Package io.ocfl.core.lock

Class InMemoryObjectLock

java.lang.Object

io.ocfl.core.lock.InMemoryObjectLock

All Implemented Interfaces:

ObjectLock

public class InMemoryObjectLock
extends Object
implements ObjectLock

In-memory implementation of ObjectLock that uses Java's ReentrantReadWriteLock.

Constructor Summary

Constructors

Constructor	Description
InMemoryObjectLock(long waitTime, TimeUnit timeUnit)	How long to wait when attempting to acquire a lock.

Method Summary

Modifier and Type	Method	Description
void	doInWriteLock(String objectId, Runnable doInLock)	Executes the code block after securing a write lock on the objectId.
<T> T	doInWriteLock(String objectId, Callable<T> doInLock)	Executes the code block after securing a write lock on the objectId.

Methods inherited from class java.lang.Object

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

Constructor Details

InMemoryObjectLock

public InMemoryObjectLock(long waitTime,
 TimeUnit timeUnit)

How long to wait when attempting to acquire a lock.

Parameters:

waitTime - how long to wait for the lock

timeUnit - unit of wait time

Method Details

doInWriteLock

public void doInWriteLock(String objectId,
 Runnable doInLock)

Executes the code block after securing a write lock on the objectId. The lock is released after the block completes.

Specified by:

doInWriteLock in interface ObjectLock

Parameters:

objectId - id of the object

doInLock - block to execute within the lock

doInWriteLock

public <T> T doInWriteLock(String objectId,
 Callable<T> doInLock)

Executes the code block after securing a write lock on the objectId. The lock is released after the block completes.

Specified by:

doInWriteLock in interface ObjectLock

Type Parameters:

T - return type

Parameters:

objectId - id of the object

doInLock - block to execute within the lock

Returns:

object