edmiRemoteCreateInstanceAndPutAttrs


 

EdmiError edmiRemoteCreateInstanceAndPutAttrs(SdaiServerContext serverContextId, 
                                                SdaiModel         remoteModelId, 
                                                SdaiEntity        entityId, 
                                                SdaiInteger       attributes, 
                                                SdaiAppInstance   *newInstanceId, 
                                                SdaiInvocationId  *edmiInvocationId, 
                                                /* [SdaiAttr attributeId,  SdaiPrimitiveType valueType, SdaiVoid value] */ 
                                                ...); 


This operation creates an entity instance in an edmModel in a remote EDMdatabase and in the same operation, optionally puts values into any number of its attributes.
This operation is only applicable on data models.

Arguments


1TypeNameComment
2
SdaiServerContext 

serverContextId

Context identification, from edmiDefineServerContext

3
SdaiModel         

remoteModelId

The numeric modelID that uniquely identifies the edmModel in the remote EDMdatabase in which the instance is to be created.

4
SdaiEntity        

entityId

The numeric entityID that uniquely identifies the entity definition instance in the dictionary model within the remote EDMdatabase. The entityID is returned by the edmiRemoteGetEntity function.

5
SdaiInteger       

attributes

The number of attribute values given in the variable argument list <values>.

6
SdaiAppInstance   

newInstanceId

Variable that will receive the numeric instanceID that uniquely identifies the created instance in the remote EDMdatabase.

7
SdaiInvocationId  

edmiInvocationId

Currently not used.

8
SdaiAttr 

values

A numeric attributeID that uniquely identifies an attribute definition instance in the remote EDMdatabase. The attributeIDs are returned from the edmiRemoteGetAttrDefinition and edmiRemoteGetAttrDefinitionBN functions.

9
SdaiPrimitiveType 
 The specified primitive type must be the same or a compatible data type of the actual attribute domain as defined in the attribute declaration in the related EXPRESS schema. All data types except sdaiAGGR can be handled by this operation. Aggregates cannot be assigned as attribute data value by this operation. Aggregates must be assigned to attributes by either edmiRemoteCreateAggrAndWriteAggrElements or edmiRemoteCreateAggrAndWriteAggrElementsBN operations. The primitive type sdaiSELECT can be used to write any data type. The primitive type sdaiADB can be used to write any data type except typed values.  The primitive type sdaiINTEGER is compatible with sdaiREAL, and sdaiBOOLEAN is compatible with sdaiLOGICAL, hence automatic conversion between these compatible data types will be performed when required.  The data type sdaiAGGR is illegal in this operation.
10
SdaiVoid 
 The data value to assign to the attribute in the created instance. The type of <value>must be the same as that specified in the <valueType> argument.

 

Return Value


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Options


  

 

Example


 

 EdmiError rstat;
 SdaiServerContext myContext;
 SdaiInstance instId;
 SdaiModel modelId;
 SdaiEntity entityId;
 SdaiAttr nameAttrId, ageAttrId;
 SdaiAttr weightAttrId, marriedAttrId;
  
 /* Create Server Context */
 rstat = edmiDefineServerContext("MyContext",
 "Johnny", "Supervisor", "cf37ftr", 
 "TCP", "9090", "MyServerHost", 
 NULL, NULL, NULL, NULL, NULL, &myContext); 
  
 /* Get the model Id */
 rstat = edmiRemoteGetModelBN(myContext, "DataRepository",
 "MySocialNetwork", &modelId, NULL); 
  
 /* Get the entity Id */
 rstat = edmiRemoteGetEntity(myContext, modelId,
 "PERSON", &entityId, NULL); 
  
 /* Get the attribute Ids */
 rstat = edmiRemoteGetAttrDefinitionBN(myContext, "SocialNetwork",
 "Person", "NAME", &nameAttrId, NULL); 
 rstat = edmiRemoteGetAttrDefinitionBN(myContext, "SocialNetwork",
 "Person", "AGE", &ageAttrId, NULL); 
 rstat = edmiRemoteGetAttrDefinitionBN(myContext, "SocialNetwork",
 "Person", "WEIGHT", &weightAttrId, NULL); 
 rstat = edmiRemoteGetAttrDefinitionBN(myContext, "SocialNetwork",
 "Person", "MARRIED", &marriedAttrId, NULL); 
  
 /* Add lucy to my social network */
 rstat = edmiRemoteCreateInstanceAndPutAttrs(myContext,
 modelId, entityId, 4, &instId, NULL, 
 nameAttrId, sdaiSTRING, "Lucy Schmidt", 
 ageAttrId, sdaiINTEGER, 32, 
 weightAttrId, sdaiREAL, 59.5, 
 marriedAttrId, sdaiBOOLEAN, sdaiFALSE); 
 . . .

 

See also

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