1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/RepositoryValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/RepositoryValue.java
new file mode 100644
index 0000000000..3183953e77
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+++ b/src/main/java/com/google/devtools/build/lib/skyframe/RepositoryValue.java
@@ -0,0 +1,75 @@
+// 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.Objects;
+import com.google.devtools.build.lib.packages.PackageIdentifier.RepositoryName;
+import com.google.devtools.build.lib.vfs.Path;
+import com.google.devtools.build.skyframe.SkyKey;
+import com.google.devtools.build.skyframe.SkyValue;
+
+/**
+ * A local view of an external repository.
+ */
+public class RepositoryValue implements SkyValue {
+  private final Path path;
+
+  /**
+   * If path is a symlink, this will keep track of what the symlink actually points to (for
+   * checking equality).
+   */
+  private final FileValue details;
+
+  public RepositoryValue(Path path, FileValue repositoryDirectory) {
+    this.path = path;
+    this.details = repositoryDirectory;
+  }
+
+  /**
+   * Returns the path to the directory containing the repository's contents. This directory is
+   * guaranteed to exist.  It may contain a full Bazel repository (with a WORKSPACE file,
+   * directories, and BUILD files) or simply contain a file (or set of files) for, say, a jar from
+   * Maven.
+   */
+  public Path getPath() {
+    return path;
+  }
+
+  @Override
+  public boolean equals(Object other) {
+    if (this == other) {
+      return true;
+    }
+
+    if (other instanceof RepositoryValue) {
+      RepositoryValue otherValue = (RepositoryValue) other;
+      return path.equals(otherValue.path) && details.equals(otherValue.details);
+    }
+    return false;
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hashCode(path, details);
+  }
+
+  /**
+   * Creates a key from the given repository name.
+   */
+  public static SkyKey key(RepositoryName repository) {
+    return new SkyKey(SkyFunctions.REPOSITORY, repository);
+  }
+
+}