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The official Couchbase JVM Core IO Library
/*
* 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 com.couchbase.client.core.deps.io.grpc;
/**
* A {@link ServerCall.Listener} which forwards all of its methods to another {@link
* ServerCall.Listener} of matching parameterized types.
*/
public abstract class ForwardingServerCallListener
extends PartialForwardingServerCallListener {
/**
* Returns the delegated {@code ServerCall.Listener}.
*/
@Override
protected abstract ServerCall.Listener delegate();
@Override
public void onMessage(ReqT message) {
delegate().onMessage(message);
}
/**
* A simplified version of {@link ForwardingServerCallListener} where subclasses can pass in a
* {@link ServerCall.Listener} as the delegate.
*/
public abstract static class SimpleForwardingServerCallListener
extends ForwardingServerCallListener {
private final ServerCall.Listener delegate;
protected SimpleForwardingServerCallListener(ServerCall.Listener delegate) {
this.delegate = delegate;
}
@Override
protected ServerCall.Listener delegate() {
return delegate;
}
}
}