Java Code Examples for org.hibernate.type.EntityType#isReferenceToPrimaryKey()

The following examples show how to use org.hibernate.type.EntityType#isReferenceToPrimaryKey() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AbstractPropertyMapping.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
protected void initIdentifierPropertyPaths(
		final String path,
		final EntityType etype,
		final String[] columns,
		final String[] columnReaders,
		final String[] columnReaderTemplates,
		final Mapping factory) throws MappingException {

	Type idtype = etype.getIdentifierOrUniqueKeyType( factory );
	String idPropName = etype.getIdentifierOrUniqueKeyPropertyName( factory );
	boolean hasNonIdentifierPropertyNamedId = hasNonIdentifierPropertyNamedId( etype, factory );

	if ( etype.isReferenceToPrimaryKey() ) {
		if ( !hasNonIdentifierPropertyNamedId ) {
			String idpath1 = extendPath( path, EntityPersister.ENTITY_ID );
			addPropertyPath( idpath1, idtype, columns, columnReaders, columnReaderTemplates, null, factory );
			initPropertyPaths( idpath1, idtype, columns, columnReaders, columnReaderTemplates, null, factory );
		}
	}

	if ( idPropName != null ) {
		String idpath2 = extendPath( path, idPropName );
		addPropertyPath( idpath2, idtype, columns, columnReaders, columnReaderTemplates, null, factory );
		initPropertyPaths( idpath2, idtype, columns, columnReaders, columnReaderTemplates, null, factory );
	}
}
Example 2
Source File: DotNode.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Is the given property name a reference to the primary key of the associated
 * entity construed by the given entity type?
 * <p/>
 * For example, consider a fragment like order.customer.id
 * (where order is a from-element alias).  Here, we'd have:
 * propertyName = "id" AND
 * owningType = ManyToOneType(Customer)
 * and are being asked to determine whether "customer.id" is a reference
 * to customer's PK...
 *
 * @param propertyName The name of the property to check.
 * @param owningType The type represeting the entity "owning" the property
 *
 * @return True if propertyName references the entity's (owningType->associatedEntity)
 *         primary key; false otherwise.
 */
private boolean isReferenceToPrimaryKey(String propertyName, EntityType owningType) {
	EntityPersister persister = getSessionFactoryHelper()
			.getFactory()
			.getEntityPersister( owningType.getAssociatedEntityName() );
	if ( persister.getEntityMetamodel().hasNonIdentifierPropertyNamedId() ) {
		// only the identifier property field name can be a reference to the associated entity's PK...
		return propertyName.equals( persister.getIdentifierPropertyName() ) && owningType.isReferenceToPrimaryKey();
	}
	// here, we have two possibilities:
	// 1) the property-name matches the explicitly identifier property name
	// 2) the property-name matches the implicit 'id' property name
	// the referenced node text is the special 'id'
	if ( EntityPersister.ENTITY_ID.equals( propertyName ) ) {
		return owningType.isReferenceToPrimaryKey();
	}
	String keyPropertyName = getSessionFactoryHelper().getIdentifierOrUniqueKeyPropertyName( owningType );
	return keyPropertyName != null && keyPropertyName.equals( propertyName ) && owningType.isReferenceToPrimaryKey();
}
Example 3
Source File: AbstractPropertyMapping.java    From cacheonix-core with GNU Lesser General Public License v2.1 6 votes vote down vote up 
protected void initIdentifierPropertyPaths(
		final String path, 
		final EntityType etype, 
		final String[] columns, 
		final Mapping factory) throws MappingException {

	Type idtype = etype.getIdentifierOrUniqueKeyType( factory );
	String idPropName = etype.getIdentifierOrUniqueKeyPropertyName(factory);
	boolean hasNonIdentifierPropertyNamedId = hasNonIdentifierPropertyNamedId( etype, factory );

	if ( etype.isReferenceToPrimaryKey() ) {
		if ( !hasNonIdentifierPropertyNamedId ) {
			String idpath1 = extendPath(path, EntityPersister.ENTITY_ID);
			addPropertyPath(idpath1, idtype, columns, null);
			initPropertyPaths(idpath1, idtype, columns, null, factory);
		}
	}

