context.arch.subscriber
Class Callbacks

java.lang.Object
  |
  +--java.util.AbstractCollection
        |
        +--java.util.AbstractList
              |
              +--java.util.Vector
                    |
                    +--context.arch.subscriber.Callbacks

public class Callbacks

extends java.util.Vector

This class is a container for a group of callbacks. Callbacks can be added, removed, and found in the container.

See Also:

Serialized Form

Field Summary

static java.lang.String

CALLBACKS Tag for a widget's callbacks

Fields inherited from class java.util.Vector

capacityIncrement, elementCount, elementData

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Callbacks()
Empty constructor

Callbacks(DataObject data)
Constructor that takes a DataObject as a parameter.

Method Summary

void	addCallback(Callback callback) Adds the given Callback object to the container.
void	addCallback(java.lang.String name, Attributes attributes) Adds the given callback name and attributes to the container.
void	addCallbacks(Callbacks callbacks) Adds the given Callbacks object to the container.
Callback	getCallback(java.lang.String name) This method returns the Callback with the given name from this list of Callbacks.
Callback	getCallbackAt(int index) Returns the Callback object at the given index
boolean	hasCallback(Callback callback) Determines whether the given Callback object is in the container
boolean	hasCallback(java.lang.String name) Determines whether a callback with the given name is in the container
boolean	hasCallback(java.lang.String name, Attributes attributes) Determines whether the given callback name and attributes are in the container.
int	indexOfCallback(Callback callback) Returns the index at which the Callback object occurs
int	indexOfCallback(java.lang.String name, Attributes attributes) Returns the index at which the given callback name and attributes occurs
int	numCallbacks() Returns the number of Callbacks in the container return the number of Callbacks in the container
java.lang.String	toAString() A printable version of this class.
DataObject	toDataObject() Converts to a DataObject.

Methods inherited from class java.util.Vector

add, add, addAll, addAll, addElement, capacity, clear, clone, contains, containsAll, copyInto, elementAt, elements, ensureCapacity, equals, firstElement, get, hashCode, indexOf, indexOf, insertElementAt, isEmpty, lastElement, lastIndexOf, lastIndexOf, remove, remove, removeAll, removeAllElements, removeElement, removeElementAt, removeRange, retainAll, set, setElementAt, setSize, size, subList, toArray, toArray, toString, trimToSize

Methods inherited from class java.util.AbstractList

iterator, listIterator, listIterator

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

CALLBACKS

public static final java.lang.String CALLBACKS

Tag for a widget's callbacks

Constructor Detail

Callbacks

public Callbacks()

Empty constructor

Callbacks

public Callbacks(DataObject data)

Constructor that takes a DataObject as a parameter. The DataObject must contain the tag . It stores the encoded data.

Parameters:

data - DataObject that contains the callback info

Method Detail

toDataObject

public DataObject toDataObject()

Converts to a DataObject.

Returns:

Callbacks object converted to an DataObject

addCallback

public void addCallback(Callback callback)

Adds the given Callback object to the container.

Parameters:

callback - Callback to add

addCallback

public void addCallback(java.lang.String name,
                        Attributes attributes)

Adds the given callback name and attributes to the container.

Parameters:

name - Name of the callback to add

attributes - Attributes of the callback being added

addCallbacks

public void addCallbacks(Callbacks callbacks)

Adds the given Callbacks object to the container.

Parameters:

callbacks - Callbacks to add

getCallbackAt

public Callback getCallbackAt(int index)

Returns the Callback object at the given index

Parameters:

index - Index into the container

Returns:

Callback at the specified index

hasCallback

public boolean hasCallback(Callback callback)

Determines whether the given Callback object is in the container

Parameters:

call - Callback to check

Returns:

whether Callback is in the container

hasCallback

public boolean hasCallback(java.lang.String name,
                           Attributes attributes)

Determines whether the given callback name and attributes are in the container.

Parameters:

name - Name of the callback to check

attributes - Attributes of the callback to check

Returns:

whether the given callback name and attributes are in the container

hasCallback

public boolean hasCallback(java.lang.String name)

Determines whether a callback with the given name is in the container

Parameters:

name - Name of the callback to look for

Returns:

whether a callback with the given name is in the container

indexOfCallback

public int indexOfCallback(Callback callback)

Returns the index at which the Callback object occurs

Parameters:

callback - Callback to look for

Returns:

index of the specified Callback

indexOfCallback

public int indexOfCallback(java.lang.String name,
                           Attributes attributes)

Returns the index at which the given callback name and attributes occurs

Parameters:

name - Name of the callback to look for

attributes - Attributes of the callback to look for

numCallbacks

public int numCallbacks()

Returns the number of Callbacks in the container return the number of Callbacks in the container

getCallback

public Callback getCallback(java.lang.String name)

This method returns the Callback with the given name from this list of Callbacks.

Parameters:

name - of the Callback to return

Returns:

Callback with the given name

toAString

public java.lang.String toAString()

A printable version of this class.

Returns:

String version of this class