edmiRemoteGetAttrsBN

EdmiError edmiRemoteGetAttrsBN(SdaiServerContext serverContextId,
                                 SdaiInstance      instance, 
                                 SdaiVersion       version, 
                                 SdaiInteger       numberAttr, 
                                 SdaiInvocationId  *edmiInvocationId, 
                                 /* [SdaiString attributeName, SdaiPrimitiveType valueType, void *value] */ 
                                   ...);

Returns the value of the one or more specified attributes of an application instance. The instance is specified by its numeric instanceID that uniquely identifies it in the remote EDMdatabase. The attributer are identified by their names.

Arguments

Type	Name	Comment
SdaiServerContext	serverContextId	Context identification, from edmiDefineServerContext
SdaiInstance	instance	A numeric instanceID that uniquely identifies the instance of interrest in the remote EDMdatabase
SdaiVersion	version	The version of the edmModel to apply this function call on. The <version> parameter is a numeric sequence number counting from one by increments of one for each new model version that is created. A zero model version number means the current version.
SdaiInteger	numberAttr	The number of attributes for which to to assign values.
SdaiInvocationId	edmiInvocationId	Currently not used.
	value	For each attribute value to read the following three arguments must be specified: <attributeName> : SdaiString The name of the attribute for which to read its value. <valueType> : SdaiPrimitiveType The primitive type of the attribute. This type must be the same as the actual data type of the attribute value or any compatible data type. The primitive type sdaiSELECT can be used to get all data types. The primitive type sdaiADB can be used to get all data types except typed values. The primitive type sdaiINTEGER is compatible with sdaiREAL, and sdaiBOOLEAN is compatible with sdaiLOGICAL, hence conversion between these compatible data types will be performed automatically when required. <value> : void The variable that will hold receive the data value from the actual attribute.

Return Value

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Options

Example

 #define S_BATCHSIZE 10
 int i;
 EdmiError rstat;
 SdaiServerContext myContext;
 SdaiInteger index, nHits, nTot;
  
 /* Create Server Context */
 rstat = edmiDefineServerContext("MyContext",
 "Johnny", "Supervisor", "cf37ftr", 
 "TCP", "9090", "MyServerHost", 
 NULL, NULL, NULL, NULL, NULL, &myContext); 
  
 /* Find carpenters among my friends
 and their fathers. Read them in 
 batches of 10 */ 
 nTot = 0;
 index = 0;
 nHits = S_BATCHSIZE;
 while (nHits = S_BATCHSIZE) {
 SdaiQueryResult _qexRes; 
 SdaiString _firstName, _lastName, _phoneNo; 
  
 rstat = edmiRemoteSelectInstances(myContext, "MyRepository", 
 "MySocialRelations", "MyFriends", 
 "(SELF.PROFESSION.NAME = 'Carpenter') OR \ 
 (FATHER.PROFESSION.NAME = 'Carpenter')", 
 ONLY_INSTANCE_IDS, NULL, NULL, NULL, 
 &index, &nHits, &_qexRes, NULL, NULL, NULL, NULL); 
  
 /* Get names and phone numbers */ 
 for (i=0;i<nHits;i++) {
 rstat = edmiRemoteGetAttrsBN(myContext,
 _qexRes->instanceIds[i], 0, 3, NULL,  
 "FIRST_NAME", sdaiSTRING, &_firstName, 
 "LAST_NAME", sdaiSTRING, &_lastName, 
 "PHONE_NO", sdaiSTRING, &_phoneNo); 
  
 printf("\n%s %s, Phone No. %s", _firstName, _lastName, _phoneNo); 
 } 
 edmiFreeQueryResult(_qexRes); 
 nTot += nHits; 
 ++index; 
 }
 printf ("\n%d carpenters found among my friends!");
 . . .

EDMsix

edmiRemoteGetAttrsBN

Arguments

Return Value

Options

Example

See also

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