// Copyright 2016 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.runtime;
import com.google.common.eventbus.Subscribe;
import com.google.devtools.build.lib.analysis.NoBuildEvent;
/**
* A passive version of {@link ExperimentalEventHandler}.
*
* Given an {@link ExperimentalEventHandler}, generate a wrapper class, that
* only subscribes to events that only modify its internal state, but do not
* produce any output.
*/
public class PassiveExperimentalEventHandler {
private final ExperimentalEventHandler eventHandler;
public PassiveExperimentalEventHandler(ExperimentalEventHandler eventHandler) {
this.eventHandler = eventHandler;
}
@Subscribe
public void noBuild(NoBuildEvent event) {
eventHandler.noBuild(event);
}
}