TaskServiceImpl (Activiti - Engine 5.18.0 API)

java.lang.Object
- org.activiti.engine.impl.ServiceImpl
- - org.activiti.engine.impl.TaskServiceImpl

All Implemented Interfaces:: TaskService

public class TaskServiceImpl
extends ServiceImpl
implements TaskService

Author:: Tom Baeyens, Joram Barrez

Field Summary
- Fields inherited from class org.activiti.engine.impl.ServiceImpl
  commandExecutor, processEngineConfiguration

Constructor Summary

Constructors
Constructor and Description

TaskServiceImpl()

TaskServiceImpl(ProcessEngineConfigurationImpl processEngineConfiguration)

Constructors
Constructor and Description
`TaskServiceImpl()`
`TaskServiceImpl(ProcessEngineConfigurationImpl processEngineConfiguration)`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addCandidateGroup(String taskId, String groupId)` Convenience shorthand for `TaskService.addGroupIdentityLink(String, String, String)`; with type `IdentityLinkType.CANDIDATE`
`void`	`addCandidateUser(String taskId, String userId)` Convenience shorthand for `TaskService.addUserIdentityLink(String, String, String)`; with type `IdentityLinkType.CANDIDATE`
`Comment`	`addComment(String taskId, String processInstance, String message)` Add a comment to a task and/or process instance.
`Comment`	`addComment(String taskId, String processInstance, String type, String message)` Add a comment to a task and/or process instance with a custom type.
`void`	`addGroupIdentityLink(String taskId, String groupId, String identityLinkType)` Involves a group with a task.
`void`	`addUserIdentityLink(String taskId, String userId, String identityLinkType)` Involves a user with a task.
`void`	`claim(String taskId, String userId)` Claim responsibility for a task: the given user is made assignee for the task.
`void`	`complete(String taskId)` Called when the task is successfully executed.
`void`	`complete(String taskId, Map<String,Object> variables)` Called when the task is successfully executed, and the required task parameters are given by the end-user.
`void`	`complete(String taskId, Map<String,Object> variables, boolean localScope)` Called when the task is successfully executed, and the required task paramaters are given by the end-user.
`Attachment`	`createAttachment(String attachmentType, String taskId, String processInstanceId, String attachmentName, String attachmentDescription, InputStream content)` Add a new attachment to a task and/or a process instance and use an input stream to provide the content
`Attachment`	`createAttachment(String attachmentType, String taskId, String processInstanceId, String attachmentName, String attachmentDescription, String url)` Add a new attachment to a task and/or a process instance and use an url as the content
`NativeTaskQuery`	`createNativeTaskQuery()` Returns a new `NativeQuery` for tasks.
`TaskQuery`	`createTaskQuery()` Returns a new `TaskQuery` that can be used to dynamically query tasks.
`void`	`delegateTask(String taskId, String userId)` Delegates the task to another user.
`void`	`deleteAttachment(String attachmentId)` Delete an attachment
`void`	`deleteCandidateGroup(String taskId, String groupId)` Convenience shorthand for `TaskService.deleteGroupIdentityLink(String, String, String)`; with type `IdentityLinkType.CANDIDATE`
`void`	`deleteCandidateUser(String taskId, String userId)` Convenience shorthand for `TaskService.deleteUserIdentityLink(String, String, String)`; with type `IdentityLinkType.CANDIDATE`
`void`	`deleteComment(String commentId)` Removes an individual comment with the given id.
`void`	`deleteComments(String taskId, String processInstanceId)` Removes all comments from the provided task and/or process instance
`void`	`deleteGroupIdentityLink(String taskId, String groupId, String identityLinkType)` Removes the association between a group and a task for the given identityLinkType.
`void`	`deleteTask(String taskId)` Deletes the given task, not deleting historic information that is related to this task.
`void`	`deleteTask(String taskId, boolean cascade)` Deletes the given task.
`void`	`deleteTask(String taskId, String deleteReason)` Deletes the given task, not deleting historic information that is related to this task..
`void`	`deleteTasks(Collection<String> taskIds)` Deletes all tasks of the given collection, not deleting historic information that is related to these tasks.
`void`	`deleteTasks(Collection<String> taskIds, boolean cascade)` Deletes all tasks of the given collection.
`void`	`deleteTasks(Collection<String> taskIds, String deleteReason)` Deletes all tasks of the given collection, not deleting historic information that is related to these tasks.
`void`	`deleteUserIdentityLink(String taskId, String userId, String identityLinkType)` Removes the association between a user and a task for the given identityLinkType.
`Attachment`	`getAttachment(String attachmentId)` Retrieve a particular attachment
`InputStream`	`getAttachmentContent(String attachmentId)` Retrieve stream content of a particular attachment
