/*
* Javolution - Java(TM) Solution for Real-Time and Embedded Systems
* Copyright (C) 2012 - Javolution (http://javolution.org/)
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software is
* freely granted, provided that this notice is preserved.
*/
package javolution.util.internal.set;
import javolution.util.internal.ReadWriteLockImpl;
import javolution.util.internal.collection.SharedCollectionImpl;
import javolution.util.service.SetService;
/**
* A shared view over a set allowing concurrent access and sequential updates.
*/
public class SharedSetImpl<E> extends SharedCollectionImpl<E> implements
SetService<E> {
private static final long serialVersionUID = 0x600L; // Version.
public SharedSetImpl(SetService<E> target) {
super(target);
}
public SharedSetImpl(SetService<E> target, ReadWriteLockImpl lock) {
super(target, lock);
}
@SuppressWarnings("unchecked")
@Override
public SetService<E>[] split(int n, boolean updateable) {
SetService<E>[] tmp;
lock.readLock.lock();
try {
tmp = target().split(n, updateable);
} finally {
lock.readLock.unlock();
}
SetService<E>[] result = new SetService[tmp.length];
for (int i = 0; i < tmp.length; i++) {
result[i] = new SharedSetImpl<E>(tmp[i], lock); // Shares the same locks.
}
return result;
}
@Override
protected SetService<E> target() {
return (SetService<E>) super.target();
}
}