public class AbstractOverseerDecorator extends Object implements OverseerDecorator
Constructor and Description |
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AbstractOverseerDecorator(Overseer overseer) |
Modifier and Type | Method and Description |
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void |
addObserver(TaskObserver observer)
Adds the given
TaskObserver to the list of observers of this
Overseer and is notified if the state of a task changes. |
Overseer |
getDecorated() |
TaskState |
getTaskState(Task task)
Returns the state of the given
Task . |
TaskState[] |
getTaskStates()
Returns the state of all
Task s managed by this Overseer. |
Worker |
getWorker(Task task)
Returns the
Worker instance that is assigned to the given task. |
void |
removeObserver(TaskObserver observer)
Removes the given
TaskObserver from the list of observers if it
exists. |
void |
reportTaskFinished(Worker worker) |
void |
reportTaskThrowedException(Worker worker,
Throwable t) |
void |
startTask(Task task)
Starts the given
Task . |
private Overseer overseer
public AbstractOverseerDecorator(Overseer overseer)
public void startTask(Task task)
Overseer
Task
.public void addObserver(TaskObserver observer)
Overseer
TaskObserver
to the list of observers of this
Overseer
and is notified if the state of a task changes.addObserver
in interface Overseer
observer
- the TaskObserver
that should be a able to observe the
Task
s managed by this overseerpublic void removeObserver(TaskObserver observer)
Overseer
TaskObserver
from the list of observers if it
exists.removeObserver
in interface Overseer
observer
- the TaskObserver
that should be removedpublic void reportTaskFinished(Worker worker)
reportTaskFinished
in interface WorkerObserver
public void reportTaskThrowedException(Worker worker, Throwable t)
reportTaskThrowedException
in interface WorkerObserver
public Overseer getDecorated()
getDecorated
in interface OverseerDecorator
public TaskState getTaskState(Task task)
Overseer
Task
.getTaskState
in interface Overseer
task
- the Task
of which the state should be returnedTask
public TaskState[] getTaskStates()
Overseer
Task
s managed by this Overseer.getTaskStates
in interface Overseer
Task
s managed by this OverseerCopyright © 2015. All rights reserved.