JavaScript API Reference for Oracle ADF Faces

oracle.adfinternal.view.js.comm
Class AdfXhrPoolManager

org.ecmascript.object.Object
   |
   +--oracle.adf.view.js.base.AdfObject
         |
         +--oracle.adfinternal.view.js.comm.AdfXhrPoolManager

public class AdfXhrPoolManager
extends AdfObject

_connectionTokens

private Object _connectionTokens

_requestQueueManager

private Object _requestQueueManager

AdfXhrPoolManager

public AdfXhrPoolManager(Object requestQueueManager)

Manages the pool of connections to be used to make GET calls outside JSF lifecycle. This class pulls the request items from the AdfRestRequestQueueManager class, by either listening to the request items addition to the queue, or when a connection is reclaimed.

Parameters:

requestQueueManager

_createConfiguredXhr

private static Object _createConfiguredXhr(Object dispatchRequest,
                                           Object httpMethod)

Parameters:

dispatchRequest
httpMethod

Return:

Object

_dispatch

private Object _dispatch(Object dispatchRequest,
                         Object token)

Parameters:

dispatchRequest
token

Return:

Object

_drainRequests

private Object _drainRequests()

For each free connection available, pull the next item of the request queue and dispatch it

Return:

Object

_getXhrProps

private static Object _getXhrProps(Object dispatchRequest)

Parameters:

dispatchRequest

Return:

Object

hasDispatchedPriorityRequests

public Object hasDispatchedPriorityRequests()

Returns true if the pool has a dispatched priority request item

Return:

Object

Init

protected Object Init(Object requestQueueManager)

Initializes the instance. Subclasses of AdfObject must call their superclass' Init

Parameters:

requestQueueManager

Return:

Object

Overrides:

AdfObject.Init()

InitClass

protected static Object InitClass()

Return:

Object

_intializeConnectionTokens

private Object _intializeConnectionTokens()

Creates an array with size based on the number of connections available and initializes the array members with numbers 1 to n. These entries represent the valid connection tokens.

Return:

Object

_mergeRequests

private Object _mergeRequests()

Tracks if the request items at the front of the request queue are similar to the request items that are already in flight, and if found, combine the options to trigger a combined notification without making a REST call.

Return:

Object

_readyStateChangeCallback

private Object _readyStateChangeCallback(Object xhrObject,
                                         Object dispatchRequest,
                                         Object token)

Invokes the callback on AdfRestDataService on completion of the XHR call. Also drops the request from the queue and triggers the next request in the queue to be processed.

Parameters:

xhrObject
dispatchRequest
token

Return:

Object