1 files changed, 57 insertions, 0 deletions
diff --git a/generator/src/main/java/com/google/archivepatcher/generator/RecommendationReason.java b/generator/src/main/java/com/google/archivepatcher/generator/RecommendationReason.java
new file mode 100644
index 0000000..664944b
--- /dev/null
+++ b/generator/src/main/java/com/google/archivepatcher/generator/RecommendationReason.java
@@ -0,0 +1,57 @@
+// Copyright 2016 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.archivepatcher.generator;
+
+/**
+ * Reasons for a corresponding {@link Recommendation}.
+ */
+public enum RecommendationReason {
+  /**
+   * The entry in the new file is compressed in a way that cannot be reliably reproduced (or one of
+   * the entries is compressed using something other than deflate, but this is very uncommon).
+   */
+  UNSUITABLE,
+
+  /**
+   * Both the old and new entries are already uncompressed.
+   */
+  BOTH_ENTRIES_UNCOMPRESSED,
+
+  /**
+   * An entry that was uncompressed in the old file is compressed in the new file.
+   */
+  UNCOMPRESSED_CHANGED_TO_COMPRESSED,
+
+  /**
+   * An entry that was compressed in the old file is uncompressed in the new file.
+   */
+  COMPRESSED_CHANGED_TO_UNCOMPRESSED,
+
+  /**
+   * The compressed bytes in the old file do not match the compressed bytes in the new file.
+   */
+  COMPRESSED_BYTES_CHANGED,
+
+  /** The compressed bytes in the old file are identical to the compressed bytes in the new file. */
+  COMPRESSED_BYTES_IDENTICAL,
+
+  /**
+   * A resource constraint prohibits touching the old entry, the new entry, or both. For example,
+   * there may be a limit on the total amount of temp space that will be available for applying a
+   * patch or a limit on the total amount of CPU time that can be expended on recompression when
+   * applying a patch, etc.
+   */
+  RESOURCE_CONSTRAINED;
+}