Examples of org.hibernate.id.IdentifierGenerator

org.hibernate.id.IdentifierGenerator
The general contract between a class that generates unique identifiers and the Session. It is not intended that this interface ever be exposed to the application. It is intended that users implement this interface to provide custom identifier generation strategies.

Implementors should provide a public default constructor.

Implementations that accept configuration parameters should also implement Configurable.
Implementors must be thread-safe @author Gavin King @see PersistentIdentifierGenerator @see Configurable

    if ( !insertStatement.getIntoClause().isExplicitIdInsertion() ) {
      // We need to generate ids as part of this bulk insert.
      //
      // Note that this is only supported for sequence-style generators and
      // post-insert-style generators; basically, only in-db generators
      IdentifierGenerator generator = persister.getIdentifierGenerator();
      if ( !supportsIdGenWithBulkInsertion( generator ) ) {
        throw new QueryException( "can only generate ids as part of bulk insert with either sequence or post-insert style generators" );
      }


      AST idSelectExprNode = null;


      if ( SequenceGenerator.class.isAssignableFrom( generator.getClass() ) ) {
        String seqName = ( String ) ( ( SequenceGenerator ) generator ).generatorKey();
        String nextval = sessionFactoryHelper.getFactory().getDialect().getSelectSequenceNextValString( seqName );
        idSelectExprNode = getASTFactory().create( HqlSqlTokenTypes.SQL_TOKEN, nextval );
      }
      else {

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    identifierGenerators = new HashMap();
    Iterator classes = cfg.getClassMappings();
    while ( classes.hasNext() ) {
      PersistentClass model = (PersistentClass) classes.next();
      if ( !model.isInherited() ) {
        IdentifierGenerator generator = model.getIdentifier().createIdentifierGenerator(
            settings.getDialect(),
                settings.getDefaultCatalogName(),
                settings.getDefaultSchemaName(),
                (RootClass) model
        );

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    while ( iter.hasNext() ) {
      PersistentClass pc = (PersistentClass) iter.next();


      if ( !pc.isInherited() ) {


        IdentifierGenerator ig = pc.getIdentifier()
            .createIdentifierGenerator(
                dialect,
                defaultCatalog,
                defaultSchema,
                (RootClass) pc
              );


        if ( ig instanceof PersistentIdentifierGenerator ) {
          generators.put( ( (PersistentIdentifierGenerator) ig ).generatorKey(), ig );
        }


      }
    }


    iter = collections.values().iterator();
    while ( iter.hasNext() ) {
      Collection collection = (Collection) iter.next();


      if ( collection.isIdentified() ) {


        IdentifierGenerator ig = ( (IdentifierCollection) collection ).getIdentifier()
            .createIdentifierGenerator(
                dialect,
                defaultCatalog,
                defaultSchema,
                null

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    identifierGenerators = new HashMap();
    Iterator classes = cfg.getClassMappings();
    while ( classes.hasNext() ) {
      PersistentClass model = (PersistentClass) classes.next();
      if ( !model.isInherited() ) {
        IdentifierGenerator generator = model.getIdentifier().createIdentifierGenerator(
            settings.getDialect(),
                settings.getDefaultCatalogName(),
                settings.getDefaultSchemaName(),
                (RootClass) model
          );

View Full Code Here

    while ( iter.hasNext() ) {
      PersistentClass pc = (PersistentClass) iter.next();


      if ( !pc.isInherited() ) {


        IdentifierGenerator ig = pc.getIdentifier()
            .createIdentifierGenerator(
                dialect,
                defaultCatalog,
                defaultSchema,
                (RootClass) pc
              );


        if ( ig instanceof PersistentIdentifierGenerator ) {
          generators.put( ( (PersistentIdentifierGenerator) ig ).generatorKey(), ig );
        }


      }
    }


    iter = collections.values().iterator();
    while ( iter.hasNext() ) {
      Collection collection = (Collection) iter.next();


      if ( collection.isIdentified() ) {


        IdentifierGenerator ig = ( (IdentifierCollection) collection ).getIdentifier()
            .createIdentifierGenerator(
                dialect,
                defaultCatalog,
                defaultSchema,
                null

