jsr166z.forkjoin
Class ParallelIntArray.WithFilter

java.lang.Object
  jsr166z.forkjoin.ParallelIntArray.WithIntMapping
      jsr166z.forkjoin.ParallelIntArray.WithFilter

Direct Known Subclasses:

ParallelIntArray.WithBounds

Enclosing class:

ParallelIntArray

public abstract static class ParallelIntArray.WithFilter
extends ParallelIntArray.WithIntMapping

A restriction of parallel array operations to apply only to elements for which a selector returns true

Method Summary

int	any() Returns some element matching bound and filter constraints
void	apply({int=>void} procedure) Applies the given procedure
int	indexOfMax() Returns the index corresponding to the greatest element or -1 if empty, assuming that all elements are Comparables
int	indexOfMax({int,int=>int} comparator) Returns the index corresponding to the greatest element, or -1 if empty
int	indexOfMin() Returns the index corresponding to the least element or -1 if empty, assuming that all elements are Comparables
int	indexOfMin({int,int=>int} comparator) Returns the index corresponding to the least element or -1 if empty
int	max() Returns the maximum element, or Integer.MIN_VALUE if empty assuming that all elements are Comparables
int	max({int,int=>int} comparator) Returns the maximum element, or Integer.MIN_VALUE if empty
int	min() Returns the minimum element, or Integer.MAX_VALUE if empty, assuming that all elements are Comparables
int	min({int,int=>int} comparator) Returns the minimum element, or Integer.MAX_VALUE if empty
abstract ParallelIntArray	newArray() Returns a new ParallelArray holding elements
void	randomFill() Sets each element to a uniform random value having the same properties as Random.nextInt()
void	randomFill(int bound) Sets each element to a uniform random value having the same properties as Random.nextInt(int)
int	reduce({int,int=>int} reducer, int base) Returns reduction of elements
void	replaceWithCombination(int[] other, {int,int=>int} combiner) Replaces elements with results of applying combine(thisElement, otherElement)
void	replaceWithCombination(ParallelIntArray other, {int,int=>int} combiner) Replaces elements with results of applying combine(thisElement, otherElement)
void	replaceWithGeneratedValue({=>int} generator) Replaces elements with results of applying the given generator.
void	replaceWithMappedIndex({int=>int} mapper) Replaces elements with the results of applying the given mapper to their indices
void	replaceWithTransform({int=>int} mapper) Replaces elements with the results of applying the given mapper to their current values.
void	replaceWithValue(int value) Replaces elements with the given value.
int	sum() Returns the sum of elements
abstract ParallelIntArray.WithDoubleMapping	withMapping({int=>double} mapper) Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.
abstract ParallelIntArray.WithIntMapping	withMapping({int=>int} mapper) Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.
abstract ParallelIntArray.WithLongMapping	withMapping({int=>long} mapper) Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.
abstract <U> ParallelIntArray.WithMapping<U>	withMapping({int=>U} mapper) Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.

Methods inherited from class jsr166z.forkjoin.ParallelIntArray.WithIntMapping

anyIndex, size

Methods inherited from class java.lang.Object

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

Method Detail

apply

public void apply({int=>void} procedure)

Applies the given procedure

Overrides:

apply in class ParallelIntArray.WithIntMapping

Parameters:

procedure - the procedure

reduce

public int reduce({int,int=>int} reducer,
                  int base)

Returns reduction of elements

Overrides:

reduce in class ParallelIntArray.WithIntMapping

Parameters:

reducer - the reducer

base - the result for an empty array

Returns:

reduction

sum

public int sum()

Returns the sum of elements

Overrides:

sum in class ParallelIntArray.WithIntMapping

Returns:

the sum of elements

min

public int min({int,int=>int} comparator)

Returns the minimum element, or Integer.MAX_VALUE if empty

Overrides:

min in class ParallelIntArray.WithIntMapping

Parameters:

comparator - the comparator

Returns:

minimum element, or Integer.MAX_VALUE if empty

min

public int min()

Returns the minimum element, or Integer.MAX_VALUE if empty, assuming that all elements are Comparables

Overrides:

min in class ParallelIntArray.WithIntMapping

Returns:

minimum element, or Integer.MAX_VALUE if empty

max

public int max({int,int=>int} comparator)