	if (idPropName!=null) {
		String idpath2 = extendPath(path, idPropName);
		addPropertyPath(idpath2, idtype, columns, null);
		initPropertyPaths(idpath2, idtype, columns, null, factory);
	}
}
Example 4
Source File: DotNode.java    From cacheonix-core with GNU Lesser General Public License v2.1 6 votes vote down vote up 
/**
 * Is the given property name a reference to the primary key of the associated
 * entity construed by the given entity type?
 * <p/>
 * For example, consider a fragment like order.customer.id
 * (where order is a from-element alias).  Here, we'd have:
 * propertyName = "id" AND
 * owningType = ManyToOneType(Customer)
 * and are being asked to determine whether "customer.id" is a reference
 * to customer's PK...
 *
 * @param propertyName The name of the property to check.
 * @param owningType The type represeting the entity "owning" the property
 * @return True if propertyName references the entity's (owningType->associatedEntity)
 * primary key; false otherwise.
 */
private boolean isReferenceToPrimaryKey(String propertyName, EntityType owningType) {
	EntityPersister persister = getSessionFactoryHelper()
			.getFactory()
			.getEntityPersister( owningType.getAssociatedEntityName() );
	if ( persister.getEntityMetamodel().hasNonIdentifierPropertyNamedId() ) {
		// only the identifier property field name can be a reference to the associated entity's PK...
		return propertyName.equals( persister.getIdentifierPropertyName() ) && owningType.isReferenceToPrimaryKey();
	}
	else {
		// here, we have two possibilities:
		// 		1) the property-name matches the explicitly identifier property name
		//		2) the property-name matches the implicit 'id' property name
		if ( EntityPersister.ENTITY_ID.equals( propertyName ) ) {
			// the referenced node text is the special 'id'
			return owningType.isReferenceToPrimaryKey();
		}
		else {
			String keyPropertyName = getSessionFactoryHelper().getIdentifierOrUniqueKeyPropertyName( owningType );
			return keyPropertyName != null && keyPropertyName.equals( propertyName ) && owningType.isReferenceToPrimaryKey();
		}
	}
}
Example 5
Source File: PathExpressionParser.java    From cacheonix-core with GNU Lesser General Public License v2.1 5 votes vote down vote up 
private void dereferenceEntity(String propertyName, EntityType propertyType, QueryTranslatorImpl q)
		throws QueryException {
	//NOTE: we avoid joining to the next table if the named property is just the foreign key value

	//if its "id"
	boolean isIdShortcut = EntityPersister.ENTITY_ID.equals( propertyName ) &&
			propertyType.isReferenceToPrimaryKey();

	//or its the id property name
	final String idPropertyName;
	try {
		idPropertyName = propertyType.getIdentifierOrUniqueKeyPropertyName( q.getFactory() );
	}
	catch ( MappingException me ) {
		throw new QueryException( me );
	}
	boolean isNamedIdPropertyShortcut = idPropertyName != null
			&& idPropertyName.equals( propertyName )
			&& propertyType.isReferenceToPrimaryKey();

	if ( isIdShortcut || isNamedIdPropertyShortcut ) {
		// special shortcut for id properties, skip the join!
		// this must only occur at the _end_ of a path expression
		if ( componentPath.length() > 0 ) componentPath.append( '.' );
		componentPath.append( propertyName );
	}
	else {
		String entityClass = propertyType.getAssociatedEntityName();
		String name = q.createNameFor( entityClass );
		q.addType( name, entityClass );
		addJoin( name, propertyType );
		if ( propertyType.isOneToOne() ) oneToOneOwnerName = currentName;
		ownerAssociationType = propertyType;
		currentName = name;
		currentProperty = propertyName;
		q.addPathAliasAndJoin( path.substring( 0, path.toString().lastIndexOf( '.' ) ), name, joinSequence.copy() );
		componentPath.setLength( 0 );
		currentPropertyMapping = q.getEntityPersister( entityClass );
	}
}
Example 6
Source File: PathExpressionParser.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
private void dereferenceEntity(String propertyName, EntityType propertyType, QueryTranslatorImpl q)
		throws QueryException {
	//NOTE: we avoid joining to the next table if the named property is just the foreign key value

	//if its "id"
	boolean isIdShortcut = EntityPersister.ENTITY_ID.equals( propertyName )
			&& propertyType.isReferenceToPrimaryKey();

	//or its the id property name
	final String idPropertyName;
	try {
		idPropertyName = propertyType.getIdentifierOrUniqueKeyPropertyName( q.getFactory() );
	}
	catch ( MappingException me ) {
		throw new QueryException( me );
	}
	boolean isNamedIdPropertyShortcut = idPropertyName != null
			&& idPropertyName.equals( propertyName )
			&& propertyType.isReferenceToPrimaryKey();


	if ( isIdShortcut || isNamedIdPropertyShortcut ) {
		// special shortcut for id properties, skip the join!
		// this must only occur at the _end_ of a path expression
		if ( componentPath.length() > 0 ) {
			componentPath.append( '.' );
		}
		componentPath.append( propertyName );
	}
	else {
		String entityClass = propertyType.getAssociatedEntityName();
		String name = q.createNameFor( entityClass );
		q.addType( name, entityClass );
		addJoin( name, propertyType );
		if ( propertyType.isOneToOne() ) {
			oneToOneOwnerName = currentName;
		}
		ownerAssociationType = propertyType;
		currentName = name;
		currentProperty = propertyName;
		q.addPathAliasAndJoin( path.substring( 0, path.toString().lastIndexOf( '.' ) ), name, joinSequence.copy() );
		componentPath.setLength( 0 );
		currentPropertyMapping = q.getEntityPersister( entityClass );
	}
}