java.lang.Object
- pro.taskana.task.internal.TaskServiceImpl

All Implemented Interfaces:

TaskService
```
public class TaskServiceImpl
extends Object
implements TaskService
```
This is the implementation of TaskService.

Constructor Summary

Constructors
Constructor	Description
`TaskServiceImpl(InternalTaskanaEngine taskanaEngine, TaskMapper taskMapper, TaskCommentMapper taskCommentMapper, AttachmentMapper attachmentMapper)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Task`	`cancelClaim(String taskId)`	Cancel the claim of an existing task if it was claimed by the current user before.
`Task`	`cancelTask(String taskId)`	Cancels a task.
`Task`	`claim(String taskId)`	Claim an existing task for the current user.
`Task`	`completeTask(String taskId)`	Complete a claimed Task as owner/admin and update State and Timestamps.
`BulkOperationResults<String,TaskanaException>`	`completeTasks(List<String> taskIds)`	Completes a list of tasks.
`Task`	`createTask(Task taskToCreate)`	Inserts a not existing Task.
`TaskComment`	`createTaskComment(TaskComment taskComment)`	Create a task comment.
`TaskQuery`	`createTaskQuery()`	This method provides a query builder for querying the database.
`void`	`deleteTask(String taskId)`	Deletes the task with the given Id.
`void`	`deleteTaskComment(String taskCommentId)`	Deletes the task comment with the given Id.
`BulkOperationResults<String,TaskanaException>`	`deleteTasks(List<String> taskIds)`	Deletes a list of tasks.
`List<String>`	`findTasksIdsAffectedByClassificationChange(String classificationId)`
`Task`	`forceCancelClaim(String taskId)`	Cancel the claim of an existing task even if it was claimed by another user.
`Task`	`forceClaim(String taskId)`	Claim an existing task for the current user even if it is already claimed by someone else.
`Task`	`forceCompleteTask(String taskId)`	Completes a Task and updates State and Timestamps in every case if the Task exists.
`BulkOperationResults<String,TaskanaException>`	`forceCompleteTasks(List<String> taskIds)`	Completes a list of tasks.
`void`	`forceDeleteTask(String taskId)`	Deletes the task with the given Id even if it is not completed.
`Task`	`getTask(String id)`	Gets the details of a task by Id without checking permissions.
`TaskComment`	`getTaskComment(String taskCommentid)`	Retrieves a task comment for a given taskCommentId.
`List<TaskComment>`	`getTaskComments(String taskId)`	Retrieves a list of task comments for a given taskId.
`Attachment`	`newAttachment()`	Returns a not inserted instance of `Attachment`.
`Task`	`newTask()`	Returns a not inserted instance of `Task`.
`Task`	`newTask(String workbasketId)`	Returns a not inserted instance of `Task`.
`Task`	`newTask(String workbasketKey, String domain)`	Returns a not inserted instance of `Task`.
`TaskComment`	`newTaskComment(String taskId)`	Returns a not inserted instance of `TaskComment`.
`void`	`refreshPriorityAndDueDatesOfTasksOnClassificationUpdate(List<String> taskIds, boolean serviceLevelChanged, boolean priorityChanged)`
`Task`	`selectAndClaim(TaskQuery taskQuery)`	Selects and claims the first task which is returned by the task query.
`BulkOperationResults<String,TaskanaException>`	`setCallbackStateForTasks(List<String> externalIds, CallbackState state)`	Sets the callback state on a list of tasks.
`BulkOperationResults<String,TaskanaException>`	`setOwnerOfTasks(String owner, List<String> taskIds)`	Sets the owner on a list of tasks.
`BulkOperationResults<String,TaskanaException>`	`setPlannedPropertyOfTasks(Instant planned, List<String> argTaskIds)`	Sets the planned property on a list of tasks.
`Task`	`setTaskRead(String taskId, boolean isRead)`	Marks a task as read.
`Task`	`terminateTask(String taskId)`	Terminates a task.
`Task`	`transfer(String taskId, String destinationWorkbasketId, boolean setTransferFlag)`	Transfers a Task to another Workbasket.
`Task`	`transfer(String taskId, String workbasketKey, String domain, boolean setTransferFlag)`	Transfers a Task to another Workbasket.
`BulkOperationResults<String,TaskanaException>`	`transferTasks(String destinationWorkbasketKey, String destinationWorkbasketDomain, List<String> taskIds, boolean setTransferFlag)`	Transfers a list of Tasks to another Workbasket.
`BulkOperationResults<String,TaskanaException>`	`transferTasks(String destinationWorkbasketId, List<String> taskIds, boolean setTransferFlag)`	Transfers a list of Tasks to another Workbasket.
`Task`	`updateTask(Task task)`	Update a task.
`TaskComment`	`updateTaskComment(TaskComment taskComment)`	Update a task comment.
`List<String>`	`updateTasks(List<String> taskIds, Map<TaskCustomField,String> customFieldsToUpdate)`	Updates tasks with matching taskIds.
`List<String>`	`updateTasks(ObjectReference selectionCriteria, Map<TaskCustomField,String> customFieldsToUpdate)`	Updates tasks with a matching `ObjectReference`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface pro.taskana.task.api.TaskService
transfer, transfer, transferTasks, transferTasks

