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 String getCollectionRoleFromToOne(OgmEntityPersister associatedPersister) {
    //code logic is slightly duplicated but the input and context is different, hence this choice
    Type[] propertyTypes = associatedPersister.getPropertyTypes();
    String otherSidePropertyName = null;
    for ( int index = 0 ; index <  propertyTypes.length ; index++ ) {
      Type type = propertyTypes[index];
      boolean matching = false;
      //we try and restrict type search as much as possible
      //we look for associations that also are collections
      if ( type.isAssociationType() && type.isCollectionType() ) {
        matching = isCollectionMatching( (CollectionType) type, associationKeyMetadata.getTable() );
      }
      //we look for associations that are to-one
      else if ( type.isAssociationType() && ! type.isCollectionType() ) { //isCollectionType redundant but kept for readability
        matching = isToOneMatching( associatedPersister, index, type );
      }
      if ( matching ) {
        otherSidePropertyName = associatedPersister.getPropertyNames()[index];
        break;

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    String otherSidePropertyName = null;
    Loadable elementPersister = (Loadable) collectionPersister.getElementPersister();
    Type[] propertyTypes = elementPersister.getPropertyTypes();


    for ( int index = 0 ; index <  propertyTypes.length ; index++ ) {
      Type type = propertyTypes[index];
      //we try and restrict type search as much as possible
      if ( type.isAssociationType() ) {
        boolean matching = false;
        //if the main side collection is a one-to-many, the reverse side should be a to-one is not a collection
        if ( collectionPersister.isOneToMany() && ! type.isCollectionType() ) {
          matching = isToOneMatching( elementPersister, index, type );
        }
        //if the main side collection is not a one-to-many, the reverse side should be a collection
        else if ( ! collectionPersister.isOneToMany() && type.isCollectionType() ) {
          matching = isCollectionMatching( (CollectionType) type, collectionPersister.getTableName() );
        }
        if ( matching ) {
          otherSidePropertyName = elementPersister.getPropertyNames()[index];
          break;

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    customSQLDelete = new String[TABLE_SPAN];
  }


  private void initAssociationKeyMetadata() {
    for (int index = 0 ; index < getPropertySpan() ; index++) {
      final Type uniqueKeyType = getPropertyTypes()[index];
      if ( uniqueKeyType.isEntityType() ) {
        String[] propertyColumnNames = getPropertyColumnNames( index );
        String[] rowKeyColumnNames = buildRowKeyColumnNamesForStarToOne( this, propertyColumnNames );
        String tableName = getTableName();
        EntityKeyMetadata entityKeyMetadata = createTargetEntityKeyMetadatata( tableName, propertyColumnNames, rowKeyColumnNames );
        AssociationKeyMetadata metadata = new AssociationKeyMetadata(

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    }
  }


  private GridType getUniqueKeyTypeFromAssociatedEntity(int propertyIndex, String propertyName) {
    GridType gridUniqueKeyType;//get the unique key type and if it's an entity type, get it's identifier type
    final Type uniqueKeyType = getPropertyTypes()[propertyIndex];
    if ( uniqueKeyType.isEntityType() ) {
      //we run under the assumption that we are fully in an OGM world
      EntityType entityType = (EntityType) uniqueKeyType;
      final OgmEntityPersister entityPersister = (OgmEntityPersister) entityType.getAssociatedJoinable( getFactory() );
      gridUniqueKeyType = entityPersister.getGridIdentifierType();
    }

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      if ( !customQuery.getCustomQueryReturns().isEmpty() ) {
        entry = new Object[customQuery.getCustomQueryReturns().size()];
        int i = 0;
        for ( Return queryReturn : customQuery.getCustomQueryReturns() ) {
          ScalarReturn scalarReturn = (ScalarReturn) queryReturn;
          Type type = scalarReturn.getType();


          if ( type != null ) {
            GridType gridType = typeTranslator.getType( type );
            entry[i++] = gridType.nullSafeGet( tuple, scalarReturn.getColumnAlias(), session, null );
          }

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      );
    }


    final AssociationType attributeType = (AssociationType) Helper.resolveType( sessionFactory(), attribute );
    final QueryableCollection collectionPersister = (QueryableCollection) attributeType.getAssociatedJoinable( sessionFactory() );
    final Type indexType = collectionPersister.getIndexType();


    if ( ! indexType.isAssociationType() ) {
      throw new IllegalArgumentException(
          String.format( "Map index [%s] is not an entity; cannot be target of key subgraph", getAttributeName() )
      );
    }

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        column.getName(),
        sqlTypeCode.intValue(),
        column.getLength(), column.getPrecision(), column.getScale(), column.isNullable(), generatedIdentifier
    );


    Type wantedType = TypeFactory.heuristicType(preferredHibernateType);


    if(wantedType!=null) {
      int[] wantedSqlTypes = wantedType.sqlTypes(mapping);


      if(wantedSqlTypes.length>1) {
        throw new JDBCBinderException("The type " + preferredHibernateType + " found on " + location + " spans multiple columns. Only single column types allowed.");
      }

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      for ( int i = 0; i < fields.length ; i++ ) {
        Field field = fields[i];
        if ( Modifier.isStatic( field.getModifiers() ) ) {
          if ( Type.class.isAssignableFrom( field.getType() ) ) {
            try {
              Type type = (Type) field.get( Hibernate.class );
              if ( !PRIMITIVES.containsKey( type.getName() ) ) {
                NONPRIMITIVETYPES.add( type.getName() );
              }
            }
            catch (IllegalArgumentException e) {
              throw new ExporterException( "Could not create list of basic hibernate types", e );
            }

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    StringBuffer buf = new StringBuffer();
    Iterator iter = parameterTypes.entrySet().iterator();
    while ( iter.hasNext() ) {
      Map.Entry entry = (Map.Entry) iter.next();
      String typename = null;
      Type type = null;
      if(entry.getValue() instanceof String) {
        try {
          type = TypeFactory.heuristicType((String) entry.getValue());
        } catch(Throwable t) {
          type = null;
          typename = (String) entry.getValue();
        }
      }
      
      if(type!=null) {
        Class typeClass;
        if ( type instanceof PrimitiveType ) {
          typeClass = ( (PrimitiveType) type ).getPrimitiveClass();
        }
        else {
          typeClass = type.getReturnedClass();
        }
        typename = typeClass.getName();
      }
      buf.append( ctx.importType( typename ))
          .append( " " )

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    // short-circuit(s)
    if ( currentElements.size()==0 ) return oldElements; // no new elements, the old list contains only Orphans
    if ( oldElements.size()==0) return oldElements; // no old elements, so no Orphans neither
    
    Type idType = session.getFactory().getEntityPersister(entityName).getIdentifierType();


    // create the collection holding the Orphans
    Collection res = new ArrayList();


    // collect EntityIdentifier(s) of the *current* elements - add them into a HashSet for fast access

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