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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;
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();
}
}
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