`Comment`	`getComment(String commentId)` Returns an individual comment with the given id.
`List<Comment>`	`getCommentsByType(String type)` All comments of a given type.
`Event`	`getEvent(String eventId)` Returns an individual event with the given id.
`List<IdentityLink>`	`getIdentityLinksForTask(String taskId)` Retrieves the `IdentityLink`s associated with the given task.
`List<Attachment>`	`getProcessInstanceAttachments(String processInstanceId)` The list of attachments associated to a process instance
`List<Comment>`	`getProcessInstanceComments(String processInstanceId)` The comments related to the given process instance.
`List<Comment>`	`getProcessInstanceComments(String processInstanceId, String type)` The comments related to the given process instance.
`List<Task>`	`getSubTasks(String parentTaskId)` The list of subtasks for this parent task
`List<Attachment>`	`getTaskAttachments(String taskId)` The list of attachments associated to a task
`List<Comment>`	`getTaskComments(String taskId)` The comments related to the given task.
`List<Comment>`	`getTaskComments(String taskId, String type)` The comments related to the given task of the given type.
`List<Event>`	`getTaskEvents(String taskId)` The all events related to the given task.
`Object`	`getVariable(String executionId, String variableName)` get a variables and search in the task scope and if available also the execution scopes.
`<T> T`	`getVariable(String taskId, String variableName, Class<T> variableClass)` get a variables and search in the task scope and if available also the execution scopes.
`Object`	`getVariableLocal(String executionId, String variableName)` checks whether or not the task has a variable defined with the given name.
`<T> T`	`getVariableLocal(String taskId, String variableName, Class<T> variableClass)` checks whether or not the task has a variable defined with the given name.
`Map<String,Object>`	`getVariables(String executionId)` get all variables and search in the task scope and if available also the execution scopes.
`Map<String,Object>`	`getVariables(String executionId, Collection<String> variableNames)` get values for all given variableNames and search only in the task scope.
`Map<String,Object>`	`getVariablesLocal(String executionId)` get all variables and search only in the task scope.
`Map<String,Object>`	`getVariablesLocal(String executionId, Collection<String> variableNames)` get a variable on a task
`boolean`	`hasVariable(String taskId, String variableName)` checks whether or not the task has a variable defined with the given name, in the task scope and if available also the execution scopes.
`boolean`	`hasVariableLocal(String taskId, String variableName)` checks whether or not the task has a variable defined with the given name, local task scope only.
`Task`	`newTask()` Creates a new task that is not related to any process instance.
`Task`	`newTask(String taskId)` create a new task with a user defined task id
`void`	`removeVariable(String taskId, String variableName)` Removes the variable from the task.
`void`	`removeVariableLocal(String taskId, String variableName)` Removes the variable from the task (not considering parent scopes).
`void`	`removeVariables(String taskId, Collection<String> variableNames)` Removes all variables in the given collection from the task.
`void`	`removeVariablesLocal(String taskId, Collection<String> variableNames)` Removes all variables in the given collection from the task (not considering parent scopes).
`void`	`resolveTask(String taskId)` Marks that the assignee is done with this task and that it can be send back to the owner.
`void`	`resolveTask(String taskId, Map<String,Object> variables)` Marks that the assignee is done with this task providing the required variables and that it can be sent back to the owner.
`void`	`saveAttachment(Attachment attachment)` Update the name and decription of an attachment
`void`	`saveTask(Task task)` Saves the given task to the persistent data store.
`void`	`setAssignee(String taskId, String userId)` Changes the assignee of the given task to the given userId.
`void`	`setDueDate(String taskId, Date dueDate)` Changes the due date of the task
`void`	`setOwner(String taskId, String userId)` Transfers ownership of this task to another user.
`void`	`setPriority(String taskId, int priority)` Changes the priority of the task.
`void`	`setVariable(String executionId, String variableName, Object value)` set variable on a task.
`void`	`setVariableLocal(String executionId, String variableName, Object value)` set variable on a task.
`void`	`setVariables(String executionId, Map<String,? extends Object> variables)` set variables on a task.
`void`	`setVariablesLocal(String executionId, Map<String,? extends Object> variables)` set variables on a task.
`void`	`unclaim(String taskId)` A shortcut to `TaskService.claim(java.lang.String, java.lang.String)` with null user in order to unclaim the task

