| // 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.collect.nestedset.NestedSetBuilder; |
| import com.google.devtools.build.lib.collect.nestedset.Order; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec; |
| import com.google.devtools.build.lib.util.Fingerprint; |
| |
| /** |
| * FailAction is an Action that always fails to execute. (Used as scaffolding for rules we haven't |
| * yet implemented. Also useful for testing.) |
| */ |
| @AutoCodec |
| @Immutable |
| public final class FailAction extends AbstractAction { |
| |
| private static final String GUID = "626cb78a-810f-4af3-979c-ee194955f04c"; |
| |
| private final String errorMessage; |
| |
| public FailAction(ActionOwner owner, Iterable<Artifact> outputs, String errorMessage) { |
| super(owner, NestedSetBuilder.emptySet(Order.STABLE_ORDER), outputs); |
| this.errorMessage = errorMessage; |
| } |
| |
| @Override |
| public Artifact getPrimaryInput() { |
| return null; |
| } |
| |
| public String getErrorMessage() { |
| return errorMessage; |
| } |
| |
| @Override |
| public ActionResult execute(ActionExecutionContext actionExecutionContext) |
| throws ActionExecutionException { |
| throw new ActionExecutionException(errorMessage, this, false); |
| } |
| |
| @Override |
| protected void computeKey(ActionKeyContext actionKeyContext, Fingerprint fp) { |
| fp.addString(GUID); |
| } |
| |
| @Override |
| protected String getRawProgressMessage() { |
| return "Reporting failed target " |
| + getOwner().getLabel() |
| + " located at " |
| + getOwner().getLocation(); |
| } |
| |
| @Override |
| public String getMnemonic() { |
| return "Fail"; |
| } |
| } |