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public interface DistanceQuery<O,D extends Distance<?>>
A distance query serves as adapter layer for database and primitive distances.
Field Summary |
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Fields inherited from interface de.lmu.ifi.dbs.elki.database.query.DatabaseQuery |
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HINT_BULK, HINT_EXACT, HINT_HEAVY_USE, HINT_NO_CACHE, HINT_OPTIMIZED_ONLY, HINT_SINGLE |
Method Summary | |
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D |
distance(DBID id1,
DBID id2)
Returns the distance between the two objects specified by their object ids. |
D |
distance(DBID id1,
O o2)
Returns the distance between the two objects specified by their object ids. |
D |
distance(O o1,
DBID id2)
Returns the distance between the two objects specified by their object ids. |
D |
distance(O o1,
O o2)
Returns the distance between the two objects specified by their object ids. |
D |
getDistanceFactory()
Method to get the distance functions factory. |
DistanceFunction<? super O,D> |
getDistanceFunction()
Get the inner distance function. |
Relation<? extends O> |
getRelation()
Access the underlying data query. |
D |
infiniteDistance()
Provides an infinite distance. |
D |
nullDistance()
Provides a null distance. |
D |
undefinedDistance()
Provides an undefined distance. |
Method Detail |
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D distance(DBID id1, DBID id2)
id1
- first object idid2
- second object id
D distance(O o1, DBID id2)
o1
- first objectid2
- second object id
D distance(DBID id1, O o2)
id1
- first object ido2
- second object
D distance(O o1, O o2)
o1
- first objecto2
- second object
D getDistanceFactory()
DistanceFunction<? super O,D> getDistanceFunction()
D infiniteDistance()
D nullDistance()
D undefinedDistance()
Relation<? extends O> getRelation()
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