edmiRemoteRollbackModel

EdmiError edmiRemoteRollbackModel(SdaiServerContext serverContextId,
                                    SdaiString        repositoryName,
                                    SdaiString        modelName,
                                    SdaiString        modelVersionName,
                                    SdaiOptions       options,
                                    SdaiInvocationId  *edmiInvocationId);

Rolls back the current version of an edmModel to a previous version. The model version is identified by the names of the edmRepository, the edmModel and the version. By default, all versions succeeding the new current version will be permanently deleted. Use options to prevent deletion of versions.

Arguments

Type	Name	Comment
SdaiServerContext	serverContextId	Context identification, from edmiDefineServerContext
SdaiString	repositoryName	The name of the edmRepository in the EDMdatabase holding the edmModel to be rolled back. Repository names are case sensitive.
SdaiString	modelName	The name of the edmModel to roll back. Model names are case sensitive. The combination of the arguments <repositoryName> and <modelName> uniquely identifies an edmModel in the remote EDMdatabase.
SdaiString	modelVersionName	The name of the model version to roll back to.
SdaiOptions	options	See description of available options below.
SdaiInvocationId	edmiInvocationId	Currently not used.

Return Value

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Options

Option	Comment
KEEP_ALL_MODEL_VERSIONS	All versions of the edmModel will be preserved when rolling back. If this option is not used, all versions newer than the one specified by the argument <modelVersionName> will be permanently deleted.

Example

 EdmiError rstat;
 SdaiInteger nWrn, nErr;
 SdaiModelVersion modelVersionId;
 SdaiInstance instId;
 SdaiServerContext myContext;
  
 /* Define Remote Server Context */
 rstat = edmiDefineServerContext("MyRemoteServerContext",
 "Johnny", "Supervisor", "cf37ftr", 
 "TCP", "9090", "MyServerHost", 
 NULL, NULL, NULL, NULL, NULL, &myContext); 
  
 /* Compile schema */
 rstat = edmiRemoteDefineSchema(myContext, EXPRESS_SCHEMA_TYPE,
 "c:/data/MyFile.exp", "c:/tmp/MyFile.dia", "MySchema", 
 DELETING_EXISTING_SCHEMAS | STORING_SOURCE, 
 &nWrn, &nErr, NULL); 
  
 /* Create Model */
 rstat = edmiRemoteCreateModel(myContext,
 "MyRepository", "MyModel", "MySchema",  
 USE_DEFAULT_OPTIONS, NULL); 
  
 /* Populate Model */
 rstat = edmiRemoteCreateInstanceAndPutAttrsBN(myContext,
 "MyRepository", "MyModel", "MyEntity", 1, &instId, NULL, 
 "REAL_ATTR", sdaiREAL, 3.14); 
  
 /* Create version 1 */
 rstat = edmiRemoteCreateModelVersion(myContext,
 "MyRepository", "MyModel", "V1", &modelVersionId, NULL); 
  
 /* Change population */
 rstat = edmiRemotePutAttrsBN(myContext, instId, 1, NULL,
 "REAL_ATTR", sdaiINTEGER, 1); 
  
 /* Create version 2. Named 'version2' by default. */
 rstat = edmiRemoteCreateModelVersion(myContext,
 "MyRepository", "MyModel", NULL, &modelVersionId, NULL); 
  
 /* Roll back to version 1 */
 rstat = edmiRollbackModelBN("MyRepository", "MyModel", "V1",
 KEEP_ALL_MODEL_VERSIONS); 
  
 /* Delete version 2 */
 rstat = edmiRemoteDeleteModelVersion(myContext,
 "MyRepository", "MyModel", "version2", NULL); 
 . . .

EDMsix

edmiRemoteRollbackModel

Arguments

Return Value

Options

Example

See also

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