IMementoAware (Eclipse Platform API Specification)

All Known Subinterfaces:

ICommonContentProvider, ICommonLabelProvider, IPipelinedTreeContentProvider, IPipelinedTreeContentProvider2

All Known Implementing Classes:

AbstractSynchronizationContentProvider, AbstractSynchronizationLabelProvider, CommonActionProvider, GoIntoActionProvider, NavigatorActionService, RefactoringSynchronizationActionProvider, SynchronizationActionProvider, SynchronizationContentProvider, SynchronizationLabelProvider
```
public interface IMementoAware
```
Clients may use mementos to persist interesting state between sessions. Clients should ensure that the memento keys are unique; generally by using the id of the content extension as a prefix.

Since:

3.2

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`restoreState(IMemento aMemento)`	Restore the previous state of any actions using the flags in aMemento.
`void`	`saveState(IMemento aMemento)`	Save flags in aMemento to remember the state of any actions that persist from session to session.

- Method Detail
  - restoreState
```
void restoreState(IMemento aMemento)
```
    Restore the previous state of any actions using the flags in aMemento. This method allows the state of any actions that persist from session to session to be restored.
    
    Parameters:
    
    aMemento - A memento that was given to the view part to restore its state.
  - saveState
```
void saveState(IMemento aMemento)
```
    Save flags in aMemento to remember the state of any actions that persist from session to session.
    
    Extensions should qualify any keys stored in the memento with their plugin id
    
    Parameters:
    
    aMemento - A memento that was given to the view part to save its state.