Field Detail

• ALGORITHM_NAME

  public static final java.lang.String ALGORITHM_NAME

  Name of key generator algorithm.

  See Also:

  Constant Field Values

Constructor Detail

• HighLowKeyGenerator

  public HighLowKeyGenerator​(KeyGeneratorDef definition)
                      throws GeneratorException

  Constructor for HIGH-LOW key generator specified by given defintion.

  Parameters:

  definition - Key generator definition.

  Throws:

  GeneratorException - If grab size parameter can't be parsed as integer.

Method Detail

• getTableName

  public java.lang.String getTableName()

  Get name of the special sequence table.

  Returns:

  Name of the special sequence table.

• getKeyColumn

  public java.lang.String getKeyColumn()

  Get name of the column which contains table names.

  Returns:

  Name of the column which contains table names.

• getValueColumn

  public java.lang.String getValueColumn()

  Get name of the column which is used to reserve primary key values.

  Returns:

  Name of the column which is used to reserve primary key values.

• getGrabSize

  public int getGrabSize()

  Get number of new keys the key generator should grab from the sequence table at a time.

  Returns:

  Number of new keys the key generator should grab from the sequence table at a time.

• isSameConnection

  public boolean isSameConnection()

  Shell the same Connection be used for writing to the sequence table?

  Returns:

  If true it uses the same connection t write to the sequence table.

• isGlobal

  public boolean isGlobal()

  Shell globally unique keys be generated?

  Returns:

  If true globally unique keys are generated.

• toCreateDDL

  public void toCreateDDL​(DDLWriter writer)

  Build create script for the schema object.

  Parameters:

  writer - DDLWriter to write schema objects to.

• toDropDDL

  public void toDropDDL​(DDLWriter writer)

  Build drop script for the schema object.

  Parameters:

  writer - DDLWriter to write schema objects to.