Update from Google.

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MOE_MIGRATED_REVID=85702957

1 files changed, 38 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/vfs/BatchStat.java b/src/main/java/com/google/devtools/build/lib/vfs/BatchStat.java
new file mode 100644
index 0000000000..5144f3195c
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/vfs/BatchStat.java
@@ -0,0 +1,38 @@
+// 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.vfs;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * An interface for doing a batch of stat() calls.
+ */
+public interface BatchStat {
+
+  /**
+   *
+   * @param includeDigest whether to include a file digest in the return values.
+   * @param includeLinks whether to include a symlink stat in the return values.
+   * @param paths The input paths to stat(), relative to the exec root.
+   * @return an array list of FileStatusWithDigest in the same order as the input. May
+   *         contain null values.
+   * @throws IOException on unexpected failure.
+   * @throws InterruptedException on interrupt.
+   */
+  public List<FileStatusWithDigest> batchStat(boolean includeDigest,
+                                              boolean includeLinks,
+                                              Iterable<PathFragment> paths)
+      throws IOException, InterruptedException;
+}