How to use

getReferencedPropertyType

method

in

org.hibernate.engine.spi.Mapping

private boolean hasNonIdentifierPropertyNamedId(final EntityType entityType, final Mapping factory) {
  // TODO : would be great to have a Mapping#hasNonIdentifierPropertyNamedId method
  // I don't believe that Mapping#getReferencedPropertyType accounts for the identifier property; so
  // if it returns for a property named 'id', then we should have a non-id field named id
  try {
    return factory.getReferencedPropertyType(
        entityType.getAssociatedEntityName(),
        EntityPersister.ENTITY_ID
    ) != null;
  }
  catch (MappingException e) {
    return false;
  }
}

/**
 * Determine the type of either (1) the identifier if we reference the
 * associated entity's PK or (2) the unique key to which we refer (i.e.
 * the property-ref).
 *
 * @param factory The mappings...
 *
 * @return The appropriate type.
 *
 * @throws MappingException Generally, if unable to resolve the associated entity name
 * or unique key property name.
 */
public final Type getIdentifierOrUniqueKeyType(Mapping factory) throws MappingException {
  if ( isReferenceToPrimaryKey() || uniqueKeyPropertyName == null ) {
    return getIdentifierType( factory );
  }
  else {
    Type type = factory.getReferencedPropertyType( getAssociatedEntityName(), uniqueKeyPropertyName );
    if ( type.isEntityType() ) {
      type = ( (EntityType) type ).getIdentifierOrUniqueKeyType( factory );
    }
    return type;
  }
}

private boolean hasNonIdentifierPropertyNamedId(final EntityType entityType, final Mapping factory) {
  // TODO : would be great to have a Mapping#hasNonIdentifierPropertyNamedId method
  // I don't believe that Mapping#getReferencedPropertyType accounts for the identifier property; so
  // if it returns for a property named 'id', then we should have a non-id field named id
  try {
    return factory.getReferencedPropertyType( entityType.getAssociatedEntityName(), EntityPersister.ENTITY_ID ) != null;
  }
  catch( MappingException e ) {
    return false;
  }
}

private boolean hasNonIdentifierPropertyNamedId(final EntityType entityType, final Mapping factory) {
  // TODO : would be great to have a Mapping#hasNonIdentifierPropertyNamedId method
  // I don't believe that Mapping#getReferencedPropertyType accounts for the identifier property; so
  // if it returns for a property named 'id', then we should have a non-id field named id
  try {
    return factory.getReferencedPropertyType( entityType.getAssociatedEntityName(), EntityPersister.ENTITY_ID ) != null;
  }
  catch( MappingException e ) {
    return false;
  }
}

/**
 * Determine the type of either (1) the identifier if we reference the
 * associated entity's PK or (2) the unique key to which we refer (i.e.
 * the property-ref).
 *
 * @param factory The mappings...
 * @return The appropriate type.
 * @throws MappingException Generally, if unable to resolve the associated entity name
 * or unique key property name.
 */
public final Type getIdentifierOrUniqueKeyType(Mapping factory) throws MappingException {
  if ( isReferenceToPrimaryKey() ) {
    return getIdentifierType(factory);
  }
  else {
    Type type = factory.getReferencedPropertyType( getAssociatedEntityName(), uniqueKeyPropertyName );
    if ( type.isEntityType() ) {
      type = ( ( EntityType ) type).getIdentifierOrUniqueKeyType( factory );
    }
    return type;
  }
}

/**
 * Determine the type of either (1) the identifier if we reference the
 * associated entity's PK or (2) the unique key to which we refer (i.e.
 * the property-ref).
 *
 * @param factory The mappings...
 * @return The appropriate type.
 * @throws MappingException Generally, if unable to resolve the associated entity name
 * or unique key property name.
 */
public final Type getIdentifierOrUniqueKeyType(Mapping factory) throws MappingException {
  if ( isReferenceToPrimaryKey() ) {
    return getIdentifierType(factory);
  }
  else {
    Type type = factory.getReferencedPropertyType( getAssociatedEntityName(), uniqueKeyPropertyName );
    if ( type.isEntityType() ) {
      type = ( ( EntityType ) type).getIdentifierOrUniqueKeyType( factory );
    }
    return type;
  }
}