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// Copyright 2014 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.actions;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.buildeventstream.BuildEvent;
import com.google.devtools.build.lib.buildeventstream.BuildEventConverters;
import com.google.devtools.build.lib.buildeventstream.BuildEventId;
import com.google.devtools.build.lib.buildeventstream.BuildEventStreamProtos;
import com.google.devtools.build.lib.buildeventstream.BuildEventWithConfiguration;
import com.google.devtools.build.lib.buildeventstream.GenericBuildEvent;
import com.google.devtools.build.lib.buildeventstream.NullConfiguration;
import com.google.devtools.build.lib.buildeventstream.PathConverter;
import com.google.devtools.build.lib.util.Preconditions;
import com.google.devtools.build.lib.vfs.Path;
import java.util.Collection;
/**
* This event is fired during the build, when an action is executed. It contains information about
* the action: the Action itself, and the output file names its stdout and stderr are recorded in.
*/
public class ActionExecutedEvent implements BuildEventWithConfiguration {
private final Action action;
private final ActionExecutionException exception;
private final Path stdout;
private final Path stderr;
private final ErrorTiming timing;
public ActionExecutedEvent(
Action action,
ActionExecutionException exception,
Path stdout,
Path stderr,
ErrorTiming timing) {
this.action = action;
this.exception = exception;
this.stdout = stdout;
this.stderr = stderr;
this.timing = timing;
Preconditions.checkState(
(this.exception == null) == (this.timing == ErrorTiming.NO_ERROR), this);
}
public Action getAction() {
return action;
}
// null if action succeeded
public ActionExecutionException getException() {
return exception;
}
public ErrorTiming errorTiming() {
return timing;
}
public String getStdout() {
if (stdout == null) {
return null;
}
return stdout.toString();
}
public String getStderr() {
if (stderr == null) {
return null;
}
return stderr.toString();
}
@Override
public BuildEventId getEventId() {
if (action.getOwner() == null) {
return BuildEventId.actionCompleted(action.getPrimaryOutput().getPath());
} else {
return BuildEventId.actionCompleted(
action.getPrimaryOutput().getPath(),
action.getOwner().getLabel(),
action.getOwner().getConfigurationChecksum());
}
}
@Override
public Collection<BuildEventId> getChildrenEvents() {
return ImmutableList.<BuildEventId>of();
}
@Override
public Collection<BuildEvent> getConfigurations() {
if (action.getOwner() != null) {
BuildEvent configuration = action.getOwner().getConfiguration();
if (configuration == null) {
configuration = new NullConfiguration();
}
return ImmutableList.of(configuration);
} else {
return ImmutableList.<BuildEvent>of();
}
}
@Override
public BuildEventStreamProtos.BuildEvent asStreamProto(BuildEventConverters converters) {
PathConverter pathConverter = converters.pathConverter();
BuildEventStreamProtos.ActionExecuted.Builder actionBuilder =
BuildEventStreamProtos.ActionExecuted.newBuilder().setSuccess(getException() == null);
if (exception != null && exception.getExitCode() != null) {
actionBuilder.setExitCode(exception.getExitCode().getNumericExitCode());
}
if (stdout != null) {
actionBuilder.setStdout(
BuildEventStreamProtos.File.newBuilder()
.setName("stdout")
.setUri(pathConverter.apply(stdout))
.build());
}
if (stderr != null) {
actionBuilder.setStderr(
BuildEventStreamProtos.File.newBuilder()
.setName("stderr")
.setUri(pathConverter.apply(stderr))
.build());
}
if (action.getOwner() != null && action.getOwner().getLabel() != null) {
actionBuilder.setLabel(action.getOwner().getLabel().toString());
}
if (action.getOwner() != null) {
BuildEvent configuration = action.getOwner().getConfiguration();
if (configuration == null) {
configuration = new NullConfiguration();
}
actionBuilder.setConfiguration(configuration.getEventId().asStreamProto().getConfiguration());
}
if (exception == null) {
actionBuilder.setPrimaryOutput(
BuildEventStreamProtos.File.newBuilder()
.setUri(pathConverter.apply(action.getPrimaryOutput().getPath()))
.build());
}
return GenericBuildEvent.protoChaining(this).setAction(actionBuilder.build()).build();
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("exception", exception)
.add("timing", timing)
.add("stdout", stdout)
.add("stderr", stderr)
.add("action", action)
.toString();
}
/** When an error occurred that aborted action execution, if any. */
public enum ErrorTiming {
NO_ERROR,
BEFORE_EXECUTION,
AFTER_EXECUTION
}
}
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