1 /*
2 * #%L
3 * AbstractReconnectStrategy.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 package com.allanbank.mongodb.client.state;
21
22 import com.allanbank.mongodb.MongoClientConfiguration;
23 import com.allanbank.mongodb.client.connection.Connection;
24 import com.allanbank.mongodb.client.connection.ReconnectStrategy;
25 import com.allanbank.mongodb.client.connection.proxy.ProxiedConnectionFactory;
26
27 /**
28 * AbstractReconnectStrategy provides a base class for reconnection strategies.
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 2012-2013, Allanbank Consulting, Inc., All Rights Reserved
33 */
34 public abstract class AbstractReconnectStrategy implements ReconnectStrategy {
35
36 /** The configuration for connections to the servers. */
37 protected MongoClientConfiguration myConfig = null;
38
39 /** The connection factory for new connections. */
40 protected ProxiedConnectionFactory myConnectionFactory = null;
41
42 /** The selector for which server to connect to. */
43 protected ServerSelector mySelector = null;
44
45 /** The state of the cluster. */
46 protected Cluster myState = null;
47
48 /**
49 * Creates a new AbstractReconnectStrategy.
50 */
51 public AbstractReconnectStrategy() {
52 super();
53 }
54
55 /**
56 * Returns the configuration for connections to the servers.
57 *
58 * @return The configuration for connections to the servers
59 */
60 public MongoClientConfiguration getConfig() {
61 return myConfig;
62 }
63
64 /**
65 * Returns the connection factory for new connections.
66 *
67 * @return The connection factory for new connections.
68 */
69 public ProxiedConnectionFactory getConnectionFactory() {
70 return myConnectionFactory;
71 }
72
73 /**
74 * Returns the selector for which server to connect to.
75 *
76 * @return The selector for which server to connect to.
77 */
78 public ServerSelector getSelector() {
79 return mySelector;
80 }
81
82 /**
83 * Returns the state of the cluster.
84 *
85 * @return The state of the cluster.
86 */
87 public Cluster getState() {
88 return myState;
89 }
90
91 /**
92 * {@inheritDoc}
93 */
94 @Override
95 public void setConfig(final MongoClientConfiguration config) {
96 myConfig = config;
97 }
98
99 /**
100 * {@inheritDoc}
101 */
102 @Override
103 public void setConnectionFactory(
104 final ProxiedConnectionFactory connectionFactory) {
105 myConnectionFactory = connectionFactory;
106 }
107
108 /**
109 * {@inheritDoc}
110 */
111 @Override
112 public void setSelector(final ServerSelector selector) {
113 mySelector = selector;
114 }
115
116 /**
117 * {@inheritDoc}
118 */
119 @Override
120 public void setState(final Cluster state) {
121 myState = state;
122 }
123
124 /**
125 * Pings the server to verify that the connection is active.
126 *
127 * @param server
128 * The server being connected to.
129 * @param connection
130 * The connection to verify.
131 * @return True if the connection is working, false otherwise.
132 */
133 protected boolean isConnected(final Server server,
134 final Connection connection) {
135 return ClusterPinger.ping(server, connection);
136 }
137
138 }