com.arangodb.shaded.vertx.core.eventbus.impl.BodyReadStream Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2019 Contributors to the Eclipse Foundation
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
* which is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
*/
package com.arangodb.shaded.vertx.core.eventbus.impl;
import com.arangodb.shaded.vertx.core.Handler;
import com.arangodb.shaded.vertx.core.eventbus.Message;
import com.arangodb.shaded.vertx.core.streams.ReadStream;
/**
* A body stream that transform a ReadStream<Message<T>> into a
* ReadStream<T>.
*
* @author Julien Viet
*/
public class BodyReadStream implements ReadStream {
private ReadStream> delegate;
public BodyReadStream(ReadStream> delegate) {
this.delegate = delegate;
}
@Override
public ReadStream exceptionHandler(Handler handler) {
delegate.exceptionHandler(handler);
return this;
}
@Override
public ReadStream handler(Handler handler) {
if (handler != null) {
delegate.handler(message -> handler.handle(message.body()));
} else {
delegate.handler(null);
}
return this;
}
@Override
public ReadStream pause() {
delegate.pause();
return this;
}
@Override
public ReadStream fetch(long amount) {
delegate.fetch(amount);
return this;
}
@Override
public ReadStream resume() {
delegate.resume();
return this;
}
@Override
public ReadStream endHandler(Handler endHandler) {
delegate.endHandler(endHandler);
return this;
}
}