public void reset() {
if (parentRoughArtifact != null) {
parentRoughArtifact.clear();
}
roughArtifacts.clear();
roughRelations.clear();
}
public void addChildRoughArtifact(RoughArtifact roughArtifact) {
parentRoughArtifact.addChild(roughArtifact);
addRoughArtifact(roughArtifact);
}