org.simplity.aggr.Min Maven / Gradle / Ivy
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/*
* Copyright (c) 2017 simplity.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.simplity.aggr;
import org.simplity.service.ServiceContext;
/**
* sum of a column
*
* @author simplity.org
*
*/
public class Min extends MathAggregator {
/**
* @param inputName
* @param outputName
* @param outputIsDecimal
*/
public Min(String inputName, String outputName, boolean outputIsDecimal) {
super(inputName, outputName, outputIsDecimal);
this.accumulatedValue = Double.MAX_VALUE;
}
@Override
protected void accumulateInteger(long value) {
if(value < this.accumulatedValue){
this.accumulatedValue = value;
}
}
@Override
protected void accumulateDecimal(double value) {
if(value < this.accumulatedValue){
this.accumulatedValue = value;
}
}
@Override
protected double getDecimalResult() {
return this.accumulatedValue;
}
@Override
protected long getIntegerResult() {
return Math.round(this.accumulatedValue);
}
@Override
public void discard(ServiceContext ctx) {
super.discard(ctx);
this.accumulatedValue = Double.MAX_VALUE;
}
}