/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cassandra.thrift;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.thrift.server.TServer;
/**
* Helper implementation to create a thrift TServer based on one of the common types we support (sync, hsha),
* or a custom type by setting the fully qualified java class name in the rpc_server_type setting.
*/
public class TServerCustomFactory implements TServerFactory
{
private static Logger logger = LoggerFactory.getLogger(TServerCustomFactory.class);
private final String serverType;
public TServerCustomFactory(String serverType)
{
assert serverType != null;
this.serverType = serverType;
}
public TServer buildTServer(TServerFactory.Args args)
{
TServer server;
if (ThriftServer.SYNC.equalsIgnoreCase(serverType))
{
server = new CustomTThreadPoolServer.Factory().buildTServer(args);
}
else if(ThriftServer.ASYNC.equalsIgnoreCase(serverType))
{
server = new CustomTNonBlockingServer.Factory().buildTServer(args);
logger.info(String.format("Using non-blocking/asynchronous thrift server on %s : %s", args.addr.getHostName(), args.addr.getPort()));
}
else if(ThriftServer.HSHA.equalsIgnoreCase(serverType))
{
server = new THsHaDisruptorServer.Factory().buildTServer(args);
logger.info(String.format("Using custom half-sync/half-async thrift server on %s : %s", args.addr.getHostName(), args.addr.getPort()));
}
else
{
TServerFactory serverFactory;
try
{
serverFactory = (TServerFactory) Class.forName(serverType).newInstance();
}
catch (Exception e)
{
throw new RuntimeException("Failed to instantiate server factory:" + serverType, e);
}
server = serverFactory.buildTServer(args);
logger.info(String.format("Using custom thrift server %s on %s : %s", server.getClass().getName(), args.addr.getHostName(), args.addr.getPort()));
}
return server;
}
}