1 files changed, 34 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/actions/ChangedArtifactsMessage.java b/src/main/java/com/google/devtools/build/lib/actions/ChangedArtifactsMessage.java
new file mode 100644
index 0000000000..9177cbacab
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/actions/ChangedArtifactsMessage.java
@@ -0,0 +1,34 @@
+// 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.actions;
+
+import com.google.common.collect.ImmutableSet;
+
+import java.util.Set;
+
+/**
+ * Used to signal when the incremental builder has found the set of changed artifacts.
+ */
+public class ChangedArtifactsMessage {
+
+  private final Set<Artifact> artifacts;
+
+  public ChangedArtifactsMessage(Set<Artifact> changedArtifacts) {
+    this.artifacts = ImmutableSet.copyOf(changedArtifacts);
+  }
+
+  public Set<Artifact> getChangedArtifacts() {
+    return artifacts;
+  }
+}