ClusterConnectionListener.java

/**
 * Copyright 2016 Nikita Koksharov
 *
 * 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.redisson.cluster;

import org.redisson.api.NodeType;
import org.redisson.client.RedisConnection;
import org.redisson.client.RedisException;
import org.redisson.client.protocol.RedisCommands;
import org.redisson.config.MasterSlaveServersConfig;
import org.redisson.connection.DefaultConnectionListener;
import org.redisson.connection.FutureConnectionListener;

public class ClusterConnectionListener extends DefaultConnectionListener {

    private final boolean readFromSlaves;

    public ClusterConnectionListener(boolean readFromSlaves) {
        this.readFromSlaves = readFromSlaves;
    }

    @Override
    public void doConnect(MasterSlaveServersConfig config, NodeType serverMode, FutureConnectionListener<? extends RedisConnection> connectionListener) throws RedisException {
        super.doConnect(config, serverMode, connectionListener);
        if (serverMode == NodeType.SLAVE && readFromSlaves) {
            connectionListener.addCommand(RedisCommands.READONLY);
        }
    }

}