/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [http://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.kernel.api.index;

import java.util.Arrays;

public final class IndexSample {
    private final long indexSize;
    private final long uniqueValues;
    private final long sampleSize;
    private final long updates;

    public IndexSample() {
        this(0, 0, 0);
    }

    public IndexSample(long indexSize, long uniqueValues, long sampleSize) {
        this(indexSize, uniqueValues, sampleSize, 0);
    }

    public IndexSample(long indexSize, long uniqueValues, long sampleSize, long updates) {
        this.indexSize = indexSize;
        this.uniqueValues = uniqueValues;
        this.sampleSize = sampleSize;
        this.updates = updates;
    }

    public long indexSize() {
        return indexSize;
    }

    public long uniqueValues() {
        return uniqueValues;
    }

    public long sampleSize() {
        return sampleSize;
    }

    public long updates() {
        return updates;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        IndexSample that = (IndexSample) o;
        return indexSize == that.indexSize
                && uniqueValues == that.uniqueValues
                && sampleSize == that.sampleSize
                && updates == that.updates;
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(new long[] {indexSize, uniqueValues, sampleSize, updates});
    }

    @Override
    public String toString() {
        return "IndexSample{" + "indexSize="
                + indexSize + ", uniqueValues="
                + uniqueValues + ", sampleSize="
                + sampleSize + ", updates="
                + updates + '}';
    }
}
