Class PBEEmptyCondition

Object
  |
  +--PBEAction
        |
        +--PBECondition
              |
              +--PBEAttributeCondition
                    |
                    +--PBEEmptyCondition

public class PBEEmptyCondition

extends PBEAttributeCondition

Description:

PBEEmptyCondition returns $true when the value of an attribute is $null or an empty string, otherwise it returns $false.

PBEEmptyCondition can be used in attribute events.

Event String Action Name:

empty

Syntax:

empty

Parameters

PBEEmptyCondition does not support any parameters.

Examples:

 PBE:attributeEvent(
   "product",
   "name",
   "before:new,save:if empty set('Default Name!')");
 

This event sets the attribute "name" of object "product" to "Default Name!" before activation of the "new" and "save" methods.

Fields inherited from class PBEAction

iParameters, iType, name, procName

Constructor Summary

PBEEmptyCondition()

Method Summary

varchar

parameters()

Methods inherited from class PBECondition

checkEvent, tracePerform

Methods inherited from class PBEAction

actionArguments, actionCall, actionParameters, attributeReference, callString, getObject, methodReference, nestedInput, objectReference, parameter, perform, performParameterCount, printPerform

Constructor Detail

PBEEmptyCondition

public PBEEmptyCondition()

Method Detail

parameters

public varchar parameters()

Overrides:

parameters in class PBEAction