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);
}
}
}
}
}
}
}
private void addWithParentEntityNames(String entityName, Set<String> entityNames) {
entityNames.add(entityName);
final EntityConfiguration entCfg = entitiesConfigurations.get(entityName);
if (entCfg.getParentEntityName() != null) {
// collect descriptions from super classes
addWithParentEntityNames(entCfg.getParentEntityName(), entityNames);
}
}
private Collection<RelationDescription> getRelationDescriptions(String entityName) {
final EntityConfiguration entCfg = entitiesConfigurations.get(entityName);
Collection<RelationDescription> descriptions = new ArrayList<>();
if (entCfg.getParentEntityName() != null) {
// collect descriptions from super classes
descriptions.addAll(getRelationDescriptions(entCfg.getParentEntityName()));
}
for (RelationDescription relationDescription : entCfg.getRelationsIterator()) {
descriptions.add(relationDescription);
}
return descriptions;
}
public RelationDescription getRelationDescription(String entityName, String propertyName) {
final EntityConfiguration entCfg;
if (isVersioned(entityName)) {
entCfg = get(entityName);
} else {
entCfg = getNotVersionEntityConfiguration(entityName);
}
final RelationDescription relDesc = entCfg.getRelationDescription(propertyName);
if (relDesc != null) {
return relDesc;
} else if (entCfg.getParentEntityName() != null) {
// The field may be declared in a superclass ...
return getRelationDescription(entCfg.getParentEntityName(), propertyName);
} else {
return null;
}
}
