context.arch.widget
Class WidgetHandles

java.lang.Object
  java.util.AbstractCollection
      java.util.AbstractList
          java.util.Vector
              context.arch.widget.WidgetHandles

All Implemented Interfaces:

java.lang.Cloneable, java.util.Collection, java.util.List, java.util.RandomAccess, java.io.Serializable

public class WidgetHandles

extends java.util.Vector

This class maintains a list of widget handles, allows additions, removals and updates to individual handles.

See Also:

WidgetHandle, Serialized Form

Field Summary

protected java.util.Hashtable

hash

Fields inherited from class java.util.Vector

capacityIncrement, elementCount, elementData

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

WidgetHandles()
Basic empty constructor

Method Summary

void	addWidgetHandle(java.lang.String id, java.lang.String hostname, int port) Adds a widgethandle to the widgethandle list
void	addWidgetHandle(WidgetHandle handle) Adds a widgethandle to the widgethandle list
void	addWidgetHandles(WidgetHandles handles) Adds a set of widgethandles to the widgethandle list
WidgetHandle	getWidgetHandleAt(int index) Returns the WidgetHandle at the given index.
int	numWidgetHandles() Returns the number of widgetHandles in the list

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

Methods inherited from interface java.util.List

iterator, listIterator, listIterator

Field Detail

hash

protected java.util.Hashtable hash

Constructor Detail

WidgetHandles

public WidgetHandles()

Basic empty constructor

Method Detail

addWidgetHandle

public void addWidgetHandle(java.lang.String id,
                            java.lang.String hostname,
                            int port)

Adds a widgethandle to the widgethandle list

Parameters:

id - ID of the widget being subscribed to

hostname - Name of the widget's host computer

port - Port number of the widget

addWidgetHandle

public void addWidgetHandle(WidgetHandle handle)

Adds a widgethandle to the widgethandle list

Parameters:

handle - WidgetHandle to add

addWidgetHandles

public void addWidgetHandles(WidgetHandles handles)

Adds a set of widgethandles to the widgethandle list

Parameters:

handles - WidgetHandles to add to the list

getWidgetHandleAt

public WidgetHandle getWidgetHandleAt(int index)

Returns the WidgetHandle at the given index. Do not assume that a given WidgetHandle's index will stay constant throughout its lifetime. When other WidgetHandles are added and removed, a given widgetHandle's index may change.

Parameters:

index - index value of the WidgetHandle object to retrieve

numWidgetHandles

public int numWidgetHandles()

Returns the number of widgetHandles in the list