org.djunits.value.vdouble.vector

Class DoubleVector<U extends Unit<U>>

java.lang.Object

org.djunits.value.AbstractValue<U>

org.djunits.value.vdouble.vector.DoubleVector<U>

Type Parameters:

U - Unit the unit for which this Vector will be created

All Implemented Interfaces:

Serializable, Value<U>, DoubleVectorInterface<U>

Direct Known Subclasses:

DoubleVector.Abs, DoubleVector.Rel, MutableDoubleVector

public abstract class DoubleVector<U extends Unit<U>>
extends AbstractValue<U>
implements DoubleVectorInterface<U>, Serializable

Immutable DoubleVector.

Copyright (c) 2015 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See DJUNITS License.

$LastChangedDate: 2015-10-07 11:22:40 +0200 (Wed, 07 Oct 2015) $, @version $Revision: 90 $, by $Author: averbraeck $, initial version 30 Oct, 2015

Author:

Alexander Verbraeck, Peter Knoppers

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DoubleVector.Abs<U extends Unit<U>>
static class	DoubleVector.Rel<U extends Unit<U>>

Field Summary

Fields

Modifier and Type	Field and Description
protected org.djunits.value.vdouble.vector.DoubleVectorData	data The stored data as an object, can be sparse or dense.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DoubleVector(U unit) Construct a new Absolute Immutable DoubleVector.

Method Summary

Modifier and Type	Method and Description
int	cardinality() Count the number of cells that have a non-zero value (ignores tolerance).
protected void	checkIndex(int index) Check that a provided index is valid.
protected void	checkSize(double[] other) Centralized size equality check.
protected void	checkSize(DoubleVector<?> other) Centralized size equality check.
boolean	equals(Object obj)
protected abstract org.djunits.value.vdouble.vector.DoubleVectorData	getData()
double	getInUnit(int index) Retrieve the value stored at a specified position in the original unit.
double	getInUnit(int index, U targetUnit) Retrieve the value stored at a specified position converted into a specified unit.
double	getSI(int index) Retrieve the value stored at a specified position in the standard SI unit.
double[]	getValuesInUnit() Create a double[] array filled with the values in the original unit.
double[]	getValuesInUnit(U targetUnit) Create a double[] array filled with the values converted into a specified unit.
double[]	getValuesSI() Create a double[] array filled with the values in the standard SI unit.
int	hashCode()
protected DoubleVectorDataSparse	initializeSparse(SortedMap<Integer,Double> values, int length) Import the values from a sparse map of integers and values.
protected DoubleVectorDataSparse	initializeSparseMA(SortedMap<Integer,DoubleScalar.Abs<U>> values, int length) Import the values from a sparse map of integers and values.
protected DoubleVectorDataSparse	initializeSparseMR(SortedMap<Integer,DoubleScalar.Rel<U>> values, int length) Import the values from a sparse map of integers and values.
protected double	safeGet(int index) Retrieve a value in vectorSI without checking validity of the index.
protected void	safeSet(int index, double valueSI) Modify a value in vectorSI without checking validity of the index.
int	size() Retrieve the size of the vector.
String	toString()
String	toString(boolean verbose, boolean withUnit) Print this DoubleVector with optional type and unit information.
String	toString(U displayUnit) Print this DoubleVector with the values expressed in the specified unit.
String	toString(U displayUnit, boolean verbose, boolean withUnit) Print this DoubleVector with the values expressed in the specified unit.
double	zSum() Compute the sum of all values of this vector.

Methods inherited from class org.djunits.value.AbstractValue

expressAsSIUnit, expressAsSpecifiedUnit, getUnit, isAbsolute, isRelative

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.djunits.value.vdouble.vector.DoubleVectorInterface

get, mutable, toDense, toSparse

Field Detail

data

protected org.djunits.value.vdouble.vector.DoubleVectorData data

The stored data as an object, can be sparse or dense.

Constructor Detail

DoubleVector

protected DoubleVector(U unit)

Construct a new Absolute Immutable DoubleVector.

Parameters:

unit - U; the unit of the new Absolute Immutable DoubleVector

Method Detail

getData

protected abstract org.djunits.value.vdouble.vector.DoubleVectorData getData()

Returns:

the internal data -- can only be used within package.

initializeSparse

protected final DoubleVectorDataSparse initializeSparse(SortedMap<Integer,Double> values,
                                                        int length)

Import the values from a sparse map of integers and values.

Parameters:

values - Map<Integer, Double>; the values

length - the size of the vector

Returns:

the sparse vector

initializeSparseMA

protected final DoubleVectorDataSparse initializeSparseMA(SortedMap<Integer,DoubleScalar.Abs<U>> values,
                                                          int length)

Import the values from a sparse map of integers and values.

