/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.sql.planner.planPrinter;
class OperatorInputStats
{
private final long totalDrivers;
private final long inputPositions;
private final double sumSquaredInputPositions;
public OperatorInputStats(long totalDrivers, long inputPositions, double sumSquaredInputPositions)
{
this.totalDrivers = totalDrivers;
this.inputPositions = inputPositions;
this.sumSquaredInputPositions = sumSquaredInputPositions;
}
public long getTotalDrivers()
{
return totalDrivers;
}
public long getInputPositions()
{
return inputPositions;
}
public double getSumSquaredInputPositions()
{
return sumSquaredInputPositions;
}
public static OperatorInputStats merge(OperatorInputStats first, OperatorInputStats second)
{
return new OperatorInputStats(
first.totalDrivers + second.totalDrivers,
first.inputPositions + second.inputPositions,
first.sumSquaredInputPositions + second.sumSquaredInputPositions);
}
}