Examples of org.hibernate.type.Type

org.hibernate.type.Type
Defines a mapping between a Java type and one or more JDBC {@linkplain java.sql.Types types}, as well as describing the in-memory semantics of the given java type (how do we check it for 'dirtiness', how do we copy values, etc).
Application developers needing custom types can implement this interface (either directly or via subclassing an existing impl) or by the (slightly more stable, though more limited) {@link org.hibernate.usertype.UserType}interface.
Implementations of this interface must certainly be thread-safe. It is recommended that they be immutable as well, though that is difficult to achieve completely given the no-arg constructor requirement for custom types. @author Gavin King @author Steve Ebersole


  private FromElement createCollectionJoin(JoinSequence collectionJoinSequence, String tableAlias) throws SemanticException {
    String text = queryableCollection.getTableName();
    AST ast = createFromElement( text );
    FromElement destination = ( FromElement ) ast;
    Type elementType = queryableCollection.getElementType();
    if ( elementType.isCollectionType() ) {
      throw new SemanticException( "Collections of collections are not supported!" );
    }
    destination.initializeCollection( fromClause, classAlias, tableAlias );
    destination.setType( JOIN_FRAGMENT );    // Tag this node as a JOIN.
    destination.setIncludeSubclasses( false );  // Don't include subclasses in the join.

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      Element returnElem = (Element) returns.next();
      String name = returnElem.getName();
      if ( "return-scalar".equals( name ) ) {
        String column = returnElem.attributeValue( "column" );
        String typeFromXML = HbmBinder.getTypeFromXML( returnElem );
        Type type = null;
        if(typeFromXML!=null) {
          type = TypeFactory.heuristicType( typeFromXML );
          if ( type == null ) {
            throw new MappingException( "could not determine type " + type );
          }

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        entityAccessStrategies.put( cacheRegionName, accessStrategy );
        allCacheRegions.put( cacheRegionName, collectionRegion );
      }
      CollectionPersister persister = PersisterFactory.createCollectionPersister( cfg, model, accessStrategy, this) ;
      collectionPersisters.put( model.getRole(), persister.getCollectionMetadata() );
      Type indexType = persister.getIndexType();
      if ( indexType != null && indexType.isAssociationType() && !indexType.isAnyType() ) {
        String entityName = ( ( AssociationType ) indexType ).getAssociatedEntityName( this );
        Set roles = ( Set ) tmpEntityToCollectionRoleMap.get( entityName );
        if ( roles == null ) {
          roles = new HashSet();
          tmpEntityToCollectionRoleMap.put( entityName, roles );
        }
        roles.add( persister.getRole() );
      }
      Type elementType = persister.getElementType();
      if ( elementType.isAssociationType() && !elementType.isAnyType() ) {
        String entityName = ( ( AssociationType ) elementType ).getAssociatedEntityName( this );
        Set roles = ( Set ) tmpEntityToCollectionRoleMap.get( entityName );
        if ( roles == null ) {
          roles = new HashSet();
          tmpEntityToCollectionRoleMap.put( entityName, roles );

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  public boolean hasSequentialSelect() {
    return hasSequentialSelects;
  }
  
  private int getSubclassPropertyTableNumber(String propertyName, String entityName) {
    Type type = propertyMapping.toType(propertyName);
    if ( type.isAssociationType() && ( (AssociationType) type ).useLHSPrimaryKey() ) return 0;
    final Integer tabnum = (Integer) propertyTableNumbersByNameAndSubclass.get(entityName + '.' + propertyName);
    return tabnum==null ? 0 : tabnum.intValue();
  }

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  }


  protected abstract String getEntityName();


  public Type toType(String propertyName) throws QueryException {
    Type type = (Type) typesByPropertyPath.get(propertyName);
    if ( type == null ) {
      throw propertyException( propertyName );
    }
    return type;
  }

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      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 ) {

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  public boolean isPrimitive(Class clazz) {
    return getGetter(clazz).getReturnType().isPrimitive();
  }


  public CascadeStyle getCascadeStyle() throws MappingException {
    Type type = value.getType();
    if ( type.isComponentType() && !type.isAnyType() ) {
      AbstractComponentType actype = (AbstractComponentType) type;
      int length = actype.getSubtypes().length;
      for ( int i=0; i<length; i++ ) {
        if ( actype.getCascadeStyle(i)!=CascadeStyle.NONE ) return CascadeStyle.ALL;
      }

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   */
  public void initialize() {
    // TODO : this really needs to be delayed unitl after we definitively know the operand node type;
    // where this is currently a problem is parameters for which where we cannot unequivocally
    // resolve an expected type
    Type operandType = extractDataType( getOperand() );
    if ( operandType == null ) {
      return;
    }
    SessionFactoryImplementor sessionFactory = getSessionFactoryHelper().getFactory();
    int operandColumnSpan = operandType.getColumnSpan( sessionFactory );
    if ( operandColumnSpan > 1 ) {
      mutateRowValueConstructorSyntax( operandColumnSpan );
    }
  }

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      }
    }
  }


  private static Type extractDataType(Node operand) {
    Type type = null;
    if ( operand instanceof SqlNode ) {
      type = ( ( SqlNode ) operand ).getDataType();
    }
    if ( type == null && operand instanceof ExpectedTypeAwareNode ) {
      type = ( ( ExpectedTypeAwareNode ) operand ).getExpectedType();

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   * SingleTableEntityPersister defines an overloaded form
   * which takes the entity name.
   */
  public int getSubclassPropertyTableNumber(String propertyPath) {
    String rootPropertyName = StringHelper.root(propertyPath);
    Type type = propertyMapping.toType(rootPropertyName);
    if ( type.isAssociationType() ) {
      AssociationType assocType = ( AssociationType ) type;
      if ( assocType.useLHSPrimaryKey() ) {
        // performance op to avoid the array search
        return 0;
      }
      else if ( type.isCollectionType() ) {
        // properly handle property-ref-based associations
        rootPropertyName = assocType.getLHSPropertyName();
      }
    }
    //Enable for HHH-440, which we don't like:

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