Rollback Activity Instances

Description

Rolls back a process instance according to a specified instruction. The class WFPartialRollbackInstructionis used to specify detailed information about the instruction.

Syntax

public virtual WFEvent RollbackActivityInsts(WFPartialRollbackInstruction instruction)

Parameters

Name	Type	Description
instruction	WFPartialRollbackInstruction	An object that specifies the instructions for the partial rollback.

Output

WFEvent object that provides the status of the transaction. Possible statuses are Success, Failed, and Sent.

Example

//Sample for partial rollback
IWFWorkflowService svc = GetWorkflowService();

// PartialRollback unit
WFPartialRollbackInstruction.PartialRollbackUnit unit1
 = new WFPartialRollbackInstruction.PartialRollbackUnit();
unit1.DestinationActivityInstanceID = ... // destination activity
instance ID
unit1.SourceActivityInstanceIDs = new string[] { ... }; // array of
source activity instance ID
WFPartialRollbackInstruction.PartialRollbackUnit unit2
 = new WFPartialRollbackInstruction.PartialRollbackUnit();
unit2.DestinationActivityInstanceID = ... // destination activity
instance ID
unit2.SourceActivityInstanceIDs = new string[] { … }; // array of
source activity instance ID
WFPartialRollbackInstruction instruction = new
WFPartialRollbackInstruction();

try
	{
    //Rollbacking the activity instance
    WFEvent evt = workflowService. RollbackActivityInsts(instruction);
	}

catch (Exception ex)
	{
    Console.WriteLine("Failed! " + ShUtil.GetSoapMessage(ex));
	}

Supported Versions

4.6 and higher

Parent topic: Methods for Activity Instances