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## Ajax4Jsf
Tag poll

Periodically perform AJAX request to server, to simulate 'poll' data.

Tag Information
Tag Class | org.ajax4jsf.taglib.html.jsp.AjaxPollTag
TagExtraInfo Class | None
Body Content | JSP
Display Name | Ajax Poll

Attributes
Name | Required | Request-time | Type | Description
actionListener | false | false | `java.lang.String` | MethodBinding pointing at method accepting an ActionEvent with return type void
oncomplete | false | false | `java.lang.String` | JavaScript code for call after request completed on client side
rendered | false | false | `java.lang.String` | If "false", this component is not rendered
reRender | false | false | `java.lang.String` | Id['s] (in format of call UIComponent.findComponent()) of components, rendered in case of AjaxRequest caused by this component. Can be single id, comma-separated list of Id's, or EL Expression with array or Collection
focus | false | false | `java.lang.String` | id of element to set focus after request completed on client side
id | false | false | `java.lang.String` | Every component may have a unique id that is automatically created if omitted
bypassUpdates | false | false | `java.lang.String` | If "true", after process validations phase it skips updates of model beans on a force render response. It can be used for validating components input
limitToList | false | false | `java.lang.String` | If "true", updates on client side ONLY elements from this 'reRender' property. If "false" (default) updates all rendered by ajax region components
ajaxSingle | false | false | `java.lang.String` | if "true", submits ONLY one field/link, instead of all form controls
onsubmit | false | false | `java.lang.String` | JavaScript code for call before submission of ajax event
action | false | false | `java.lang.String` | MethodBinding pointing at the application action to be invoked, if this UIComponent is activated by the user, during the Apply Request Values or Invoke Application phase of the request processing lifecycle, depending on the value of the immediate property
timeout | false | false | `java.lang.String` | Timeout (in ms) for request
actionExpression | false | false | `java.lang.String` | The action method binding expression.
status | false | false | `java.lang.String` | ID (in format of call UIComponent.findComponent()) of Request status component
interval | false | false | `java.lang.String` | Interval (in ms) for call poll requests. Default value 1000 (1 sec)
eventsQueue | false | false | `java.lang.String` | Name of requests queue to avoid send next request before complete other from same event. Can be used to reduce number of requests of frequently events (key press, mouse move etc.)
immediate | false | false | `java.lang.String` | True means, that the default ActionListener should be executed immediately (i.e. during Apply Request Values phase of the request processing lifecycle), rather than waiting until the Invoke Application phase
enabled | false | false | `java.lang.String` | Enable/disable polling
data | false | false | `java.lang.String` | Serialized (on default with JSON) data passed on the client by a developer on AJAX request. It's accessible via "data.foo" syntax
onbeforedomupdate | false | false | `java.lang.String` | JavaScript code for call before DOM has been updated on client side
binding | false | false | `java.lang.String` | The attribute takes a value-binding expression for a component property of a backing bean
ignoreDupResponses | false | false | `java.lang.String` | Attribute allows to ignore an Ajax Response produced by a request if the newest 'similar' request is in a queue already. ignoreDupResponses="true" does not cancel the request while it is processed on the server, but just allows to avoid unnecessary updates on the client side if the response isn't actual now

Variables
| No Variables Defined.

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