Package elki.database.relation

Interface DoubleRelation

All Superinterfaces:

ModifiableRelation<java.lang.Double>, Relation<java.lang.Double>

All Known Implementing Classes:

MaterializedDoubleRelation

public interface DoubleRelation
extends ModifiableRelation<java.lang.Double>

Interface for double-valued relations.

Since:

0.7.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	DoubleRelation.Consumer	Consumer for (DBIDRef, double) pairs.

Method Summary

Modifier and Type	Method	Description
double	doubleValue(DBIDRef id)	Get the representation of an object.
default void	forEachDouble(DoubleRelation.Consumer action)	Execute a function for each ID.
default java.lang.Double	get(DBIDRef id)	Deprecated. use doubleValue(elki.database.ids.DBIDRef) instead.
void	insert(DBIDRef id, java.lang.Double val)	Deprecated. use set(DBIDRef, double) instead.
void	set(DBIDRef id, double val)	Set an object representation.

Methods inherited from interface elki.database.relation.ModifiableRelation

delete

Methods inherited from interface elki.database.relation.Relation

forEach, getDataTypeInformation, getDBIDs, getLongName, iterDBIDs, size

Method Detail

doubleValue

double doubleValue(DBIDRef id)

Get the representation of an object.

Parameters:

id - Object ID

Returns:

object instance

get

@Deprecated
default java.lang.Double get(DBIDRef id)

Deprecated.

use doubleValue(elki.database.ids.DBIDRef) instead.

Description copied from interface: Relation

Get the representation of an object.

Specified by:

get in interface Relation<java.lang.Double>

Parameters:

id - Object ID

Returns:

object instance

set

void set(DBIDRef id,
         double val)

Set an object representation.

Parameters:

id - Object ID

val - Value

insert

@Deprecated
void insert(DBIDRef id,
            java.lang.Double val)

Deprecated.

use set(DBIDRef, double) instead.

Description copied from interface: ModifiableRelation

Set (or insert) an object representation.

Specified by:

insert in interface ModifiableRelation<java.lang.Double>

Parameters:

id - Object ID

val - Value

forEachDouble

default void forEachDouble(DoubleRelation.Consumer action)

Execute a function for each ID.

Parameters:

action - Action to execute