/**
* Inverts this mapping. This operation changes source and target entities of the correspondences
* as well as replaces the semantic relations with inverse relations.
*/
public void invert() {
String sourceEntity;
String targetEntity;
SemanticRelation semanticRelation;
for (Correspondence c : this.correspondences) {
sourceEntity = c.getSourceEntityUri();
targetEntity = c.getTargetEntityUri();
semanticRelation = c.getRelation();
try {
c.setSourceEntityUri(targetEntity);
c.setTargetEntityUri(sourceEntity);
} catch (CorrespondenceException e) {
// cannot occur in this context
}
c.setRelation(semanticRelation.getInverse());
}
}
