class Thread

releaseLockDefault

public void releaseLockDefault()

Specified by:

releaseLockDefault in interface LockManager

close

public void close()

Specified by:

close in interface LockManager

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

isReleaseStarted

public boolean isReleaseStarted()

Specified by:

isReleaseStarted in interface LockManager

getLockTryFrequency

public long getLockTryFrequency()

Specified by:

getLockTryFrequency in interface LockManager

getOwner

public String getOwner()

Specified by:

getOwner in interface LockManager

isLockHeld

public boolean isLockHeld()

Specified by:

isLockHeld in interface LockManager

start

public void start()

Overrides:

start in class Thread