org.richfaces.component

## Class AbstractPoll

- java.lang.Object
- - javax.faces.component.UIComponent
  - - javax.faces.component.UIComponentBase
    - - javax.faces.component.UICommand
      - - org.richfaces.component.AbstractActionComponent
        - - org.richfaces.component.AbstractPoll

- All Implemented Interfaces:
    EventListener, javax.faces.component.ActionSource, javax.faces.component.ActionSource2, javax.faces.component.PartialStateHolder, javax.faces.component.StateHolder, javax.faces.component.TransientStateHolder, javax.faces.event.ComponentSystemEventListener, javax.faces.event.FacesListener, javax.faces.event.SystemEventListenerHolder
  Direct Known Subclasses:
    UIPoll

      public abstract class AbstractPoll
      extends AbstractActionComponent

  The <a4j:poll> component allows periodical sending of Ajax requests to the server. It is used for repeatedly updating a page at specific time intervals.

  Author:
    shura

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `BEFOREDOMUPDATE`
    `static String` | `BEGIN`
    `static String` | `COMPLETE`
    `static String` | `COMPONENT_FAMILY`
    `static String` | `COMPONENT_TYPE`
    `static String` | `ON_BEFOREDOMUPDATE`
    `static String` | `ON_BEGIN`
    `static String` | `ON_COMPLETE`
    `static String` | `ON_TIMER`
    `static String` | `TIMER`

    - ### Fields inherited from class javax.faces.component.UIComponent

      `ATTRS_WITH_DECLARED_DEFAULT_VALUES, BEANINFO_KEY, bindings, COMPOSITE_COMPONENT_TYPE_KEY, COMPOSITE_FACET_NAME, CURRENT_COMPONENT, CURRENT_COMPOSITE_COMPONENT, FACETS_KEY, HONOR_CURRENT_COMPONENT_ATTRIBUTES_PARAM_NAME, VIEW_LOCATION_KEY`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AbstractPoll()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract int` | `getInterval()` Specifies the time in milliseconds between requests.
    `abstract String` | `getOntimer()` The client-side script method to be called after the timer counts down, but before the Ajax request is initiated
    `abstract boolean` | `isEnabled()` Enables/disables polling to the server.

    - ### Methods inherited from class org.richfaces.component.AbstractActionComponent

      `isBypassUpdates, queueEvent, setBypassUpdates`

    - ### Methods inherited from class javax.faces.component.UICommand

      `addActionListener, broadcast, getAction, getActionExpression, getActionListener, getActionListeners, getFamily, getValue, isImmediate, removeActionListener, setAction, setActionExpression, setActionListener, setImmediate, setValue`

    - ### Methods inherited from class javax.faces.component.UIComponentBase

      `addClientBehavior, addFacesListener, clearInitialState, decode, encodeBegin, encodeChildren, encodeEnd, findComponent, getAttributes, getChildCount, getChildren, getClientBehaviors, getClientId, getDefaultEventName, getEventNames, getFacesContext, getFacesListeners, getFacet, getFacetCount, getFacets, getFacetsAndChildren, getId, getListenersForEventClass, getParent, getRenderer, getRendererType, getRendersChildren, getValueBinding, invokeOnComponent, isRendered, isTransient, markInitialState, processDecodes, processRestoreState, processSaveState, processUpdates, processValidators, removeFacesListener, restoreAttachedState, restoreState, saveAttachedState, saveState, setId, setParent, setRendered, setRendererType, setTransient, setValueBinding, subscribeToEvent, unsubscribeFromEvent`

    - ### Methods inherited from class javax.faces.component.UIComponent

      `encodeAll, getClientId, getCompositeComponentParent, getContainerClientId, getCurrentComponent, getCurrentCompositeComponent, getNamingContainer, getResourceBundleMap, getStateHelper, getStateHelper, getTransientStateHelper, getTransientStateHelper, getValueExpression, initialStateMarked, isCompositeComponent, isInView, isVisitable, popComponentFromEL, processEvent, pushComponentToEL, restoreTransientState, saveTransientState, setInView, setValueExpression, visitTree`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### COMPONENT_TYPE

          public static final String COMPONENT_TYPE

      See Also:
        Constant Field Values

    - #### COMPONENT_FAMILY

          public static final String COMPONENT_FAMILY

      See Also:
        Constant Field Values

    - #### TIMER

          public static final String TIMER

      See Also:
        Constant Field Values

    - #### ON_TIMER

          public static final String ON_TIMER

      See Also:
        Constant Field Values

    - #### BEGIN

          public static final String BEGIN

      See Also:
        Constant Field Values

    - #### ON_BEGIN

          public static final String ON_BEGIN

      See Also:
        Constant Field Values

    - #### COMPLETE

          public static final String COMPLETE

      See Also:
        Constant Field Values

    - #### ON_COMPLETE

          public static final String ON_COMPLETE

      See Also:
        Constant Field Values

    - #### BEFOREDOMUPDATE

          public static final String BEFOREDOMUPDATE

      See Also:
        Constant Field Values

    - #### ON_BEFOREDOMUPDATE

          public static final String ON_BEFOREDOMUPDATE

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### AbstractPoll

          public AbstractPoll()

  - ### Method Detail

    - #### getInterval

          public abstract int getInterval()

      Specifies the time in milliseconds between requests. The default for this value is 1000 ms (1 second)

    - #### isEnabled

          public abstract boolean isEnabled()

      Enables/disables polling to the server. Using Expression Language (EL), the enabled attribute can point to a bean property to apply a particular attribute value

    - #### getOntimer

          public abstract String getOntimer()

      The client-side script method to be called after the timer counts down, but before the Ajax request is initiated

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