RenderingTask (Geotools modules 31-SNAPSHOT API)

Object
- RenderingTask

All Implemented Interfaces:

Callable<Boolean>, RenderListener
```
public class RenderingTask
extends Object
implements Callable<Boolean>, RenderListener
```
A rendering task to be run by a RenderingExecutor.

Since:

8.0

Author:

Michael Bedward

Constructor Summary

Constructors
Constructor Description

RenderingTask(MapContent mapContent, Graphics2D destinationGraphics, GTRenderer renderer)
Creates a new rendering task.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Boolean`	`call()`	Called by the executor to run this rendering task.
`void`	`cancel()`
`void`	`errorOccurred(Exception e)`	Called by the renderer on error
`void`	`featureRenderer(SimpleFeature feature)`	Called by the renderer when each feature is drawn.
`boolean`	`isCancelled()`
`boolean`	`isFailed()`
`boolean`	`isRunning()`

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

Methods inherited from interface RenderListener
labellingEnd, labellingStart, layerEnd, layerStart, renderingComplete

- Constructor Detail
  - RenderingTask
```
public RenderingTask(MapContent mapContent,
                     Graphics2D destinationGraphics,
                     GTRenderer renderer)
```
    Creates a new rendering task.
- Method Detail
  - cancel
```
public void cancel()
```
  - call
```
public Boolean call()
             throws Exception
```
    Called by the executor to run this rendering task.
    
    Specified by:
    
    call in interface Callable<Boolean>
    
    Returns:
    
    result of the task: completed or failed
    
    Throws:
    
    Exception
  - featureRenderer
```
public void featureRenderer(SimpleFeature feature)
```
    Called by the renderer when each feature is drawn. This implementation does nothing.
    
    Specified by:
    
    featureRenderer in interface RenderListener
    
    Parameters:
    
    feature - the feature just drawn
  - errorOccurred
```
public void errorOccurred(Exception e)
```
    Called by the renderer on error
    
    Specified by:
    
    errorOccurred in interface RenderListener
    
    Parameters:
    
    e - cause of the error
  - isRunning
```
public boolean isRunning()
```
  - isFailed
```
public boolean isFailed()
```
  - isCancelled
```
public boolean isCancelled()
```