- Constructor Detail
  - TaskServiceImpl
```
public TaskServiceImpl(InternalTaskanaEngine taskanaEngine,
                       TaskMapper taskMapper,
                       TaskCommentMapper taskCommentMapper,
                       AttachmentMapper attachmentMapper)
```
- Method Detail
  - claim
```
public Task claim(String taskId)
           throws TaskNotFoundException,
                  InvalidStateException,
                  InvalidOwnerException,
                  NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Claim an existing task for the current user.
    
    Specified by:
    
    claim in interface TaskService
    
    Parameters:
    
    taskId - the id of the task to be claimed
    
    Returns:
    
    claimed Task
    
    Throws:
    
    TaskNotFoundException - if the task with taskId was not found
    
    InvalidStateException - if the state of the task with taskId is not READY
    
    InvalidOwnerException - if the task with taskId is claimed by some else
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - forceClaim
```
public Task forceClaim(String taskId)
                throws TaskNotFoundException,
                       InvalidStateException,
                       InvalidOwnerException,
                       NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Claim an existing task for the current user even if it is already claimed by someone else.
    
    Specified by:
    
    forceClaim in interface TaskService
    
    Parameters:
    
    taskId - the id of the task to be claimed
    
    Returns:
    
    claimed Task
    
    Throws:
    
    TaskNotFoundException - if the task with taskId was not found
    
    InvalidStateException - if the state of the task with taskId is not READY
    
    InvalidOwnerException - if the task with taskId is claimed by someone else
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - cancelClaim
```
public Task cancelClaim(String taskId)
                 throws TaskNotFoundException,
                        InvalidStateException,
                        InvalidOwnerException,
                        NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Cancel the claim of an existing task if it was claimed by the current user before.
    
    Specified by:
    
    cancelClaim in interface TaskService
    
    Parameters:
    
    taskId - id of the task which should be unclaimed.
    
    Returns:
    
    updated unclaimed task
    
    Throws:
    
    TaskNotFoundException - if the task can't be found or does not exist
    
    InvalidStateException - if the task is already in an end state.
    
    InvalidOwnerException - if the task is claimed by another user.
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - forceCancelClaim
```
public Task forceCancelClaim(String taskId)
                      throws TaskNotFoundException,
                             InvalidStateException,
                             InvalidOwnerException,
                             NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Cancel the claim of an existing task even if it was claimed by another user.
    
    Specified by:
    
    forceCancelClaim in interface TaskService
    
    Parameters:
    
    taskId - id of the task which should be unclaimed.
    
    Returns:
    
    updated unclaimed task
    
    Throws:
    
    TaskNotFoundException - if the task can't be found or does not exist
    
    InvalidStateException - if the task is already in an end state.
    
