de.lmu.ifi.dbs.elki.data

Class IntegerVector

java.lang.Object

de.lmu.ifi.dbs.elki.data.AbstractNumberVector<IntegerVector,Integer>

de.lmu.ifi.dbs.elki.data.IntegerVector

All Implemented Interfaces:

FeatureVector<IntegerVector,Integer>, NumberVector<IntegerVector,Integer>, SpatialComparable, ByteBufferSerializer<IntegerVector>, InspectionUtilFrequentlyScanned, Parameterizable

public class IntegerVector
extends AbstractNumberVector<IntegerVector,Integer>
implements ByteBufferSerializer<IntegerVector>

An IntegerVector is to store integer values.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IntegerVector.Parameterizer Parameterization class

Field Summary

Fields

Modifier and Type	Field and Description
static IntegerVector	STATIC Static instance (object factory)
private int[]	values Keeps the values of the real vector

Fields inherited from class de.lmu.ifi.dbs.elki.data.AbstractNumberVector

ATTRIBUTE_SEPARATOR

Constructor Summary

Constructors

Modifier	Constructor and Description
	IntegerVector(int[] values) Provides an IntegerVector consisting of the given integer values.
private	IntegerVector(int[] values, boolean nocopy) Private constructor.

Method Summary

Methods

Modifier and Type	Method and Description
double	doubleValue(int dimension) Returns the value of the specified attribute.
IntegerVector	fromByteBuffer(ByteBuffer buffer) Deserialize an object from a byte buffer (e.g. disk)
int	getByteSize(IntegerVector vec) Get the size of the object in bytes.
Vector	getColumnVector() Returns a Vector representing in one column and getDimensionality() rows the values of this NumberVector of V.
int	getDimensionality() The dimensionality of the vector space where of this FeatureVector of V is an element.
Integer	getValue(int dimension) Returns the value of the specified attribute.
int[]	getValues() Get a copy of the raw int[] array.
long	longValue(int dimension) Returns the value of the specified attribute as long.
<A> IntegerVector	newFeatureVector(A array, ArrayAdapter<Integer,A> adapter) Returns a new FeatureVector of V for the given values.
<A> IntegerVector	newNumberVector(A array, NumberArrayAdapter<?,A> adapter) Instantiate from any number-array like object.
void	toByteBuffer(ByteBuffer buffer, IntegerVector vec) Serialize the object to a byte array (e.g. disk)
String	toString() Returns a String representation of the FeatureVector of V as a line that is suitable to be printed in a sequential file.

Methods inherited from class de.lmu.ifi.dbs.elki.data.AbstractNumberVector

byteValue, equals, floatValue, getMax, getMin, hashCode, intValue, newNumberVector, shortValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

STATIC

public static final IntegerVector STATIC

Static instance (object factory)

values

private int[] values

Keeps the values of the real vector

Constructor Detail

IntegerVector

private IntegerVector(int[] values,
             boolean nocopy)

Private constructor. NOT for public use.

IntegerVector

public IntegerVector(int[] values)

Provides an IntegerVector consisting of the given integer values.

Parameters:

values - the values to be set as values of the IntegerVector

Method Detail

getDimensionality

public int getDimensionality()

Description copied from interface: FeatureVector

The dimensionality of the vector space where of this FeatureVector of V is an element.

Specified by:

getDimensionality in interface FeatureVector<IntegerVector,Integer>

Specified by:

getDimensionality in interface SpatialComparable

Returns:

the number of dimensions of this FeatureVector of V

getValue

public Integer getValue(int dimension)

Returns the value of the specified attribute.

Specified by:

getValue in interface FeatureVector<IntegerVector,Integer>

Parameters:

dimension - the selected attribute. Attributes are counted starting with 1.

Returns:

the value in the specified dimension

Throws:

IllegalArgumentException - if the specified dimension is out of range of the possible attributes

doubleValue

public double doubleValue(int dimension)

Returns the value of the specified attribute.

Specified by:

doubleValue in interface NumberVector<IntegerVector,Integer>

Parameters:

dimension - the selected attribute. Attributes are counted starting with 1.

Returns:

the value in the specified dimension

Throws:

IllegalArgumentException - if the specified dimension is out of range of the possible attributes

longValue

public long longValue(int dimension)

Returns the value of the specified attribute as long.

Specified by:

longValue in interface NumberVector<IntegerVector,Integer>

Parameters:

dimension - the selected attribute. Attributes are counted starting with 1.

Returns:

the value in the specified dimension

Throws:

IllegalArgumentException - if the specified dimension is out of range of the possible attributes

getValues

public int[] getValues()

Get a copy of the raw int[] array.

Returns:

copy of values array.

getColumnVector

public Vector getColumnVector()

Description copied from interface: NumberVector

Returns a Vector representing in one column and getDimensionality() rows the values of this NumberVector of V.

Specified by:

getColumnVector in interface NumberVector<IntegerVector,Integer>

Returns:

a Matrix representing in one column and getDimensionality() rows the values of this NumberVector of V

toString

public String toString()

Description copied from interface: FeatureVector

Returns a String representation of the FeatureVector of V as a line that is suitable to be printed in a sequential file.

Specified by:

toString in interface FeatureVector<IntegerVector,Integer>

Overrides:

toString in class Object

Returns:

a String representation of the FeatureVector of V

newFeatureVector

public <A> IntegerVector newFeatureVector(A array,
                                 ArrayAdapter<Integer,A> adapter)

Description copied from interface: FeatureVector

Returns a new FeatureVector of V for the given values.

Specified by:

newFeatureVector in interface FeatureVector<IntegerVector,Integer>

Type Parameters:

A - Array type

Parameters:

array - the values of the featureVector

adapter - adapter class

Returns:

a new FeatureVector of V for the given values

newNumberVector

public <A> IntegerVector newNumberVector(A array,
                                NumberArrayAdapter<?,A> adapter)

Description copied from interface: NumberVector

Instantiate from any number-array like object.

Specified by:

newNumberVector in interface NumberVector<IntegerVector,Integer>

Type Parameters:

A - Array type

Parameters:

array - Array

adapter - Adapter

Returns:

a new NumberVector of N for the given values.

fromByteBuffer

public IntegerVector fromByteBuffer(ByteBuffer buffer)
                             throws IOException

Description copied from interface: ByteBufferSerializer

Deserialize an object from a byte buffer (e.g. disk)

Specified by:

fromByteBuffer in interface ByteBufferSerializer<IntegerVector>

Parameters:

buffer - Data array to process

Returns:

Deserialized object

Throws:

IOException

toByteBuffer

public void toByteBuffer(ByteBuffer buffer,
                IntegerVector vec)
                  throws IOException

Description copied from interface: ByteBufferSerializer

Serialize the object to a byte array (e.g. disk)

Specified by:

toByteBuffer in interface ByteBufferSerializer<IntegerVector>

Parameters:

buffer - Buffer to serialize to

vec - Object to serialize

Throws:

IOException

getByteSize

public int getByteSize(IntegerVector vec)

Description copied from interface: ByteBufferSerializer

Get the size of the object in bytes.

Specified by:

getByteSize in interface ByteBufferSerializer<IntegerVector>

Parameters:

vec - Object to serialize

Returns:

maximum size in serialized form