IValidationCheckResultQuery (Eclipse Platform API Specification)

```
public interface IValidationCheckResultQuery
```
A query interface to decide if a undo change whose validation check returned a status unequal RefactoringStatus.OK should be executed or not.
Clients should be aware that the methods defined by this interface can be called from a non UI thread.

The interface may be implemented by clients.

Since:

3.0

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`proceed(RefactoringStatus status)`	Returns whether the undo proceeds or not.
`void`	`stopped(RefactoringStatus status)`	Called when the validation check returned a fatal error.

- Method Detail
  - proceed
```
boolean proceed(RefactoringStatus status)
```
    Returns whether the undo proceeds or not. This method is called if the validation check returned a status greater than OK and less than FATAL.
    
    Parameters:
    
    status - the refactoring status returned from Change.isValid(IProgressMonitor)
    
    Returns:
    
    true if the undo should proceed; false otherwise
  - stopped
```
void stopped(RefactoringStatus status)
```
    Called when the validation check returned a fatal error. In this case the undo can't proceed. The hook can be used to present a corresponding dialog to the user.
    
    Parameters:
    
    status - the refactoring status returned from Change.isValid(IProgressMonitor)