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// Copyright 2015 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.skyframe;
import com.google.common.base.Preconditions;
import java.util.Set;
import javax.annotation.Nullable;
/** Wrapper exception that {@link Runnable}s can throw. */
class SchedulerException extends RuntimeException {
private final SkyKey failedValue;
private final ErrorInfo errorInfo;
private final Set<SkyKey> rdepsToBubbleUpTo;
private SchedulerException(
@Nullable Exception cause,
@Nullable ErrorInfo errorInfo,
SkyKey failedValue,
Set<SkyKey> rdepsToBubbleUpTo) {
super(errorInfo != null ? errorInfo.getException() : cause);
this.errorInfo = errorInfo;
this.rdepsToBubbleUpTo = rdepsToBubbleUpTo;
this.failedValue = Preconditions.checkNotNull(failedValue, errorInfo);
}
/**
* Returns a SchedulerException wrapping an expected error, e.g. an error describing an expected
* build failure when trying to evaluate the given value, that should cause Skyframe to produce
* useful error information to the user.
*/
static SchedulerException ofError(
ErrorInfo errorInfo, SkyKey failedValue, Set<SkyKey> rdepsToBubbleUpTo) {
Preconditions.checkNotNull(errorInfo);
Preconditions.checkNotNull(rdepsToBubbleUpTo, "null rdeps: %s %s", errorInfo, failedValue);
return new SchedulerException(
errorInfo.getException(), errorInfo, failedValue, rdepsToBubbleUpTo);
}
/**
* Returns a SchedulerException wrapping an InterruptedException, e.g. if the user interrupts
* the build, that should cause Skyframe to exit as soon as possible.
*/
static SchedulerException ofInterruption(InterruptedException cause, SkyKey failedValue) {
return new SchedulerException(cause, null, failedValue, null);
}
SkyKey getFailedValue() {
return failedValue;
}
@Nullable
ErrorInfo getErrorInfo() {
return errorInfo;
}
Set<SkyKey> getRdepsToBubbleUpTo() {
return rdepsToBubbleUpTo;
}
}
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