    InvalidOwnerException - if forceCancel is false and the task is claimed by another user.
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - completeTask
```
public Task completeTask(String taskId)
                  throws TaskNotFoundException,
                         InvalidOwnerException,
                         InvalidStateException,
                         NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Complete a claimed Task as owner/admin and update State and Timestamps. If task is already completed, the task is returned as itself.
    
    Specified by:
    
    completeTask in interface TaskService
    
    Parameters:
    
    taskId - - Id of the Task which should be completed.
    
    Returns:
    
    Task - updated task after completion.
    
    Throws:
    
    TaskNotFoundException - if the given Task can't be found in DB.
    
    InvalidOwnerException - if current user is not the task-owner or administrator.
    
    InvalidStateException - if Task wasn't claimed before.
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - forceCompleteTask
```
public Task forceCompleteTask(String taskId)
                       throws TaskNotFoundException,
                              InvalidOwnerException,
                              InvalidStateException,
                              NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Completes a Task and updates State and Timestamps in every case if the Task exists. If task is already completed, the task is returned as itself.
    
    Specified by:
    
    forceCompleteTask in interface TaskService
    
    Parameters:
    
    taskId - - Id of the Task which should be completed.
    
    Returns:
    
    Task - updated task after completion.
    
    Throws:
    
    TaskNotFoundException - if the given Task can't be found in DB.
    
    InvalidOwnerException - if current user is not the task-owner or administrator.
    
    InvalidStateException - if Task wasn't claimed before.
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - createTask
```
public Task createTask(Task taskToCreate)
                throws NotAuthorizedException,
                       WorkbasketNotFoundException,
                       ClassificationNotFoundException,
                       TaskAlreadyExistException,
                       InvalidArgumentException,
                       AttachmentPersistenceException
```
    Description copied from interface: TaskService
    Inserts a not existing Task.
    The default values of the created Task are:
    
    id - generated by IdGenerator
    externalId - generated by IdGenerator
    businessProcessId - generated by IdGenerator
    name - name of its Classification
    description - description of its Classification
    creator - id of current user
    state - 'READY'
    isRead - false
    isTransferred - false
    Specified by:
    
    createTask in interface TaskService
    
    Parameters:
    
    taskToCreate - the transient task object to be inserted
    
    Returns:
    
    the created and inserted task
    
    Throws:
    
    NotAuthorizedException - thrown if the current user is not authorized to create that task
    
    WorkbasketNotFoundException - thrown if the workbasket referenced by the task is not found
    
    ClassificationNotFoundException - thrown if the Classification referenced by the task is not found
    
    TaskAlreadyExistException - if the Task does already exist.
    
    InvalidArgumentException - thrown if the primary ObjectReference is invalid
    
    AttachmentPersistenceException - if an Attachment with ID will be added multiple times without using the task-methods
  - getTask
```
public Task getTask(String id)
             throws NotAuthorizedException,
                    TaskNotFoundException
```
    Description copied from interface: TaskService
    
    Gets the details of a task by Id without checking permissions.
    
    Specified by:
    
    getTask in interface TaskService
    
    Parameters:
    
    id - the id of the task
    
    Returns:
    
    the Task
    
    Throws:
    
    NotAuthorizedException - if the current user has no READ permission for the workbasket the task is in.
    
    TaskNotFoundException - thrown of the Task with taskId is not found
  - transfer
```
public Task transfer(String taskId,
                     String destinationWorkbasketId,
                     boolean setTransferFlag)
              throws TaskNotFoundException,
                     WorkbasketNotFoundException,
                     NotAuthorizedException,
                     InvalidStateException
```
    Description copied from interface: TaskService
    
    Transfers a Task to another Workbasket.
    The transfer resets the read flag and sets the transfer flag if setTransferFlag is true.
    
    Specified by:
    
    transfer in interface TaskService
    
    Parameters:
    
    taskId - the id of the Task which should be transferred
    
    destinationWorkbasketId - the id of the target Workbasket
    
    setTransferFlag - the control about whether to set the TaskSummary.isTransferred() flag or not
    
    Returns:
    
    the transferred Task
    
    Throws:
    
    TaskNotFoundException - Thrown if the Task with taskId was not found.
    
    WorkbasketNotFoundException - Thrown if the target Workbasket was not found.
    
