reactor.rx.action.metrics.ElapsedAction Maven / Gradle / Ivy
/*
* Copyright (c) 2011-2014 Pivotal Software, Inc.
*
* 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 reactor.rx.action.metrics;
import org.reactivestreams.Subscription;
import reactor.fn.tuple.Tuple;
import reactor.fn.tuple.Tuple2;
import reactor.rx.action.Action;
/**
* @author Stephane Maldini
* @since 2.0
*/
public class ElapsedAction extends Action> {
private long lastTime;
@Override
protected void doOnSubscribe(Subscription subscription) {
super.doOnSubscribe(subscription);
lastTime = System.currentTimeMillis();
}
@Override
protected void doNext(T ev) {
long previousTime = lastTime;
lastTime = System.currentTimeMillis();
broadcastNext(Tuple.of(lastTime - previousTime, ev));
}
}