Methods inherited from class org.activiti.engine.impl.ServiceImpl
getCommandExecutor, setCommandExecutor

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

- Constructor Detail
  - TaskServiceImpl
```
public TaskServiceImpl()
```
  - TaskServiceImpl
```
public TaskServiceImpl(ProcessEngineConfigurationImpl processEngineConfiguration)
```
- Method Detail
  - newTask
```
public Task newTask()
```
    Description copied from interface: TaskService
    
    Creates a new task that is not related to any process instance. The returned task is transient and must be saved with TaskService.saveTask(Task) 'manually'.
    
    Specified by:
    
    newTask in interface TaskService
  - newTask
```
public Task newTask(String taskId)
```
    Description copied from interface: TaskService
    
    create a new task with a user defined task id
    
    Specified by:
    
    newTask in interface TaskService
  - saveTask
```
public void saveTask(Task task)
```
    Description copied from interface: TaskService
    
    Saves the given task to the persistent data store. If the task is already present in the persistent store, it is updated. After a new task has been saved, the task instance passed into this method is updated with the id of the newly created task.
    
    Specified by:
    
    saveTask in interface TaskService
    
    Parameters:
    task - the task, cannot be null.
  - deleteTask
```
public void deleteTask(String taskId)
```
    Description copied from interface: TaskService
    
    Deletes the given task, not deleting historic information that is related to this task.
    
    Specified by:
    
    deleteTask in interface TaskService
    
    Parameters:
    taskId - The id of the task that will be deleted, cannot be null. If no task exists with the given taskId, the operation is ignored.
  - deleteTasks
```
public void deleteTasks(Collection<String> taskIds)
```
    Description copied from interface: TaskService
    
    Deletes all tasks of the given collection, not deleting historic information that is related to these tasks.
    
    Specified by:
    
    deleteTasks in interface TaskService
    
    Parameters:
    taskIds - The id's of the tasks that will be deleted, cannot be null. All id's in the list that don't have an existing task will be ignored.
  - deleteTask
```
public void deleteTask(String taskId,
              boolean cascade)
```
    Description copied from interface: TaskService
    
    Deletes the given task.
    
    Specified by:
    
    deleteTask in interface TaskService
    
    Parameters:
    taskId - The id of the task that will be deleted, cannot be null. If no task exists with the given taskId, the operation is ignored.
    cascade - If cascade is true, also the historic information related to this task is deleted.
  - deleteTasks
```
public void deleteTasks(Collection<String> taskIds,
               boolean cascade)
```
    Description copied from interface: TaskService
    
    Deletes all tasks of the given collection.
    
    Specified by:
    
    deleteTasks in interface TaskService
    
    Parameters:
    taskIds - The id's of the tasks that will be deleted, cannot be null. All id's in the list that don't have an existing task will be ignored.
    cascade - If cascade is true, also the historic information related to this task is deleted.
  - deleteTask
```
public void deleteTask(String taskId,
              String deleteReason)
```
    Description copied from interface: TaskService
    
    Deletes the given task, not deleting historic information that is related to this task..
    
    Specified by:
    
    deleteTask in interface TaskService
    
    Parameters:
    taskId - The id of the task that will be deleted, cannot be null. If no task exists with the given taskId, the operation is ignored.
    deleteReason - reason the task is deleted. Is recorded in history, if enabled.
  - deleteTasks
```
public void deleteTasks(Collection<String> taskIds,
               String deleteReason)
```
    Description copied from interface: TaskService
    
    Deletes all tasks of the given collection, not deleting historic information that is related to these tasks.
    
