Java tutorial
/* * 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; import org.apache.thrift.async.AsyncMethodCallback; import org.apache.thrift.protocol.TMessage; import org.apache.thrift.protocol.TProtocol; import org.apache.thrift.server.AbstractNonblockingServer; public abstract class AsyncProcessFunction<I, T extends TBase, R> { final String methodName; public AsyncProcessFunction(String methodName) { this.methodName = methodName; } protected abstract boolean isOneway(); public abstract void start(I iface, T args, AsyncMethodCallback<R> resultHandler) throws TException; public abstract T getEmptyArgsInstance(); public abstract AsyncMethodCallback<R> getResultHandler(final AbstractNonblockingServer.AsyncFrameBuffer fb, int seqid); public String getMethodName() { return methodName; } public void sendResponse(final AbstractNonblockingServer.AsyncFrameBuffer fb, final TSerializable result, final byte type, final int seqid) throws TException { TProtocol oprot = fb.getOutputProtocol(); oprot.writeMessageBegin(new TMessage(getMethodName(), type, seqid)); result.write(oprot); oprot.writeMessageEnd(); oprot.getTransport().flush(); fb.responseReady(); } }