cz.encircled.joiner.query.join

Interface JoinGraphRegistry

All Known Implementing Classes:

DefaultJoinGraphRegistry

public interface JoinGraphRegistry

JoinGraph allows to predefine a set of joins for a specific class that can be added to a query using JoinerQuery.joinGraphs(String...)

Author:

Vlad on 15-Aug-16.

Method Summary

Modifier and Type	Method and Description
List<JoinDescription>	getJoinGraph(Class<?> clazz, Object name)
void	registerJoinGraph(Object graphName, Collection<JoinDescription> joins, Class<?>... rootClasses) Adds new join graph to the registry.

Method Detail

registerJoinGraph

void registerJoinGraph(Object graphName,
                       Collection<JoinDescription> joins,
                       Class<?>... rootClasses)

Adds new join graph to the registry.

Parameters:

graphName - graph unique name. Generally, any object may be used as a name, it should have correct hashCode method. String or enum is recommended.

joins - associated joins

rootClasses - target class for new join graph

getJoinGraph

List<JoinDescription> getJoinGraph(Class<?> clazz,
                                   Object name)

Parameters:

clazz - target class

name - join graph name

Returns:

collection of registered join graphs