BBjNamespace::setCallbackForNamespaceChange

Description

In BBj 3.00 and higher, this method sets a callback that will be called if any Named Object within this BBjNamespace is changed.

Syntax

Return Value	Method
void	setCallbackForNamespaceChange(String `varName`, String `callbackName`)
void	setCallbackForNamespaceeChange(String `varName`, CustomObject `customObj`, String `methodName`)
void	setCallbackForNamespaceChange(String `varName`, Object `object`, String `methodName`)

Parameters

Parameter	Description
callbackName	Specifies the name of the callback to be called when the namespace changes.
customObj	Specifies a CustomObject that has a method which is to be called when namespace changes.
methodName	Specifies the method of the Object which is to be called.
object	Specifies a Java Object that has a method which is to be called when the namespace changes.

Return Value

None.

Remarks

All callbacks that a program registered on a BBjNamespace are removed when that program executes START, STOP, END, or BEGIN. All callbacks registered by a BBj process are removed when the BBj process terminates.

Example

namespace! = BBjAPI().getNamespace("test","test",1)

rem 'set a callback that will be called if *any* value in namespace changes
namespace!.setCallbackForNamespaceChange("callback")

rem 'remove the callback
namespace!.removeCallbackForNamespaceChange()
end

callback:
    print "some value in ", namespace!.getName(), " has changed"