Class PBEUniqueAction

Object
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  +--PBEAction
        |
        +--PBEAttributeAction
              |
              +--PBEUniqueAction

public class PBEUniqueAction

extends PBEAttributeAction

Description:

PBEUniqueAction declares an attribute as unique. PBEUniqueAction can be used in attribute events.

Event String Action Name:

unique

Syntax:

unique

Parameters

PBEUniqueAction does not support any parameters.

Examples:

 PBE:attributeEvent(
   "customer",
   "name",
   "on:new,save:required if not error unique");
 

This event declares the attribute "name" of object "customer" as required on "new" and "save" method activations. If "name" is specified ("required if not error"), uniqueness is checked and the attribute's status is set to indicate the error in case the provided value does already exist.

This example can be found in the file "initdemo.pbt" of the "PBE Demo" module (approx. line 251).

Fields inherited from class PBEAction

iParameters, iType, name, procName

Constructor Summary

PBEUniqueAction(varchar name)

Methods inherited from class PBEAction

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

Constructor Detail

PBEUniqueAction

public PBEUniqueAction(varchar name)