    Specified by:
    
    deleteTasks in interface TaskService
    
    Parameters:
    taskIds - The id's of the tasks that will be deleted, cannot be null. All id's in the list that don't have an existing task will be ignored.
    deleteReason - reason the task is deleted. Is recorded in history, if enabled.
  - setAssignee
```
public void setAssignee(String taskId,
               String userId)
```
    Description copied from interface: TaskService
    
    Changes the assignee of the given task to the given userId. No check is done whether the user is known by the identity component.
    
    Specified by:
    
    setAssignee in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    userId - id of the user to use as assignee.
  - setOwner
```
public void setOwner(String taskId,
            String userId)
```
    Description copied from interface: TaskService
    
    Transfers ownership of this task to another user. No check is done whether the user is known by the identity component.
    
    Specified by:
    
    setOwner in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    userId - of the person that is receiving ownership.
  - addCandidateUser
```
public void addCandidateUser(String taskId,
                    String userId)
```
    Description copied from interface: TaskService
    
    Convenience shorthand for TaskService.addUserIdentityLink(String, String, String); with type IdentityLinkType.CANDIDATE
    
    Specified by:
    
    addCandidateUser in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    userId - id of the user to use as candidate, cannot be null.
  - addCandidateGroup
```
public void addCandidateGroup(String taskId,
                     String groupId)
```
    Description copied from interface: TaskService
    
    Convenience shorthand for TaskService.addGroupIdentityLink(String, String, String); with type IdentityLinkType.CANDIDATE
    
    Specified by:
    
    addCandidateGroup in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    groupId - id of the group to use as candidate, cannot be null.
  - addUserIdentityLink
```
public void addUserIdentityLink(String taskId,
                       String userId,
                       String identityLinkType)
```
    Description copied from interface: TaskService
    
    Involves a user with a task. The type of identity link is defined by the given identityLinkType.
    
    Specified by:
    
    addUserIdentityLink in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    userId - id of the user involve, cannot be null.
    identityLinkType - type of identityLink, cannot be null (@see IdentityLinkType).
  - addGroupIdentityLink
```
public void addGroupIdentityLink(String taskId,
                        String groupId,
                        String identityLinkType)
```
    Description copied from interface: TaskService
    
    Involves a group with a task. The type of identityLink is defined by the given identityLink.
    
    Specified by:
    
    addGroupIdentityLink in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    groupId - id of the group to involve, cannot be null.
    identityLinkType - type of identity, cannot be null (@see IdentityLinkType).
  - deleteCandidateGroup
```
public void deleteCandidateGroup(String taskId,
                        String groupId)
```
    Description copied from interface: TaskService
    
    Convenience shorthand for TaskService.deleteGroupIdentityLink(String, String, String); with type IdentityLinkType.CANDIDATE
    
    Specified by:
    
    deleteCandidateGroup in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    groupId - id of the group to use as candidate, cannot be null.
  - deleteCandidateUser
```
public void deleteCandidateUser(String taskId,
                       String userId)
```
    Description copied from interface: TaskService
    
    Convenience shorthand for TaskService.deleteUserIdentityLink(String, String, String); with type IdentityLinkType.CANDIDATE
    
    Specified by:
    
    deleteCandidateUser in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    userId - id of the user to use as candidate, cannot be null.
  - deleteGroupIdentityLink
```
public void deleteGroupIdentityLink(String taskId,
                           String groupId,
                           String identityLinkType)
```
    Description copied from interface: TaskService
    
    Removes the association between a group and a task for the given identityLinkType.
    
    Specified by:
    
    deleteGroupIdentityLink in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    groupId - id of the group to involve, cannot be null.
    identityLinkType - type of identity, cannot be null (@see IdentityLinkType).
  - deleteUserIdentityLink
```
public void deleteUserIdentityLink(String taskId,
                          String userId,
                          String identityLinkType)
```
    Description copied from interface: TaskService
    
    Removes the association between a user and a task for the given identityLinkType.
    
    Specified by:
    
    deleteUserIdentityLink in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    userId - id of the user involve, cannot be null.
    identityLinkType - type of identityLink, cannot be null (@see IdentityLinkType).
  - getIdentityLinksForTask
```
public List<IdentityLink> getIdentityLinksForTask(String taskId)
```
    Description copied from interface: TaskService
    
    Retrieves the IdentityLinks associated with the given task. Such an IdentityLink informs how a certain identity (eg. group or user) is associated with a certain task (eg. as candidate, assignee, etc.)
    
