Package io.keikai.model.util

Class ReadWriteTask<T>

java.lang.Object

io.keikai.model.util.ReadWriteTask<T>

public abstract class ReadWriteTask<T>
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	Description
ReadWriteTask()

Method Summary

Modifier and Type	Method	Description
T	doInReadLock(ReadWriteLock lock)	Call invoke() after acquiring a read lock, and then release it.
T	doInWriteLock(ReadWriteLock lock)	Call invoke() after acquiring a write lock, and then release it.
abstract T	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 Details

ReadWriteTask

public ReadWriteTask()

Method Details

invoke

public abstract T 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 T doInWriteLock(ReadWriteLock lock)

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

doInReadLock

public T doInReadLock(ReadWriteLock lock)

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