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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 static com.google.common.base.Preconditions.checkNotNull;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.skyframe.DetailedException;
import com.google.devtools.build.lib.util.DetailedExitCode;
import com.google.devtools.build.lib.util.ExitCode;
/**
* This exception gets thrown if there were errors during the execution phase of the build.
*
* <p>The argument to the constructor may be null if the thrower has already printed an error
* message; in this case, no error message should be printed by the catcher. (Typically, this
* happens when the builder is unsuccessful and {@code --keep_going} was specified. This error
* corresponds to one or more actions failing, but since those actions' failures will be reported
* separately, the exception carries no message and is just used for control flow.)
*
* <p>This exception typically leads to Bazel termination with exit code {@link
* ExitCode#BUILD_FAILURE}. However, if a more specific exit code is appropriate, it can be
* propagated by specifying the exit code to the constructor using a {@link DetailedExitCode}.
*/
@ThreadSafe
public class BuildFailedException extends Exception implements DetailedException {
private final boolean catastrophic;
private final boolean errorAlreadyShown;
private final DetailedExitCode detailedExitCode;
public BuildFailedException(String message, DetailedExitCode detailedExitCode) {
this(
message,
/*catastrophic=*/ false,
/*errorAlreadyShown=*/ false,
detailedExitCode);
}
public BuildFailedException(
String message,
boolean catastrophic,
boolean errorAlreadyShown,
DetailedExitCode detailedExitCode) {
super(message);
this.catastrophic = catastrophic;
this.errorAlreadyShown = errorAlreadyShown;
this.detailedExitCode = checkNotNull(detailedExitCode);
}
public boolean isCatastrophic() {
return catastrophic;
}
public boolean isErrorAlreadyShown() {
return errorAlreadyShown || getMessage() == null;
}
@Override
public DetailedExitCode getDetailedExitCode() {
return detailedExitCode;
}
}