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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2013 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.batch.index;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
import org.sonar.api.measures.Measure;
import org.sonar.api.measures.MeasuresFilter;
import org.sonar.api.measures.MeasuresFilters;
import org.sonar.api.resources.Resource;
import org.sonar.api.utils.SonarException;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public final class Bucket {
private Resource resource;
private ListMultimap<String, Measure> measuresByMetric = ArrayListMultimap.create();
private Bucket parent;
private List<Bucket> children;
public Bucket(Resource resource) {
this.resource = resource;
}
public Resource getResource() {
return resource;
}
public Bucket setParent(Bucket parent) {
this.parent = parent;
if (parent != null) {
parent.addChild(this);
}
return this;
}
private Bucket addChild(Bucket child) {
if (children == null) {
children = Lists.newArrayList();
}
children.add(child);
return this;
}
private void removeChild(Bucket child) {
if (children != null) {
children.remove(child);
}
}
public List<Bucket> getChildren() {
return children == null ? Collections.<Bucket>emptyList() : children;
}
public Bucket getParent() {
return parent;
}
public void addMeasure(Measure measure) {
List<Measure> metricMeasures = measuresByMetric.get(measure.getMetric().getKey());
boolean add = true;
if (metricMeasures != null) {
int index = metricMeasures.indexOf(measure);
if (index > -1) {
if (metricMeasures.get(index) == measure) {
add = false;
} else {
throw new SonarException("Can not add twice the same measure on " + resource + ": " + measure);
}
}
}
if (add) {
measuresByMetric.put(measure.getMetric().getKey(), measure);
}
}
public void clear() {
measuresByMetric = null;
children = null;
if (parent != null) {
parent.removeChild(this);
parent = null;
}
}
public <M> M getMeasures(final MeasuresFilter<M> filter) {
Collection<Measure> unfiltered;
if (filter instanceof MeasuresFilters.MetricFilter) {
unfiltered = measuresByMetric.get(((MeasuresFilters.MetricFilter) filter).filterOnMetricKey());
} else {
unfiltered = measuresByMetric.values();
}
return filter.filter(unfiltered);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
Bucket that = (Bucket) o;
return resource.equals(that.resource);
}
@Override
public int hashCode() {
return resource.hashCode();
}
}
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