Package org.hibernate.persister.collection

Examples of org.hibernate.persister.collection.QueryableCollection

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    return joinFragment;
  }

  private boolean isManyToManyRoot(Joinable joinable) {
    if ( joinable != null && joinable.isCollection() ) {
      QueryableCollection persister = ( QueryableCollection ) joinable;
      return persister.isManyToMany();
    }
    return false;
  }
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        includeInResultRowList.add( true );
      }
      else if ( rtn instanceof CollectionReturn ) {
        CollectionReturn collRtn = ( CollectionReturn ) rtn;
        String role = collRtn.getOwnerEntityName() + "." + collRtn.getOwnerProperty();
        QueryableCollection persister = ( QueryableCollection ) factory.getCollectionPersister( role );
        collectionPersisters.add( persister );
        lockModes.add( collRtn.getLockMode() );
        resultColumnProcessors.add( new NonScalarResultColumnProcessor( returnableCounter++ ) );
        nonScalarReturnList.add( rtn );
        collectionOwners.add( new Integer( -1 ) );
        resultTypes.add( persister.getType() );
        specifiedAliases.add( collRtn.getAlias() );
        collectionAliases.add( collRtn.getCollectionAliases() );
        // determine if the collection elements are entities...
        Type elementType = persister.getElementType();
        if ( elementType.isEntityType() ) {
          Queryable elementPersister = ( Queryable ) ( ( EntityType ) elementType ).getAssociatedJoinable( factory );
          entityPersisters.add( elementPersister );
          entityOwners.add( new Integer( -1 ) );
          entityAliases.add( collRtn.getElementEntityAliases() );
          ArrayHelper.addAll( querySpaces, elementPersister.getQuerySpaces() );
        }
        includeInResultRowList.add( true );
      }
      else if ( rtn instanceof EntityFetchReturn ) {
        EntityFetchReturn fetchRtn = ( EntityFetchReturn ) rtn;
        NonScalarReturn ownerDescriptor = fetchRtn.getOwner();
        int ownerIndex = nonScalarReturnList.indexOf( ownerDescriptor );
        entityOwners.add( new Integer( ownerIndex ) );
        lockModes.add( fetchRtn.getLockMode() );
        Queryable ownerPersister = determineAppropriateOwnerPersister( ownerDescriptor );
        EntityType fetchedType = ( EntityType ) ownerPersister.getPropertyType( fetchRtn.getOwnerProperty() );
        String entityName = fetchedType.getAssociatedEntityName( getFactory() );
        Queryable persister = ( Queryable ) factory.getEntityPersister( entityName );
        entityPersisters.add( persister );
        nonScalarReturnList.add( rtn );
        specifiedAliases.add( fetchRtn.getAlias() );
        entityAliases.add( fetchRtn.getEntityAliases() );
        ArrayHelper.addAll( querySpaces, persister.getQuerySpaces() );
        includeInResultRowList.add( false );
      }
      else if ( rtn instanceof CollectionFetchReturn ) {
        CollectionFetchReturn fetchRtn = ( CollectionFetchReturn ) rtn;
        NonScalarReturn ownerDescriptor = fetchRtn.getOwner();
        int ownerIndex = nonScalarReturnList.indexOf( ownerDescriptor );
        collectionOwners.add( new Integer( ownerIndex ) );
        lockModes.add( fetchRtn.getLockMode() );
        Queryable ownerPersister = determineAppropriateOwnerPersister( ownerDescriptor );
        String role = ownerPersister.getEntityName() + '.' + fetchRtn.getOwnerProperty();
        QueryableCollection persister = ( QueryableCollection ) factory.getCollectionPersister( role );
        collectionPersisters.add( persister );
        nonScalarReturnList.add( rtn );
        specifiedAliases.add( fetchRtn.getAlias() );
        collectionAliases.add( fetchRtn.getCollectionAliases() );
        // determine if the collection elements are entities...
        Type elementType = persister.getElementType();
        if ( elementType.isEntityType() ) {
          Queryable elementPersister = ( Queryable ) ( ( EntityType ) elementType ).getAssociatedJoinable( factory );
          entityPersisters.add( elementPersister );
          entityOwners.add( new Integer( ownerIndex ) );
          entityAliases.add( fetchRtn.getElementEntityAliases() );
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//      }

