Package org.apache.sis.math

Class ConcatenatedVector

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<Number>

org.apache.sis.math.Vector

org.apache.sis.math.ConcatenatedVector

All Implemented Interfaces:

Serializable, Iterable<Number>, Collection<Number>, List<Number>, RandomAccess

final class ConcatenatedVector
extends Vector
implements Serializable

A vector which is the concatenation of two other vectors.

Since:

0.8

Version:

1.1

Field Summary

Fields

Modifier and Type	Field	Description
private final Vector	first	The vectors to concatenate.
private final int	limit	The length of the first vector.
private final Vector	second	The vectors to concatenate.
private static final long	serialVersionUID	For cross-version compatibility.

Fields inherited from class org.apache.sis.math.Vector

PRIME

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
ConcatenatedVector(Vector first, Vector second)	Creates a concatenated vector.

Method Summary

Modifier and Type	Method	Description
byte	byteValue(int index)	Returns the value at the given index.
(package private) Vector	createConcatenate(Vector toAppend)	Delegates to the backing vectors since there is a chance that they override their concatenate method with a more efficient implementation.
(package private) Vector	createSubSampling(int first, int step, int length)	Delegates to the backing vectors if possible.
(package private) Vector	createTransform(double scale, double offset)	Delegates to the backing vectors since there is a chance that they override their transform method with a more efficient implementation.
double	doubleValue(int index)	Returns the value at the given index.
void	fill(int fromIndex, int toIndex, Number value)	Sets a range of elements to the given number.
float	floatValue(int index)	Returns the value at the given index.
Number	get(int index)	Returns the value at the given index.
Class<? extends Number>	getElementType()	Returns the parent type of the two vectors.
Number	increment(double tolerance)	Returns the increment between all consecutive values if this increment is constant, or null otherwise.
int	intValue(int index)	Returns the value at the given index.
boolean	isEmptyOrNaN()	Returns true if this vector is empty or contains only NaN values.
boolean	isInteger()	Returns true if this vector contains only integer values.
boolean	isNaN(int index)	Returns true if the value at the given index is NaN.
boolean	isUnsigned()	Returns true only if both vectors are unsigned.
long	longValue(int index)	Returns the value at the given index.
NumberRange<?>	range()	Computes the minimal and maximal values in this vector.
Number	set(int index, Number value)	Sets the value at the given index.
short	shortValue(int index)	Returns the value at the given index.
int	size()	Returns the length of this vector.
String	stringValue(int index)	Returns the string representation at the given index.

Methods inherited from class org.apache.sis.math.Vector

backingVector, buffer, compress, concatenate, copy, create, create, createForDecimal, createSequence, createSequence, doubleValues, equals, equals, floatValues, hashCode, indexOf, isSinglePrecision, pick, range, repeat, repetitions, reverse, subList, subSampling, subtract, toBacking, toString, transform, warning

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

addAll, contains, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Field Details

serialVersionUID

private static final long serialVersionUID

For cross-version compatibility.

See Also:

• Constant Field Values

first

private final Vector first

The vectors to concatenate.

second

private final Vector second

The vectors to concatenate.

limit

private final int limit

The length of the first vector.

Constructor Details

ConcatenatedVector

public ConcatenatedVector(Vector first,
 Vector second)

Creates a concatenated vector.

Parameters:

first - the vector for the lower indices.

second - the vector for the higher indices.

Method Details

getElementType

public Class<? extends Number> getElementType()

Returns the parent type of the two vectors.

Specified by:

getElementType in class Vector

Returns:

the type of elements in this vector.

See Also:

• CheckedContainer.getElementType()

isInteger

public boolean isInteger()

Returns true if this vector contains only integer values.

Overrides:

isInteger in class Vector

Returns:

true if this vector contains only integer values.

isUnsigned

public boolean isUnsigned()

Returns true only if both vectors are unsigned.

Overrides:

isUnsigned in class Vector

Returns:

true if the integer values shall be interpreted as unsigned values.

size

public int size()

Returns the length of this vector.

Specified by:

size in interface Collection<Number>

Specified by:

size in interface List<Number>

Specified by:

size in class Vector

Returns:

the number of elements in this vector.

isEmptyOrNaN

public boolean isEmptyOrNaN()

Returns true if this vector is empty or contains only NaN values.

Overrides:

isEmptyOrNaN in class Vector

Returns:

whether this vector is empty or contains only NaN values.

isNaN

public boolean isNaN(int index)
              throws IndexOutOfBoundsException

Returns true if the value at the given index is NaN.

Specified by:

isNaN in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

true if the value at the given index is NaN.

Throws:

IndexOutOfBoundsException - if the given index is out of bounds.

doubleValue

public double doubleValue(int index)

Returns the value at the given index.

Specified by:

doubleValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index.

See Also:

• Vector.doubleValues()

floatValue

public float floatValue(int index)

Returns the value at the given index.

Overrides:

floatValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index.

See Also:

• Vector.floatValues()
• Vector.isSinglePrecision()

longValue

public long longValue(int index)

Returns the value at the given index.

Overrides:

longValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index.

intValue

public int intValue(int index)

Returns the value at the given index.

Overrides:

intValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index.

shortValue

public short shortValue(int index)

Returns the value at the given index.

Overrides:

shortValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index.

byteValue

public byte byteValue(int index)

Returns the value at the given index.

Overrides:

byteValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index.

stringValue

public String stringValue(int index)

Returns the string representation at the given index.

Specified by:

stringValue in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

a string representation of the value at the given index (may be null).

See Also:

• Vector.toString()

get

public Number get(int index)

Returns the value at the given index.

Specified by:

get in interface List<Number>

Specified by:

get in class Vector

Parameters:

index - the index in the [0 … size-1] range.

Returns:

the value at the given index (may be null).

Throws:

ArrayIndexOutOfBoundsException - if the given index is out of bounds.

set

public Number set(int index,
 Number value)

Sets the value at the given index.

Specified by:

set in interface List<Number>

Specified by:

set in class Vector

Parameters:

index - the index in the [0 … size-1] range.

value - the value to set at the given index.

Returns:

the value previously stored at the given index.

fill

public void fill(int fromIndex,
 int toIndex,
 Number value)

Sets a range of elements to the given number.

Overrides:

fill in class Vector

Parameters:

fromIndex - index of the first element (inclusive) to be filled with the specified value.

toIndex - index of the last element (exclusive) to be filled with the specified value.

value - the value to be stored in elements of the vector.

increment

public Number increment(double tolerance)

Returns the increment between all consecutive values if this increment is constant, or null otherwise.

Overrides:

increment in class Vector

Parameters:

tolerance - the tolerance threshold for verifying if the increment is constant.

Returns:

the increment as a signed value, or null if the increment is not constant.

range

public NumberRange<?> range()

Computes the minimal and maximal values in this vector. This is the union of the range of the two concatenated vectors.

Overrides:

range in class Vector

Returns:

minimal and maximal values found in this vector.

createSubSampling

Vector createSubSampling(int first,
 int step,
 int length)

Delegates to the backing vectors if possible.

Overrides:

createSubSampling in class Vector

createConcatenate

Vector createConcatenate(Vector toAppend)

Delegates to the backing vectors since there is a chance that they override their concatenate method with a more efficient implementation.

Overrides:

createConcatenate in class Vector

createTransform

Vector createTransform(double scale,
 double offset)

Delegates to the backing vectors since there is a chance that they override their transform method with a more efficient implementation.

Overrides:

createTransform in class Vector