1 files changed, 45 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ClassCodec.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ClassCodec.java
new file mode 100644
index 0000000000..e3675ee9e8
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ClassCodec.java
@@ -0,0 +1,45 @@
+// Copyright 2018 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;
+
+/** Codec for {@link Class}. */
+class ClassCodec implements ObjectCodec<Class<?>> {
+  @SuppressWarnings("unchecked")
+  @Override
+  public Class<Class<?>> getEncodedClass() {
+    return (Class<Class<?>>) (Object) Class.class;
+  }
+
+  @Override
+  public void serialize(SerializationContext context, Class<?> obj, CodedOutputStream codedOut)
+      throws SerializationException, IOException {
+    context.serialize(obj.getName(), codedOut);
+  }
+
+  @Override
+  public Class<?> deserialize(DeserializationContext context, CodedInputStream codedIn)
+      throws SerializationException, IOException {
+    String className = context.deserialize(codedIn);
+    try {
+      return Class.forName(className);
+    } catch (ClassNotFoundException e) {
+      throw new SerializationException("Couldn't find class for " + className, e);
+    }
+  }
+}