| /* |
| * 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.Iterator; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.internal.util.lang.GridCursor; |
| |
| /** |
| * Wrap {@code Iterator} and adapt it to {@code GridCursor}. |
| */ |
| public class GridCursorIteratorWrapper<V> implements GridCursor<V> { |
| /** Iterator. */ |
| private Iterator<V> iter; |
| |
| /** Next. */ |
| private V next; |
| |
| /** |
| * @param iter Iterator. |
| */ |
| public GridCursorIteratorWrapper(Iterator<V> iter) { |
| this.iter = iter; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public V get() throws IgniteCheckedException { |
| return next; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public boolean next() throws IgniteCheckedException { |
| next = iter.hasNext() ? iter.next() : null; |
| |
| return next != null; |
| } |
| } |