    Specified by:
    
    getIdentityLinksForTask in interface TaskService
  - claim
```
public void claim(String taskId,
         String userId)
```
    Description copied from interface: TaskService
    
    Claim responsibility for a task: the given user is made assignee for the task. The difference with TaskService.setAssignee(String, String) is that here a check is done if the task already has a user assigned to it. No check is done whether the user is known by the identity component.
    
    Specified by:
    
    claim in interface TaskService
    
    Parameters:
    taskId - task to claim, cannot be null.
    userId - user that claims the task. When userId is null the task is unclaimed, assigned to no one.
  - unclaim
```
public void unclaim(String taskId)
```
    Description copied from interface: TaskService
    
    A shortcut to TaskService.claim(java.lang.String, java.lang.String) with null user in order to unclaim the task
    
    Specified by:
    
    unclaim in interface TaskService
    
    Parameters:
    taskId - task to unclaim, cannot be null.
  - complete
```
public void complete(String taskId)
```
    Description copied from interface: TaskService
    
    Called when the task is successfully executed.
    
    Specified by:
    
    complete in interface TaskService
    
    Parameters:
    taskId - the id of the task to complete, cannot be null.
  - complete
```
public void complete(String taskId,
            Map<String,Object> variables)
```
    Description copied from interface: TaskService
    
    Called when the task is successfully executed, and the required task parameters are given by the end-user.
    
    Specified by:
    
    complete in interface TaskService
    
    Parameters:
    taskId - the id of the task to complete, cannot be null.
    variables - task parameters. May be null or empty.
  - complete
```
public void complete(String taskId,
            Map<String,Object> variables,
            boolean localScope)
```
    Description copied from interface: TaskService
    
    Called when the task is successfully executed, and the required task paramaters are given by the end-user.
    
    Specified by:
    
    complete in interface TaskService
    
    Parameters:
    taskId - the id of the task to complete, cannot be null.
    variables - task parameters. May be null or empty.
    localScope - If true, the provided variables will be stored task-local, instead of process instance wide (which is the default for TaskService.complete(String, Map)).
  - delegateTask
```
public void delegateTask(String taskId,
                String userId)
```
    Description copied from interface: TaskService
    
    Delegates the task to another user. This means that the assignee is set and the delegation state is set to DelegationState#PENDING. If no owner is set on the task, the owner is set to the current assignee of the task.
    
    Specified by:
    
    delegateTask in interface TaskService
    
    Parameters:
    taskId - The id of the task that will be delegated.
    userId - The id of the user that will be set as assignee.
  - resolveTask
```
public void resolveTask(String taskId)
```
    Description copied from interface: TaskService
    
    Marks that the assignee is done with this task and that it can be send back to the owner. Can only be called when this task is DelegationState#PENDING delegation. After this method returns, the delegationState is set to DelegationState#RESOLVED.
    
    Specified by:
    
    resolveTask in interface TaskService
    
    Parameters:
    taskId - the id of the task to resolve, cannot be null.
  - resolveTask
```
public void resolveTask(String taskId,
               Map<String,Object> variables)
```
    Description copied from interface: TaskService
    
    Marks that the assignee is done with this task providing the required variables and that it can be sent back to the owner. Can only be called when this task is DelegationState#PENDING delegation. After this method returns, the delegationState is set to DelegationState#RESOLVED.
    
    Specified by:
    
    resolveTask in interface TaskService
  - setPriority
```
public void setPriority(String taskId,
               int priority)
```
    Description copied from interface: TaskService
    
    Changes the priority of the task. Authorization: actual owner / business admin
    
    Specified by:
    
    setPriority in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    priority - the new priority for the task.
  - setDueDate
```
public void setDueDate(String taskId,
              Date dueDate)
```
    Description copied from interface: TaskService
    
    Changes the due date of the task
    
    Specified by:
    
    setDueDate in interface TaskService
    
    Parameters:
    taskId - id of the task, cannot be null.
    dueDate - the new due date for the task
  - createTaskQuery
```
public TaskQuery createTaskQuery()
```
    Description copied from interface: TaskService
    
    Returns a new TaskQuery that can be used to dynamically query tasks.
    
