001/* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020package org.sonar.api.measures; 021 022import org.sonar.api.resources.Scopes; 023 024import java.util.Collection; 025import java.util.Collections; 026import java.util.List; 027 028/** 029 * @since 2.0 030 * 031 * Used to consolidate a distribution measure throughout the resource tree 032 */ 033public class SumChildDistributionFormula implements Formula { 034 035 private String minimumScopeToPersist= Scopes.FILE; 036 037 public List<Metric> dependsUponMetrics() { 038 return Collections.emptyList(); 039 } 040 041 public String getMinimumScopeToPersist() { 042 return minimumScopeToPersist; 043 } 044 045 public SumChildDistributionFormula setMinimumScopeToPersist(String s) { 046 this.minimumScopeToPersist = s; 047 return this; 048 } 049 050 public Measure calculate(FormulaData data, FormulaContext context) { 051 Collection<Measure> measures = data.getChildrenMeasures(context.getTargetMetric()); 052 if (measures == null || measures.isEmpty()) { 053 return null; 054 } 055 else { 056 RangeDistributionBuilder distribution = new RangeDistributionBuilder(context.getTargetMetric()); 057 for (Measure measure : measures) { 058 distribution.add(measure); 059 } 060 Measure measure = distribution.build(); 061 if (!Scopes.isHigherThanOrEquals(context.getResource().getScope(), minimumScopeToPersist)) { 062 measure.setPersistenceMode(PersistenceMode.MEMORY); 063 } 064 return measure; 065 } 066 } 067}