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/*
* Copyright (C) 2009 The Guava 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 jersey.repackaged.com.google.common.util.concurrent;
import jersey.repackaged.com.google.common.annotations.Beta;
import jersey.repackaged.com.google.common.collect.ForwardingObject;
import java.util.concurrent.Executor;
/**
* A {@link Service} that forwards all method calls to another service.
*
* @deprecated Instead of using a {@link ForwardingService}, consider using the
* {@link Service.Listener} functionality to hook into the {@link Service}
* lifecycle, or if you really do need to provide access to some Service
* methods, consider just providing the few that you actually need (e.g. just
* {@link #startAndWait()}) and not implementing Service.
*
* @author Chris Nokleberg
* @since 1.0
*/
@Beta
@Deprecated
public abstract class ForwardingService extends ForwardingObject
implements Service {
/** Constructor for use by subclasses. */
protected ForwardingService() {}
@Override protected abstract Service delegate();
@Override public ListenableFuture start() {
return delegate().start();
}
@Override public State state() {
return delegate().state();
}
@Override public ListenableFuture stop() {
return delegate().stop();
}
@Override public State startAndWait() {
return delegate().startAndWait();
}
@Override public State stopAndWait() {
return delegate().stopAndWait();
}
@Override public boolean isRunning() {
return delegate().isRunning();
}
/**
* @since 13.0
*/
@Override public void addListener(Listener listener, Executor executor) {
delegate().addListener(listener, executor);
}
/**
* @since 14.0
*/
@Override public Throwable failureCause() {
return delegate().failureCause();
}
/**
* A sensible default implementation of {@link #startAndWait()}, in terms of
* {@link #start}. If you override {@link #start}, you may wish to override
* {@link #startAndWait()} to forward to this implementation.
* @since 9.0
*/
protected State standardStartAndWait() {
return Futures.getUnchecked(start());
}
/**
* A sensible default implementation of {@link #stopAndWait()}, in terms of
* {@link #stop}. If you override {@link #stop}, you may wish to override
* {@link #stopAndWait()} to forward to this implementation.
* @since 9.0
*/
protected State standardStopAndWait() {
return Futures.getUnchecked(stop());
}
}