From b7d65cd8f880647365fcd1d89623bb4d985cca1d Mon Sep 17 00:00:00 2001
From: janakr <janakr@google.com>
Date: Wed, 4 Apr 2018 15:59:33 -0700
Subject: Add codec for Object[]. This may be useful for NestedSetCodec,
 pushing up so that my uncommitted change chain is a little more manageable.

Unfortunately we can't get rid of the array marshaller because this only handles Object[], not any other type of array.

PiperOrigin-RevId: 191662535
---
 .../lib/skyframe/serialization/ArrayCodec.java     | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/main/java/com/google/devtools/build/lib/skyframe/serialization/ArrayCodec.java

(limited to 'src/main/java/com/google/devtools')

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ArrayCodec.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ArrayCodec.java
new file mode 100644
index 0000000000..a9988fb362
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/ArrayCodec.java
@@ -0,0 +1,46 @@
+// 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;
+
+/** {@link ObjectCodec} for {@link Object[]}. */
+class ArrayCodec implements ObjectCodec<Object[]> {
+  @Override
+  public Class<Object[]> getEncodedClass() {
+    return Object[].class;
+  }
+
+  @Override
+  public void serialize(SerializationContext context, Object[] obj, CodedOutputStream codedOut)
+      throws SerializationException, IOException {
+    codedOut.writeInt32NoTag(obj.length);
+    for (Object item : obj) {
+      context.serialize(item, codedOut);
+    }
+  }
+
+  @Override
+  public Object[] deserialize(DeserializationContext context, CodedInputStream codedIn)
+      throws SerializationException, IOException {
+    Object[] result = new Object[codedIn.readInt32()];
+    for (int i = 0; i < result.length; i++) {
+      result[i] = context.deserialize(codedIn);
+    }
+    return result;
+  }
+}
-- 
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