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SumFormula.java
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/
SumFormula.java
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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube 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.
*
* SonarQube 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.computation.formula;
import com.google.common.base.Optional;
import org.sonar.server.computation.component.Component;
import org.sonar.server.computation.measure.Measure;
import static java.util.Objects.requireNonNull;
public class SumFormula implements Formula<SumCounter> {
private final String metricKey;
public SumFormula(String metricKey) {
this.metricKey = requireNonNull(metricKey, "Metric key cannot be null");
}
@Override
public SumCounter createNewCounter() {
return new SumCounter(metricKey);
}
@Override
public Optional<Measure> createMeasure(SumCounter counter, CreateMeasureContext context) {
Optional<Integer> valueOptional = counter.getValue();
if (valueOptional.isPresent() && context.getComponent().getType().isHigherThan(Component.Type.FILE)) {
return Optional.of(Measure.newMeasureBuilder().create(valueOptional.get()));
}
return Optional.absent();
}
@Override
public String[] getOutputMetricKeys() {
return new String[] {metricKey};
}
}