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/*
* 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.thrift.server;
import org.apache.thrift.TProcessor;
import org.apache.thrift.TProcessorFactory;
import org.apache.thrift.protocol.TBinaryProtocol;
import org.apache.thrift.protocol.TProtocolFactory;
import org.apache.thrift.transport.TServerTransport;
import org.apache.thrift.transport.TTransportFactory;
/** Generic interface for a Thrift server. */
public abstract class TServer {
public static class Args extends AbstractServerArgs<Args> {
public Args(TServerTransport transport) {
super(transport);
}
}
public abstract static class AbstractServerArgs<T extends AbstractServerArgs<T>> {
final TServerTransport serverTransport;
TProcessorFactory processorFactory;
TTransportFactory inputTransportFactory = new TTransportFactory();
TTransportFactory outputTransportFactory = new TTransportFactory();
TProtocolFactory inputProtocolFactory = new TBinaryProtocol.Factory();
TProtocolFactory outputProtocolFactory = new TBinaryProtocol.Factory();
public AbstractServerArgs(TServerTransport transport) {
serverTransport = transport;
}
public T processorFactory(TProcessorFactory factory) {
this.processorFactory = factory;
return (T) this;
}
public T processor(TProcessor processor) {
this.processorFactory = new TProcessorFactory(processor);
return (T) this;
}
public T transportFactory(TTransportFactory factory) {
this.inputTransportFactory = factory;
this.outputTransportFactory = factory;
return (T) this;
}
public T inputTransportFactory(TTransportFactory factory) {
this.inputTransportFactory = factory;
return (T) this;
}
public T outputTransportFactory(TTransportFactory factory) {
this.outputTransportFactory = factory;
return (T) this;
}
public T protocolFactory(TProtocolFactory factory) {
this.inputProtocolFactory = factory;
this.outputProtocolFactory = factory;
return (T) this;
}
public T inputProtocolFactory(TProtocolFactory factory) {
this.inputProtocolFactory = factory;
return (T) this;
}
public T outputProtocolFactory(TProtocolFactory factory) {
this.outputProtocolFactory = factory;
return (T) this;
}
}
/** Core processor */
protected TProcessorFactory processorFactory_;
/** Server transport */
protected TServerTransport serverTransport_;
/** Input Transport Factory */
protected TTransportFactory inputTransportFactory_;
/** Output Transport Factory */
protected TTransportFactory outputTransportFactory_;
/** Input Protocol Factory */
protected TProtocolFactory inputProtocolFactory_;
/** Output Protocol Factory */
protected TProtocolFactory outputProtocolFactory_;
private volatile boolean isServing;
protected TServerEventHandler eventHandler_;
// Flag for stopping the server
// Please see THRIFT-1795 for the usage of this flag
protected volatile boolean stopped_ = false;
protected TServer(AbstractServerArgs args) {
processorFactory_ = args.processorFactory;
serverTransport_ = args.serverTransport;
inputTransportFactory_ = args.inputTransportFactory;
outputTransportFactory_ = args.outputTransportFactory;
inputProtocolFactory_ = args.inputProtocolFactory;
outputProtocolFactory_ = args.outputProtocolFactory;
}
/** The run method fires up the server and gets things going. */
public abstract void serve();
/**
* Stop the server. This is optional on a per-implementation basis. Not all servers are required
* to be cleanly stoppable.
*/
public void stop() {}
public boolean isServing() {
return isServing;
}
protected void setServing(boolean serving) {
isServing = serving;
}
public void setServerEventHandler(TServerEventHandler eventHandler) {
eventHandler_ = eventHandler;
}
public TServerEventHandler getEventHandler() {
return eventHandler_;
}
public boolean getShouldStop() {
return this.stopped_;
}
public void setShouldStop(boolean shouldStop) {
this.stopped_ = shouldStop;
}
}
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