/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.commons.collections4.iterators;
import org.apache.commons.collections4.OrderedIterator;
import org.apache.commons.collections4.ResettableIterator;
Provides an implementation of an empty ordered iterator.
Since: 3.1
/**
* Provides an implementation of an empty ordered iterator.
*
* @since 3.1
*/
public class EmptyOrderedIterator<E> extends AbstractEmptyIterator<E>
implements OrderedIterator<E>, ResettableIterator<E> {
Singleton instance of the iterator.
Since: 3.1
/**
* Singleton instance of the iterator.
* @since 3.1
*/
@SuppressWarnings("rawtypes")
public static final OrderedIterator INSTANCE = new EmptyOrderedIterator<>();
Typed instance of the iterator.
Type parameters: - <E> – the element type
Returns: OrderedIterator<E>
/**
* Typed instance of the iterator.
* @param <E> the element type
* @return OrderedIterator<E>
*/
@SuppressWarnings("unchecked")
public static <E> OrderedIterator<E> emptyOrderedIterator() {
return INSTANCE;
}
Constructor.
/**
* Constructor.
*/
protected EmptyOrderedIterator() {
super();
}
}