Update from Google.

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MOE_MIGRATED_REVID=85702957

1 files changed, 73 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/actions/FailAction.java b/src/main/java/com/google/devtools/build/lib/actions/FailAction.java
new file mode 100644
index 0000000000..6c15b31dac
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/actions/FailAction.java
@@ -0,0 +1,73 @@
+// 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;
+
+/**
+ * FailAction is an Action that always fails to execute.  (Used as scaffolding
+ * for rules we haven't yet implemented.  Also useful for testing.)
+ */
+@ThreadSafe
+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, ImmutableList.<Artifact>of(), outputs);
+    this.errorMessage = errorMessage;
+  }
+
+  @Override
+  public Artifact getPrimaryInput() {
+    return null;
+  }
+
+  @Override
+  public void execute(
+      ActionExecutionContext actionExecutionContext)
+  throws ActionExecutionException {
+    throw new ActionExecutionException(errorMessage, this, false);
+  }
+
+  @Override
+  public ResourceSet estimateResourceConsumption(Executor executor) {
+    return ResourceSet.ZERO;
+  }
+
+  @Override
+  protected String computeKey() {
+    return GUID;
+  }
+
+  @Override
+  protected String getRawProgressMessage() {
+    return "Building unsupported rule " + getOwner().getLabel()
+        + " located at " + getOwner().getLocation();
+  }
+
+  @Override
+  public String describeStrategy(Executor executor) {
+    return "";
+  }
+
+  @Override
+  public String getMnemonic() {
+    return "Fail";
+  }
+}