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## org.eclipse.amp.axf.ide.handlers
Class ModelRunHandler

    java.lang.Object
      org.eclipse.core.commands.common.EventManager
          org.eclipse.core.commands.AbstractHandler
              org.eclipse.amp.axf.ide.handlers.ModelRunHandler

All Implemented Interfaces:
  ILifeCycleListener, IStateListener, IModelWorkbenchListener, org.eclipse.core.commands.IHandler, org.eclipse.core.commands.IHandler2

Direct Known Subclasses:
  CloseHandler, PauseHandler, RestartHandler, ResumeHandler, StartHandler, StepHandler, StopHandler

    public abstract class ModelRunHandler

extends org.eclipse.core.commands.AbstractHandler
implements ILifeCycleListener, IModelWorkbenchListener

The Class ModelRunHandler.

Constructor Summary
`ModelRunHandler(EngineControl control)` Instantiates a new model run handler.

Method Summary
`java.lang.Object` | `execute(org.eclipse.core.commands.ExecutionEvent event)`
`IEngine` | `getRunner()` Gets the runner.
`boolean` | `isEnabled()`
`void` | `modelActivated(IModel model)` Notifies the listener that the given model has been activated, that is in foreground and controllable.
`void` | `modelAdded(IModel model)` Model added.
`void` | `modelRemoved(IModel model)` Model removed.
`void` | `notifyChange()` Notify change.
`void` | `observationEnd(IObservationProvider model)` Notifies that the model is no longer providing observations.
`void` | `observationEnding(IObservationProvider observed)` Notifies that the model is about to be closed.
`void` | `observeCreate(IObservationProvider observed)` Notifies that the model has been instantiated but has not yet been initialized.
`void` | `observeInitialize(IObservationProvider observed)` Notifies that the model's initial state has been reached.
`void` | `observeStart(IObservationProvider observed)` Notifies that the model is just starting execution.
`void` | `observeStop(IObservationProvider observed)` Notifies that the model has stopped execution.
`void` | `observeUpdate(IObservationProvider observed)` Notifies that the model has completed one period of execution at the appropriate level of granularity.
`void` | `observing(IObservationProvider model)` Notifies that the model is now aware of this observer.
`void` | `stateChange(java.lang.Object key, java.lang.Object updated)` Notifies that the model has had some kind of state or observation status change.
`void` | `viewActivated(org.eclipse.ui.IWorkbenchPart part)` View activated.
`void` | `viewAdded(org.eclipse.ui.IWorkbenchPart part)` View added.
`void` | `viewRemoved(org.eclipse.ui.IWorkbenchPart part)` View removed.

Methods inherited from class org.eclipse.core.commands.AbstractHandler
`addHandlerListener, dispose, isHandled, removeHandlerListener, setEnabled`

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

Constructor Detail

### ModelRunHandler

    public ModelRunHandler(EngineControl control)

  Instantiates a new model run handler.

  Parameters:
    `control` - the control

Method Detail

### execute

    public java.lang.Object execute(org.eclipse.core.commands.ExecutionEvent event)
                             throws org.eclipse.core.commands.ExecutionException

  Specified by:
    `execute` in interface `org.eclipse.core.commands.IHandler`
  Parameters:
    `event` -
  Returns:
  Throws:
    `org.eclipse.core.commands.ExecutionException`
  See Also:
    `IHandler.execute(org.eclipse.core.commands.ExecutionEvent)`

### getRunner

    public IEngine getRunner()

  Gets the runner.

  Returns:
    the runner

### isEnabled

    public boolean isEnabled()

  Specified by:
    `isEnabled` in interface `org.eclipse.core.commands.IHandler`
  Overrides:
    `isEnabled` in class `org.eclipse.core.commands.AbstractHandler`
  Returns:
  See Also:
    `AbstractHandler.isEnabled()`

### notifyChange

    public void notifyChange()

  Notify change.

### observing

    public void observing(IObservationProvider model)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model is now aware of this observer. Note that models may defer addition of listeners so a listener adding itself to a model should not assume that it has actually been added until this notification has occurred.

  Specified by:
    `observing` in interface `ILifeCycleListener`
  Parameters:
    `model` - the observed

### observationEnd

    public void observationEnd(IObservationProvider model)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model is no longer providing observations. Typically it has been disposed at this point.

