org.apache.calcite.avatica.remote.ProtobufHandler Maven / Gradle / Ivy
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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.calcite.avatica.remote;
import org.apache.calcite.avatica.remote.Service.Response;
import java.io.IOException;
/**
* Dispatches serialized protocol buffer messages to the provided {@link Service}
* by converting them to the POJO Request. Returns back the serialized protocol
* buffer response.
*/
public class ProtobufHandler extends AbstractHandler {
private final ProtobufTranslation translation;
public ProtobufHandler(Service service, ProtobufTranslation translation) {
super(service);
this.translation = translation;
}
@Override public HandlerResponse apply(byte[] requestBytes) {
return super.apply(requestBytes);
}
@Override Service.Request decode(byte[] serializedRequest) throws IOException {
return translation.parseRequest(serializedRequest);
}
@Override byte[] encode(Response response) throws IOException {
return translation.serializeResponse(response);
}
}
// End ProtobufHandler.java