The <a4j:queue> component manages the JSF queue of Ajax requests. It provides additional options for a finer control of request processing.
@author Nick Belaevski| Info | Value |
|---|---|
| Component Type | org.richfaces.Queue |
| Handler Class | None |
| Renderer Type | org.richfaces.QueueRenderer |
| Description | The <a4j:queue> component manages the JSF queue of Ajax requests. It provides additional options for a finer control of request processing. @author Nick Belaevski |
| Name | Required | Type | Description |
|---|---|---|---|
binding |
false
| javax.el.ValueExpression
(must evaluate to javax.faces.component.UIComponent)
| The value binding expression used to wire up this component to a component property of a JavaBean class |
id |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The component identifier for this component. This value must be unique within the closest parent component that is a naming container. |
ignoreDupResponses |
false
| javax.el.ValueExpression
(must evaluate to boolean)
| Attribute allows you to ignore an Ajax response produced by a request if the newest 'similar' request is in the queue already. ignoreDupResponses="true" does not cancel the request while it is processed on the server, but just allows avoiding unnecessary updates on the client side if the response isn't actual now |
name |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| Specifies the name for the queue, allowing it to be referenced via the name attribute of the attachQueue component |
onbeforedomupdate |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The client-side script method to be called before DOM is updated |
oncomplete |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The client-side script method to be called after the request is completed |
onerror |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The client-side script method to be called when an error has occurred during Ajax communications |
onrequestdequeue |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The client-side script method to be called after the request is removed from the queue |
onrequestqueue |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The client-side script method to be called when the request is added to the queue |
onsubmit |
false
| javax.el.ValueExpression
(must evaluate to java.lang.String)
| The client-side script method to be called before an ajax request is submitted |
rendered |
false
| javax.el.ValueExpression
(must evaluate to boolean)
| Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. The default value for this property is true. |
requestDelay |
false
| javax.el.ValueExpression
(must evaluate to int)
| Attribute defines the time (in ms) the request will be waiting in the queue before it is ready to be sent. |
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