| // Copyright 2019 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.EventBus; |
| import com.google.common.eventbus.Subscribe; |
| import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos.BuildMetrics; |
| import com.google.devtools.build.lib.buildtool.buildevent.BuildCompleteEvent; |
| import com.google.devtools.build.lib.metrics.BuildMetricsEvent; |
| |
| /** |
| * Non-functional variant of {@code MetricsModule} to be supplied by the BlazeRuntime when |
| * MetricsModule is not installed (tests). |
| */ |
| public class DummyMetricsModule extends BlazeModule { |
| |
| @Override |
| public void beforeCommand(CommandEnvironment env) { |
| EventBus eventBus = env.getEventBus(); |
| eventBus.register(new DummyMetricsCollector(eventBus)); |
| } |
| |
| @Override |
| public boolean postsBuildMetricsEvent() { |
| return true; |
| } |
| |
| /** |
| * Non-functional variant of {@code MetricsCollector} that posts an empty BuildMetricsEvent after |
| * the build completes. |
| */ |
| static final class DummyMetricsCollector { |
| |
| private final EventBus eventBus; |
| |
| DummyMetricsCollector(EventBus eventBus) { |
| this.eventBus = eventBus; |
| } |
| |
| @Subscribe |
| public void onBuildComplete(BuildCompleteEvent event) { |
| eventBus.post(BuildMetricsEvent.create(BuildMetrics.getDefaultInstance())); |
| } |
| } |
| } |