de.lmu.ifi.dbs.elki.data.type

Class VectorTypeInformation<V extends FeatureVector<?>>

java.lang.Object

de.lmu.ifi.dbs.elki.data.type.SimpleTypeInformation<V>

de.lmu.ifi.dbs.elki.data.type.VectorTypeInformation<V>

Type Parameters:

V - Vector type

All Implemented Interfaces:

TypeInformation

Direct Known Subclasses:

MultivariateSeriesTypeInformation, VectorFieldTypeInformation

public class VectorTypeInformation<V extends FeatureVector<?>>
extends SimpleTypeInformation<V>

Construct a type information for vector spaces with fixed dimensionality.

Since:

0.4.0

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field and Description
private FeatureVector.Factory<V,?>	factory Object factory for producing new instances.
protected int	maxdim Maximum dimensionality.
protected int	mindim Minimum dimensionality.

Constructor Summary

Constructors

Constructor and Description
VectorTypeInformation(Class<? super V> cls, int mindim, int maxdim) Constructor for a type request.
VectorTypeInformation(FeatureVector.Factory<V,?> factory, ByteBufferSerializer<? super V> serializer, int mindim, int maxdim) Constructor for an actual type.

Method Summary

Methods

Modifier and Type	Method and Description
FeatureVector.Factory<V,?>	getFactory() Get the object type factory.
int	getMultiplicity() Get the multiplicity of the vector.
boolean	isAssignableFrom(Object other) Test whether this type is assignable from a given object instance.
boolean	isAssignableFromType(TypeInformation type) Test whether this type is assignable from another type.
int	maxdim() Get the maximum dimensionality of the occurring vectors.
int	mindim() Get the minimum dimensionality of the occurring vectors.
String	toString()
static <V extends FeatureVector<?>> VectorTypeInformation<V>	typeRequest(Class<? super V> cls) Constructor for a type request without dimensionality constraints.
static <V extends FeatureVector<?>> VectorTypeInformation<V>	typeRequest(Class<? super V> cls, int mindim, int maxdim) Constructor for a type request with dimensionality constraints.

Methods inherited from class de.lmu.ifi.dbs.elki.data.type.SimpleTypeInformation

cast, getLabel, getRestrictionClass, getSerializer, setSerializer

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

factory

private final FeatureVector.Factory<V extends FeatureVector<?>,?> factory

Object factory for producing new instances.

mindim

protected final int mindim

Minimum dimensionality.

maxdim

protected final int maxdim

Maximum dimensionality.

Constructor Detail

VectorTypeInformation

public VectorTypeInformation(Class<? super V> cls,
                     int mindim,
                     int maxdim)

Constructor for a type request.

Parameters:

cls - base class

mindim - Minimum dimensionality

maxdim - Maximum dimensionality

VectorTypeInformation

public VectorTypeInformation(FeatureVector.Factory<V,?> factory,
                     ByteBufferSerializer<? super V> serializer,
                     int mindim,
                     int maxdim)

Constructor for an actual type.

Parameters:

factory - Vector factory

serializer - Serializer

mindim - Minimum dimensionality

maxdim - Maximum dimensionality

Method Detail

typeRequest

public static <V extends FeatureVector<?>> VectorTypeInformation<V> typeRequest(Class<? super V> cls)

Constructor for a type request without dimensionality constraints.

Type Parameters:

V - vector type

Parameters:

cls - Class constraint

typeRequest

public static <V extends FeatureVector<?>> VectorTypeInformation<V> typeRequest(Class<? super V> cls,
                                                                int mindim,
                                                                int maxdim)

Constructor for a type request with dimensionality constraints.

Type Parameters:

V - vector type

Parameters:

cls - Class constraint

mindim - Minimum dimensionality

maxdim - Maximum dimensionality

isAssignableFromType

public boolean isAssignableFromType(TypeInformation type)

Description copied from interface: TypeInformation

Test whether this type is assignable from another type.

Specified by:

isAssignableFromType in interface TypeInformation

Overrides:

isAssignableFromType in class SimpleTypeInformation<V extends FeatureVector<?>>

Parameters:

type - Other type

Returns:

true when the other type is accepted as subtype.

isAssignableFrom

public boolean isAssignableFrom(Object other)

Description copied from interface: TypeInformation

Test whether this type is assignable from a given object instance.

Specified by:

isAssignableFrom in interface TypeInformation

Overrides:

isAssignableFrom in class SimpleTypeInformation<V extends FeatureVector<?>>

Parameters:

other - Other object

Returns:

true when the other type is an acceptable instance.

getFactory

public FeatureVector.Factory<V,?> getFactory()

Get the object type factory.

Returns:

the factory

mindim

public int mindim()

Get the minimum dimensionality of the occurring vectors.

Returns:

dimensionality

maxdim

public int maxdim()

Get the maximum dimensionality of the occurring vectors.

Returns:

dimensionality

getMultiplicity

public int getMultiplicity()

Get the multiplicity of the vector.

Returns:

Multiplicity 1 (except for subclasses)

toString

public String toString()

Overrides:

toString in class SimpleTypeInformation<V extends FeatureVector<?>>