org.hibernate.param.CollectionFilterKeyParameterSpecification Java Examples

The following examples show how to use org.hibernate.param.CollectionFilterKeyParameterSpecification. 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: QueryTranslatorImpl.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Compile a filter. This method may be called multiple
 * times. Subsequent invocations are no-ops.
 */
public synchronized void compile(
		String collectionRole,
		Map replacements,
		boolean scalar) throws QueryException, MappingException {

	if ( !isCompiled() ) {
		addFromAssociation( "this", collectionRole );
		paramValueBinders.add(
				new CollectionFilterKeyParameterSpecification(
						collectionRole,
						getFactory().getMetamodel().collectionPersister( collectionRole ).getKeyType()
				)
		);
		compile( replacements, scalar );
	}
}
Example #2
Source File: HqlSqlWalker.java    From lams with GNU General Public License v2.0 4 votes vote down vote up 
@Override
	protected void prepareFromClauseInputTree(AST fromClauseInput) {
		if ( !isSubQuery() ) {
//			// inject param specifications to account for dynamic filter param values
//			if ( ! getEnabledFilters().isEmpty() ) {
//				Iterator filterItr = getEnabledFilters().values().iterator();
//				while ( filterItr.hasNext() ) {
//					FilterImpl filter = ( FilterImpl ) filterItr.next();
//					if ( ! filter.getFilterDefinition().getParameterNames().isEmpty() ) {
//						Iterator paramItr = filter.getFilterDefinition().getParameterNames().iterator();
//						while ( paramItr.hasNext() ) {
//							String parameterName = ( String ) paramItr.next();
//							// currently param filters *only* work with single-column parameter types;
//							// if that limitation is ever lifted, this logic will need to change to account for that
//							ParameterNode collectionFilterKeyParameter = ( ParameterNode ) astFactory.create( PARAM, "?" );
//							DynamicFilterParameterSpecification paramSpec = new DynamicFilterParameterSpecification(
//									filter.getName(),
//									parameterName,
//									filter.getFilterDefinition().getParameterType( parameterName ),
//									 positionalParameterCount++
//							);
//							collectionFilterKeyParameter.setHqlParameterSpecification( paramSpec );
//							parameterSpecs.add( paramSpec );
//						}
//					}
//				}
//			}

			if ( isFilter() ) {
				// Handle collection-filter compilation.
				// IMPORTANT NOTE: This is modifying the INPUT (HQL) tree, not the output tree!
				QueryableCollection persister = sessionFactoryHelper.getCollectionPersister( collectionFilterRole );
				Type collectionElementType = persister.getElementType();
				if ( !collectionElementType.isEntityType() ) {
					throw new QueryException( "collection of values in filter: this" );
				}

				String collectionElementEntityName = persister.getElementPersister().getEntityName();
				ASTFactory inputAstFactory = hqlParser.getASTFactory();
				AST fromElement = inputAstFactory.create( HqlTokenTypes.FILTER_ENTITY, collectionElementEntityName );
				ASTUtil.createSibling( inputAstFactory, HqlTokenTypes.ALIAS, "this", fromElement );
				fromClauseInput.addChild( fromElement );
				// Show the modified AST.
				LOG.debug( "prepareFromClauseInputTree() : Filter - Added 'this' as a from element..." );
				queryTranslatorImpl.showHqlAst( hqlParser.getAST() );

				// Create a parameter specification for the collection filter...
				final Type collectionFilterKeyType = sessionFactoryHelper.requireQueryableCollection( collectionFilterRole )
						.getKeyType();
				final ParameterNode collectionFilterKeyParameter = (ParameterNode) astFactory.create( PARAM, "?" );
				final CollectionFilterKeyParameterSpecification collectionFilterKeyParameterSpec = new CollectionFilterKeyParameterSpecification(
						collectionFilterRole,
						collectionFilterKeyType
				);
				parameterCount++;
				collectionFilterKeyParameter.setHqlParameterSpecification( collectionFilterKeyParameterSpec );
				parameterSpecs.add( collectionFilterKeyParameterSpec );
			}
		}
	}
Example #3
Source File: HqlSqlWalker.java    From cacheonix-core with GNU Lesser General Public License v2.1 4 votes vote down vote up 
protected void prepareFromClauseInputTree(AST fromClauseInput) {
		if ( !isSubQuery() ) {
//			// inject param specifications to account for dynamic filter param values
//			if ( ! getEnabledFilters().isEmpty() ) {
//				Iterator filterItr = getEnabledFilters().values().iterator();
//				while ( filterItr.hasNext() ) {
//					FilterImpl filter = ( FilterImpl ) filterItr.next();
//					if ( ! filter.getFilterDefinition().getParameterNames().isEmpty() ) {
//						Iterator paramItr = filter.getFilterDefinition().getParameterNames().iterator();
//						while ( paramItr.hasNext() ) {
//							String parameterName = ( String ) paramItr.next();
//							// currently param filters *only* work with single-column parameter types;
//							// if that limitation is ever lifted, this logic will need to change to account for that
//							ParameterNode collectionFilterKeyParameter = ( ParameterNode ) astFactory.create( PARAM, "?" );
//							DynamicFilterParameterSpecification paramSpec = new DynamicFilterParameterSpecification(
//									filter.getName(),
//									parameterName,
//									filter.getFilterDefinition().getParameterType( parameterName ),
//									 positionalParameterCount++
//							);
//							collectionFilterKeyParameter.setHqlParameterSpecification( paramSpec );
//							parameters.add( paramSpec );
//						}
//					}
//				}
//			}

			if ( isFilter() ) {
				// Handle collection-fiter compilation.
				// IMPORTANT NOTE: This is modifying the INPUT (HQL) tree, not the output tree!
				QueryableCollection persister = sessionFactoryHelper.getCollectionPersister( collectionFilterRole );
				Type collectionElementType = persister.getElementType();
				if ( !collectionElementType.isEntityType() ) {
					throw new QueryException( "collection of values in filter: this" );
				}

				String collectionElementEntityName = persister.getElementPersister().getEntityName();
				ASTFactory inputAstFactory = hqlParser.getASTFactory();
				AST fromElement = ASTUtil.create( inputAstFactory, HqlTokenTypes.FILTER_ENTITY, collectionElementEntityName );
				ASTUtil.createSibling( inputAstFactory, HqlTokenTypes.ALIAS, "this", fromElement );
				fromClauseInput.addChild( fromElement );
				// Show the modified AST.
				if ( log.isDebugEnabled() ) {
					log.debug( "prepareFromClauseInputTree() : Filter - Added 'this' as a from element..." );
				}
				queryTranslatorImpl.showHqlAst( hqlParser.getAST() );

				// Create a parameter specification for the collection filter...
				Type collectionFilterKeyType = sessionFactoryHelper.requireQueryableCollection( collectionFilterRole ).getKeyType();
				ParameterNode collectionFilterKeyParameter = ( ParameterNode ) astFactory.create( PARAM, "?" );
				CollectionFilterKeyParameterSpecification collectionFilterKeyParameterSpec = new CollectionFilterKeyParameterSpecification(
						collectionFilterRole, collectionFilterKeyType, positionalParameterCount++
				);
				collectionFilterKeyParameter.setHqlParameterSpecification( collectionFilterKeyParameterSpec );
				parameters.add( collectionFilterKeyParameterSpec );
			}
		}
	}