    NotAuthorizedException - Thrown if the current user is not authorized to transfer this Task to the target Workbasket
    
    InvalidStateException - Thrown if the Task is in a state which does not allow transferring
  - transfer
```
public Task transfer(String taskId,
                     String workbasketKey,
                     String domain,
                     boolean setTransferFlag)
              throws TaskNotFoundException,
                     WorkbasketNotFoundException,
                     NotAuthorizedException,
                     InvalidStateException
```
    Description copied from interface: TaskService
    
    Transfers a Task to another Workbasket.
    The transfer resets the read flag and sets the transfer flag if setTransferFlag is true.
    
    Specified by:
    
    transfer in interface TaskService
    
    Parameters:
    
    taskId - the id of the Task which should be transferred
    
    workbasketKey - the key of the target Workbasket
    
    domain - the domain of the target Workbasket
    
    setTransferFlag - the control about whether to set the TaskSummary.isTransferred() flag or not
    
    Returns:
    
    the transferred Task
    
    Throws:
    
    TaskNotFoundException - Thrown if the Task with taskId was not found.
    
    WorkbasketNotFoundException - Thrown if the target Workbasket was not found.
    
    NotAuthorizedException - Thrown if the current user is not authorized to transfer this Task to the target Workbasket
    
    InvalidStateException - Thrown if the Task is in a state which does not allow transferring
  - setTaskRead
```
public Task setTaskRead(String taskId,
                        boolean isRead)
                 throws TaskNotFoundException,
                        NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Marks a task as read.
    
    Specified by:
    
    setTaskRead in interface TaskService
    
    Parameters:
    
    taskId - the id of the task to be updated
    
    isRead - the new status of the read flag.
    
    Returns:
    
    the updated Task
    
    Throws:
    
    TaskNotFoundException - Thrown if the Task with taskId was not found
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
  - createTaskQuery
```
public TaskQuery createTaskQuery()
```
    Description copied from interface: TaskService
    
    This method provides a query builder for querying the database.
    
    Specified by:
    
    createTaskQuery in interface TaskService
    
    Returns:
    
    a TaskQuery
  - newTask
```
public Task newTask()
```
    Description copied from interface: TaskService
    
    Returns a not inserted instance of Task. The returned task has no workbasket Id set. When createTask() is invoked for this task, TaskService will call the TaskRouting SPI to determine a workbasket for the task. If the TaskRouting API is not active, e.g. because no TaskRouter is registered, or the TaskRouter(s) don't find a workbasket, the task will not be inserted.
    
    Specified by:
    
    newTask in interface TaskService
    
    Returns:
    
    an empty new Task
  - newTask
```
public Task newTask(String workbasketId)
```
    Description copied from interface: TaskService
    
    Returns a not inserted instance of Task.
    
    Specified by:
    
    newTask in interface TaskService
    
    Parameters:
    
    workbasketId - the id of the workbasket to which the task belongs
    
    Returns:
    
    an empty new Task
  - newTask
```
public Task newTask(String workbasketKey,
                    String domain)
```
    Description copied from interface: TaskService
    
    Returns a not inserted instance of Task.
    
    Specified by:
    
    newTask in interface TaskService
    
    Parameters:
    
    workbasketKey - the key of the workbasket to which the task belongs
    
    domain - the domain of the workbasket to which the task belongs
    
    Returns:
    
    an empty new Task
  - newTaskComment
```
public TaskComment newTaskComment(String taskId)
```
    Description copied from interface: TaskService
    
    Returns a not inserted instance of TaskComment.
    
    Specified by:
    
    newTaskComment in interface TaskService
    
    Parameters:
    
    taskId - The id of the task to which the task comment belongs
    
    Returns:
    
    an empty new TaskComment
  - newAttachment
```
public Attachment newAttachment()
```
    Description copied from interface: TaskService
    
    Returns a not inserted instance of Attachment.
    
    Specified by:
    
    newAttachment in interface TaskService
    
    Returns:
    
    an empty new Attachment
  - updateTask
```
public Task updateTask(Task task)
                throws InvalidArgumentException,
                       TaskNotFoundException,
                       ConcurrencyException,
                       NotAuthorizedException,
                       AttachmentPersistenceException,
                       InvalidStateException,
                       ClassificationNotFoundException
```
