org.springframework.data.repository.core

Interface NamedQueries

All Known Implementing Classes:

PropertiesBasedNamedQueries

public interface NamedQueries

Abstraction of a map of NamedQueries that can be looked up by their names.

Author:

Oliver Gierke

Method Summary

Modifier and Type	Method and Description
String	getQuery(String queryName) Returns the named query with the given name.
boolean	hasQuery(String queryName) Returns whether the map contains a named query for the given name.

Method Detail

hasQuery

boolean hasQuery(String queryName)

Returns whether the map contains a named query for the given name. If this method returns true you can expect getQuery(String) to return a non-null query for the very same name.

Parameters:

queryName - must not be null or empty.

Returns:

Throws:

IllegalArgumentException - in case the given name is null or empty.

getQuery

String getQuery(String queryName)

Returns the named query with the given name.

Parameters:

queryName - must not be null or empty.

Returns:

Throws:

IllegalArgumentException - in case no query with the given name exists.