BackingContext Class
- public abstract class BackingContext
extends ControlContext
Context base class for controls
that support a backing file.
The control framework provides instances of subclasses of BackingContext
during actions and in backing files.
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Hierarchy
-
Object
ControlContext
BackingContext
-
All Implemented Interfaces
-
Serializable
-
Direct Known Subclasses
-
DesktopBackingContext
, WindowBackingContext
Methods from com.bea.netuix.servlets.controls.ControlContext |
getContextFromRequest, getContextKey, getControl, getRequestKey, getUniqueId, removeContextFromRequest, setContextInRequest |
Methods from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
getChildrenBackingContexts() Method
public List
getChildrenBackingContexts()
Returns a List
of BackingContexts
belonging to the children of the
control this BackingContext
represents that are BackableControls. Note that
this method returns BackingContexts
belonging to the immediate children
only; in other words it is not a "deep" list of the children.
Returns
List
of BackingContext
getParentBackingContext() Method
public BackingContext
getParentBackingContext()
Returns the BackingContext
of the first ancestor that has one.
Returns
- the BackingContext of the first ancestor that is a BackableControl.
If there are no BackableControls among the ancestors returns null.
getTopParentBackingContext() Method
public BackingContext
getTopParentBackingContext()
Returns the BackingContext
of the upper most BackableControl in the tree.
Returns
- the BackingContext of the upper most ancestor that is a
BackableControl. If there are no BackableControls among the ancestors
returns null.
isBackingPhase() Method
public boolean isBackingPhase()
Returns whether or not this is in the backing phase. This method returns
true during every lifecycle except render.
Returns
- return true if we are in the backing phase of the lifecycle.
isVisible() Method
public boolean isVisible()
Returns the value of the underlying control's visible
attribute.
Returns
- a boolean, the value of the underlying control's
visible
attribute.
setBackingPhase(boolean) Method
protected void setBackingPhase(boolean backingPhase)
Sets whether or not this is in the backing phase.
setVisible(boolean) Method
public void setVisible(boolean visible)