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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.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import com.google.devtools.build.lib.events.Location;
/**
* This exception gets thrown if {@link Action#execute(ActionExecutionContext)} is unsuccessful.
* Typically these are re-raised ExecException throwables.
*/
@ThreadSafe
public class ActionExecutionException extends Exception {
private final Action action;
private final NestedSet<Label> rootCauses;
private final boolean catastrophe;
public ActionExecutionException(Throwable cause, Action action, boolean catastrophe) {
super(cause.getMessage(), cause);
this.action = action;
this.rootCauses = rootCausesFromAction(action);
this.catastrophe = catastrophe;
}
public ActionExecutionException(String message,
Throwable cause, Action action, boolean catastrophe) {
super(message + ": " + cause.getMessage(), cause);
this.action = action;
this.rootCauses = rootCausesFromAction(action);
this.catastrophe = catastrophe;
}
public ActionExecutionException(String message, Action action, boolean catastrophe) {
super(message);
this.action = action;
this.rootCauses = rootCausesFromAction(action);
this.catastrophe = catastrophe;
}
public ActionExecutionException(String message, Action action,
NestedSet<Label> rootCauses, boolean catastrophe) {
super(message);
this.action = action;
this.rootCauses = rootCauses;
this.catastrophe = catastrophe;
}
public ActionExecutionException(String message, Throwable cause, Action action,
NestedSet<Label> rootCauses, boolean catastrophe) {
super(message, cause);
this.action = action;
this.rootCauses = rootCauses;
this.catastrophe = catastrophe;
}
static NestedSet<Label> rootCausesFromAction(Action action) {
return action == null || action.getOwner() == null || action.getOwner().getLabel() == null
? NestedSetBuilder.<Label>emptySet(Order.STABLE_ORDER)
: NestedSetBuilder.create(Order.STABLE_ORDER, action.getOwner().getLabel());
}
/**
* Returns the action that failed.
*/
public Action getAction() {
return action;
}
/**
* Return the root causes that should be reported. Usually the owner of the action, but it can
* be the label of a missing artifact.
*/
public NestedSet<Label> getRootCauses() {
return rootCauses;
}
/**
* Returns the location of the owner of this action. May be null.
*/
public Location getLocation() {
return action.getOwner().getLocation();
}
/**
* Catastrophic exceptions should stop builds, even if --keep_going.
*/
public boolean isCatastrophe() {
return catastrophe;
}
/**
* Returns true if the error should be shown.
*/
public boolean showError() {
return getMessage() != null;
}
}
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