Returns the maximum element, or Integer.MIN_VALUE if empty

Overrides:

max in class ParallelIntArray.WithIntMapping

Parameters:

comparator - the comparator

Returns:

maximum element, or Integer.MIN_VALUE if empty

max

public int max()

Returns the maximum element, or Integer.MIN_VALUE if empty assuming that all elements are Comparables

Overrides:

max in class ParallelIntArray.WithIntMapping

Returns:

maximum element, or Integer.MIN_VALUE if empty

indexOfMin

public int indexOfMin({int,int=>int} comparator)

Returns the index corresponding to the least element or -1 if empty

Overrides:

indexOfMin in class ParallelIntArray.WithIntMapping

Parameters:

comparator - the comparator

Returns:

the index of least element or -1 if empty.

indexOfMax

public int indexOfMax({int,int=>int} comparator)

Returns the index corresponding to the greatest element, or -1 if empty

Overrides:

indexOfMax in class ParallelIntArray.WithIntMapping

Parameters:

comparator - the comparator

Returns:

the index of greatest element or -1 if empty.

indexOfMin

public int indexOfMin()

Returns the index corresponding to the least element or -1 if empty, assuming that all elements are Comparables

Overrides:

indexOfMin in class ParallelIntArray.WithIntMapping

Returns:

the index of least element or -1 if empty.

Throws:

java.lang.ClassCastException - if any element is not Comparable.

indexOfMax

public int indexOfMax()

Returns the index corresponding to the greatest element or -1 if empty, assuming that all elements are Comparables

Overrides:

indexOfMax in class ParallelIntArray.WithIntMapping

Returns:

the index of greatest element or -1 if empty.

Throws:

java.lang.ClassCastException - if any element is not Comparable.

newArray

public abstract ParallelIntArray newArray()

Returns a new ParallelArray holding elements

Specified by:

newArray in class ParallelIntArray.WithIntMapping

Returns:

a new ParallelArray holding elements

replaceWithTransform

public void replaceWithTransform({int=>int} mapper)

Replaces elements with the results of applying the given mapper to their current values.

Parameters:

mapper - the mapper

replaceWithMappedIndex

public void replaceWithMappedIndex({int=>int} mapper)

Replaces elements with the results of applying the given mapper to their indices

Parameters:

mapper - the mapper

replaceWithGeneratedValue

public void replaceWithGeneratedValue({=>int} generator)

Replaces elements with results of applying the given generator.

Parameters:

generator - the generator

randomFill

public void randomFill()

Sets each element to a uniform random value having the same properties as Random.nextInt()

randomFill

public void randomFill(int bound)

Sets each element to a uniform random value having the same properties as Random.nextInt(int)

Parameters:

bound - the upper bound of each random value

Throws:

java.lang.IllegalArgumentException - if bound less than or equal to zero

replaceWithValue

public void replaceWithValue(int value)

Replaces elements with the given value.

Parameters:

value - the value

replaceWithCombination

public void replaceWithCombination(ParallelIntArray other,
                                   {int,int=>int} combiner)

Replaces elements with results of applying combine(thisElement, otherElement)

Parameters:

other - the other array

combiner - the combiner

Throws:

java.lang.ArrayIndexOutOfBoundsException - if other array has fewer than upperBound elements.

replaceWithCombination

public void replaceWithCombination(int[] other,
                                   {int,int=>int} combiner)

Replaces elements with results of applying combine(thisElement, otherElement)

Parameters:

other - the other array

combiner - the combiner

Throws:

java.lang.ArrayIndexOutOfBoundsException - if other array has fewer than upperBound elements.

any

public int any()

Returns some element matching bound and filter constraints

Specified by:

any in class ParallelIntArray.WithIntMapping

Returns:

matching element

Throws:

java.util.NoSuchElementException - if empty

withMapping

public abstract <U> ParallelIntArray.WithMapping<U> withMapping({int=>U} mapper)

Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.

Parameters:

mapper - the mapper

Returns:

operation prefix

withMapping

public abstract ParallelIntArray.WithDoubleMapping withMapping({int=>double} mapper)

Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.

Parameters:

mapper - the mapper

Returns:

operation prefix

withMapping

public abstract ParallelIntArray.WithLongMapping withMapping({int=>long} mapper)

Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.

Parameters:

mapper - the mapper

Returns:

operation prefix

withMapping

public abstract ParallelIntArray.WithIntMapping withMapping({int=>int} mapper)

Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper.

Parameters:

mapper - the mapper

Returns:

operation prefix