1 files changed, 40 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/LicensesProviderImpl.java b/src/main/java/com/google/devtools/build/lib/analysis/LicensesProviderImpl.java
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index 0000000000..ffdf9fd7b2
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+++ b/src/main/java/com/google/devtools/build/lib/analysis/LicensesProviderImpl.java
@@ -0,0 +1,40 @@
+// 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.analysis;
+
+import com.google.devtools.build.lib.collect.nestedset.NestedSet;
+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;
+
+/**
+ * A {@link ConfiguredTarget} that has licensed targets in its transitive closure.
+ */
+@Immutable
+public final class LicensesProviderImpl implements LicensesProvider {
+  public static final LicensesProvider EMPTY =
+      new LicensesProviderImpl(NestedSetBuilder.<TargetLicense>emptySet(Order.LINK_ORDER));
+
+  private final NestedSet<TargetLicense> transitiveLicenses;
+
+  public LicensesProviderImpl(NestedSet<TargetLicense> transitiveLicenses) {
+    this.transitiveLicenses = transitiveLicenses;
+  }
+
+  @Override
+  public NestedSet<TargetLicense> getTransitiveLicenses() {
+    return transitiveLicenses;
+  }
+}