QueryManager (XWiki Platform - Query - Manager 15.2-rc-1 API)

```
@Role
public interface QueryManager
```
This interface encapsulates methods for the management of search queries and is similar to JCR's QueryManager.

Since:

1.6M1

Version:

$Id: 12cef636e62db22f284c460935de9fd584139d93 $

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Query`	`createQuery(String statement, String language)`	Create query for given statement and language.
`Set<String>`	`getLanguages()`
`Query`	`getNamedQuery(String queryName)`
`boolean`	`hasLanguage(String language)`

- Method Detail
  - createQuery
```
Query createQuery(String statement,
                  String language)
           throws QueryException
```
    Create query for given statement and language. Use createQuery("statement", Query.LANGUAGE). For example: createQuery("select doc.name from XWikiDocument doc", Query.HQL).
    
    Parameters:
    
    statement - query statement.
    
    language - language of the query. Must be one of getLanguages(). Use Query.LANGUAGE for indication.
    
    Returns:
    
    a Query object.
    
    Throws:
    
    QueryException - if language is not supported
  - getNamedQuery
```
Query getNamedQuery(String queryName)
             throws QueryException
```
    Parameters:
    
    queryName - name of named query.
    
    Returns:
    
    Query object.
    
    Throws:
    
    QueryException - if there is no query with that name
  - getLanguages
```
Set<String> getLanguages()
```
    Returns:
    
    supported languages.
  - hasLanguage
```
boolean hasLanguage(String language)
```
    Parameters:
    
    language - language to check.
    
    Returns:
    
    is language supported.