/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.internal.util.collections;
import java.util.Iterator;
/**
* @author Gavin King
*/
public final class SingletonIterator implements Iterator {
private Object value;
private boolean hasNext = true;
public boolean hasNext() {
return hasNext;
}
public Object next() {
if (hasNext) {
hasNext = false;
return value;
}
else {
throw new IllegalStateException();
}
}
public void remove() {
throw new UnsupportedOperationException();
}
public SingletonIterator(Object value) {
this.value = value;
}
}