diff options
author | mjhalupka <mjhalupka@google.com> | 2018-05-01 15:01:07 -0700 |
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committer | Copybara-Service <copybara-piper@google.com> | 2018-05-01 15:02:19 -0700 |
commit | 70dbb5a599ec322551f00e0dbeac22ddb4942243 (patch) | |
tree | e28f10502b32ce0012ef19d84e88859f0e319e69 /src/main/java/com/google/devtools/build/lib/skyframe | |
parent | 096b70771f0edd2f5456768fe05168750bcf8e7f (diff) |
Add a codec for LinkedHashSet.
PiperOrigin-RevId: 195002908
Diffstat (limited to 'src/main/java/com/google/devtools/build/lib/skyframe')
-rw-r--r-- | src/main/java/com/google/devtools/build/lib/skyframe/serialization/LinkedHashSetCodec.java | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/serialization/LinkedHashSetCodec.java b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/LinkedHashSetCodec.java new file mode 100644 index 0000000000..d331e1358b --- /dev/null +++ b/src/main/java/com/google/devtools/build/lib/skyframe/serialization/LinkedHashSetCodec.java @@ -0,0 +1,52 @@ +// 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.common.collect.Sets; +import com.google.protobuf.CodedInputStream; +import com.google.protobuf.CodedOutputStream; +import java.io.IOException; +import java.util.LinkedHashSet; + +/** {@link ObjectCodec} for {@link LinkedHashSet}. */ +class LinkedHashSetCodec<E> implements ObjectCodec<LinkedHashSet<E>> { + + @SuppressWarnings("unchecked") + @Override + public Class<LinkedHashSet<E>> getEncodedClass() { + return (Class<LinkedHashSet<E>>) (Class<?>) LinkedHashSet.class; + } + + @Override + public void serialize( + SerializationContext context, LinkedHashSet<E> obj, CodedOutputStream codedOut) + throws SerializationException, IOException { + codedOut.writeInt32NoTag(obj.size()); + for (Object object : obj) { + context.serialize(object, codedOut); + } + } + + @Override + public LinkedHashSet<E> deserialize(DeserializationContext context, CodedInputStream codedIn) + throws SerializationException, IOException { + int size = codedIn.readInt32(); + LinkedHashSet<E> set = Sets.newLinkedHashSetWithExpectedSize(size); + for (int i = 0; i < size; i++) { + set.add(context.<E>deserialize(codedIn)); + } + return set; + } +} |