Examples of org.hibernate.ogm.id.impl.OgmTableGenerator

org.hibernate.ogm.id.impl.OgmTableGenerator

A table-based id generator. Inspired by ORM's {@link TableGenerator}. Refer to its JavaDoc for some design considerations.

Configuration parameters
NAME	DEFAULT	DESCRIPTION
{@link #TABLE_PARAM}	{@link #DEF_TABLE}	The name of the table to use to store/retrieve values
{@link #VALUE_COLUMN_PARAM}	{@link #DEF_VALUE_COLUMN}	The name of column which holds the sequence value for the given segment
{@link #SEGMENT_COLUMN_PARAM}	{@link #DEF_SEGMENT_COLUMN}	The name of the column which holds the segment key
{@link #SEGMENT_VALUE_PARAM}	{@link #DEF_SEGMENT_VALUE}	The value indicating which segment is used by this generator; refers to values in the {@link #SEGMENT_COLUMN_PARAM} column
{@link #INITIAL_PARAM}	{@link #DEFAULT_INITIAL_VALUE}	The initial value to be stored for the given segment
{@link #INCREMENT_PARAM}	{@link #DEFAULT_INCREMENT_SIZE}	The increment size for the underlying segment; see the discussion on {@link org.hibernate.id.enhanced.Optimizer}for more details.
{@link #OPT_PARAM}	depends on defined increment size	Allows explicit definition of which optimization strategy to use

@author Steve Ebersole @author Emmanuel Bernard <emmanuel@hibernate.org> @author Gunnar Morling

    Properties newParams = new Properties();
    newParams.setProperty( OgmTableGenerator.SEGMENT_VALUE_PARAM, sequenceName );
    newParams.setProperty( OgmTableGenerator.TABLE_PARAM, HIBERNATE_SEQUENCES );
    newParams.setProperty( OgmTableGenerator.INITIAL_PARAM, String.valueOf( initialValue ) );
    newParams.put( PersistentIdentifierGenerator.IDENTIFIER_NORMALIZER, new DefaultObjectNameNormalizer() );
    OgmTableGenerator tableGenerator = new OgmTableGenerator();
    tableGenerator.configure( LongType.INSTANCE, newParams, new OgmDialect( dialect ) );
    return tableGenerator;
  }

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    if ( identifierGenerator instanceof OgmSequenceGenerator ) {
      OgmSequenceGenerator sequenceGenerator = (OgmSequenceGenerator) identifierGenerator;
      addUniqueConstraint( sequenceGenerator.generatorKey() );
    }
    else if ( identifierGenerator instanceof OgmTableGenerator ) {
      OgmTableGenerator sequenceGenerator = (OgmTableGenerator) identifierGenerator;
      addUniqueConstraint( sequenceGenerator.generatorKey() );
    }
  }

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    if ( identifierGenerator instanceof OgmSequenceGenerator ) {
      OgmSequenceGenerator sequenceGenerator = (OgmSequenceGenerator) identifierGenerator;
      addSequence( sequenceGenerator.generatorKey(), sequenceGenerator.getSegmentValue(), sequenceGenerator.getInitialValue() );
    }
    else if ( identifierGenerator instanceof OgmTableGenerator ) {
      OgmTableGenerator sequenceGenerator = (OgmTableGenerator) identifierGenerator;
      addSequence( sequenceGenerator.generatorKey(), sequenceGenerator.getSegmentValue(), sequenceGenerator.getInitialValue() );
    }
  }

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    if ( identifierGenerator instanceof OgmSequenceGenerator ) {
      OgmSequenceGenerator sequenceGenerator = (OgmSequenceGenerator) identifierGenerator;
      addSequence( sequenceGenerator.getGeneratorKeyMetadata(), sequenceGenerator.getInitialValue() );
    }
    else if ( identifierGenerator instanceof OgmTableGenerator ) {
      OgmTableGenerator sequenceGenerator = (OgmTableGenerator) identifierGenerator;
      addTableSequence( sequenceGenerator.getGeneratorKeyMetadata(), sequenceGenerator.getSegmentValue(), sequenceGenerator.getInitialValue() );
    }
  }

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org.hibernate.ogm.datastore.neo4j.test.Neo4jNextValueGenerationTest

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