SpellChecker (Apache Jackrabbit 2.23.1-beta API)

```
public interface SpellChecker
```
SpellChecker defines an interface to run a spellchecker over a fulltext query statement.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`check(QueryRootNode aqt)`	Runs the spell checker over the first spellcheck relation query node in the abstract query tree and returns a suggestion in case this spellchecker thinks the words are misspelled.
`void`	`close()`	Closes this spell checker and allows it to free resources.
`void`	`init(QueryHandler handler)`	Initializes this spell checker with an abstract query tree.

- Method Detail
  - init
```
void init(QueryHandler handler)
   throws IOException
```
    Initializes this spell checker with an abstract query tree.
    
    Parameters:
    
    handler - the query handler that created this spell checker.
    
    Throws:
    
    IOException - if an error occurs while initializing the spell checker.
  - check
```
String check(QueryRootNode aqt)
      throws IOException
```
    Runs the spell checker over the first spellcheck relation query node in the abstract query tree and returns a suggestion in case this spellchecker thinks the words are misspelled. If the spellchecker determines that the words are spelled correctly null is returned.
    
    Parameters:
    
    aqt - the abstract query tree, which may contain a relation query node with a spellcheck operation.
    
    Returns:
    
    a suggestion or null if this spell checker determines that the fulltext query statement is spelled correctly.
    
    Throws:
    
    IOException
  - close
```
void close()
```
    Closes this spell checker and allows it to free resources.