Package com.webmethods.caf.portalclient.task

Class PCTaskHelper

java.lang.Object

com.webmethods.caf.portalclient.task.PCTaskHelper

public class PCTaskHelper
extends Object

Helper class which implements variety of TaskEngine API functions. This class is a simple wrapper on top of PortalClient API used to facilitate access to TaskEngine webServices port type. Prior using these API PortalClient needs to be initialized by calling one of its initialize(...) methods

Constructor Summary

Constructors

Constructor	Description
PCTaskHelper()

Method Summary

Modifier and Type	Method	Description
static int	countAllTasksIndexed(String user, TaskSearchQueryV2 taskSearchQuery, boolean businessData)	Return the total result count for a task search against all tasks
static int	countUserTasksIndexed(String user, TaskSearchQueryV2 taskSearchQuery, boolean businessData)	Return the total result count for a user inbox task search
static void	deleteTask(String user, String taskID)	Deletes a task
static void	formFlowTaskNotify(String correlationID, String result, boolean localOnly)	Notify a task flow that a transition has occured
static RecalculationStatus	getRecalculationStatus(String taskTypeId)	Retrieve Recalculation status of task type
static Task	getTask(String user, String taskID, boolean includeTaskData)	Fetches task by its ID
static String	queueTask(String user, String taskTypeID, TaskInfo taskInfo, Hashtable<String,?> taskData)	Queues new task to the TaskEngine
static Task[]	searchAllTasks(String user, TaskSearchQuery taskSearchQuery, boolean includeTaskData)	Searches all tasks
static Task[]	searchAllTasksIndexed(String user, TaskSearchQueryV2 taskSearchQuery, boolean businessData)	Searches all tasks with paging
static TaskFields[]	searchFieldsAllTasks(String user, TaskSearchQuery taskSearchQuery, boolean includeTaskData, String[] fields)	Searches all tasks
static TaskFields[]	searchFieldsUserTasks(String user, TaskSearchQuery taskSearchQuery, boolean includeTaskData, String[] fields)	Searches user inbox tasks
static Task[]	searchUserTasks(String user, TaskSearchQuery taskSearchQuery, boolean includeTaskData)	Searches user inbox tasks
static Task[]	searchUserTasksIndexed(String user, TaskSearchQueryV2 taskSearchQuery, boolean businessData)	Return a subset of user inbox search results.
static String[]	setInstancesStatus(String user, String taskTypeId, String status, Boolean logInFile, Integer batchSize)	Updates all instances status for specific task type
static void	startVoteRecalculation(String user, String taskTypeID)	Recalculates voting strategy for given task type and attempts a status transition where needed for each task instance of said type
static void	stopVoteRecalculation(String user, String taskTypeID)	Cancels the ongoing voting strategy recalculation for a given task type
static void	updateTask(String user, String taskID, TaskInfo taskInfo, Hashtable<String,?> taskData)	Updates an existing task
static void	voteTask(String taskID, String status, String user)	Vote with a specific status for a certain task.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PCTaskHelper

public PCTaskHelper()

Method Details

queueTask

public static String queueTask(String user,
 String taskTypeID,
 TaskInfo taskInfo,
 Hashtable<String,?> taskData)
                        throws Exception

Queues new task to the TaskEngine

Parameters:

user - (optional) UserID on behalf of whom new task will be queued. If null, then portal client session context userID will be used

taskTypeID - (required) task type ID as defined in the Task Application

taskInfo - (optional) Additional generic information for the new task

taskData - (optional) Additional business data for the new task

Returns:

newly created taskID if successful

Throws:

Exception

updateTask

public static void updateTask(String user,
 String taskID,
 TaskInfo taskInfo,
 Hashtable<String,?> taskData)
                       throws Exception

Updates an existing task

Parameters:

user - (optional) UserID on behalf of whom task will be updated. If null, then portal client session context userID will be used

taskID - (required) TaskID to be updated

taskInfo - (optional) Generic task information to be set on the task

taskData - (optional) Business data information to be set on the task

Throws:

Exception - if there is an error updating a task

deleteTask

public static void deleteTask(String user,
 String taskID)
                       throws Exception

Deletes a task

Parameters:

user - (optional) UserID on behalf of whom task will be deleted. If null, then portal client session context userID will be used

taskID - (required) TaskID to be deleted

Throws:

Exception - if there is an error deleting a task

getTask

public static Task getTask(String user,
 String taskID,
 boolean includeTaskData)
                    throws Exception

Fetches task by its ID

Parameters:

user - (optional) UserID on behalf of whom task will be fetched. If null, then portal client session context userID will be used

taskID - (required) TaskID to get

includeTaskData - whether result should include task business data

Returns:

Task filled with task generic info and task business data (if requested)

Throws:

Exception - if there is a problem getting task

searchAllTasks

public static Task[] searchAllTasks(String user,
 TaskSearchQuery taskSearchQuery,
 boolean includeTaskData)
                             throws Exception

Searches all tasks

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

includeTaskData - whether result should include task business data

Returns:

list of matched tasks

Throws:

