AbstractTask (Jadex Active Component Platform 4.0.195 API)

java.lang.Object
- jadex.bpmn.runtime.task.AbstractTask

All Implemented Interfaces:

jadex.bpmn.model.task.ITask

Direct Known Subclasses:

ExecuteStepTask, InvokeMethodTask, LoggerTask, WriteContextTask, WriteParameterTask
```
public abstract class AbstractTask
extends java.lang.Object
implements jadex.bpmn.model.task.ITask
```
Simple task implementation with basic result and exception handling.

Constructor Summary

Constructors
Constructor Description

AbstractTask()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`IFuture<java.lang.Void>`	`cancel(IInternalAccess instance)`	Cleanup in case the task is cancelled.
`abstract void`	`doExecute(jadex.bpmn.model.task.ITaskContext context, IInternalAccess instance)`	Execute the task.
`IFuture<java.lang.Void>`	`execute(jadex.bpmn.model.task.ITaskContext context, IInternalAccess instance)`	Execute the task.

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

- Constructor Detail
  - AbstractTask
```
public AbstractTask()
```
- Method Detail
  - execute
```
public IFuture<java.lang.Void> execute(jadex.bpmn.model.task.ITaskContext context,
                                       IInternalAccess instance)
```
    Execute the task.
    
    Specified by:
    
    execute in interface jadex.bpmn.model.task.ITask
    
    Parameters:
    
    context - The accessible values.
    
    instance - The process instance executing the task.
    
    listener - To be notified, when the task has completed.
  - cancel
```
public IFuture<java.lang.Void> cancel(IInternalAccess instance)
```
    Cleanup in case the task is cancelled.
    
    Specified by:
    
    cancel in interface jadex.bpmn.model.task.ITask
    
    Returns:
    
    A future to indicate when cancellation has completed.
  - doExecute
```
public abstract void doExecute(jadex.bpmn.model.task.ITaskContext context,
                               IInternalAccess instance)
                        throws java.lang.Exception
```
    Execute the task. Implement this method for synchroneous tasks, which are finished, when the method returns.
    
    Parameters:
    
    context - The accessible values.
    
    instance - The process instance executing the task.
    
    Throws:
    
    java.lang.Exception - When task execution fails.