/*
* Copyright 2011 the original author or authors.
*
* Licensed 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.springframework.data.keyvalue.redis.connection.rjc;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.idevlab.rjc.ds.DataSource;
import org.idevlab.rjc.ds.PoolableDataSource;
import org.idevlab.rjc.ds.SimpleDataSource;
import org.idevlab.rjc.protocol.Protocol;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.dao.DataAccessException;
import org.springframework.data.keyvalue.redis.connection.RedisConnection;
import org.springframework.data.keyvalue.redis.connection.RedisConnectionFactory;
import org.springframework.data.keyvalue.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.util.Assert;
/**
* Connection factory creating <a href="http://github.com/e-mzungu/rjc/">rjc</a> based connections.
*
* @author Costin Leau
*/
public class RjcConnectionFactory implements InitializingBean, DisposableBean, RedisConnectionFactory {
private final static Log log = LogFactory.getLog(JedisConnectionFactory.class);
private String hostName = "localhost";
private int port = Protocol.DEFAULT_PORT;
private int timeout = Protocol.DEFAULT_TIMEOUT;
private String password;
private boolean usePool = true;
private int dbIndex = 0;
private DataSource dataSource;
/**
* Constructs a new <code>RjcConnectionFactory</code> instance
* with default settings (default connection pooling, no shard information).
*/
public RjcConnectionFactory() {
}
public void afterPropertiesSet() {
if (usePool) {
PoolableDataSource pool = new PoolableDataSource();
pool.setHost(hostName);
pool.setPort(port);
pool.setPassword(password);
pool.setTimeout(timeout);
pool.init();
dataSource = pool;
}
else {
dataSource = new SimpleDataSource(hostName, port, timeout, password);
}
}
public void destroy() {
if (usePool && dataSource != null) {
try {
((PoolableDataSource) dataSource).close();
} catch (Exception ex) {
log.warn("Cannot properly close Rjc pool", ex);
}
dataSource = null;
}
}
@Override
public RedisConnection getConnection() {
return postProcessConnection(new RjcConnection(dataSource.getConnection(), dbIndex));
}
/**
* Post process a newly retrieved connection. Useful for decorating or executing
* initialization commands on a new connection.
* This implementation simply returns the connection.
*
* @param connection
* @return processed connection
*/
protected RjcConnection postProcessConnection(RjcConnection connection) {
return connection;
}
@Override
public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
return RjcUtils.convertRjcAccessException(ex);
}
/**
* Returns the Redis hostName.
*
* @return Returns the hostName
*/
public String getHostName() {
return hostName;
}
/**
* Sets the Redis hostName.
*
* @param hostName The hostName to set.
*/
public void setHostName(String hostName) {
this.hostName = hostName;
}
/**
* Returns the password used for authenticating with the Redis server.
*
* @return password for authentication
*/
public String getPassword() {
return password;
}
/**
* Sets the password used for authenticating with the Redis server.
*
* @param password the password to set
*/
public void setPassword(String password) {
this.password = password;
}
/**
* Returns the port used to connect to the Redis instance.
*
* @return Redis port.
*/
public int getPort() {
return port;
}
/**
* Sets the port used to connect to the Redis instance.
*
* @param port Redis port
*/
public void setPort(int port) {
this.port = port;
}
/**
* Returns the timeout.
*
* @return Returns the timeout
*/
public int getTimeout() {
return timeout;
}
/**
* @param timeout The timeout to set.
*/
public void setTimeout(int timeout) {
this.timeout = timeout;
}
/**
* Indicates the use of a connection pool.
*
* @return Returns the use of connection pooling.
*/
public boolean getUsePool() {
return usePool;
}
/**
* Turns on or off the use of connection pooling.
*
* @param usePool The usePool to set.
*/
public void setUsePool(boolean usePool) {
this.usePool = usePool;
}
/**
* Returns the index of the database.
*
* @return Returns the database index
*/
public int getDatabase() {
return dbIndex;
}
/**
* Sets the index of the database used by this connection factory.
* Can be between 0 (default) and 15.
*
* @param index database index
*/
public void setDatabase(int index) {
Assert.isTrue(index >= 0, "invalid DB index (a positive index required)");
this.dbIndex = index;
}
}