de.lmu.ifi.dbs.elki.database.ids

Interface DoubleDBIDList

All Superinterfaces:

DBIDs

All Known Subinterfaces:

IntegerDBIDKNNList, KNNList, ModifiableDoubleDBIDList

All Known Implementing Classes:

DoubleIntegerDBIDKNNList, DoubleIntegerDBIDList, DoubleIntegerDBIDListKNNHeap, DoubleIntegerDBIDPairKNNListHeap, DoubleIntegerDBIDPairList, IntegerDBIDKNNSubList, KNNSubList

public interface DoubleDBIDList
extends DBIDs

Collection of double values associated with objects. To iterate over the results, use the following code:

 for (DoubleDBIDListIter iter = result.iter(); iter.valid(); iter.advance()) {
   // You can get the distance via: iter.doubleValue();
   // And use iter just like any other DBIDRef
 }
 
 

If you are only interested in the IDs of the objects, the following is also sufficient:

 for (DBIDIter iter = result.iter(); iter.valid(); iter.advance()) {
   // Use iter just like any other DBIDRef
 }
 
 

Author:

Erich Schubert

Method Summary

Methods

Modifier and Type	Method and Description
DoubleDBIDPair	get(int off) Materialize a single pair.
DoubleDBIDListIter	iter() Get a DBID iterator (a more efficient API).
int	size() Retrieve the collection / data size.

Methods inherited from interface de.lmu.ifi.dbs.elki.database.ids.DBIDs

contains, isEmpty

Method Detail

size

int size()

Description copied from interface: DBIDs

Retrieve the collection / data size.

Specified by:

size in interface DBIDs

Returns:

collection size

get

DoubleDBIDPair get(int off)

Materialize a single pair.

Parameters:

off - Offset

Returns:

Pair

iter

DoubleDBIDListIter iter()

Description copied from interface: DBIDs

Get a DBID iterator (a more efficient API). usage example:

 for(DBIDIter iter = ids.iter(); iter.valid(); iter.advance()) {
   DBID id = iter.getDBID();
 }
 
 

Specified by:

iter in interface DBIDs

Returns:

iterator