    Description copied from interface: TaskService
    
    Update a task.
    
    Specified by:
    
    updateTask in interface TaskService
    
    Parameters:
    
    task - the task to be updated in the database
    
    Returns:
    
    the updated task
    
    Throws:
    
    InvalidArgumentException - if the task to be updated contains invalid properties like e.g. invalid object references
    
    TaskNotFoundException - if the id of the task is not found in the database
    
    ConcurrencyException - if the task has already been updated by another user
    
    NotAuthorizedException - if the current user is not authorized to update the task
    
    AttachmentPersistenceException - if an Attachment with ID will be added multiple times without using the task-methods
    
    InvalidStateException - if an attempt is made to change the owner of the task and the task is not in state READY .
    
    ClassificationNotFoundException - if the updated task refers to a classification that cannot be found
  - transferTasks
```
public BulkOperationResults<String,TaskanaException> transferTasks(String destinationWorkbasketId,
                                                                         List<String> taskIds,
                                                                         boolean setTransferFlag)
                                                                  throws NotAuthorizedException,
                                                                         InvalidArgumentException,
                                                                         WorkbasketNotFoundException
```
    Description copied from interface: TaskService
    
    Transfers a list of Tasks to another Workbasket.
    The transfer resets the read flag and sets the transfer flag if setTransferFlag is true. Exceptions will be thrown if the caller got no permissions on the target or it does not exist. Other Exceptions will be stored and returned in the end.
    
    Specified by:
    
    transferTasks in interface TaskService
    
    Parameters:
    
    destinationWorkbasketId - target Workbasket id
    
    taskIds - list of source Tasks which will be moved
    
    setTransferFlag - the control about whether to set the TaskSummary.isTransferred() flag or not
    
    Returns:
    
    Bulkresult with ID and Error in it for failed transactions.
    
    Throws:
    
    NotAuthorizedException - if the caller has no permissions on target Workbasket.
    
    InvalidArgumentException - if the method parameters are EMPTY or NULL.
    
    WorkbasketNotFoundException - if the target Workbasket can not be found.
  - transferTasks
```
public BulkOperationResults<String,TaskanaException> transferTasks(String destinationWorkbasketKey,
                                                                         String destinationWorkbasketDomain,
                                                                         List<String> taskIds,
                                                                         boolean setTransferFlag)
                                                                  throws NotAuthorizedException,
                                                                         InvalidArgumentException,
                                                                         WorkbasketNotFoundException
```
    Description copied from interface: TaskService
    
    Transfers a list of Tasks to another Workbasket.
    The transfer resets the read flag and sets the transfer flag if setTransferFlag is true. Exceptions will be thrown if the caller got no permissions on the target or it does not exist. Other Exceptions will be stored and returned in the end.
    
    Specified by:
    
    transferTasks in interface TaskService
    
    Parameters:
    
    destinationWorkbasketKey - target Workbasket key
    
    destinationWorkbasketDomain - target Workbasket domain
    
    taskIds - list of source Tasks which will be moved
    
    setTransferFlag - the control about whether to set the TaskSummary.isTransferred() flag or not
    
    Returns:
    
    BulkResult with ID and Error in it for failed transactions.
    
    Throws:
    
    NotAuthorizedException - if the caller has no permissions on target Workbasket.
    
    InvalidArgumentException - if the method parameters are EMPTY or NULL.
    
    WorkbasketNotFoundException - if the target Workbasket can not be found.
  - deleteTask
```
public void deleteTask(String taskId)
                throws TaskNotFoundException,
                       InvalidStateException,
                       NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Deletes the task with the given Id.
    
    Specified by:
    
    deleteTask in interface TaskService
    
    Parameters:
    
    taskId - The Id of the task to delete.
    
    Throws:
    
    TaskNotFoundException - If the given Id does not refer to an existing task.
    
    InvalidStateException - If the state of the referenced task is not an end state.
    
