org.aitools.programd.util
Class ObjectExemplarRegistry<B>

java.lang.Object
  org.aitools.programd.util.ObjectExemplarRegistry<B>

Type Parameters:

B - the base class for objects that will be registered

Direct Known Subclasses:

ShellCommandRegistry

public abstract class ObjectExemplarRegistry<B>
extends Object

Similar to ClassRegistry, but registers object exemplars.

Field Summary

protected Hashtable<String,B>

registry The Hashtable that stores the objects.

Constructor Summary

ObjectExemplarRegistry(String[] classnames, Class<B> objectType, Object... constructorArguments)
Loads the registry with a set of exemplar objects.

Method Summary

B	get(String classname) A wrapper for the internal HashSet's get method.
void	register(String classname, Object... constructorArguments) Registers an individual exemplar object.

Methods inherited from class java.lang.Object

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

Field Detail

registry

protected Hashtable<String,B> registry

The Hashtable that stores the objects.

Constructor Detail

ObjectExemplarRegistry

public ObjectExemplarRegistry(String[] classnames,
                              Class<B> objectType,
                              Object... constructorArguments)

Loads the registry with a set of exemplar objects.

Parameters:

classnames - the classnames for which to register exemplar objects

objectType - the type of B (seems stupid to have to pass this in, but necessary to avoid some compiler errors)

constructorArguments - the arguments for B's constructor

Method Detail

register

public void register(String classname,
                     Object... constructorArguments)

Registers an individual exemplar object.

Parameters:

classname - the name of the object to register

constructorArguments - the arguments to the constructor

get

public B get(String classname)
      throws NotARegisteredObjectException

A wrapper for the internal HashSet's get method.

Parameters:

classname - the classname for which an exemplar object is desired

Returns:

the registered exemplar object corresponding to the classname

Throws:

NotARegisteredObjectException - if the given class is not registered