@Override
public void calculateMetricValue(Entity entity) {
SortedSet<Version> versions = entity.getVersions();
Version previousVersion = null;
Double firstVersionMetricValue = null;
if (!versions.isEmpty()) {
previousVersion = versions.first();
firstVersionMetricValue = entity.getMetricValue(versions.first(), conventionalMetric);
}
onNewEntity(entity);
for (Version version : versions) {
Double previousMetricValue = entity.getMetricValue(previousVersion, conventionalMetric);
Double currentMetricValue = entity.getMetricValue(version, conventionalMetric);
Double value =
calculateMetricValueForOneVersion(
firstVersionMetricValue, previousMetricValue, currentMetricValue);
entity.addMetricValue(version, this, value);
previousVersion = version;
}
}
private Bindings createBindings(Entity entity, Version version) {
Bindings bindings = engine.createBindings();
Set<Metric> metrics = entity.getMetrics();
for (Metric metric : metrics) {
Double metricValue = entity.getMetricValue(version, metric);
bindings.put(metric.getNickname(), metricValue);
}
return bindings;
}