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/*
* © Copyright IBM Corp. 2012-2013
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.ibm.commons.util;
import java.util.Iterator;
import java.util.NoSuchElementException;
/**
* Empty iterator.
* @ibm-api
*/
public final class EmptyIterator implements Iterator {
private static EmptyIterator emptyIterator=new EmptyIterator();
/**
* Return a shared instance of an rmpty iterator.
* @ibm-api
*/
public static EmptyIterator getInstance() {
return emptyIterator;
}
public boolean hasNext() {
return false;
}
public Object next() {
throw new NoSuchElementException();
}
public void remove() {
throw new UnsupportedOperationException();
}
}