Parameters:

values - Map<Integer, Double>; the values

length - the size of the vector

Returns:

the sparse vector

initializeSparseMR

protected final DoubleVectorDataSparse initializeSparseMR(SortedMap<Integer,DoubleScalar.Rel<U>> values,
                                                          int length)

Import the values from a sparse map of integers and values.

Parameters:

values - Map<Integer, Double>; the values

length - the size of the vector

Returns:

the sparse vector

getValuesSI

public final double[] getValuesSI()

Create a double[] array filled with the values in the standard SI unit.

Specified by:

getValuesSI in interface DoubleVectorInterface<U extends Unit<U>>

Returns:

double[]; array of values in the standard SI unit

getValuesInUnit

public final double[] getValuesInUnit()

Create a double[] array filled with the values in the original unit.

Specified by:

getValuesInUnit in interface DoubleVectorInterface<U extends Unit<U>>

Returns:

double[]; the values in the original unit

getValuesInUnit

public final double[] getValuesInUnit(U targetUnit)

Create a double[] array filled with the values converted into a specified unit.

Specified by:

getValuesInUnit in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

targetUnit - U; the unit into which the values are converted for use

Returns:

double[]; the values converted into the specified unit

size

public final int size()

Retrieve the size of the vector.

Specified by:

size in interface DoubleVectorInterface<U extends Unit<U>>

Returns:

int; the size of the vector

checkIndex

protected final void checkIndex(int index)
                         throws ValueException

Check that a provided index is valid.

Parameters:

index - int; the value to check

Throws:

ValueException - when index is invalid

getSI

public final double getSI(int index)
                   throws ValueException

Retrieve the value stored at a specified position in the standard SI unit.

Specified by:

getSI in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

index - int; index of the value to retrieve

Returns:

double; value at position index in the standard SI unit

Throws:

ValueException - when index out of range (index < 0 or index >= size())

getInUnit

public final double getInUnit(int index)
                       throws ValueException

Retrieve the value stored at a specified position in the original unit.

Specified by:

getInUnit in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

index - int; index of the value to retrieve

Returns:

double; value at position index in the original unit

Throws:

ValueException - when index out of range (index < 0 or index >= size())

getInUnit

public final double getInUnit(int index,
                              U targetUnit)
                       throws ValueException

Retrieve the value stored at a specified position converted into a specified unit.

Specified by:

getInUnit in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

index - int; index of the value to retrieve

targetUnit - U; the unit for the result

Returns:

double; value at position index converted into the specified unit

Throws:

ValueException - when index out of range (index < 0 or index >= size())

zSum

public final double zSum()

Compute the sum of all values of this vector.

Specified by:

zSum in interface DoubleVectorInterface<U extends Unit<U>>

Returns:

double; the sum of all values of this vector

cardinality

public final int cardinality()

Count the number of cells that have a non-zero value (ignores tolerance).

Specified by:

cardinality in interface DoubleVectorInterface<U extends Unit<U>>

Returns:

int; the number of cells having non-zero value

toString

public final String toString()

Specified by:

toString in interface DoubleVectorInterface<U extends Unit<U>>

Overrides:

toString in class Object

Returns:

a String with the Vector, non-verbose, with the unit attached.

toString

public final String toString(U displayUnit)

Print this DoubleVector with the values expressed in the specified unit.

Specified by:

toString in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

displayUnit - U; the unit into which the values are converted for display

Returns:

String; printable string with the vector contents expressed in the specified unit

toString

public final String toString(boolean verbose,
                             boolean withUnit)

Print this DoubleVector with optional type and unit information.

Specified by:

toString in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

verbose - boolean; if true; include type info; if false; exclude type info

withUnit - boolean; if true; include the unit; of false; exclude the unit

Returns:

String; printable string with the vector contents

toString

public final String toString(U displayUnit,
                             boolean verbose,
                             boolean withUnit)

Print this DoubleVector with the values expressed in the specified unit.

Specified by:

toString in interface DoubleVectorInterface<U extends Unit<U>>

Parameters:

displayUnit - U; the unit into which the values are converted for display

verbose - boolean; if true; include type info; if false; exclude type info

withUnit - boolean; if true; include the unit; of false; exclude the unit

Returns:

String; printable string with the vector contents

checkSize

protected final void checkSize(DoubleVector<?> other)
                        throws ValueException

Centralized size equality check.

Parameters:

other - DoubleVector<?>; other DoubleVector

Throws:

ValueException - when other is null, or vectors have unequal size

checkSize

protected final void checkSize(double[] other)
                        throws ValueException

Centralized size equality check.

Parameters:

other - double[]; array of double

Throws:

ValueException - when vectors have unequal size

safeGet

protected final double safeGet(int index)

Retrieve a value in vectorSI without checking validity of the index.

Parameters:

index - int; the index

Returns:

double; the value stored at that index

safeSet

protected final void safeSet(int index,
                             double valueSI)

Modify a value in vectorSI without checking validity of the index.

Parameters:

index - int; the index

valueSI - double; the new value for the entry in vectorSI

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object