diff options
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusFunction.java')
-rw-r--r-- | src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusFunction.java | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusFunction.java b/src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusFunction.java new file mode 100644 index 0000000000..b1c5ef3f8c --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/skyframe/WorkspaceStatusFunction.java @@ -0,0 +1,48 @@ +// 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.skyframe; + +import com.google.common.base.Preconditions; +import com.google.devtools.build.lib.analysis.WorkspaceStatusAction; +import com.google.devtools.build.skyframe.SkyFunction; +import com.google.devtools.build.skyframe.SkyKey; +import com.google.devtools.build.skyframe.SkyValue; + +/** Creates the workspace status artifacts and action. */ +public class WorkspaceStatusFunction implements SkyFunction { + WorkspaceStatusFunction() { + } + + @Override + public SkyValue compute(SkyKey skyKey, Environment env) { + Preconditions.checkState( + WorkspaceStatusValue.SKY_KEY.equals(skyKey), WorkspaceStatusValue.SKY_KEY); + + WorkspaceStatusAction action = PrecomputedValue.WORKSPACE_STATUS_KEY.get(env); + if (action == null) { + return null; + } + + return new WorkspaceStatusValue( + action.getStableStatus(), + action.getVolatileStatus(), + action); + } + + @Override + public String extractTag(SkyKey skyKey) { + return null; + } + +} |