Description
Execute a 4GL query.
Parameters
| icText | input | character | Input text with 4GL code |
| ocResult | output | character | Output of the 4GL code |
| oiReturnStatus | output | integer | Return status of the method. |
Internal usage
unused
program code (program3/bapplicationproperty.p)
output stream sapplout to value(session:temp-dir + "apprun":U + string(viFcCurrentInstanceId) + ".p":U).
put stream sapplout unformatted icText.
output stream sapplout close.
compile value(session:temp-dir + "apprun":U + string(viFcCurrentInstanceId) + ".p":U) no-error.
if compiler:error or compiler:warning
then do :
<M-1 run SetMessage
(input trim(#T-2'Code does not compile properly':120(123)t-2#) + chr(10) + '$1':U (icMessage),
input error-status:get-message(1) (icArguments),
input '' (icFieldName),
input '' (icFieldValue),
input 'E':U (icType),
input 2 (iiSeverity),
input '' (icRowid),
input 'BLF-1':U (icFcMsgNumber),
input '' (icFcExplanation),
input '' (icFcIdentification),
input '' (icFcContext),
output viFcReturnSuper (oiReturnStatus)) in BApplicationProperty>
assign oiReturnStatus = -1.
return.
end.
output to value(session:temp-dir + "result":U + string(viFcCurrentInstanceId) + ".txt":U).
run value(session:temp-dir + "apprun":U + string(viFcCurrentInstanceId) + ".p":U) no-error.
output close.
input stream sapplinp from value(session:temp-dir + "result":U + string(viFcCurrentInstanceId) + ".txt":U).
repeat on error undo, leave: /* cannot use throw */
import stream sapplinp unformatted vcLine .
assign ocResult = ocResult + vcLine + chr(10).
end.
input stream sapplinp close.
finally:
os-delete value(session:temp-dir + "result":U + string(viFcCurrentInstanceId) + ".txt":U) no-error.
os-delete value(session:temp-dir + "apprun":U + string(viFcCurrentInstanceId) + ".p":U) no-error.
end.
Sample code: how to call this method through RPCRequestService (QXtend Inbound)
define temp-table ttContext no-undo
field propertyQualifier as character
field propertyName as character
field propertyValue as character
index entityContext is primary unique
propertyQualifier
propertyName
index propertyQualifier
propertyQualifier.
define dataset dsContext for ttContext.
define variable vhContextDS as handle no-undo.
define variable vhExceptionDS as handle no-undo.
define variable vhServer as handle no-undo.
define variable vhInputDS as handle no-undo.
define variable vhInputOutputDS as handle no-undo.
define variable vhOutputDS as handle no-undo.
define variable vhParameter as handle no-undo.
/* Create context */
create ttContext.
assign ttContext.propertyName = "programName"
ttContext.propertyValue = "BApplicationProperty".
create ttContext.
assign ttContext.propertyName = "methodName"
ttContext.propertyValue = "APIExecute4GL".
create ttContext.
assign ttContext.propertyName = "applicationId"
ttContext.propertyValue = "fin".
create ttContext.
assign ttContext.propertyName = "entity"
ttContext.propertyValue = "1000".
create ttContext.
assign ttContext.propertyName = "userName"
ttContext.propertyValue = "mfg".
create ttContext.
assign ttContext.propertyName = "password"
ttContext.propertyValue = "".
/* Create input dataset */
create dataset vhInputDS.
vhInputDS:read-xmlschema("file", "xml/bapplicationproperty.apiexecute4gl.i.xsd", ?).
vhParameter = vhInputDS:get-buffer-handle("tParameterI").
vhParameter:buffer-create().
assign vhParameter::icText = <parameter value>.
/* Connect the AppServer */
create server vhServer.
vhServer:connect("-URL <appserver-url>").
if not vhServer:connected()
then do:
message "Could not connect AppServer" view-as alert-box error title "Error".
return.
end.
/* Run */
assign vhContextDS = dataset dsContext:handle.
run program/rpcrequestservice.p on vhServer
(input-output dataset-handle vhContextDS by-reference,
output dataset-handle vhExceptionDS,
input dataset-handle vhInputDS by-reference,
input-output dataset-handle vhInputOutputDS by-reference,
output dataset-handle vhOutputDS).
/* Handle output however you want, in this example, we dump it to xml */
if valid-handle(vhExceptionDS)
then vhExceptionDS:write-xml("file", "Exceptions.xml", true).
if valid-handle(vhOutputDS)
then vhOutputDS:write-xml("file", "Output.xml", true).
/* Cleanup */
vhServer:disconnect().
assign vhServer = ?.
if valid-handle(vhInputDS)
then delete object vhInputDS.
if valid-handle(vhOutputDS)
then delete object vhOutputDS.
if valid-handle(vhExceptionDS)
then delete object vhExceptionDS.