| // 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; |
| import com.google.devtools.build.lib.analysis.NoBuildRequestFinishedEvent; |
| |
| /** |
| * 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); |
| } |
| |
| @Subscribe |
| public void noBuildFinished(NoBuildRequestFinishedEvent event) { |
| eventHandler.noBuildFinished(event); |
| } |
| } |