Package org.apache.cayenne.ashwood
Class AshwoodEntitySorter
java.lang.Object
org.apache.cayenne.ashwood.AshwoodEntitySorter
- All Implemented Interfaces:
EntitySorter
- Direct Known Subclasses:
WeightedAshwoodEntitySorter
public class AshwoodEntitySorter extends Object implements EntitySorter
Implements dependency sorting algorithms for ObjEntities, DbEntities and
DataObjects. Presently it works for acyclic database schemas with possible
multi-reflexive tables.
- Since:
- 3.1
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Field Summary
Fields 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
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Constructor Summary
Constructors Constructor Description AshwoodEntitySorter()
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Method Summary
Modifier and Type Method Description protected void
doIndexSorter()
Reindexes internal sorter without synchronization.protected Object
findReflexiveMaster(Persistent object, ObjRelationship toOneRel, String targetEntityName)
protected Comparator<DbEntity>
getDbEntityComparator(boolean dependantFirst)
protected Comparator<ObjEntity>
getObjEntityComparator(boolean dependantFirst)
protected void
indexSorter()
Reindexes internal sorter in a thread-safe manner.protected 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.void
sortObjEntities(List<ObjEntity> objEntities, boolean deleteOrder)
Sorts a list of ObjEntities.
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Field Details
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entityResolver
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components
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reflexiveDbEntities
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dbEntityComparator
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objEntityComparator
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Constructor Details
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AshwoodEntitySorter
public AshwoodEntitySorter()
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Method Details
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indexSorter
protected void indexSorter()Reindexes internal sorter in a thread-safe manner. -
doIndexSorter
protected void doIndexSorter()Reindexes internal sorter without synchronization. -
setEntityResolver
Description copied from interface:EntitySorter
Sets EntityResolver for this sorter. All entities present in the resolver will be used to determine sort ordering.- Specified by:
setEntityResolver
in interfaceEntitySorter
- Since:
- 3.1
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sortDbEntities
Description copied from interface:EntitySorter
Sorts a list of DbEntities.- Specified by:
sortDbEntities
in interfaceEntitySorter
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sortObjEntities
Description copied from interface:EntitySorter
Sorts a list of ObjEntities.- Specified by:
sortObjEntities
in interfaceEntitySorter
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sortObjectsForEntity
Description copied from interface:EntitySorter
Sorts a list of objects belonging to the ObjEntity.- Specified by:
sortObjectsForEntity
in interfaceEntitySorter
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findReflexiveMaster
protected Object findReflexiveMaster(Persistent object, ObjRelationship toOneRel, String targetEntityName) -
getDbEntityComparator
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getObjEntityComparator
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isReflexive
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