com.google.devtools.build.lib.skyframe.serialization.LinkedHashSetCodec.java Source code

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Here is the source code for com.google.devtools.build.lib.skyframe.serialization.LinkedHashSetCodec.java

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// 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;
    }
}