Rollback Activity Instances

API Type

Web Services

Description

Activates target activity instances by cancelling the source activity instances.

Good to Know

All the source activity instances must be activated and all the destination activity instances must not be activated when this method is called.
To call this method, the API account user must have the access right, Rollback a Process.

Syntax

public virtual WFEvent RollbackActivityInsts(WFPartialRollbackInstruction instruction)

Parameters

Name	Description
instruction	Description: Specifies the instructions for the partial rollback. Type WFPartialRollbackInstruction Allowed Values: A WFPartialRollbackInstruction object.

Output

WFEvent object that provides the status of the transaction. The possible statuses are:

Sent - Indicates event has been sent to engine for processing.
Failed - Indicates event failed to process.
Processed - Indicates event has been processed successfully.
Canceled - Indicates event was canceled.
Deferred - Indicates event does not need to be sent immediately.

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();
instruction.PartialRollbackUnits = 
       new WFPartialRollbackInstruction.PartialRollbackUnit[] 
       {unit1,unit2};

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

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

Supported Versions

4.6 and higher

Code Examples in the AgilePoint NX Documentation

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