      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( FILTER_ENTITY, collectionElementEntityName );
        ASTUtil.createSibling( inputAstFactory, HqlTokenTypes.ALIAS, "this", fromElement );
        fromClauseInput.addChild( fromElement );
        // Show the modified AST.
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  }

  protected AST createFromFilterElement(AST filterEntity, AST alias) throws SemanticException {
    FromElement fromElement = currentFromClause.addFromElement( filterEntity.getText(), alias );
    FromClause fromClause = fromElement.getFromClause();
    QueryableCollection persister = sessionFactoryHelper.getCollectionPersister( collectionFilterRole );
    // Get the names of the columns used to link between the collection
    // owner and the collection elements.
    String[] keyColumnNames = persister.getKeyColumnNames();
    String fkTableAlias = persister.isOneToMany()
        ? fromElement.getTableAlias()
        : fromClause.getAliasGenerator().createName( collectionFilterRole );
    JoinSequence join = sessionFactoryHelper.createJoinSequence();
    join.setRoot( persister, fkTableAlias );
    if ( !persister.isOneToMany() ) {
      join.addJoin( ( AssociationType ) persister.getElementType(),
          fromElement.getTableAlias(),
          JoinFragment.INNER_JOIN,
          persister.getElementColumnNames( fkTableAlias ) );
    }
    join.addCondition( fkTableAlias, keyColumnNames, " = ?" );
    fromElement.setJoinSequence( join );
    fromElement.setFilter( true );
    if ( log.isDebugEnabled() ) {
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   * Used for collection filters
   */
  private void addFromAssociation(final String elementName, final String collectionRole)
      throws QueryException {
    //q.addCollection(collectionName, collectionRole);
    QueryableCollection persister = getCollectionPersister( collectionRole );
    Type collectionElementType = persister.getElementType();
    if ( !collectionElementType.isEntityType() ) {
      throw new QueryException( "collection of values in filter: " + elementName );
    }

    String[] keyColumnNames = persister.getKeyColumnNames();
    //if (keyColumnNames.length!=1) throw new QueryException("composite-key collection in filter: " + collectionRole);

    String collectionName;
    JoinSequence join = new JoinSequence( getFactory() );
    collectionName = persister.isOneToMany() ?
        elementName :
        createNameForCollection( collectionRole );
    join.setRoot( persister, collectionName );
    if ( !persister.isOneToMany() ) {
      //many-to-many
      addCollection( collectionName, collectionRole );
      try {
        join.addJoin( ( AssociationType ) persister.getElementType(),
            elementName,
            JoinFragment.INNER_JOIN,
            persister.getElementColumnNames(collectionName) );
      }
      catch ( MappingException me ) {
        throw new QueryException( me );
      }
    }
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    }
  }

  public boolean isManyToManyWith(OuterJoinableAssociation other) {
    if ( joinable.isCollection() ) {
      QueryableCollection persister = ( QueryableCollection ) joinable;
      if ( persister.isManyToMany() ) {
        return persister.getElementType() == other.getJoinableType();
      }
    }
    return false;
  }
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              else if ( aType.getForeignKeyDirection() == ForeignKeyDirection.FOREIGN_KEY_FROM_PARENT ) {
                final String lhsTableName;
                final String[] lhsColumnNames;

                if ( joinable.isCollection() ) {
                  final QueryableCollection collectionPersister = (QueryableCollection) joinable;
                  lhsTableName = collectionPersister.getTableName();
                  lhsColumnNames = collectionPersister.getElementColumnNames();
                }
                else {
                  final OuterJoinLoadable entityPersister = (OuterJoinLoadable) locateOwningPersister();
                  lhsTableName = getLHSTableName( aType, attributeNumber(), entityPersister );
                  lhsColumnNames = getLHSColumnNames(
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  @Override
  protected void validateMapPropertyExpression(AST node) throws SemanticException {
    try {
      FromReferenceNode fromReferenceNode = (FromReferenceNode) node;
      QueryableCollection collectionPersister = fromReferenceNode.getFromElement().getQueryableCollection();
      if ( !Map.class.isAssignableFrom( collectionPersister.getCollectionType().getReturnedClass() ) ) {
        throw new SemanticException( "node did not reference a map" );
      }
    }
    catch (SemanticException se) {
      throw se;
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  @Override
  public String getAssociatedEntityName(SessionFactoryImplementor factory)
      throws MappingException {
    try {
     
      QueryableCollection collectionPersister = (QueryableCollection) factory
          .getCollectionPersister( role );
     
      if ( !collectionPersister.getElementType().isEntityType() ) {
        throw new MappingException(
            "collection was not an association: " +
            collectionPersister.getRole()
          );
      }
     
      return collectionPersister.getElementPersister().getEntityName();
     
    }
    catch (ClassCastException cce) {
      throw new MappingException( "collection role is not queryable " + role );
    }
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//      }

      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.
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Related Classes of org.hibernate.persister.collection.QueryableCollection

  • org.hibernate.criterion.AbstractEmptinessExpression
  • org.hibernate.criterion.SizeExpression
  • org.hibernate.engine.internal.JoinSequence
  • org.hibernate.engine.JoinSequence
  • org.hibernate.engine.query.spi.EntityGraphQueryHint
  • org.hibernate.hql.ast.HqlSqlWalker
  • org.hibernate.hql.ast.tree.DotNode
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  • org.hibernate.hql.ast.tree.IdentNode
  • org.hibernate.hql.ast.tree.IndexNode
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