    NotAuthorizedException - if the current user is not member of role ADMIN
  - forceDeleteTask
```
public void forceDeleteTask(String taskId)
                     throws TaskNotFoundException,
                            InvalidStateException,
                            NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Deletes the task with the given Id even if it is not completed.
    
    Specified by:
    
    forceDeleteTask in interface TaskService
    
    Parameters:
    
    taskId - The Id of the task to delete.
    
    Throws:
    
    TaskNotFoundException - If the given Id does not refer to an existing task.
    
    InvalidStateException - If the state of the referenced task is not an end state and forceDelete is false.
    
    NotAuthorizedException - if the current user is not member of role ADMIN
  - selectAndClaim
```
public Task selectAndClaim(TaskQuery taskQuery)
                    throws NotAuthorizedException,
                           InvalidOwnerException
```
    Description copied from interface: TaskService
    
    Selects and claims the first task which is returned by the task query.
    
    Specified by:
    
    selectAndClaim in interface TaskService
    
    Parameters:
    
    taskQuery - the task query.
    
    Returns:
    
    the task that got selected and claimed
    
    Throws:
    
    NotAuthorizedException - if the current user has no read permission for the workbasket the task is in
    
    InvalidOwnerException - if the task is claimed by someone else
  - deleteTasks
```
public BulkOperationResults<String,TaskanaException> deleteTasks(List<String> taskIds)
                                                                throws InvalidArgumentException,
                                                                       NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Deletes a list of tasks.
    
    Specified by:
    
    deleteTasks in interface TaskService
    
    Parameters:
    
    taskIds - the ids of the tasks to delete.
    
    Returns:
    
    the result of the operations with Id and Exception for each failed task deletion.
    
    Throws:
    
    InvalidArgumentException - if the TaskIds parameter is NULL
    
    NotAuthorizedException - if the current user is not member of role ADMIN
  - completeTasks
```
public BulkOperationResults<String,TaskanaException> completeTasks(List<String> taskIds)
                                                                  throws InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Completes a list of tasks.
    
    Specified by:
    
    completeTasks in interface TaskService
    
    Parameters:
    
    taskIds - of the tasks which should be completed.
    
    Returns:
    
    the result of the operations with Id and Exception for each failed task completion.
    
    Throws:
    
    InvalidArgumentException - If the taskId parameter is NULL.
  - forceCompleteTasks
```
public BulkOperationResults<String,TaskanaException> forceCompleteTasks(List<String> taskIds)
                                                                       throws InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Completes a list of tasks.
    
    Specified by:
    
    forceCompleteTasks in interface TaskService
    
    Parameters:
    
    taskIds - of the tasks which should be completed.
    
    Returns:
    
    the result of the operations with Id and Exception for each failed task completion.
    
    Throws:
    
    InvalidArgumentException - If the taskId parameter is NULL.
    
    See Also:
    
    TaskService.forceCompleteTask(java.lang.String)
  - updateTasks
```
public List<String> updateTasks(ObjectReference selectionCriteria,
                                Map<TaskCustomField,String> customFieldsToUpdate)
                         throws InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Updates tasks with a matching ObjectReference.
    
    Specified by:
    
    updateTasks in interface TaskService
    
    Parameters:
    
    selectionCriteria - the ObjectReference that is used to select the tasks.
    
    customFieldsToUpdate - a Map that contains as key the identification of the custom field and as value the corresponding new value of that custom field.
    
    Returns:
    
    a list of the Ids of all modified tasks
    
    Throws:
    
    InvalidArgumentException - if the given selectionCriteria is invalid or the given customFieldsToUpdate are null or empty.
  - updateTasks
```
public List<String> updateTasks(List<String> taskIds,
                                Map<TaskCustomField,String> customFieldsToUpdate)
                         throws InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Updates tasks with matching taskIds.
    
    Specified by:
    
    updateTasks in interface TaskService
    
    Parameters:
    
    taskIds - the taskIds that are used to select the tasks.
    
    customFieldsToUpdate - a Map that contains as key the identification of the custom field and as value the corresponding new value of that custom field.
    
    Returns:
    
    a list of the Ids of all modified tasks
    
    Throws:
    
    InvalidArgumentException - if the given customFieldsToUpdate are null or empty.
  - createTaskComment
```
public TaskComment createTaskComment(TaskComment taskComment)
                              throws NotAuthorizedException,
                                     TaskNotFoundException,
                                     InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Create a task comment.
    
    Specified by:
    
    createTaskComment in interface TaskService
    
    Parameters:
    
    taskComment - the task comment to be created.
    
    Returns:
    
    the created task comment.
    
    Throws:
    
    NotAuthorizedException - If the current user has no authorization to create a task comment for the given taskId in the TaskComment or is not authorized to access the task.
    
    TaskNotFoundException - If the given taskId in the TaskComment does not refer to an existing task.
    
    InvalidArgumentException - If the given taskCommentId from the provided task comment is not null or empty
  - updateTaskComment
```
public TaskComment updateTaskComment(TaskComment taskComment)
                              throws NotAuthorizedException,
                                     ConcurrencyException,
                                     TaskCommentNotFoundException,
                                     TaskNotFoundException,
                                     InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Update a task comment.
    