    Specified by:
    
    createTaskQuery in interface TaskService
  - createNativeTaskQuery
```
public NativeTaskQuery createNativeTaskQuery()
```
    Description copied from interface: TaskService
    
    Returns a new NativeQuery for tasks.
    
    Specified by:
    
    createNativeTaskQuery in interface TaskService
  - getVariables
```
public Map<String,Object> getVariables(String executionId)
```
    Description copied from interface: TaskService
    
    get all variables and search in the task scope and if available also the execution scopes. If you have many variables and you only need a few, consider using TaskService.getVariables(String, Collection) for better performance.
    
    Specified by:
    
    getVariables in interface TaskService
  - getVariablesLocal
```
public Map<String,Object> getVariablesLocal(String executionId)
```
    Description copied from interface: TaskService
    
    get all variables and search only in the task scope. If you have many task local variables and you only need a few, consider using TaskService.getVariablesLocal(String, Collection) for better performance.
    
    Specified by:
    
    getVariablesLocal in interface TaskService
  - getVariables
```
public Map<String,Object> getVariables(String executionId,
                              Collection<String> variableNames)
```
    Description copied from interface: TaskService
    
    get values for all given variableNames and search only in the task scope.
    
    Specified by:
    
    getVariables in interface TaskService
  - getVariablesLocal
```
public Map<String,Object> getVariablesLocal(String executionId,
                                   Collection<String> variableNames)
```
    Description copied from interface: TaskService
    
    get a variable on a task
    
    Specified by:
    
    getVariablesLocal in interface TaskService
  - getVariable
```
public Object getVariable(String executionId,
                 String variableName)
```
    Description copied from interface: TaskService
    
    get a variables and search in the task scope and if available also the execution scopes.
    
    Specified by:
    
    getVariable in interface TaskService
  - getVariable
```
public <T> T getVariable(String taskId,
                String variableName,
                Class<T> variableClass)
```
    Description copied from interface: TaskService
    
    get a variables and search in the task scope and if available also the execution scopes.
    
    Specified by:
    
    getVariable in interface TaskService
  - hasVariable
```
public boolean hasVariable(String taskId,
                  String variableName)
```
    Description copied from interface: TaskService
    
    checks whether or not the task has a variable defined with the given name, in the task scope and if available also the execution scopes.
    
    Specified by:
    
    hasVariable in interface TaskService
  - getVariableLocal
```
public Object getVariableLocal(String executionId,
                      String variableName)
```
    Description copied from interface: TaskService
    
    checks whether or not the task has a variable defined with the given name.
    
    Specified by:
    
    getVariableLocal in interface TaskService
  - getVariableLocal
```
public <T> T getVariableLocal(String taskId,
                     String variableName,
                     Class<T> variableClass)
```
    Description copied from interface: TaskService
    
    checks whether or not the task has a variable defined with the given name.
    
    Specified by:
    
    getVariableLocal in interface TaskService
  - hasVariableLocal
```
public boolean hasVariableLocal(String taskId,
                       String variableName)
```
    Description copied from interface: TaskService
    
    checks whether or not the task has a variable defined with the given name, local task scope only.
    
    Specified by:
    
    hasVariableLocal in interface TaskService
  - setVariable
```
public void setVariable(String executionId,
               String variableName,
               Object value)
```
    Description copied from interface: TaskService
    
    set variable on a task. If the variable is not already existing, it will be created in the most outer scope. This means the process instance in case this task is related to an execution.
    
    Specified by:
    
    setVariable in interface TaskService
  - setVariableLocal
```
public void setVariableLocal(String executionId,
                    String variableName,
                    Object value)
```
    Description copied from interface: TaskService
    
    set variable on a task. If the variable is not already existing, it will be created in the task.
    
    Specified by:
    
    setVariableLocal in interface TaskService
  - setVariables
```
public void setVariables(String executionId,
                Map<String,? extends Object> variables)
```
    Description copied from interface: TaskService
    
    set variables on a task. If the variable is not already existing, it will be created in the most outer scope. This means the process instance in case this task is related to an execution.
    
