Unsets an array element identified by its element index. This function is only applicable on aggregates of array type.
Related functions: edmiRemoteUnsetAggrElements, edmiRemoteTestAggrElement.
Header:
#include "sdai.h"
Prototype:
EdmiError edmiRemoteUnsetAggrElement(SdaiServerContext serverContextId,
SdaiAggr aggrId,
SdaiAggrIndex index,
SdaiInvocationId *edmiInvocationId);
Arguments:
serverContextId |
Context identification, from edmiDefineServerContext |
aggrId |
The numeric aggregateID that uniquely identifies the array for which to unset an indexed element. |
index |
The index of the array element to unset. |
edmiInvocationId |
Currently not used. |
Returns:
A completion code of datatype EdmiError is the returned function value. The completion code has the following values:
Completion code = 0 : Operation successfully performed.
Completion code != 0: Error in operation. Completion code is an _EDMinterface_ error code. Use edmiGetErrorText to get the error text corresponding to the error code.
Example:
/*
SCHEMA DentalStatus;
ENTITY Tooth;
Fillings : INTEGER;
END_ENTITY;
ENTITY Incisor SUBTYPE OF (Tooth); END_ENTITY;
ENTITY Canin SUBTYPE OF (Tooth); END_ENTITY;
ENTITY Molar SUBTYPE OF (Tooth); END_ENTITY;
ENTITY Wisdom SUBTYPE OF (Molar); END_ENTITY;
ENTITY Patient;
CustomerId : INTEGER;
ToothSet : ARRAY [1:32] OF OPTIONAL Tooth;
END_ENTITY;
END_SCHEMA;
*/
EdmiError rstat;
SdaiServerContext myContext;
SdaiModel modelId;
SdaiInteger nHits, index;
SdaiInstance patientId;
SdaiAggr toothSet;
/* Define Remote Server Context */
rstat = edmiDefineServerContext("MyRemoteServerContext",
"Johnny", "Dentist", "cf37ftr",
"TCP", "9090", "MyServerHost",
NULL, NULL, NULL, NULL, NULL, &myContext);
/* Get the modelId of the
patient register model */
rstat = edmiRemoteGetModelBN(myContext, "DataRepository",
"PatientRegister", &modelId, NULL);
/* Get the instance Id of the patient
with customerId 8745 */
nHits = 1;
index = 0;
rstat = edmiRemoteFindInstancesBN(myContext, modelId,
"Patient", "CustomerId = 8745",
sizeof(SdaiInstance), &index, &nHits,
&patientId, NULL);
/* Get the patients toothset */
rstat = edmiRemoteGetAttrsBN(myContext, patientId, 0, 1, NULL,
"ToothSet", sdaiAGGR, &toothSet);
/* The patients upper left wisdom molar
(toothSet element 1) has been drawn out */
rstat = edmiRemoteUnsetAggrElement(myContext,
toothSet, 1, NULL);
. . .