org.apache.torque.engine.database.model
Class NameFactory

java.lang.Object
  org.apache.torque.engine.database.model.NameFactory

public class NameFactory
extends Object

A name generation factory.

Version:

$Id: NameFactory.java,v 1.1 2007-10-21 07:57:27 abyrne Exp $

Author:

Field Summary

private Hashtable	algorithms The cache of NameGenerator algorithms in use for name generation, keyed by fully qualified class name.
static String	CONSTRAINT_GENERATOR The fully qualified class name of the constraint name generator.
private static NameFactory	instance The single instance of this class.
static String	JAVA_GENERATOR The fully qualified class name of the Java name generator.

Constructor Summary

protected

NameFactory() Creates a new instance with storage for algorithm implementations.

Method Summary

static String	generateName(String algorithmName, List inputs) Given a list of String objects, implements an algorithm which produces a name.
protected NameGenerator	getAlgorithm(String name) Factory method which retrieves an instance of the named generator.

Methods inherited from class java.lang.Object

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

Field Detail

JAVA_GENERATOR

public static final String JAVA_GENERATOR

The fully qualified class name of the Java name generator.

CONSTRAINT_GENERATOR

public static final String CONSTRAINT_GENERATOR

The fully qualified class name of the constraint name generator.

instance

private static NameFactory instance

The single instance of this class.

algorithms

private Hashtable algorithms

The cache of NameGenerator algorithms in use for name generation, keyed by fully qualified class name.

Constructor Detail

NameFactory

protected NameFactory()

Creates a new instance with storage for algorithm implementations.

Method Detail

getAlgorithm

protected NameGenerator getAlgorithm(String name)
                              throws EngineException

Factory method which retrieves an instance of the named generator.

Parameters:

name - The fully qualified class name of the name generation algorithm to retrieve.

Returns:

A name generator

Throws:

EngineException

generateName

public static String generateName(String algorithmName,
                                  List inputs)
                           throws EngineException

Given a list of String objects, implements an algorithm which produces a name.

Parameters:

algorithmName - The fully qualified class name of the NameGenerator implementation to use to generate names.

inputs - Inputs used to generate a name.

Returns:

The generated name.

Throws:

EngineException - an exception