  Specified by:
    `observationEnd` in interface `ILifeCycleListener`
  Parameters:
    `model` - the model removed event
  See Also:
    `modelAdded`

### stateChange

    public void stateChange(java.lang.Object key,
                            java.lang.Object updated)

  Description copied from interface: `IStateListener`
  Notifies that the model has had some kind of state or observation status change.

  Specified by:
    `stateChange` in interface `IStateListener`
  Parameters:
    `key` - the key
    `updated` - the updated

### modelActivated

    public void modelActivated(IModel model)

  Description copied from interface: `IModelWorkbenchListener`
  Notifies the listener that the given model has been activated, that is in foreground and controllable. The model is not necessarily focused, nor even visible. Models can be executing but not activated. Note that this assumes that any already activated model is now deactivated, and it the listener's responsibility to keep a reference to that prior model as appropriate. Only one model may be active at any one time.

  Specified by:
    `modelActivated` in interface `IModelWorkbenchListener`
  Parameters:
    `model` - The model that is currently activated, or null if no models are now active. This usually indicates that no models exist.

### modelAdded

    public void modelAdded(IModel model)

  Description copied from interface: `IModelWorkbenchListener`
  Model added.

  Specified by:
    `modelAdded` in interface `IModelWorkbenchListener`
  Parameters:
    `model` - the model

### modelRemoved

    public void modelRemoved(IModel model)

  Description copied from interface: `IModelWorkbenchListener`
  Model removed.

  Specified by:
    `modelRemoved` in interface `IModelWorkbenchListener`
  Parameters:
    `model` - the model

### viewActivated

    public void viewActivated(org.eclipse.ui.IWorkbenchPart part)

  Description copied from interface: `IModelWorkbenchListener`
  View activated.

  Specified by:
    `viewActivated` in interface `IModelWorkbenchListener`
  Parameters:
    `part` - the part

### viewAdded

    public void viewAdded(org.eclipse.ui.IWorkbenchPart part)

  Description copied from interface: `IModelWorkbenchListener`
  View added.

  Specified by:
    `viewAdded` in interface `IModelWorkbenchListener`
  Parameters:
    `part` - the part

### viewRemoved

    public void viewRemoved(org.eclipse.ui.IWorkbenchPart part)

  Description copied from interface: `IModelWorkbenchListener`
  View removed.

  Specified by:
    `viewRemoved` in interface `IModelWorkbenchListener`
  Parameters:
    `part` - the part

### observationEnding

    public void observationEnding(IObservationProvider observed)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model is about to be closed. The model should still be available for observation at this point.

  Specified by:
    `observationEnding` in interface `ILifeCycleListener`
  Parameters:
    `observed` - the model event

### observeCreate

    public void observeCreate(IObservationProvider observed)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model has been instantiated but has not yet been initialized. At this point it is appropriate to update settings and parameterizations.

  Specified by:
    `observeCreate` in interface `ILifeCycleListener`
  Parameters:
    `observed` - the model event

### observeInitialize

    public void observeInitialize(IObservationProvider observed)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model's initial state has been reached.

  Specified by:
    `observeInitialize` in interface `ILifeCycleListener`
  Parameters:
    `observed` - the observed

### observeStart

    public void observeStart(IObservationProvider observed)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model is just starting execution.

  Specified by:
    `observeStart` in interface `ILifeCycleListener`
  Parameters:
    `observed` - the model event

### observeStop

    public void observeStop(IObservationProvider observed)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model has stopped execution. This does not imply that the model is dead, simply that it will no longer be executing within the context of the life-cycle. In particular, a model may be re-initialized and re-started.

  Specified by:
    `observeStop` in interface `ILifeCycleListener`
  Parameters:
    `observed` - the model event

### observeUpdate

    public void observeUpdate(IObservationProvider observed)

  Description copied from interface: `ILifeCycleListener`
  Notifies that the model has completed one period of execution at the appropriate level of granularity. Currently this is always once every period but that will change when more control of update granularity is introduced.

  Specified by:
    `observeUpdate` in interface `ILifeCycleListener`
  Parameters:
    `observed` - the model event

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