Class WeightedAshwoodEntitySorter

java.lang.Object

org.apache.cayenne.ashwood.AshwoodEntitySorter

org.apache.cayenne.ashwood.WeightedAshwoodEntitySorter

All Implemented Interfaces:

EntitySorter

public class WeightedAshwoodEntitySorter
extends AshwoodEntitySorter

EntitySorter that takes into account entity "weights", and otherwise delegating to another (topological) sorter.

Since:

3.1, since 4.0 moved to cayenne-server from cayenne-lifecycle

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<DbEntity,Integer>	entityWeights

Fields inherited from class AshwoodEntitySorter

components, dbEntityComparator, entityResolver, objEntityComparator, reflexiveDbEntities

Modifier and Type	Field	Description
protected Map<DbEntity, org.apache.cayenne.ashwood.AshwoodEntitySorter.ComponentRecord>	components
protected Comparator<DbEntity>	dbEntityComparator
protected EntityResolver	entityResolver
protected Comparator<ObjEntity>	objEntityComparator
protected Map<DbEntity, List<DbRelationship>>	reflexiveDbEntities

Constructor Summary

Constructors

Constructor	Description
WeightedAshwoodEntitySorter()

Method Summary

Modifier and Type	Method	Description
protected void	addWeightForEntity(ObjEntity entity)
protected void	doIndexSorter()	Reindexes internal sorter without synchronization.
protected Comparator<DbEntity>	getDbEntityComparator(boolean dependantFirst)
protected Comparator<ObjEntity>	getObjEntityComparator(boolean dependantFirst)

Methods inherited from class AshwoodEntitySorter

buildDigraph, findReflexiveMaster, getDbEntityComparator, getObjEntityComparator, getReflexiveRelationshipsNames, indexSorter, isReflexive, setEntityResolver, sortDbEntities, sortObjectsForEntity, sortObjectsForEntity, sortObjEntities, topologicalSort

Modifier and Type	Method	Description
protected <E> Digraph<E,Boolean>	buildDigraph(ObjEntity objEntity, List<E> objects, Function<E, Persistent> converter)
protected Persistent	findReflexiveMaster(Persistent object, ObjRelationship toOneRel, String targetEntityName)
Comparator<DbEntity>	getDbEntityComparator()
Comparator<ObjEntity>	getObjEntityComparator()
protected String[]	getReflexiveRelationshipsNames(ObjEntity objEntity)
protected void	indexSorter()	Reindexes internal sorter in a thread-safe manner.
boolean	isReflexive(DbEntity metadata)
void	setEntityResolver(EntityResolver entityResolver)	Sets EntityResolver for this sorter.
void	sortDbEntities(List<DbEntity> dbEntities, boolean deleteOrder)	Sorts a list of DbEntities.
void	sortObjectsForEntity(ObjEntity objEntity, List<?> objects, boolean deleteOrder)	Sorts a list of objects belonging to the ObjEntity.
protected <E> void	sortObjectsForEntity(ObjEntity objEntity, List<E> objects, boolean deleteOrder, Function<E, Persistent> converter)
void	sortObjEntities(List<ObjEntity> objEntities, boolean deleteOrder)	Sorts a list of ObjEntities.
protected <E> boolean	topologicalSort(List<E> data, Digraph<E,Boolean> graph, boolean reverse)

Methods inherited from class Object

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

Field Details

entityWeights

protected Map<DbEntity,Integer> entityWeights

Constructor Details

WeightedAshwoodEntitySorter

public WeightedAshwoodEntitySorter()

Method Details

doIndexSorter

protected void doIndexSorter()

Description copied from class: AshwoodEntitySorter

Reindexes internal sorter without synchronization.

Overrides:

doIndexSorter in class AshwoodEntitySorter

addWeightForEntity

protected void addWeightForEntity(ObjEntity entity)

getDbEntityComparator

protected Comparator<DbEntity> getDbEntityComparator(boolean dependantFirst)

Overrides:

getDbEntityComparator in class AshwoodEntitySorter

getObjEntityComparator

protected Comparator<ObjEntity> getObjEntityComparator(boolean dependantFirst)

Overrides:

getObjEntityComparator in class AshwoodEntitySorter