org.databene.platform.db
Class SequenceTableGenerator<E extends java.lang.Number>

java.lang.Object
  org.databene.benerator.util.AbstractGenerator<E>
      org.databene.benerator.util.SimpleGenerator<E>
          org.databene.platform.db.SequenceTableGenerator<E>

All Implemented Interfaces:

java.io.Closeable, Generator<E>, org.databene.commons.Resettable, org.databene.commons.ThreadAware

public class SequenceTableGenerator<E extends java.lang.Number>
extends SimpleGenerator<E>

Uses a database table to fetch and increment values like a database sequence.

Created: 09.08.2010 14:44:06

Since:

0.6.4

Author:

Volker Bergmann

Field Summary

protected java.lang.Long

increment

Fields inherited from class org.databene.benerator.util.AbstractGenerator

context, state

Constructor Summary

SequenceTableGenerator()

SequenceTableGenerator(java.lang.String table, java.lang.String column, DBSystem db)

SequenceTableGenerator(java.lang.String table, java.lang.String column, DBSystem db, java.lang.String selector)

Method Summary

E	generate() Returns an instance of the generic type E.
java.lang.Class<E>	getGeneratedType() Declares the type of the objects returned by the generate() method.
void	init(GeneratorContext context)
void	setColumn(java.lang.String column)
void	setDb(DBSystem db)
void	setSelector(java.lang.String selector)
void	setTable(java.lang.String table)
java.lang.String	toString()

Methods inherited from class org.databene.benerator.util.SimpleGenerator

isParallelizable, isThreadSafe

Methods inherited from class org.databene.benerator.util.AbstractGenerator

assertInitialized, assertNotInitialized, close, reset, wasInitialized

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

increment

protected java.lang.Long increment

Constructor Detail

SequenceTableGenerator

public SequenceTableGenerator()

SequenceTableGenerator

public SequenceTableGenerator(java.lang.String table,
                              java.lang.String column,
                              DBSystem db)

SequenceTableGenerator

public SequenceTableGenerator(java.lang.String table,
                              java.lang.String column,
                              DBSystem db,
                              java.lang.String selector)

Method Detail

setTable

public void setTable(java.lang.String table)

setColumn

public void setColumn(java.lang.String column)

setDb

public void setDb(DBSystem db)

setSelector

public void setSelector(java.lang.String selector)

getGeneratedType

public java.lang.Class<E> getGeneratedType()

Description copied from interface: Generator

Declares the type of the objects returned by the generate() method.

init

public void init(GeneratorContext context)
          throws InvalidGeneratorSetupException

Specified by:

init in interface Generator<E extends java.lang.Number>

Overrides:

init in class AbstractGenerator<E extends java.lang.Number>

Throws:

InvalidGeneratorSetupException

generate

public E generate()

Description copied from interface: Generator

Returns an instance of the generic type E.

toString

public java.lang.String toString()

Overrides:

toString in class AbstractGenerator<E extends java.lang.Number>