All Known Implementing Classes:

WorkflowRequirementsServiceImpl
```
public interface WorkflowRequirementsService
```
A class that contains utility methods related to the workflow. The adding/removing of claimed users, and ensuring that if multiple users have to perform these steps that a count is kept so that no more than the allowed user count are allowed to perform their actions.

Author:

Bram De Schouwer (bram.deschouwer at dot com), Kevin Van de Velde (kevin at atmire dot com), Ben Bosman (ben at atmire dot com), Mark Diggory (markd at atmire dot com)

Field Summary

Fields
Modifier and Type Field Description

static String WORKFLOW_SCHEMA

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addClaimedUser(Context context, XmlWorkflowItem wfi, Step step, EPerson user)`	Adds a claimed user in the metadata.
`void`	`addFinishedUser(Context context, XmlWorkflowItem wfi, EPerson user)`	Adds a finished user in the metadata.
`void`	`clearInProgressUsers(Context context, XmlWorkflowItem wfi)`
`void`	`removeClaimedUser(Context context, XmlWorkflowItem wfi, EPerson user, String stepID)`

Field Detail
- WORKFLOW_SCHEMA
```
static final String WORKFLOW_SCHEMA
```
  See Also:
  
  Constant Field Values

Method Detail

addClaimedUser

void addClaimedUser(Context context,
                    XmlWorkflowItem wfi,
                    Step step,
                    EPerson user)
             throws SQLException,
                    AuthorizeException,
                    IOException

Adds a claimed user in the metadata. If enough users have claimed this task (claimed or finished) to meet the required number, the pooled tasks will be deleted.

Parameters:: context - the dspace context; wfi - the workflow item; step - the step for which we are accepting; user - the current user
Throws:: SQLException - ...; AuthorizeException - ...; IOException - ...

removeClaimedUser

void removeClaimedUser(Context context,
                       XmlWorkflowItem wfi,
                       EPerson user,
                       String stepID)
                throws SQLException,
                       IOException,
                       WorkflowConfigurationException,
                       AuthorizeException

Throws:: SQLException; IOException; WorkflowConfigurationException; AuthorizeException

addFinishedUser

void addFinishedUser(Context context,
                     XmlWorkflowItem wfi,
                     EPerson user)
              throws AuthorizeException,
                     SQLException

Adds a finished user in the metadata. This method will also remove the user from the in-progress metadata.

Parameters:: context - the dspace context; wfi - the workflow item; user - the current user
Throws:: AuthorizeException - ...; SQLException - ...

clearInProgressUsers

void clearInProgressUsers(Context context,
                          XmlWorkflowItem wfi)
                   throws AuthorizeException,
                          SQLException

Throws:: AuthorizeException; SQLException

Interface WorkflowRequirementsService

Field Summary