1 files changed, 36 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/query2/engine/BlazeQueryEvalResult.java b/src/main/java/com/google/devtools/build/lib/query2/engine/BlazeQueryEvalResult.java
new file mode 100644
index 0000000000..7f2060f176
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/query2/engine/BlazeQueryEvalResult.java
@@ -0,0 +1,36 @@
+// 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.query2.engine;
+
+import com.google.common.base.Preconditions;
+import com.google.devtools.build.lib.graph.Digraph;
+
+import java.util.Set;
+
+/** {@link QueryEvalResult} along with a digraph giving the structure of the results. */
+public class BlazeQueryEvalResult<T> extends QueryEvalResult<T> {
+
+  private final Digraph<T> graph;
+
+  public BlazeQueryEvalResult(boolean success, Set<T> resultSet, Digraph<T> graph) {
+    super(success, resultSet);
+    this.graph = Preconditions.checkNotNull(graph);
+  }
+
+  /** Returns the result as a directed graph over elements. */
+  public Digraph<T> getResultGraph() {
+    return graph.extractSubgraph(resultSet);
+  }
+}