Hi Ted, you are right, there is a WO way of doing this. Using KVC this should be doing what you want:
Integer result = 1500 - (Integer)
timeListDG.displayedObjects.valueForKeyPath("@sum.amountOfTime");
jw
Am 10.06.2010 um 17:16 schrieb Theodore Petrosky:
> I need some help doing 'simple' math with my objects...
>
> relationships:
>
> client =>> contract and =>> project
> project <=>> contract
> project <=>> job
> job <=>> etime
>
> a contract has assignedHours
> eTime has usedHours
>
> I am using a displayGroup to show my eTime entries...
>
> <webobject name = "TimeListRep">
> <webobject name = "RowColorGenericContainer">
> <td><wo:WOString value = "$theTimeListItem.user.fullNameString"
> /></td>
> <td><wo:WOString value = "$theTimeListItem.amountOfTime"
> numberformat = "##.##" /></td>
> <td><wo:WOString value =
> "$theTimeListItem.workTask.workTaskTitle" /></td>
> <td><wo:WOString value = "$theTimeListItem.timeDate" dateformat
> = "%m.%d.%Y" /></td>
> </webobject>
> </webobject>
>
> TimeListRep : WORepetition {
> list = timeListDG.displayedObjects;
> item = theTimeListItem;
> index = session.index;
> }
>
> I need to sum the second column value = "$theTimeListItem.amountOfTime"
>
> and subtract it from the assignedHours in the contract....
>
> I can pull the contract from: theContract =
> timeList.objectAtIndex(0).job().project().contract();
> and then get theContract.assignedHours
>
> (timeList is the array that feeds the displayGroup)
>
> In SQL I would:
>
> select 1500 - sum(c_amount_of_time) from t_e_time where c_job_id IN (SELECT
> id FROM t_job WHERE c_project_id = 16);
>
> where 1500 represents the assignedHours from the contract entity..
>
> I know there is a webobjects way... I just can't find it without help.
>
> I could:
>
> int theAssignedHours =
> timeList.objectAtIndex(0).job().project().contract().assignedHours();
>
> then the raw SQL to get the sum of eTime used for this contract and
> subtract....
>
> I hope I am clear.......
>
> Ted
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