org.sonar.api.measures.SumChildDistributionFormula Maven / Gradle / Ivy
/*
* Sonar, open source software quality management tool.
* Copyright (C) 2009 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* Sonar is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* Sonar 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.api.measures;
import java.util.List;
import java.util.Collections;
import java.util.Collection;
/**
* @since 2.0
*
* Used to consolidate a distribution measure throughout the resource tree
*/
public class SumChildDistributionFormula implements Formula {
public List dependsUponMetrics() {
return Collections.emptyList();
}
public Measure calculate(FormulaData data, FormulaContext context) {
Collection measures = data.getChildrenMeasures(context.getTargetMetric());
if (measures == null || measures.isEmpty()) {
return null;
}
else {
RangeDistributionBuilder distribution = new RangeDistributionBuilder(context.getTargetMetric());
for (Measure measure : measures) {
distribution.add(measure);
}
return distribution.build();
}
}
}