org.boon.collections

Class IntList

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<java.lang.Integer>

org.boon.collections.IntList

All Implemented Interfaces:

java.lang.Iterable<java.lang.Integer>, java.util.Collection<java.lang.Integer>, java.util.List<java.lang.Integer>

public class IntList
extends java.util.AbstractList<java.lang.Integer>

Holds primitive values in a list like object for ints.

Has sum, mean, median, standardDeviation, reduceBy, variance.

Author:

Rick Hightower

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
IntList() Create a new list with exactly 10 items in it.
IntList(int capacity) Create a new list with this many items in it.
IntList(int[] values) Create a new list with this many items in it.

Method Summary

Methods

Modifier and Type	Method and Description
IntList	add(int integer) Add a new value to the list but don't employ a wrapper.
boolean	add(java.lang.Integer integer) Add a new value to the list.
boolean	addArray(int... integers) Add a new array to the list.
boolean	addInt(int integer) Add a new value to the list but don't employ a wrapper.
void	clear()
boolean	equals(java.lang.Object o)
java.lang.Integer	get(int index) Get the value at index
int	getInt(int index) Get the value at index but don't use a wrapper
int	hashCode()
int	max() max
int	mean() Mean
int	median() median
int	min() min
long	reduceBy(Int.ReduceBy reduceBy)
long	reduceBy(java.lang.Object function) This would be a good opportunity to reintroduce dynamic invoke
long	reduceBy(java.lang.Object function, java.lang.String name) This would be a good opportunity to reintroduce dynamic invoke
java.lang.Integer	set(int index, java.lang.Integer element) Set a value in the list.
int	setInt(int index, int element) Set in a new value no wrapper
int	size() Return the current size.
void	sort() sort
int	standardDeviation() standardDeviation
int	sum() Sums the values with bounds checking.
static IntList	toIntList(java.util.Collection<?> inputList, java.lang.String propertyPath) Creates a primitive list based on an input list and a property path
int[]	toValueArray() Get a copy of the array up to the end element.
int	variance() variance

Methods inherited from class java.util.AbstractList

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

Methods inherited from class java.util.AbstractCollection

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.List

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

Constructor Detail

IntList

public IntList(int capacity)

Create a new list with this many items in it.

IntList

public IntList()

Create a new list with exactly 10 items in it.

IntList

public IntList(int[] values)

Create a new list with this many items in it.

Method Detail

toIntList

public static IntList toIntList(java.util.Collection<?> inputList,
                java.lang.String propertyPath)

Creates a primitive list based on an input list and a property path

Parameters:

inputList - input list

propertyPath - property path

Returns:

primitive list

clear

public void clear()

Specified by:

clear in interface java.util.Collection<java.lang.Integer>

Specified by:

clear in interface java.util.List<java.lang.Integer>

Overrides:

clear in class java.util.AbstractList<java.lang.Integer>

get

public java.lang.Integer get(int index)

Get the value at index

Specified by:

get in interface java.util.List<java.lang.Integer>

Specified by:

get in class java.util.AbstractList<java.lang.Integer>

Parameters:

index - index

Returns:

value

getInt

public final int getInt(int index)

Get the value at index but don't use a wrapper

Parameters:

index - index

Returns:

value

add

public boolean add(java.lang.Integer integer)

Add a new value to the list.

Specified by:

add in interface java.util.Collection<java.lang.Integer>

Specified by:

add in interface java.util.List<java.lang.Integer>

Overrides:

add in class java.util.AbstractList<java.lang.Integer>

Parameters:

integer - new value

Returns:

was able to add.

addInt

public boolean addInt(int integer)

Add a new value to the list but don't employ a wrapper.

Parameters:

integer - new value

Returns:

was able to add.

add

public IntList add(int integer)

Add a new value to the list but don't employ a wrapper.

Parameters:

integer - new value

Returns:

was able to add.

addArray

public boolean addArray(int... integers)

Add a new array to the list.

Returns:

was able to add.

set

public java.lang.Integer set(int index,
                    java.lang.Integer element)

Set a value in the list.

Specified by:

set in interface java.util.List<java.lang.Integer>

Overrides:

set in class java.util.AbstractList<java.lang.Integer>

Parameters:

index - index

element - new value

Returns:

old value at this index

setInt

public int setInt(int index,
         int element)

Set in a new value no wrapper

Parameters:

index - index

element - new value

Returns:

old value at this index

size

public int size()

Return the current size.

Specified by:

size in interface java.util.Collection<java.lang.Integer>

Specified by:

size in interface java.util.List<java.lang.Integer>

Specified by:

size in class java.util.AbstractCollection<java.lang.Integer>

Returns:

sum

public int sum()

Sums the values with bounds checking.

toValueArray

public int[] toValueArray()

Get a copy of the array up to the end element.

Returns:

reduceBy

public long reduceBy(java.lang.Object function)

This would be a good opportunity to reintroduce dynamic invoke

Parameters:

function - function

Returns:

reduceBy

public long reduceBy(java.lang.Object function,
            java.lang.String name)

This would be a good opportunity to reintroduce dynamic invoke

Parameters:

function - function

Returns:

reduceBy

public long reduceBy(Int.ReduceBy reduceBy)

Parameters:

reduceBy - reduceBy function

Returns:

the reduction

mean

public int mean()

Mean

Returns:

mean

standardDeviation

public int standardDeviation()

standardDeviation

Returns:

standardDeviation

variance

public int variance()

variance

Returns:

variance

max

public int max()

max

Returns:

max

min

public int min()

min

Returns:

min

median

public int median()

median

Returns:

median

sort

public void sort()

sort

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Collection<java.lang.Integer>

Specified by:

equals in interface java.util.List<java.lang.Integer>

Overrides:

equals in class java.util.AbstractList<java.lang.Integer>

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection<java.lang.Integer>

Specified by:

hashCode in interface java.util.List<java.lang.Integer>

Overrides:

hashCode in class java.util.AbstractList<java.lang.Integer>