1 /*
2 * #%L
3 * ValidatingReplyCallback.java - mongodb-async-driver - Allanbank Consulting, Inc.
4 * %%
5 * Copyright (C) 2011 - 2014 Allanbank Consulting, Inc.
6 * %%
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * #L%
19 */
20
21 package com.allanbank.mongodb.client.callback;
22
23 import com.allanbank.mongodb.MongoDbException;
24 import com.allanbank.mongodb.client.message.Reply;
25
26 /**
27 * ValidatingCallback to expect and extract a single document from the reply.
28 * The document is checked for errors but then ignored.
29 *
30 * @api.no This class is <b>NOT</b> part of the drivers API. This class may be
31 * mutated in incompatible ways between any two releases of the driver.
32 * @copyright 2014, Allanbank Consulting, Inc., All Rights Reserved
33 */
34 public class ValidatingReplyCallback extends AbstractReplyCallback<Reply> {
35
36 /**
37 * Create a new ValidatingReplyCallback.
38 *
39 * @param delegate
40 * The delegate that we can wait on for the reply.
41 */
42 public ValidatingReplyCallback(final FutureReplyCallback delegate) {
43 super(delegate);
44 }
45
46 /**
47 * {@inheritDoc}
48 * <p>
49 * Overridden to return true as there is no additional processing.
50 * </p>
51 */
52 @Override
53 public boolean isLightWeight() {
54 return true;
55 }
56
57 /**
58 * {@inheritDoc}
59 * <p>
60 * Overridden to return the original reply.
61 * </p>
62 */
63 @Override
64 protected Reply convert(final Reply reply) throws MongoDbException {
65 return reply;
66 }
67 }