Package org.apache.cayenne.ashwood

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 org.apache.cayenne.ashwood.AshwoodEntitySorter

components, dbEntityComparator, entityResolver, objEntityComparator, reflexiveDbEntities

Constructor Summary

Constructors

Constructor	Description
WeightedAshwoodEntitySorter(EntityResolver entityResolver)

Method Summary

Modifier and Type	Method	Description
protected void	addWeightForEntity(ObjEntity entity)
protected Comparator<DbEntity>	getDbEntityComparator(boolean dependantFirst)
protected Comparator<ObjEntity>	getObjEntityComparator(boolean dependantFirst)
void	reindex()	Rebuilds the internal index off the current state of the sorter's EntityResolver.

Methods inherited from class org.apache.cayenne.ashwood.AshwoodEntitySorter

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

Methods inherited from class java.lang.Object

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

Field Details

entityWeights

protected volatile Map<DbEntity,Integer> entityWeights

Constructor Details

WeightedAshwoodEntitySorter

public WeightedAshwoodEntitySorter(EntityResolver entityResolver)

Method Details

reindex

public void reindex()

Description copied from interface: EntitySorter

Rebuilds the internal index off the current state of the sorter's EntityResolver. Called when the set of entities changes.

Specified by:

reindex in interface EntitySorter

Overrides:

reindex 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