IContentAssistantExtension4 (Eclipse Platform API Specification)

All Known Implementing Classes:

ContentAssistant, SubjectControlContentAssistant
```
public interface IContentAssistantExtension4
```
Extends IContentAssistant with the following function:
- allows to get a handler for the given command identifier
Since:

3.4

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  IHandler getHandler(String commandId)
  Returns the handler for the given command identifier.

- Method Detail
  - getHandler
```
IHandler getHandler(String commandId)
```
    Returns the handler for the given command identifier.
    The same handler instance will be returned when called a more than once with the same command identifier.
    
    Parameters:
    
    commandId - the command identifier
    
    Returns:
    
    the handler for the given command identifier
    
    Throws:
    
    IllegalArgumentException - if the command is not supported by this content assistant
    
    IllegalStateException - if called when this content assistant is uninstalled