Java EntityType.isReferenceToPrimaryKey方法代码示例

import org.hibernate.type.EntityType; //导入方法依赖的package包/类
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);
			initPropertyPaths(idpath1, idtype, columns, columnReaders, columnReaderTemplates, null, factory);
		}
	}

	if (idPropName!=null) {
		String idpath2 = extendPath(path, idPropName);
		addPropertyPath(idpath2, idtype, columns, columnReaders, columnReaderTemplates, null);
		initPropertyPaths(idpath2, idtype, columns, columnReaders, columnReaderTemplates, null, factory);
	}
}
 

import org.hibernate.type.EntityType; //导入方法依赖的package包/类
/**
 * 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();
}
 

import org.hibernate.type.EntityType; //导入方法依赖的package包/类
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);
	}
}
 

import org.hibernate.type.EntityType; //导入方法依赖的package包/类
/**
 * 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();
		}
	}
}
 

import org.hibernate.type.EntityType; //导入方法依赖的package包/类
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 );
	}
}
 

import org.hibernate.type.EntityType; //导入方法依赖的package包/类
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 );
	}
}