io.grpc.ForwardingServerCall Maven / Gradle / Ivy
/*
* Copyright 2015 The gRPC Authors
*
* Licensed 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 io.grpc;
/**
* A {@link ServerCall} which forwards all of its methods to another {@link ServerCall}.
*/
public abstract class ForwardingServerCall
extends PartialForwardingServerCall {
/**
* Returns the delegated {@code ServerCall}.
*/
@Override
protected abstract ServerCall delegate();
@Override
public void sendMessage(RespT message) {
delegate().sendMessage(message);
}
@Override
public MethodDescriptor getMethodDescriptor() {
return delegate().getMethodDescriptor();
}
/**
* A simplified version of {@link ForwardingServerCall} where subclasses can pass in a {@link
* ServerCall} as the delegate.
*/
public abstract static class SimpleForwardingServerCall
extends ForwardingServerCall {
private final ServerCall delegate;
protected SimpleForwardingServerCall(ServerCall delegate) {
this.delegate = delegate;
}
@Override
protected ServerCall delegate() {
return delegate;
}
}
}