private void generateBidirectionRelationInfo() {
// Checking each relation if it is bidirectional. If so, storing that information.
for (Map.Entry<String, EntityConfiguration> entry : entitiesConfigurations.entrySet()) {
final String entityName = entry.getKey();
final EntityConfiguration entCfg = entry.getValue();
// Iterating over all relations from that entity
for (RelationDescription relDesc : entCfg.getRelationsIterator()) {
// If this is an "owned" relation, checking the related entity, if it has a relation that
// has
// a mapped-by attribute to the currently checked. If so, this is a bidirectional relation.
if (relDesc.getRelationType() == RelationType.TO_ONE
|| relDesc.getRelationType() == RelationType.TO_MANY_MIDDLE) {
final EntityConfiguration entityConfiguration =
entitiesConfigurations.get(relDesc.getToEntityName());
if (entityConfiguration != null) {
for (RelationDescription other : entityConfiguration.getRelationsIterator()) {
if (relDesc.getFromPropertyName().equals(other.getMappedByPropertyName())
&& (entityName.equals(other.getToEntityName()))) {
relDesc.setBidirectional(true);
other.setBidirectional(true);
}
}
}
}
}
}
}
public Set<String> getToPropertyNames(
String fromEntityName, String fromPropertyName, String toEntityName) {
final Set<String> entityAndParentsNames = getEntityAndParentsNames(fromEntityName);
final Set<String> toPropertyNames = new HashSet<>();
for (RelationDescription relationDescription : getRelationDescriptions(toEntityName)) {
final String relToEntityName = relationDescription.getToEntityName();
final String mappedByPropertyName = relationDescription.getMappedByPropertyName();
if (entityAndParentsNames.contains(relToEntityName)
&& mappedByPropertyName != null
&& mappedByPropertyName.equals(fromPropertyName)) {
toPropertyNames.add(relationDescription.getFromPropertyName());
}
}
return toPropertyNames;
}
