edmiRemoteIsInstanceOfBN

EdmiError edmiRemoteIsInstanceOfBN(SdaiServerContext serverContextId,
                                     SdaiInstance      instanceId, 
                                     SdaiString        entityName, 
                                     SdaiBoolean       *isInstanceOf, 
                                     SdaiInvocationId  *edmiInvocationId);

Determines whether an instance is an instance of exactly the specified instance type.

Arguments

Type	Name	Comment
SdaiServerContext	serverContextId	Context identification, from edmiDefineServerContext
SdaiInstance	instanceId	A numeric instanceID that uniquely identifies the instance of interest in the remote database
SdaiString	entityName	The name of the entity. The entity must be defined by the underlying Express Schema of the edmModel that contains the instance given by the <instanceId> argument. Entity names are case insensitive.
SdaiBoolean	isInstanceOf	A variable that will receive TRUE if the instance given in argument <instanceId> is of the instance type given in the argument <entityId>. Otherwise, FALSE will be returned.
SdaiInvocationId	edmiInvocationId	Currently not used.

Return Value

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Options

Option	Comment
Option name	Comment

Example

 EdmiError rstat;
 SdaiServerContext myContext;
 SdaiQueryResult qexRes;
 SdaiInstance *pInst;
 SdaiInteger index = 0, nHits = 10000;
 SdaiBoolean isRevolvingDoor;
  
 /* Define Remote Server Context */
 rstat = edmiDefineServerContext("MyRemoteServerContext",
 "Johnny", "Supervisor", "cf37ftr", 
 "TCP", "9090", "MyServerHost", 
 NULL, NULL, NULL, NULL, NULL, &myContext); 
  
 /* Select all doors on first floor */
 rstat = edmiRemoteSelectInstances(myContext,
 "DataRepository", "GeneralHospital", 
 "DOOR", "FLOOR = 1", SUBTYPES | ONLY_INSTANCE_IDS,  
 NULL, NULL, NULL, &index, &nHits, &qexRes,  
 NULL, NULL, NULL, NULL); 
  
 /* All doors shall open outwards,
 unless already specified otherwise. 
 Leave revolving doors unchanged */ 
 pInst = qexRes->instanceIds;
 while (pInst) {
 rstat = edmiRemoteIsInstanceOfBN(myContext, 
 *pInst, "REVOLVING_DOOR",  
 &isRevolvingDoor, NULL); 
  
 if (! isRevolvingDoor) { 
 SdaiBoolean *_valSet; 
 SdaiString _attrName = "OPEN_DIRECTION"; 
 rstat = edmiRemoteTestAttrsBN(myContext, *pInst, 0, 1, 
 &_attrName, &_valSet, NULL); 
 if (! _valSet[0]) { 
 rstat = edmiRemotePutAttrsBN(myContext, *pInst, 1, NULL,  
 &_attrName, sdaiENUMERATION, "OPENDIR_OUTWARDS"); 
 } 
 } 
 }
 . . .

EDMsix

edmiRemoteIsInstanceOfBN

Arguments

Return Value

Options

Example

See also

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