org.apache.cassandra.io.sstable.metadata.MetadataType Maven / Gradle / Ivy

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.cassandra.io.sstable.metadata;

import org.apache.cassandra.db.SerializationHeader;

/**
 * Defines Metadata component type.
 */
public enum MetadataType
{
    /** Metadata only used for SSTable validation */
    VALIDATION(ValidationMetadata.serializer),
    /** Metadata only used at compaction */
    COMPACTION(CompactionMetadata.serializer),
    /** Metadata always keep in memory */
    STATS(StatsMetadata.serializer),
    /** Serialization header */
    HEADER((IMetadataComponentSerializer)SerializationHeader.serializer);

    public final IMetadataComponentSerializer serializer;

    private MetadataType(IMetadataComponentSerializer serializer)
    {
        this.serializer = serializer;
    }
}