com.appscend.hub

Class KRHub

java.lang.Object

com.appscend.hub.KRHub

Direct Known Subclasses:

APSMediaPlayer

public class KRHub
extends java.lang.Object

A KRHub object can easily become a container of references to other objects or classes, organized in groups. To be able to register themselves with a KRHub, objects must implement the KRAdapter protocol. Within a single group there can not be more objects that declare the same type.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	kKRDefaultAdapterGroup

Constructor Summary

Constructors

Constructor and Description
KRHub()

Method Summary

Modifier and Type	Method and Description
java.lang.Object	adapterForType(java.lang.String type) Returns an object of the specified type, if such an object is currently registered in the default group.
java.lang.Object	adapterForTypeInGroup(java.lang.String type, java.lang.String group) Returns an object of the specified type, if such an object is currently registered in the specified group.
java.util.HashMap<java.lang.String,java.lang.Object>	adaptersForGroup(java.lang.String group) Returns the list of available registered objects for a specified group.
void	registerAdapter(java.lang.Object adapter) Registers a new adapter to the default group.
void	registerAdapterInGroup(java.lang.Object adapter, java.lang.String group) Registers a new adapter to a specific group
void	registerClass(java.lang.Class<?> _class, java.lang.String type) Registers a class to the default group, under a specific type.
void	registerClassInGroup(java.lang.Class<?> _class, java.lang.String group, java.lang.String type) Registers a class to a specific group and a specific type.

Methods inherited from class java.lang.Object

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

Field Detail

kKRDefaultAdapterGroup

public static final java.lang.String kKRDefaultAdapterGroup

See Also:

Constant Field Values

Constructor Detail

KRHub

public KRHub()

Method Detail

adaptersForGroup

public java.util.HashMap<java.lang.String,java.lang.Object> adaptersForGroup(java.lang.String group)

Returns the list of available registered objects for a specified group.

Parameters:

group - The required group.

Returns:

A dictionary containing all objects registered for the required group. The dictionary keys are the types, as specified by the objects.

registerClassInGroup

public void registerClassInGroup(java.lang.Class<?> _class,
                                 java.lang.String group,
                                 java.lang.String type)

Registers a class to a specific group and a specific type. Upon requesting a new object from this group and type, a new object of the registered class will be instantiated and returned.

Parameters:

_class - The class to register.

group - The group to register the call into.

type - The type of the registered class.

registerClass

public void registerClass(java.lang.Class<?> _class,
                          java.lang.String type)

Registers a class to the default group, under a specific type. Upon requesting a new object from this type from the default group, a new object of the registered class will be instantiated and returned.

Parameters:

_class - The class to register

type - The type of the registered class.

registerAdapterInGroup

public void registerAdapterInGroup(java.lang.Object adapter,
                                   java.lang.String group)

Registers a new adapter to a specific group

Parameters:

adapter - The adapter to be registered. The object needs to implement KRAdapter.

group - The group to register the adapter into.

registerAdapter

public void registerAdapter(java.lang.Object adapter)

Registers a new adapter to the default group.

Parameters:

adapter - The adapter to be registered. The object needs to implement KRAdapter.

adapterForTypeInGroup

public java.lang.Object adapterForTypeInGroup(java.lang.String type,
                                              java.lang.String group)

Returns an object of the specified type, if such an object is currently registered in the specified group.

Parameters:

type - The required object type.

group - The required group.

Returns:

An object if any is registered, null otherwise.

adapterForType

public java.lang.Object adapterForType(java.lang.String type)

Returns an object of the specified type, if such an object is currently registered in the default group.

Parameters:

type - The required object type.

Returns:

An object if any is registered, null otherwise.