View Full Code Here

    if ( !insertStatement.getIntoClause().isExplicitIdInsertion() ) {
      // We need to generate ids as part of this bulk insert.
      //
      // Note that this is only supported for sequence-style generators and
      // post-insert-style generators; basically, only in-db generators
      IdentifierGenerator generator = persister.getIdentifierGenerator();
      if ( !supportsIdGenWithBulkInsertion( generator ) ) {
        throw new QueryException( "can only generate ids as part of bulk insert with either sequence or post-insert style generators" );
      }


      AST idSelectExprNode = null;


      if ( SequenceGenerator.class.isAssignableFrom( generator.getClass() ) ) {
        String seqName = ( String ) ( ( SequenceGenerator ) generator ).generatorKey();
        String nextval = sessionFactoryHelper.getFactory().getDialect().getSelectSequenceNextValString( seqName );
        idSelectExprNode = getASTFactory().create( HqlSqlTokenTypes.SQL_TOKEN, nextval );
      }
      else {

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    String defaultCatalog = properties.getProperty( Environment.DEFAULT_CATALOG );
    String defaultSchema = properties.getProperty( Environment.DEFAULT_SCHEMA );


    for ( PersistentClass pc : classes.values() ) {
      if ( !pc.isInherited() ) {
        IdentifierGenerator ig = pc.getIdentifier().createIdentifierGenerator(
            getIdentifierGeneratorFactory(),
            dialect,
            defaultCatalog,
            defaultSchema,
            (RootClass) pc
        );


        if ( ig instanceof PersistentIdentifierGenerator ) {
          generators.put( ( (PersistentIdentifierGenerator) ig ).generatorKey(), ig );
        }
        else if ( ig instanceof IdentifierGeneratorAggregator ) {
          ( (IdentifierGeneratorAggregator) ig ).registerPersistentGenerators( generators );
        }
      }
    }


    for ( Collection collection : collections.values() ) {
      if ( collection.isIdentified() ) {
        IdentifierGenerator ig = ( ( IdentifierCollection ) collection ).getIdentifier().createIdentifierGenerator(
            getIdentifierGeneratorFactory(),
            dialect,
            defaultCatalog,
            defaultSchema,
            null

View Full Code Here

    if ( !insertStatement.getIntoClause().isExplicitIdInsertion() ) {
      // We need to generate ids as part of this bulk insert.
      //
      // Note that this is only supported for sequence-style generators and
      // post-insert-style generators; basically, only in-db generators
      IdentifierGenerator generator = persister.getIdentifierGenerator();
      if ( !supportsIdGenWithBulkInsertion( generator ) ) {
        throw new QueryException( "can only generate ids as part of bulk insert with either sequence or post-insert style generators" );
      }


      AST idSelectExprNode = null;


      if ( SequenceGenerator.class.isAssignableFrom( generator.getClass() ) ) {
        String seqName = ( String ) ( ( SequenceGenerator ) generator ).generatorKey();
        String nextval = sessionFactoryHelper.getFactory().getDialect().getSelectSequenceNextValString( seqName );
        idSelectExprNode = getASTFactory().create( HqlSqlTokenTypes.SQL_TOKEN, nextval );
      }
      else {

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          // skip any 'assigned' generators, they would have been handled by
          // the StandardGenerationContextLocator
          continue;
        }


        final IdentifierGenerator valueGenerator = value.createIdentifierGenerator(
            identifierGeneratorFactory,
            dialect,
            defaultCatalog,
            defaultSchema,
            rootClass

View Full Code Here

    identifierGenerators = new HashMap();
    Iterator classes = cfg.getClassMappings();
    while ( classes.hasNext() ) {
      PersistentClass model = (PersistentClass) classes.next();
      if ( !model.isInherited() ) {
        IdentifierGenerator generator = model.getIdentifier().createIdentifierGenerator(
            cfg.getIdentifierGeneratorFactory(),
            getDialect(),
                settings.getDefaultCatalogName(),
                settings.getDefaultSchemaName(),
                (RootClass) model

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