/* This file is part of VoltDB.
 * Copyright (C) 2008-2017 VoltDB Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with VoltDB.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.voltdb;

import java.util.ArrayList;

import org.voltcore.utils.CoreUtils;
import org.voltdb.VoltTable.ColumnInfo;

/**
 * Super class of sources of statistical information that are tied to an ExecutionSite.
 */
public abstract class SiteStatsSource extends StatsSource {

    /**
     * CatalogId of the site this source is associated with
     */
    private final long m_siteId;

    public SiteStatsSource(long siteId, boolean isEE) {
        super(isEE);
        this.m_siteId = siteId;
    }

    @Override
    protected void populateColumnSchema(ArrayList<ColumnInfo> columns) {
        super.populateColumnSchema(columns);
        columns.add(new ColumnInfo(VoltSystemProcedure.CNAME_SITE_ID, VoltSystemProcedure.CTYPE_ID));
    }

    @Override
    protected void updateStatsRow(Object rowKey, Object rowValues[]) {
        rowValues[columnNameToIndex.get(VoltSystemProcedure.CNAME_SITE_ID)] = CoreUtils.getSiteIdFromHSId(m_siteId);
        super.updateStatsRow(rowKey, rowValues);
    }

    public long getSiteId() {
        return m_siteId;
    }

    @Override
    public boolean equals(Object obj) {
        if (super.equals(obj) == false)
            return false;
        if (obj instanceof SiteStatsSource == false)
            return false;

        SiteStatsSource stats = (SiteStatsSource) obj;
        if (stats.getSiteId() != m_siteId)
            return false;
        return true;
    }

    @Override
    public int hashCode() {
        return super.hashCode() + Long.hashCode(m_siteId);
    }
}