Exception - if there is a problem searching for tasks

searchUserTasks

public static Task[] searchUserTasks(String user,
 TaskSearchQuery taskSearchQuery,
 boolean includeTaskData)
                              throws Exception

Searches user inbox tasks

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

includeTaskData - whether result should include task business data

Returns:

list of matched tasks

Throws:

Exception - if there is a problem searching for tasks

searchFieldsAllTasks

public static TaskFields[] searchFieldsAllTasks(String user,
 TaskSearchQuery taskSearchQuery,
 boolean includeTaskData,
 String[] fields)
                                         throws Exception

Searches all tasks

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

includeTaskData - whether result should include task business data

Returns:

list of matched tasks

Throws:

Exception - if there is a problem searching for tasks

searchFieldsUserTasks

public static TaskFields[] searchFieldsUserTasks(String user,
 TaskSearchQuery taskSearchQuery,
 boolean includeTaskData,
 String[] fields)
                                          throws Exception

Searches user inbox tasks

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

includeTaskData - whether result should include task business data

Returns:

list of matched tasks

Throws:

Exception - if there is a problem searching for tasks

searchAllTasksIndexed

public static Task[] searchAllTasksIndexed(String user,
 TaskSearchQueryV2 taskSearchQuery,
 boolean businessData)
                                    throws Exception

Searches all tasks with paging

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

includeTaskData - whether result should include task business data

Returns:

list of matched tasks

Throws:

Exception - if there is a problem searching for tasks

countAllTasksIndexed

public static int countAllTasksIndexed(String user,
 TaskSearchQueryV2 taskSearchQuery,
 boolean businessData)
                                throws Exception

Return the total result count for a task search against all tasks

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

businessData - Specify true if the task search query requires examination of task business data

Returns:

the number of tasks that would be returned by the user inbox task search

Throws:

Exception - if there is a problem searching for tasks

searchUserTasksIndexed

public static Task[] searchUserTasksIndexed(String user,
 TaskSearchQueryV2 taskSearchQuery,
 boolean businessData)
                                     throws Exception

Return a subset of user inbox search results.

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

includeTaskData - whether result should include task business data

Returns:

list of matched tasks

Throws:

Exception - if there is a problem searching for tasks

countUserTasksIndexed

public static int countUserTasksIndexed(String user,
 TaskSearchQueryV2 taskSearchQuery,
 boolean businessData)
                                 throws Exception

Return the total result count for a user inbox task search

Parameters:

user - (optional) UserID on behalf of whom tasks will be searched. If null, then portal client session context userID will be used

taskSearchQuery - (optional) task search query. If null all tasks will be returned

businessData - Specify true if the task search query requires examination of task business data

Returns:

the number of tasks that would be returned by the user inbox task search

Throws:

Exception - if there is a problem searching for tasks

formFlowTaskNotify

public static void formFlowTaskNotify(String correlationID,
 String result,
 boolean localOnly)
                               throws Exception

Notify a task flow that a transition has occured

Parameters:

correctionID - the unique identifier of the form flow

result - the result string to return to the task flow, usually the URL that the flow should navigate to next

localOnly - only notify the local machine, do not sent notification events to other nodes in the MWS cluster

Throws:

Exception

setInstancesStatus

public static String[] setInstancesStatus(String user,
 String taskTypeId,
 String status,
 Boolean logInFile,
 Integer batchSize)
                                   throws Exception

Updates all instances status for specific task type

Parameters:

user - (required) UserID on behalf of whom task will be updated. If null, then portal client session context userID will be used

taskTypeId - (required) taskTypeId which instances to be updated

status - (required) new status

logInFile - (optional) whether result should be logged in file or returned as response

batchSize - (optional) the total number of tasks instances that will be processed together

Throws:

Exception - if there is an error updating all tasks status

startVoteRecalculation

public static void startVoteRecalculation(String user,
 String taskTypeID)
                                   throws Exception

Recalculates voting strategy for given task type and attempts a status transition where needed for each task instance of said type

Parameters:

user - (required) UserID on behalf of whom task will be updated. If null, then portal client session context userID will be used

taskTypeId - (required) taskTypeId which Task Type to be recalculated

Throws:

Exception - if there is an error during recalculation

stopVoteRecalculation

public static void stopVoteRecalculation(String user,
 String taskTypeID)
                                  throws Exception

Cancels the ongoing voting strategy recalculation for a given task type

Parameters:

user - (required) UserID on behalf of whom task will be updated. If null, then portal client session context userID will be used

taskTypeID - (required) taskTypeId which Task Type to be recalculated

Throws:

Exception

voteTask

public static void voteTask(String taskID,
 String status,
 String user)

Vote with a specific status for a certain task.

Parameters:

taskID -

status -

user -

getRecalculationStatus

public static RecalculationStatus getRecalculationStatus(String taskTypeId)
                                                  throws Exception

Retrieve Recalculation status of task type

Parameters:

taskTypeId - (required) taskTypeId which instances to be updated

Throws:

Exception - if there is an error during information gathering