Update from Google.

--
MOE_MIGRATED_REVID=85702957

1 files changed, 96 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java b/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java
new file mode 100644
index 0000000000..ea744c1c0a
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/ConfiguredTargetKey.java
@@ -0,0 +1,96 @@
+// 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.ConfiguredTarget;
+import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
+import com.google.devtools.build.lib.syntax.Label;
+import com.google.devtools.build.skyframe.SkyFunctionName;
+
+import java.util.Objects;
+
+import javax.annotation.Nullable;
+
+/**
+ *  A (Label, Configuration) pair. Note that this pair may be used to look up the generating action
+ * of an artifact. Callers may want to ensure that they have the correct configuration for this
+ * purpose by passing in {@link BuildConfiguration#getArtifactOwnerConfiguration} in preference to
+ * the raw configuration.
+ */
+public class ConfiguredTargetKey extends ActionLookupValue.ActionLookupKey {
+  private final Label label;
+  @Nullable
+  private final BuildConfiguration configuration;
+
+  public ConfiguredTargetKey(Label label, @Nullable BuildConfiguration configuration) {
+    this.label = Preconditions.checkNotNull(label);
+    this.configuration = configuration;
+  }
+
+  public ConfiguredTargetKey(ConfiguredTarget rule) {
+    this(rule.getTarget().getLabel(), rule.getConfiguration());
+  }
+
+  @Override
+  public Label getLabel() {
+    return label;
+  }
+
+  @Override
+  SkyFunctionName getType() {
+    return SkyFunctions.CONFIGURED_TARGET;
+  }
+
+  @Nullable
+  public BuildConfiguration getConfiguration() {
+    return configuration;
+  }
+
+  @Override
+  public int hashCode() {
+    int configVal = configuration == null ? 79 : configuration.hashCode();
+    return 31 * label.hashCode() + configVal;
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (this == obj) {
+      return true;
+    }
+    if (obj == null) {
+      return false;
+    }
+    if (!(obj instanceof ConfiguredTargetKey)) {
+      return false;
+    }
+    ConfiguredTargetKey other = (ConfiguredTargetKey) obj;
+    return Objects.equals(label, other.label) && Objects.equals(configuration, other.configuration);
+  }
+
+  public String prettyPrint() {
+    if (label == null) {
+      return "null";
+    }
+    return (configuration != null && configuration.isHostConfiguration())
+        ? (label.toString() + " (host)") : label.toString();
+  }
+
+  @Override
+  public String toString() {
+    return label + " " + (configuration == null ? "null" : configuration.shortCacheKey());
+  }
+
+}