io.keikai.model.util

Class ReadWriteTask

java.lang.Object

io.keikai.model.util.ReadWriteTask

public abstract class ReadWriteTask
extends Object

Use this class to help you concurrently access book model safely. Usage: implement your model-accessing logic in invoke() method.

Since:

3.5.0

Author:

dennis

Constructor Summary

Constructors

Constructor and Description
ReadWriteTask()

Method Summary

Modifier and Type	Method and Description
Object	doInReadLock(ReadWriteLock lock) Call invoke() after acquiring a read lock, and then release it.
Object	doInWriteLock(ReadWriteLock lock) Call invoke() after acquiring a write lock, and then release it.
abstract Object	invoke() The method will be invoked after acquiring a read-write lock and release the lock after invocation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadWriteTask

public ReadWriteTask()

Method Detail

invoke

public abstract Object invoke()

The method will be invoked after acquiring a read-write lock and release the lock after invocation. So implement your model-accessing logic in this method.

Returns:

depends on your logic

doInWriteLock

public Object doInWriteLock(ReadWriteLock lock)

Call invoke() after acquiring a write lock, and then release it.

doInReadLock

public Object doInReadLock(ReadWriteLock lock)

Call invoke() after acquiring a read lock, and then release it.