    Specified by:
    
    updateTaskComment in interface TaskService
    
    Parameters:
    
    taskComment - the task comment to be updated in the database.
    
    Returns:
    
    the updated task comment.
    
    Throws:
    
    NotAuthorizedException - If the current user has no authorization to update a task comment or is not authorized to access the task.
    
    ConcurrencyException - if an attempt is made to update the task comment and another user. updated it already.
    
    TaskCommentNotFoundException - If the given taskCommentId in the TaskComment does not refer to an existing taskComment.
    
    TaskNotFoundException - If the given taskId in the TaskComment does not refer to an existing task.
    
    InvalidArgumentException - If the given taskCommentId from the provided task comment is null or empty
  - deleteTaskComment
```
public void deleteTaskComment(String taskCommentId)
                       throws NotAuthorizedException,
                              TaskCommentNotFoundException,
                              TaskNotFoundException,
                              InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Deletes the task comment with the given Id.
    
    Specified by:
    
    deleteTaskComment in interface TaskService
    
    Parameters:
    
    taskCommentId - The id of the task comment to delete.
    
    Throws:
    
    NotAuthorizedException - If the current user has no authorization to delete a task comment or is not authorized to access the task.
    
    TaskCommentNotFoundException - If the given taskCommentId in the TaskComment does not refer to an existing taskComment.
    
    TaskNotFoundException - If the given taskId in the TaskComment does not refer to an existing task.
    
    InvalidArgumentException - If the taskCommentId is null/empty
  - getTaskComment
```
public TaskComment getTaskComment(String taskCommentid)
                           throws TaskCommentNotFoundException,
                                  NotAuthorizedException,
                                  TaskNotFoundException,
                                  InvalidArgumentException
```
    Description copied from interface: TaskService
    
    Retrieves a task comment for a given taskCommentId.
    
    Specified by:
    
    getTaskComment in interface TaskService
    
    Parameters:
    
    taskCommentid - The id of the task comment which should be retrieved
    
    Returns:
    
    the task comment identified by taskCommentId
    
    Throws:
    
    TaskCommentNotFoundException - If the given taskCommentId in the TaskComment does not refer to an existing taskComment.
    
    NotAuthorizedException - If the current user has no authorization to retrieve a taskComment from a certain task or is not authorized to access the task.
    
    TaskNotFoundException - If the given taskId in the TaskComment does not refer to an existing task.
    
    InvalidArgumentException - If the given taskCommentId is null or empty
  - getTaskComments
```
public List<TaskComment> getTaskComments(String taskId)
                                  throws NotAuthorizedException,
                                         TaskNotFoundException
```
    Description copied from interface: TaskService
    
    Retrieves a list of task comments for a given taskId.
    
    Specified by:
    
    getTaskComments in interface TaskService
    
    Parameters:
    
    taskId - The id of the task for which all task comments should be retrieved
    
    Returns:
    
    the list of task comments attached to task with id taskId
    
    Throws:
    
    NotAuthorizedException - If the current user has no authorization to retrieve a taskComment from a certain task or is not authorized to access the task.
    
    TaskNotFoundException - If the given taskId in the TaskComment does not refer to an existing task.
  - setCallbackStateForTasks
```
public BulkOperationResults<String,TaskanaException> setCallbackStateForTasks(List<String> externalIds,
                                                                                    CallbackState state)
```
    Description copied from interface: TaskService
    
    Sets the callback state on a list of tasks. Note: this method is primarily intended to be used by the TaskanaAdapter
    
    Specified by:
    
    setCallbackStateForTasks in interface TaskService
    
    Parameters:
    
    externalIds - the EXTERNAL_IDs of the tasks on which the callback state is set.
    
    state - the callback state that is to be set on the tasks
    
    Returns:
    
    the result of the operations with Id and Exception for each failed task deletion.
  - setOwnerOfTasks
```
public BulkOperationResults<String,TaskanaException> setOwnerOfTasks(String owner,
                                                                           List<String> taskIds)
```
    Description copied from interface: TaskService
    
    Sets the owner on a list of tasks. The owner will only be set on tasks that are in state READY.
    
    Specified by:
    
    setOwnerOfTasks in interface TaskService
    
    Parameters:
    
    owner - the new owner of the tasks
    
    taskIds - the IDs of the tasks on which the owner is to be set.
    
    Returns:
    
    the result of the operations with Id and Exception for each failed task update.
  - setPlannedPropertyOfTasks
```
public BulkOperationResults<String,TaskanaException> setPlannedPropertyOfTasks(Instant planned,
                                                                                     List<String> argTaskIds)
```
    Description copied from interface: TaskService
    
    Sets the planned property on a list of tasks. Only tasks in state READY and CLAIMED will be affected by this method. On each task, the corresponding due date is set according to the shortest service level in the classifications of the task and the task's attachments.
    
    Specified by:
    
    setPlannedPropertyOfTasks in interface TaskService
    
    Parameters:
    
    planned - the new 'PLANNED" property of the tasks
    
    argTaskIds - the IDs of the tasks on which the new planned property is to be set.
    
    Returns:
    
    the result of the operations with Id and Exception for each failed task update.
  - cancelTask
```
public Task cancelTask(String taskId)
                throws TaskNotFoundException,
                       InvalidStateException,
                       NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Cancels a task. Cancellation means a task is obsolete from a business perspective an does not need to be completed anymore.
    
