Interface QueryEnhancerFactory

public interface QueryEnhancerFactory

Encapsulates different strategies for the creation of a QueryEnhancer from a ParametrizedQuery.

Since:

4.0

Author:

Diego Krupitza, Greg Turnquist, Mark Paluch, Christoph Strobl

Method Summary

Modifier and Type	Method	Description
QueryEnhancer	create(QueryProvider query)	Creates a new QueryEnhancer for the given query.
static QueryEnhancerFactory	forQuery(DeclaredQuery query)	Creates a new QueryEnhancerFactory for the given DeclaredQuery.
boolean	supports(DeclaredQuery query)	Returns whether this QueryEnhancerFactory supports the given DeclaredQuery.

Method Details

supports

boolean supports(DeclaredQuery query)

Returns whether this QueryEnhancerFactory supports the given DeclaredQuery.

Parameters:

query - the query to be enhanced and introspected.

Returns:

true if this QueryEnhancer supports the given query; false otherwise.

create

QueryEnhancer create(QueryProvider query)

Creates a new QueryEnhancer for the given query.

Parameters:

query - the query to be enhanced and introspected.

Returns:

the query enhancer to be used.

forQuery

static QueryEnhancerFactory forQuery(DeclaredQuery query)

Creates a new QueryEnhancerFactory for the given DeclaredQuery.

Parameters:

query - must not be null.

Returns:

an implementation of QueryEnhancer that suits the query the most