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EdmiError edmiRemoteUnsetAggrElements(SdaiServerContext serverContextId,
SdaiAggr aggrId,
SdaiAggrIndex indexes[],
SdaiInteger elements,
SdaiInvocationId *edmiInvocationId);
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Unsets a selection of array element identified by their element indexes. This function is only applicable on aggregates of array type.
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Arguments
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| Type | Name | Comment |
| SdaiServerContext | serverContextId | Context identification, from edmiDefineServerContext |
| SdaiAggr | aggrId | The numeric aggregateID that uniquely identifies the array for which to unset a selection of an indexed elementselement. |
| SdaiAggrIndex | indexes | A locally declared buffer containing the indexes of the array elements to unset. |
| SdaiInteger | elements | The number of indexes in the <indexes> buffer. |
| SdaiInvocationId | edmiInvocationId | Currently not used. |
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Return Value
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Options
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Example
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/* 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 incisors[4] = {7,8,23,24}; |
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SdaiInteger nHits, index; |
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SdaiInstance patientId; |
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SdaiAggr toothSet; |
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/* Define Remote Server Context */ |
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rstat = edmiDefineServerContext("MyRemoteServerContext", |
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"Johnny", "Dentist", "cf37ftr", |
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"TCP", "9090", "MyServerHost", |
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NULL, NULL, NULL, NULL, NULL, &myContext); |
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/* Get the modelId of the |
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patient register model */ |
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rstat = edmiRemoteGetModelBN(myContext, "DataRepository", |
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"PatientRegister", &modelId, NULL); |
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/* Get the instance Id of the patient |
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with customerId 8745 */ |
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nHits = 1; |
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index = 0; |
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rstat = edmiRemoteFindInstancesBN(myContext, modelId, |
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"Patient", "CustomerId = 8745", |
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sizeof(SdaiInstance), &index, &nHits, |
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&patientId, NULL); |
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/* Get the patients toothset */ |
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rstat = edmiRemoteGetAttrsBN(myContext, patientId, 0, 1, NULL, |
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"ToothSet", sdaiAGGR, &toothSet); |
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/* The patient has lost all his |
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four incisors in an accident */ |
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rstat = edmiRemoteUnsetAggrElements(myContext, |
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toothSet, incisors, 4, NULL); |
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. . . |
See also
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