Run a cache expression stored in a variable

Question

Question

Rizmaan Marikar · Sep 22, 2019

Hi All,

I have a class method, this can be any cache expression to execute (usually a class / method and args) and and args stored in a variable, for example;

set aa = "##Class(Utils.Test).Run(1,2,3)"

do aa

I tried using $classmethod(class,method,args..), by extracting the values but sometimes there can be no arguments, or arguments such as ;

("2019-01-01","1,2,3,4")

which causes issues while running the $classmethod, (i am using $P to extract the Class, Method and args).

Is there any simpler way of doing this?

Discussion (4)0

Log in or sign up to continue

Suman Samanta · Sep 22, 2019

did you try xcute . Its used to execute strings .

0 0

score 0 · Answer 1 · 2019-09-22T07:06:20-04:00

Rizmaan Marikar · Sep 22, 2019

thanks a mil, xecute worked

0 0

score 0 · Answer 2 · 2019-09-22T07:46:59-04:00

almost done

do @aa

But be aware that variables you pass to your method are either explicit as in your example

or are variables in global scope. eg. %par1, %par2, ...

score 0 · Answer 3 · 2019-09-23T01:42:17-04:00

Class dc.test Extends %RegisteredObject
{

ClassMethod Run(
  a,
  b)
{
  w $$$FormatText("a=%1, b=%2",$g(a,"<null>"),$g(b,"<null>")),!
}

ClassMethod Test()
{
  s cName="dc.test",
    mName="Run",

    args=2,
    args(1)="2019-01-01",
    args(2)="1,2,3,4"
    
  d $classmethod(cName,mName,args...)
  
  k args
  s args=1,
    args(1)=77
  d $classmethod(cName,mName,args...)

  k args
  s args=2,
    args(2)=33
  d $classmethod(cName,mName,args...)

  k args
  s args=""
  d $classmethod(cName,mName,args...)
}

}

Result:

USER>d ##class(dc.test).Test()
a=2019-01-01, b=1,2,3,4
a=77, b=<null>
a=<null>, b=33
a=<null>, b=<null>