    Specified by:
    
    setVariables in interface TaskService
  - setVariablesLocal
```
public void setVariablesLocal(String executionId,
                     Map<String,? extends Object> variables)
```
    Description copied from interface: TaskService
    
    set variables on a task. If the variable is not already existing, it will be created in the task.
    
    Specified by:
    
    setVariablesLocal in interface TaskService
  - removeVariable
```
public void removeVariable(String taskId,
                  String variableName)
```
    Description copied from interface: TaskService
    
    Removes the variable from the task. When the variable does not exist, nothing happens.
    
    Specified by:
    
    removeVariable in interface TaskService
  - removeVariableLocal
```
public void removeVariableLocal(String taskId,
                       String variableName)
```
    Description copied from interface: TaskService
    
    Removes the variable from the task (not considering parent scopes). When the variable does not exist, nothing happens.
    
    Specified by:
    
    removeVariableLocal in interface TaskService
  - removeVariables
```
public void removeVariables(String taskId,
                   Collection<String> variableNames)
```
    Description copied from interface: TaskService
    
    Removes all variables in the given collection from the task. Non existing variable names are simply ignored.
    
    Specified by:
    
    removeVariables in interface TaskService
  - removeVariablesLocal
```
public void removeVariablesLocal(String taskId,
                        Collection<String> variableNames)
```
    Description copied from interface: TaskService
    
    Removes all variables in the given collection from the task (not considering parent scopes). Non existing variable names are simply ignored.
    
    Specified by:
    
    removeVariablesLocal in interface TaskService
  - addComment
```
public Comment addComment(String taskId,
                 String processInstance,
                 String message)
```
    Description copied from interface: TaskService
    
    Add a comment to a task and/or process instance.
    
    Specified by:
    
    addComment in interface TaskService
  - addComment
```
public Comment addComment(String taskId,
                 String processInstance,
                 String type,
                 String message)
```
    Description copied from interface: TaskService
    
    Add a comment to a task and/or process instance with a custom type.
    
    Specified by:
    
    addComment in interface TaskService
  - getComment
```
public Comment getComment(String commentId)
```
    Description copied from interface: TaskService
    
    Returns an individual comment with the given id. Returns null if no comment exists with the given id.
    
    Specified by:
    
    getComment in interface TaskService
  - getEvent
```
public Event getEvent(String eventId)
```
    Description copied from interface: TaskService
    
    Returns an individual event with the given id. Returns null if no event exists with the given id.
    
    Specified by:
    
    getEvent in interface TaskService
  - getTaskComments
```
public List<Comment> getTaskComments(String taskId)
```
    Description copied from interface: TaskService
    
    The comments related to the given task.
    
    Specified by:
    
    getTaskComments in interface TaskService
  - getTaskComments
```
public List<Comment> getTaskComments(String taskId,
                            String type)
```
    Description copied from interface: TaskService
    
    The comments related to the given task of the given type.
    
    Specified by:
    
    getTaskComments in interface TaskService
  - getCommentsByType
```
public List<Comment> getCommentsByType(String type)
```
    Description copied from interface: TaskService
    
    All comments of a given type.
    
    Specified by:
    
    getCommentsByType in interface TaskService
  - getTaskEvents
```
public List<Event> getTaskEvents(String taskId)
```
    Description copied from interface: TaskService
    
    The all events related to the given task.
    
    Specified by:
    
    getTaskEvents in interface TaskService
  - getProcessInstanceComments
```
public List<Comment> getProcessInstanceComments(String processInstanceId)
```
    Description copied from interface: TaskService
    
    The comments related to the given process instance.
    
    Specified by:
    
    getProcessInstanceComments in interface TaskService
  - getProcessInstanceComments
```
public List<Comment> getProcessInstanceComments(String processInstanceId,
                                       String type)
```
    Description copied from interface: TaskService
    
    The comments related to the given process instance.
    