    Specified by:
    
    cancelTask in interface TaskService
    
    Parameters:
    
    taskId - the id of the task to cancel.
    
    Returns:
    
    the updated task.
    
    Throws:
    
    TaskNotFoundException - if the Task with Id TaskId is not found
    
    InvalidStateException - if the task is not in state READY or CLAIMED
    
    NotAuthorizedException - if the current user is not authorized to see the task
  - terminateTask
```
public Task terminateTask(String taskId)
                   throws TaskNotFoundException,
                          InvalidStateException,
                          NotAuthorizedException
```
    Description copied from interface: TaskService
    
    Terminates a task. Termination is a administrative action to complete a task. This is typically done by an administration to correct any technical issue.
    
    Specified by:
    
    terminateTask in interface TaskService
    
    Parameters:
    
    taskId - the id of the task to cancel.
    
    Returns:
    
    the updated task.
    
    Throws:
    
    TaskNotFoundException - if the Task with Id TaskId is not found
    
    InvalidStateException - if the task is not in state READY or CLAIMED
    
    NotAuthorizedException - if the current user is not authorized to see the task
  - findTasksIdsAffectedByClassificationChange
```
public List<String> findTasksIdsAffectedByClassificationChange(String classificationId)
```
  - refreshPriorityAndDueDatesOfTasksOnClassificationUpdate
```
public void refreshPriorityAndDueDatesOfTasksOnClassificationUpdate(List<String> taskIds,
                                                                    boolean serviceLevelChanged,
                                                                    boolean priorityChanged)
```

Class TaskServiceImpl

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface pro.taskana.task.api.TaskService

Constructor Detail

TaskServiceImpl

Method Detail

claim

forceClaim

cancelClaim

forceCancelClaim

completeTask

forceCompleteTask

createTask

getTask

transfer

transfer

setTaskRead

createTaskQuery

newTask

newTask

newTask

newTaskComment

newAttachment

updateTask

transferTasks

transferTasks

deleteTask

forceDeleteTask

selectAndClaim

deleteTasks

completeTasks

forceCompleteTasks

updateTasks

updateTasks

createTaskComment

updateTaskComment

deleteTaskComment

getTaskComment

getTaskComments

setCallbackStateForTasks

setOwnerOfTasks

setPlannedPropertyOfTasks

cancelTask

terminateTask

findTasksIdsAffectedByClassificationChange

refreshPriorityAndDueDatesOfTasksOnClassificationUpdate