of_Retrieve

pfcapsrv.pbl   >   pfc_n_cst_lvsrv_datasource   >   of_Retrieve

Name	Datatype
ll_cnt	long
ll_NewRows	long
lw_parentwindow	window

public function long of_Retrieve (any aa_args[20], ref n_ds ads_data);//////////////////////////////////////////////////////////////////////////////
//	Public Function:	of_Retrieve
//	Arguments:		aa_Args[20]	An array of type Any which contains the retrieval arguments to	the DataStore.
//	Returns:			Long
//						Returns the number of items retrieved if successful
//						-1 if an error occurred
//	Description:	Retrieve the data for ListView with items from the data source.
//////////////////////////////////////////////////////////////////////////////
//	Rev. History:	Version
//						6.0   Initial version
//						7.0   Changed the datatypes of local "row" variables from integer to long
//////////////////////////////////////////////////////////////////////////////
//	Copyright © 1996-1999 Sybase, Inc. and its subsidiaries.  All rights reserved.  Any distribution of the 
// PowerBuilder Foundation Classes (PFC) source code by other than Sybase, Inc. and its subsidiaries is prohibited.
//////////////////////////////////////////////////////////////////////////////
long	ll_NewRows, ll_cnt
window	lw_parentwindow

if IsNull(ilv_requestor) or not Isvalid(ilv_requestor) then return -1

// Retrieve data into the DataStore and pass the arguments to the cache
if (inv_Attrib.is_method = inv_Cache.SQL) or (inv_Attrib.is_method = inv_Cache.RETRIEVE) then
	// register the arguments; retrieve the cache and get the reference
	inv_Cache.of_RegisterArgs(CACHE_ID, aa_Args)
	if inv_Cache.of_Refresh(CACHE_ID) < 0 then return -1
end if

// Get a reference to the cache - data was retrieved on registration
if inv_Cache.of_GetRegistered(CACHE_ID, ads_data) <> 1 then return -1

// turn back on the base service as cache does not turn it on
ads_data.of_SetBase(true)

//// datastore needs parent window reference to perform updates
//ilv_requestor.of_Getparentwindow(lw_parentwindow)
//ads_data.of_SetParentWindow(lw_parentwindow)

// Clear the status flags for the new rows - want them to be notmodified!
ll_NewRows = ads_data.RowCount()
for ll_Cnt = 1 to ll_NewRows
	ads_data.SetItemStatus(ll_Cnt, 0, Primary!, DataModified!)
	ads_data.SetItemStatus(ll_Cnt, 0, Primary!, NotModified!)
next

// return the rows in the datasource
return ll_NewRows
end function

Name	Owner
pfc_u_lvs.of_retrieve	pfc_u_lvs

Name	Owner
datastore.rowcount	datastore
datastore.setitemstatus	datastore
systemfunctions.isnull	systemfunctions
systemfunctions.isvalid	systemfunctions
pfc_n_cst_dwcache.of_getregistered	pfc_n_cst_dwcache
pfc_n_cst_dwcache.of_registerargs	pfc_n_cst_dwcache
pfc_n_cst_dwcache.of_refresh	pfc_n_cst_dwcache
pfc_n_ds.of_setbase	pfc_n_ds