TaskManager (jEdit API Documentation)

java.lang.Object
- org.gjt.sp.util.TaskManager

```
public class TaskManager
extends java.lang.Object
```
The TaskManager manage Tasks in the Threadpool, it knows all of them, and sends events to TaskListeners.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static interface TaskManager.TaskVisitor

Field Summary

Fields
Modifier and Type Field Description

static TaskManager instance
A singleton instance of TaskManager

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`addTaskListener(TaskListener listener)`
`void`	`cancelTasksByClass(java.lang.Class<? extends Task> clazz)`	cancel a task by its class
`int`	`countIoTasks()`	Return the number of IO tasks in queue.
`int`	`countTasks()`	Return the number of tasks in queue.
`void`	`removeTaskListener(TaskListener listener)`
`void`	`visit(TaskManager.TaskVisitor visitor)`	Visit all tasks.
`void`	`waitForIoTasks()`	Wait for all IO tasks to finish

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

- Field Detail
  - instance
```
public static final TaskManager instance
```
    A singleton instance of TaskManager
- Method Detail
  - countTasks
```
public int countTasks()
```
    Return the number of tasks in queue.
    
    Returns:
    
    the number of tasks in queue
    
    Since:
    
    jEdit 4.5pre1
  - countIoTasks
```
public int countIoTasks()
```
    Return the number of IO tasks in queue.
    
    Returns:
    
    the number of IO tasks in queue
    
    Since:
    
    jEdit 5.1pre1
  - addTaskListener
```
public void addTaskListener(TaskListener listener)
```
  - removeTaskListener
```
public void removeTaskListener(TaskListener listener)
```
  - visit
```
public void visit(TaskManager.TaskVisitor visitor)
```
    Visit all tasks. While doing this the task list is locked
    
    Parameters:
    
    visitor - the visitor
  - waitForIoTasks
```
public void waitForIoTasks()
```
    Wait for all IO tasks to finish
    
    Since:
    
    jEdit 5.1pre1
  - cancelTasksByClass
```
public void cancelTasksByClass(java.lang.Class<? extends Task> clazz)
```
    cancel a task by its class
    
    Since:
    
    jEdit 5.1pre1