StatsStateEvent.java

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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.nereids.metrics.event;

import org.apache.doris.nereids.memo.GroupExpression;
import org.apache.doris.nereids.util.Utils;
import org.apache.doris.statistics.Statistics;

/**
 * stats state event
 */
public class StatsStateEvent extends StateEvent {
    private final Statistics statistics;

    private StatsStateEvent(GroupExpression groupExpression, Statistics statistics) {
        super(groupExpression);
        this.statistics = statistics;
    }

    public static StatsStateEvent of(GroupExpression groupExpression, Statistics statistics) {
        return checkConnectContext(StatsStateEvent.class)
                ? new StatsStateEvent(groupExpression, statistics) : null;
    }

    @Override
    public String toString() {
        return Utils.toSqlString("StatsStateEvent", "Statistics", statistics);
    }
}