de.lmu.ifi.dbs.elki.database.datastore

Interface WritableDoubleDataStore

All Superinterfaces:

DataStore<java.lang.Double>, DoubleDataStore, WritableDataStore<java.lang.Double>

All Known Implementing Classes:

ArrayDoubleStore, MapIntegerDBIDDoubleStore

public interface WritableDoubleDataStore
extends DoubleDataStore, WritableDataStore<java.lang.Double>

Data store specialized for doubles. Avoids boxing/unboxing.

Since:

0.5.0

Author:

Erich Schubert

Method Summary

Modifier and Type	Method and Description
void	increment(DBIDRef id, double value) Increment the specified value with the specified id in this storage.
double	put(DBIDRef id, double value) Associates the specified value with the specified id in this storage.
java.lang.Double	put(DBIDRef id, java.lang.Double value) Deprecated. Use putDouble(de.lmu.ifi.dbs.elki.database.ids.DBIDRef, double) instead, to avoid boxing/unboxing cost.
double	putDouble(DBIDRef id, double value) Associates the specified value with the specified id in this storage.

Methods inherited from interface de.lmu.ifi.dbs.elki.database.datastore.DoubleDataStore

doubleValue, get

Methods inherited from interface de.lmu.ifi.dbs.elki.database.datastore.WritableDataStore

clear, delete, destroy

Method Detail

put

@Deprecated
java.lang.Double put(DBIDRef id,
                                 java.lang.Double value)

Deprecated. Use putDouble(de.lmu.ifi.dbs.elki.database.ids.DBIDRef, double) instead, to avoid boxing/unboxing cost.

Setter, but using objects.

Specified by:

put in interface WritableDataStore<java.lang.Double>

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

putDouble

double putDouble(DBIDRef id,
                 double value)

Associates the specified value with the specified id in this storage. If the storage previously contained a value for the id, the previous value is replaced by the specified value.

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

put

double put(DBIDRef id,
           double value)

Associates the specified value with the specified id in this storage. If the storage previously contained a value for the id, the previous value is replaced by the specified value.

Parameters:

id - Database ID.

value - Value to store.

Returns:

previous value

increment

void increment(DBIDRef id,
               double value)

Increment the specified value with the specified id in this storage.

Parameters:

id - Database ID.

value - Value to add to the previous value.