View Javadoc

1   /*
2    * Copyright 2006-2013 the original author or authors.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.springframework.batch.item;
17  
18  
19  /**
20   * Empty method implementation of {@link ItemStream}.
21   *
22   * @author Dave Syer
23   *
24   */
25  public abstract class ItemStreamSupport implements ItemStream {
26  
27  	/**
28  	 * No-op.
29  	 * @see org.springframework.batch.item.ItemStream#close()
30  	 */
31      @Override
32  	public void close() throws ItemStreamException {
33  	}
34  
35  	/**
36  	 * No-op.
37  	 * @see org.springframework.batch.item.ItemStream#open(ExecutionContext)
38  	 */
39      @Override
40  	public void open(ExecutionContext executionContext) throws ItemStreamException {
41  	}
42  
43  	/**
44  	 * Return empty {@link ExecutionContext}.
45  	 * @see org.springframework.batch.item.ItemStream#update(ExecutionContext)
46  	 */
47      @Override
48  	public void update(ExecutionContext executionContext) {
49  	}
50  
51  }