Package cz.encircled.joiner.query.join

Class DefaultJoinGraphRegistry

java.lang.Object

cz.encircled.joiner.query.join.DefaultJoinGraphRegistry

All Implemented Interfaces:

JoinGraphRegistry

public class DefaultJoinGraphRegistry
extends Object
implements JoinGraphRegistry

ConcurrentHashMap-based implementation of JoinGraphRegistry

Author:

Vlad on 15-Aug-16.

Constructor Summary

Constructors

Constructor	Description
DefaultJoinGraphRegistry()

Method Summary

Modifier and Type	Method	Description
Map<Object,List<JoinDescription>>	getAllJoinGraphs(Class<?> clazz)
List<JoinDescription>	getJoinGraph(Class<?> clazz, Object name)
void	registerJoinGraph(Object graphName, Collection<JoinDescription> joins, Class<?>... rootClasses)	Adds new join graph to the registry.
void	registerOrReplaceJoinGraph(Object graphName, Collection<JoinDescription> joins, Class<?>... rootClasses)	Adds new join graph to the registry or replace an existing one.
void	replaceJoinGraph(Object graphName, Collection<JoinDescription> joins, Class<?>... rootClasses)	Replace an existing join graph with a new one

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DefaultJoinGraphRegistry

public DefaultJoinGraphRegistry()

Method Details

registerJoinGraph

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

Description copied from interface: JoinGraphRegistry

Adds new join graph to the registry.

Specified by:

registerJoinGraph in interface JoinGraphRegistry

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 a new join graph

replaceJoinGraph

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

Description copied from interface: JoinGraphRegistry

Replace an existing join graph with a new one

Specified by:

replaceJoinGraph in interface JoinGraphRegistry

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 a new join graph

registerOrReplaceJoinGraph

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

Description copied from interface: JoinGraphRegistry

Adds new join graph to the registry or replace an existing one.

Specified by:

registerOrReplaceJoinGraph in interface JoinGraphRegistry

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 a new join graph

getJoinGraph

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

Specified by:

getJoinGraph in interface JoinGraphRegistry

Parameters:

clazz - target class

name - join graph name

Returns:

collection of registered join graphs

getAllJoinGraphs

public Map<Object,List<JoinDescription>> getAllJoinGraphs(Class<?> clazz)

Specified by:

getAllJoinGraphs in interface JoinGraphRegistry

Parameters:

clazz - target class

Returns:

map of all registered join graphs