1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ObjectCodec.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ObjectCodec.java
new file mode 100644
index 0000000000..b7009236c2
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ObjectCodec.java
@@ -0,0 +1,47 @@
+// Copyright 2017 The Bazel Authors. 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.skyframe.serialization;
+
+import com.google.protobuf.CodedInputStream;
+import com.google.protobuf.CodedOutputStream;
+import java.io.IOException;
+
+/**
+ * Generic object serialization/deserialization. Implementations should serialize values
+ * deterministically.
+ */
+public interface ObjectCodec<T> extends BaseCodec<T> {
+
+  /**
+   * Serializes {@code obj}, inverse of {@link #deserialize(CodedInputStream)}.
+   *
+   * @param obj the object to serialize
+   * @param codedOut the {@link CodedOutputStream} to write this object into. Implementations need
+   *     not call {@link CodedOutputStream#flush()}, this should be handled by the caller.
+   * @throws SerializationException on failure to serialize
+   * @throws IOException on {@link IOException} during serialization
+   */
+  void serialize(T obj, CodedOutputStream codedOut) throws SerializationException, IOException;
+
+  /**
+   * Deserializes from {@code codedIn}, inverse of {@link #serialize(Object, CodedOutputStream)}.
+   *
+   * @param codedIn the {@link CodedInputStream} to read the serialized object from
+   * @return the object deserialized from {@code codedIn}
+   * @throws SerializationException on failure to deserialize
+   * @throws IOException on {@link IOException} during deserialization
+   */
+  T deserialize(CodedInputStream codedIn) throws SerializationException, IOException;
+}