| /* |
| * 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.ignite.internal.util; |
| |
| import java.util.NoSuchElementException; |
| import org.apache.ignite.internal.util.lang.GridIteratorAdapter; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| |
| /** |
| * Empty iterator. |
| */ |
| public class GridEmptyIterator<T> extends GridIteratorAdapter<T> { |
| /** */ |
| private static final long serialVersionUID = 0L; |
| |
| /** {@inheritDoc} */ |
| @Override public boolean hasNextX() { |
| return false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public T nextX() { |
| throw new NoSuchElementException("Iterator is empty."); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void removeX() { |
| throw new NoSuchElementException("Iterator is empty."); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(GridEmptyIterator.class, this); |
| } |
| } |