1 files changed, 65 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/vfs/inmemoryfs/OutOfScopeFileStatus.java b/src/main/java/com/google/devtools/build/lib/vfs/inmemoryfs/OutOfScopeFileStatus.java
new file mode 100644
index 0000000000..177ac11016
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/vfs/inmemoryfs/OutOfScopeFileStatus.java
@@ -0,0 +1,65 @@
+// 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.inmemoryfs;
+
+import com.google.devtools.build.lib.vfs.PathFragment;
+
+/**
+ * A file status that signifies a path has left this file system's
+ * scope. All methods beside {@link #outOfScope} and {@link #getEscapingPath}
+ * are disabled.
+ */
+final class OutOfScopeFileStatus extends InMemoryContentInfo {
+
+  /**
+   * Contains the requested path resolved up to the point where it
+   * first escapes the scope. See
+   * {@link ScopeEscapableStatus#getEscapingPath} for an example.
+   */
+  private final PathFragment escapingPath;
+
+  public OutOfScopeFileStatus(PathFragment escapingPath) {
+    super(null, false);
+    this.escapingPath = escapingPath;
+  }
+
+  @Override
+  public boolean outOfScope() {
+    return true;
+  }
+
+  @Override
+  public PathFragment getEscapingPath() {
+    return escapingPath;
+  }
+
+  private static UnsupportedOperationException failure() {
+    return new UnsupportedOperationException();
+  }
+
+  @Override public boolean isDirectory() { throw failure(); }
+  @Override public boolean isSymbolicLink() { throw failure(); }
+  @Override public boolean isFile() { throw failure(); }
+  @Override public long getSize() { throw failure(); }
+  @Override protected void markModificationTime() { throw failure(); }
+  @Override public synchronized long getLastModifiedTime() { throw failure(); }
+  @Override void setLastModifiedTime(long newTime) { throw failure(); }
+  @Override public synchronized long getLastChangeTime() { throw failure(); }
+  @Override boolean isReadable() { throw failure(); }
+  @Override void setReadable(boolean readable) { throw failure(); }
+  @Override void setWritable(boolean writable) { throw failure(); }
+  @Override boolean isWritable() { throw failure(); }
+  @Override void setExecutable(boolean executable) { throw failure(); }
+  @Override boolean isExecutable() { throw failure(); }
+}