StandardModel.java

package hudson.plugins.coverage.model;

import hudson.plugins.coverage.model.measurements.BranchCoverage;
import hudson.plugins.coverage.model.measurements.LineCoverage;

/**
 * The standard model for calculating project level results.
 *
 * @author Stephen Connolly
 * @since 26-Jun-2008 23:57:28
 */
public final class StandardModel implements Model {

    private StandardModel() {
    }

    public static StandardModel getInstance() {
        return SingletonHolder.INSTANCE;
    }

    public void apply(Instance instance) {
        int lineCount = 0;
        int lineCover = 0;
        int branchCount = 0;
        int branchCover = 0;
        for (Element element : instance.getChildElements()) {
            for (Instance child : instance.getChildren(element).values()) {
                LineCoverage lineCoverage = (LineCoverage) child.getMeasurement(Metric.LINE_COVERAGE);
                if (lineCoverage != null) {
                    lineCount += lineCoverage.getCount();
                    lineCover += lineCoverage.getCover();
                }
                BranchCoverage branchCoverage = (BranchCoverage) child.getMeasurement(Metric.BRANCH_COVERAGE);
                if (branchCoverage != null) {
                    branchCount += branchCoverage.getCount();
                    branchCover += branchCoverage.getCover();
                }
            }
        }
        instance.setMeasurement(Metric.LINE_COVERAGE, new LineCoverage(lineCount, lineCover));
        instance.setMeasurement(Metric.BRANCH_COVERAGE, new BranchCoverage(branchCount, branchCover));
    }

    private static final class SingletonHolder {
        private static final StandardModel INSTANCE = new StandardModel();
    }
}