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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.system.stats.elasticsearch;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.auto.value.AutoValue;
import org.graylog.autovalue.WithBeanGetter;

@JsonAutoDetect
@AutoValue
@WithBeanGetter
public abstract class IndicesStats {
    @JsonProperty
    public abstract int indexCount();

    @JsonProperty
    public abstract long storeSize();

    @JsonProperty
    public abstract long fieldDataSize();

    @JsonProperty
    public abstract long idCacheSize();

    @Deprecated
    public static IndicesStats create(int indexCount,
                                      long storeSize,
                                      long fieldDataSize,
                                      long idCacheSize) {
        // "id_cache" has been removed from stats in Elasticsearch 2.x
        // https://www.elastic.co/guide/en/elasticsearch/reference/2.0/breaking_20_stats_info_and_literal_cat_literal_changes.html#_removed_literal_id_cache_literal_from_stats_apis
        return create(indexCount, storeSize, fieldDataSize);
    }

    public static IndicesStats create(int indexCount,
                                      long storeSize,
                                      long fieldDataSize) {
        return new AutoValue_IndicesStats(indexCount, storeSize, fieldDataSize, 0L);
    }
}