org.datanucleus.store.valuegenerator
Class ValueGenerationManager

java.lang.Object
  org.datanucleus.store.valuegenerator.ValueGenerationManager

public class ValueGenerationManager
extends java.lang.Object

Manager for the creation of ValueGenerators. Allows creation of generators and provides lookup by symbolic name.

Field Summary

protected java.util.Map<java.lang.String,ValueGenerator>	generatorsByName Map of ValueGenerator keyed by the symbolic name.
protected static Localiser	LOCALISER Localisation of messages

Constructor Summary

ValueGenerationManager()
Constructor.

Method Summary

void	clear() Method to clear out the generators managed by this manager.
ValueGenerator	createValueGenerator(java.lang.String name, java.lang.Class generatorClass, java.util.Properties props, StoreManager storeMgr, ValueGenerationConnectionProvider connectionProvider) Method to create a ValueGenerator when the generator is datastore based.
ValueGenerator	getValueGenerator(java.lang.String name) Accessor for the ValueGenerator with the given symbolic name.

Methods inherited from class java.lang.Object

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

Field Detail

LOCALISER

protected static final Localiser LOCALISER

Localisation of messages

generatorsByName

protected java.util.Map<java.lang.String,ValueGenerator> generatorsByName

Map of ValueGenerator keyed by the symbolic name.

Constructor Detail

ValueGenerationManager

public ValueGenerationManager()

Constructor.

Method Detail

clear

public void clear()

Method to clear out the generators managed by this manager.

getValueGenerator

public ValueGenerator getValueGenerator(java.lang.String name)

Accessor for the ValueGenerator with the given symbolic name.

Parameters:

name - Name of the ValueGenerator when created

Returns:

The ValueGenerator with this name

createValueGenerator

public ValueGenerator createValueGenerator(java.lang.String name,
                                           java.lang.Class generatorClass,
                                           java.util.Properties props,
                                           StoreManager storeMgr,
                                           ValueGenerationConnectionProvider connectionProvider)

Method to create a ValueGenerator when the generator is datastore based.

Parameters:

name - Symbolic name of the generator

generatorClass - Class for the generator type

props - Properties to control the generator

storeMgr - Manager for the store

connectionProvider - Provider for connections

Returns:

The ValueGenerator