jade.util
Class ObjectManager

java.lang.Object
  jade.util.ObjectManager

public class ObjectManager
extends java.lang.Object

Utility class to manage instances of classes with attached properties i.e. classes specified in the form
foo.Bar[key1=value1;key2=value2...] This class allows registering "Loaders" for given types of objects (e.g. agents) and successively load such objects using them

Nested Class Summary

static interface

ObjectManager.Loader The interface to be implemented by classes that can be registered to load objects of a given type

Field Summary

static java.lang.String	AGENT_TYPE The constant representing the "agent" type
static java.lang.String	CLASS_NAME

Constructor Summary

ObjectManager()

Method Summary

static void	addLoader(java.lang.String type, ObjectManager.Loader loader) Register a Loader for a given type of object.
static java.lang.Object	load(java.lang.String extendedClassName, java.lang.String type) Try to load an object of a given type by means of the loaders (if any) associated to that type.
static boolean	removeLoader(java.lang.String type, ObjectManager.Loader loader)

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_NAME

public static final java.lang.String CLASS_NAME

See Also:

Constant Field Values

AGENT_TYPE

public static final java.lang.String AGENT_TYPE

The constant representing the "agent" type

See Also:

Constant Field Values

Constructor Detail

ObjectManager

public ObjectManager()

Method Detail

addLoader

public static void addLoader(java.lang.String type,
                             ObjectManager.Loader loader)

Register a Loader for a given type of object. Note that more than one Loader can be associated to a given type of object.

Parameters:

type - The type of object the registered Loader is associated to

loader - The Loader instance.

removeLoader

public static boolean removeLoader(java.lang.String type,
                                   ObjectManager.Loader loader)

load

public static java.lang.Object load(java.lang.String extendedClassName,
                                    java.lang.String type)
                             throws java.lang.ClassNotFoundException,
                                    java.lang.IllegalAccessException,
                                    java.lang.InstantiationException

Try to load an object of a given type by means of the loaders (if any) associated to that type.

Parameters:

extendedClassName - The class of the object to load in the form foo.Bar[key1=value1;key2=value2...]

type - The type of object to load

Returns:

The loaded object or null if no loader is suitable to load the object.

Throws:

java.lang.ClassNotFoundException

java.lang.IllegalAccessException

java.lang.InstantiationException