org.boon.collections

Class LongList

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<Long>

org.boon.collections.LongList

All Implemented Interfaces:

Iterable<Long>, Collection<Long>, List<Long>

public class LongList
extends AbstractList<Long>

Holds primitive values in a list like object for long.

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
LongList() Create a new list with exactly 10 items in it.
LongList(int capacity) Create a new list with this many items in it.
LongList(long[] values) Create a new list with this many items in it.

Method Summary

Methods

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

LongList

public LongList(int capacity)

Create a new list with this many items in it.

LongList

public LongList()

Create a new list with exactly 10 items in it.

LongList

public LongList(long[] values)

Create a new list with this many items in it.

Method Detail

toLongList

public static LongList toLongList(Collection<?> inputList,
                  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

get

public Long get(int index)

Get the value at index

Specified by:

get in interface List<Long>

Specified by:

get in class AbstractList<Long>

Parameters:

index - index

Returns:

value

getInt

public final long getInt(int index)

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

Parameters:

index - index

Returns:

value

add

public boolean add(Long integer)

Add a new value to the list.

Specified by:

add in interface Collection<Long>

Specified by:

add in interface List<Long>

Overrides:

add in class AbstractList<Long>

Parameters:

integer - new value

Returns:

was able to add.

addLong

public boolean addLong(long 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 LongList add(long 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(long... integers)

Add a new array to the list.

Returns:

was able to add.

set

public Long set(int index,
       Long element)

Set a value in the list.

Specified by:

set in interface List<Long>

Overrides:

set in class AbstractList<Long>

Parameters:

index - index

element - new value

Returns:

old value at this index

setLong

public long setLong(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 Collection<Long>

Specified by:

size in interface List<Long>

Specified by:

size in class AbstractCollection<Long>

Returns:

sum

public long sum()

Sums the values with bounds checking.

toValueArray

public long[] toValueArray()

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

Returns:

reduceBy

public long reduceBy(Object function)

This would be a good opportunity to reintroduce dynamic invoke

Parameters:

function - function

Returns:

reduceBy

public long reduceBy(Object function,
            String name)

This would be a good opportunity to reintroduce dynamic invoke

Parameters:

function - function

Returns:

reduceBy

public long reduceBy(Lng.ReduceBy reduceBy)

Parameters:

reduceBy - reduceBy function

Returns:

the reduction

mean

public long mean()

Mean

Returns:

mean

standardDeviation

public long standardDeviation()

standardDeviation

Returns:

standardDeviation

variance

public long variance()

variance

Returns:

variance

max

public long max()

max

Returns:

max

min

public long min()

min

Returns:

min

median

public long median()

median

Returns:

median

sort

public void sort()

sort

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection<Long>

Specified by:

equals in interface List<Long>

Overrides:

equals in class AbstractList<Long>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<Long>

Specified by:

hashCode in interface List<Long>

Overrides:

hashCode in class AbstractList<Long>

clear

public void clear()

Specified by:

clear in interface Collection<Long>

Specified by:

clear in interface List<Long>

Overrides:

clear in class AbstractList<Long>