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netflix-zeno developed by Netflix

There is a newer version: 2.22.3

/*
 *
 *  Copyright 2013 Netflix, Inc.
 *
 *     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.netflix.zeno.serializer.common;

import com.netflix.zeno.fastblob.record.FastBlobSchema;
import com.netflix.zeno.fastblob.record.FastBlobSchema.FieldType;
import com.netflix.zeno.serializer.NFSerializationRecord;
import com.netflix.zeno.serializer.NFTypeSerializer;

import java.util.Collection;

/**
*
* A default NFTypeSerializer implementation for Collection objects.
*
* This is an abstract class, implemented by {@link ListSerializer} and {@link SetSerializer}
*
*/
abstract class CollectionSerializer> extends NFTypeSerializer {

    protected static final String ORDINALS_FIELD_NAME = "ordinals";

    protected final NFTypeSerializer elementSerializer;

    public CollectionSerializer(String schemaName, NFTypeSerializer elementSerializer) {
        super(schemaName);
        this.elementSerializer = elementSerializer;
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Override
    public void doSerialize(T list, NFSerializationRecord rec) {
        serializationFramework.getFrameworkSerializer().serializeList(rec, ORDINALS_FIELD_NAME, elementSerializer.getName(), (Collection) list);
    }

    @Override
    protected FastBlobSchema createSchema() {
        return schema(field(ORDINALS_FIELD_NAME, FieldType.COLLECTION));
    }

    @Override
    public Collection> requiredSubSerializers() {
        return serializers(elementSerializer);
    }

}