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There is a newer version: 6.0.2

/*
 * 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.indexer.searches;

import com.google.auto.value.AutoValue;
import org.graylog.autovalue.WithBeanGetter;
import org.joda.time.DateTime;
import org.joda.time.DateTimeZone;

import javax.annotation.Nullable;
import java.util.Collections;
import java.util.List;

@AutoValue
@WithBeanGetter
public abstract class IndexRangeStats {
    public static final IndexRangeStats EMPTY = create(new DateTime(0L, DateTimeZone.UTC), new DateTime(0L, DateTimeZone.UTC), Collections.emptyList());

    public abstract DateTime min();

    public abstract DateTime max();

    @Nullable
    public abstract List streamIds();

    public static IndexRangeStats create(DateTime min, DateTime max, @Nullable List streamIds) {
        return new AutoValue_IndexRangeStats(min, max, streamIds);
    }

    public static IndexRangeStats create(DateTime min, DateTime max) {
        return create(min, max, null);
    }
}