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// Copyright 2014 Google Inc. 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.collect.ImmutableList;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.syntax.Label;
/**
* 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.)
*/
@ThreadSafe
public class BuildFailedException extends Exception {
private final boolean catastrophic;
private final Action action;
private final Iterable<Label> rootCauses;
private final boolean errorAlreadyShown;
public BuildFailedException() {
this(null);
}
public BuildFailedException(String message) {
this(message, false, null, ImmutableList.<Label>of());
}
public BuildFailedException(String message, boolean catastrophic) {
this(message, catastrophic, null, ImmutableList.<Label>of());
}
public BuildFailedException(String message, boolean catastrophic,
Action action, Iterable<Label> rootCauses) {
this(message, catastrophic, action, rootCauses, false);
}
public BuildFailedException(String message, boolean catastrophic,
Action action, Iterable<Label> rootCauses, boolean errorAlreadyShown) {
super(message);
this.catastrophic = catastrophic;
this.rootCauses = ImmutableList.copyOf(rootCauses);
this.action = action;
this.errorAlreadyShown = errorAlreadyShown;
}
public boolean isCatastrophic() {
return catastrophic;
}
public Action getAction() {
return action;
}
public Iterable<Label> getRootCauses() {
return rootCauses;
}
public boolean isErrorAlreadyShown() {
return errorAlreadyShown || getMessage() == null;
}
}
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