edmiGetModelVersionId

EdmiError edmiGetModelVersionId(SdaiModel         modelId,
                                 SdaiString        modelVersionName,
                                 SdaiModelVersion *modelVersionId,
                                 SdaiVersion      *versionId);

Returns the unique modelVersionId and the version sequence number of a version of an edmModel. The version is identified by the model Id and the version name.

Arguments

Type	Name	Comment
SdaiModel	modelId	The modelId that uniquely identifies the edmModel in the EDMdatabase.
SdaiString	modelVersionName	The name of the model version to look for.
SdaiModelVersion	modelVersionId	Variable that will receive the modelVersionId that uniquely identifies the model version in the EDMdatabase.
SdaiVersion	versionId	Variable that will receive the model version number. This sequence number counts from one and increases by one for each new version created.

Return Value

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Options

Example

EdmiError rstat;
 SdaiInteger nWrn, nErr;
 SdaiRepository repId;
 SdaiModel modelId;
 SdaiVersion version1Id, version2Id;
 SdaiModelVersion modelVersionId;
 SdaiInteger myInteger;
 SdaiReal myReal;
 SdaiInstance instId;
 SdaiAttr attrId;
 SdaiPrimitiveType type;
  
 /* Compile schema */
 rstat = edmiCompileFile("c:/data/MyFile.exp",
 "c:/tmp/MyFile.dia", 
 "MySchema", 0, &nWrn, &nErr); 
 /* Create Model */
 rstat = edmiGetRepository("MyRepository", &repId);
 modelId = edmiCreateModelBN(repId, "MyModel", "MySchema", 0);
 /* Populate Model */
 instId = edmiCreateInstanceAndPutAttrsBN(modelId, "MyEntity", 1,
 "REAL_ATTR", sdaiREAL, 3.14);  
 /* Create version 1 */
 rstat = edmiCreateModelVersion("MyRepository", "MyModel",
 "V1", &modelVersionId); 
 /* Change population */
 sdaiPutAttrBN(instId, "REAL_ATTR", sdaiINTEGER, 1);
 /* Create version 2 */
 rstat = edmiCreateModelVersion("MyRepository", "MyModel",
 NULL, &modelVersionId); 
 /* Get Id of version 1 */
 rstat = edmiGetModelVersionIdBN("MyRepository", "MyModel",
 "V1", &modelVersionId, &version1Id); 
 /* Type is sdaiREAL */
 rstat = edmiVersionGetAttrDatatypeBN(instId, version1Id,
 "REAL_ATTR", &type);
 /* Value is 3.14 */ 
 if (type != sdaiREAL) goto error;
 rstat = edmiVersionGetAttrBN(instId, version1Id, "REAL_ATTR",
 type, &myReal); 
 /* Get Id of version 2 */
 attrId = sdaiGetAttrDefinitionBN("MySchema", "MyEntity",
 "REAL_ATTR");
 rstat = edmiGetModelVersionId(modelId, "version2",
 &modelVersionId, &version2Id); 
 /* Type is now sdaiINTEGER */
 rstat = edmiVersionGetAttrDatatype(instId, version2Id,
 attrId, &type);
 /* Value is 1 */
 if (type != sdaiINTEGER) goto error;
 rstat = edmiVersionGetAttr(instId, version2Id, attrId,
 type, &myInteger);
 /* Roll back to version 1 */
 rstat = edmiRollbackModel(modelId, version1Id,
 KEEP_ALL_MODEL_VERSIONS); 
 /* Delete version 2 */
 edmiDeleteModelVersion(modelId, version2Id);
 error:
 . . .

EDMsix

edmiGetModelVersionId

Arguments

Return Value

Options

Example

See also

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