1 files changed, 53 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/rules/test/InstrumentedFilesProviderImpl.java b/src/main/java/com/google/devtools/build/lib/rules/test/InstrumentedFilesProviderImpl.java
new file mode 100644
index 0000000000..1452e2db43
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/rules/test/InstrumentedFilesProviderImpl.java
@@ -0,0 +1,53 @@
+// 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.rules.test;
+
+import com.google.devtools.build.lib.actions.Artifact;
+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;
+
+/**
+ * An implementation class for the InstrumentedFilesProvider interface.
+ */
+public final class InstrumentedFilesProviderImpl implements InstrumentedFilesProvider {
+  public static final InstrumentedFilesProvider EMPTY = new InstrumentedFilesProvider() {
+    @Override
+    public NestedSet<Artifact> getInstrumentedFiles() {
+      return NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER);
+    }
+    @Override
+    public NestedSet<Artifact> getInstrumentationMetadataFiles() {
+      return NestedSetBuilder.<Artifact>emptySet(Order.STABLE_ORDER);
+    }
+  };
+
+  private final NestedSet<Artifact> instrumentedFiles;
+  private final NestedSet<Artifact> instrumentationMetadataFiles;
+
+  public InstrumentedFilesProviderImpl(InstrumentedFilesCollector collector) {
+    this.instrumentedFiles = collector.getInstrumentedFiles();
+    this.instrumentationMetadataFiles = collector.getInstrumentationMetadataFiles();
+  }
+
+  @Override
+  public NestedSet<Artifact> getInstrumentedFiles() {
+    return instrumentedFiles;
+  }
+
+  @Override
+  public NestedSet<Artifact> getInstrumentationMetadataFiles() {
+    return instrumentationMetadataFiles;
+  }
+}