    Specified by:
    
    getProcessInstanceComments in interface TaskService
  - createAttachment
```
public Attachment createAttachment(String attachmentType,
                          String taskId,
                          String processInstanceId,
                          String attachmentName,
                          String attachmentDescription,
                          InputStream content)
```
    Description copied from interface: TaskService
    
    Add a new attachment to a task and/or a process instance and use an input stream to provide the content
    
    Specified by:
    
    createAttachment in interface TaskService
  - createAttachment
```
public Attachment createAttachment(String attachmentType,
                          String taskId,
                          String processInstanceId,
                          String attachmentName,
                          String attachmentDescription,
                          String url)
```
    Description copied from interface: TaskService
    
    Add a new attachment to a task and/or a process instance and use an url as the content
    
    Specified by:
    
    createAttachment in interface TaskService
  - getAttachmentContent
```
public InputStream getAttachmentContent(String attachmentId)
```
    Description copied from interface: TaskService
    
    Retrieve stream content of a particular attachment
    
    Specified by:
    
    getAttachmentContent in interface TaskService
  - deleteAttachment
```
public void deleteAttachment(String attachmentId)
```
    Description copied from interface: TaskService
    
    Delete an attachment
    
    Specified by:
    
    deleteAttachment in interface TaskService
  - deleteComments
```
public void deleteComments(String taskId,
                  String processInstanceId)
```
    Description copied from interface: TaskService
    
    Removes all comments from the provided task and/or process instance
    
    Specified by:
    
    deleteComments in interface TaskService
  - deleteComment
```
public void deleteComment(String commentId)
```
    Description copied from interface: TaskService
    
    Removes an individual comment with the given id.
    
    Specified by:
    
    deleteComment in interface TaskService
  - getAttachment
```
public Attachment getAttachment(String attachmentId)
```
    Description copied from interface: TaskService
    
    Retrieve a particular attachment
    
    Specified by:
    
    getAttachment in interface TaskService
  - getTaskAttachments
```
public List<Attachment> getTaskAttachments(String taskId)
```
    Description copied from interface: TaskService
    
    The list of attachments associated to a task
    
    Specified by:
    
    getTaskAttachments in interface TaskService
  - getProcessInstanceAttachments
```
public List<Attachment> getProcessInstanceAttachments(String processInstanceId)
```
    Description copied from interface: TaskService
    
    The list of attachments associated to a process instance
    
    Specified by:
    
    getProcessInstanceAttachments in interface TaskService
  - saveAttachment
```
public void saveAttachment(Attachment attachment)
```
    Description copied from interface: TaskService
    
    Update the name and decription of an attachment
    
    Specified by:
    
    saveAttachment in interface TaskService
  - getSubTasks
```
public List<Task> getSubTasks(String parentTaskId)
```
    Description copied from interface: TaskService
    
    The list of subtasks for this parent task
    
    Specified by:
    
    getSubTasks in interface TaskService

Class TaskServiceImpl

Field Summary

Fields inherited from class org.activiti.engine.impl.ServiceImpl

Constructor Summary

Method Summary

Methods inherited from class org.activiti.engine.impl.ServiceImpl

Methods inherited from class java.lang.Object

Constructor Detail

TaskServiceImpl

TaskServiceImpl

Method Detail

newTask

newTask

saveTask

deleteTask

deleteTasks

deleteTask

deleteTasks

deleteTask

deleteTasks

setAssignee

setOwner

addCandidateUser

addCandidateGroup

addUserIdentityLink

addGroupIdentityLink

deleteCandidateGroup

deleteCandidateUser

deleteGroupIdentityLink

deleteUserIdentityLink

getIdentityLinksForTask

claim

unclaim

complete

complete

complete

delegateTask

resolveTask

resolveTask

setPriority

setDueDate

createTaskQuery

createNativeTaskQuery

getVariables

getVariablesLocal

getVariables

getVariablesLocal

getVariable

getVariable

hasVariable

getVariableLocal

getVariableLocal

hasVariableLocal

setVariable

setVariableLocal

setVariables

setVariablesLocal

removeVariable

removeVariableLocal

removeVariables

removeVariablesLocal

addComment

addComment

getComment

getEvent

getTaskComments

getTaskComments

getCommentsByType

getTaskEvents

getProcessInstanceComments

getProcessInstanceComments

createAttachment

createAttachment

getAttachmentContent

deleteAttachment

deleteComments

deleteComment

getAttachment

getTaskAttachments

getProcessInstanceAttachments