Package org.apache.cayenne.ashwood
Class AshwoodEntitySorter
- java.lang.Object
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- org.apache.cayenne.ashwood.AshwoodEntitySorter
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- 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>componentsprotected Comparator<DbEntity>dbEntityComparatorprotected EntityResolverentityResolverprotected Comparator<ObjEntity>objEntityComparatorprotected Map<DbEntity,List<DbRelationship>>reflexiveDbEntities
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Constructor Summary
Constructors Constructor Description AshwoodEntitySorter()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected voiddoIndexSorter()Reindexes internal sorter without synchronization.protected ObjectfindReflexiveMaster(Persistent object, ObjRelationship toOneRel, String targetEntityName)protected Comparator<DbEntity>getDbEntityComparator(boolean dependantFirst)protected Comparator<ObjEntity>getObjEntityComparator(boolean dependantFirst)protected voidindexSorter()Reindexes internal sorter in a thread-safe manner.protected booleanisReflexive(DbEntity metadata)voidsetEntityResolver(EntityResolver entityResolver)Sets EntityResolver for this sorter.voidsortDbEntities(List<DbEntity> dbEntities, boolean deleteOrder)Sorts a list of DbEntities.voidsortObjectsForEntity(ObjEntity objEntity, List<?> objects, boolean deleteOrder)Sorts a list of objects belonging to the ObjEntity.voidsortObjEntities(List<ObjEntity> objEntities, boolean deleteOrder)Sorts a list of ObjEntities.
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Field Detail
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entityResolver
protected EntityResolver entityResolver
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components
protected Map<DbEntity,org.apache.cayenne.ashwood.AshwoodEntitySorter.ComponentRecord> components
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reflexiveDbEntities
protected Map<DbEntity,List<DbRelationship>> reflexiveDbEntities
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dbEntityComparator
protected Comparator<DbEntity> dbEntityComparator
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objEntityComparator
protected Comparator<ObjEntity> objEntityComparator
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Method Detail
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indexSorter
protected void indexSorter()
Reindexes internal sorter in a thread-safe manner.
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doIndexSorter
protected void doIndexSorter()
Reindexes internal sorter without synchronization.
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setEntityResolver
public void setEntityResolver(EntityResolver entityResolver)
Description copied from interface:EntitySorterSets EntityResolver for this sorter. All entities present in the resolver will be used to determine sort ordering.- Specified by:
setEntityResolverin interfaceEntitySorter- Since:
- 3.1
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sortDbEntities
public void sortDbEntities(List<DbEntity> dbEntities, boolean deleteOrder)
Description copied from interface:EntitySorterSorts a list of DbEntities.- Specified by:
sortDbEntitiesin interfaceEntitySorter
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sortObjEntities
public void sortObjEntities(List<ObjEntity> objEntities, boolean deleteOrder)
Description copied from interface:EntitySorterSorts a list of ObjEntities.- Specified by:
sortObjEntitiesin interfaceEntitySorter
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sortObjectsForEntity
public void sortObjectsForEntity(ObjEntity objEntity, List<?> objects, boolean deleteOrder)
Description copied from interface:EntitySorterSorts a list of objects belonging to the ObjEntity.- Specified by:
sortObjectsForEntityin interfaceEntitySorter
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findReflexiveMaster
protected Object findReflexiveMaster(Persistent object, ObjRelationship toOneRel, String targetEntityName)
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getDbEntityComparator
protected Comparator<DbEntity> getDbEntityComparator(boolean dependantFirst)
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getObjEntityComparator
protected Comparator<ObjEntity> getObjEntityComparator(boolean dependantFirst)
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isReflexive
protected boolean isReflexive(DbEntity metadata)
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