org.boon.sort

Class Ordering

java.lang.Object

org.boon.sort.Ordering

public class Ordering
extends Object

Created by Richard on 3/8/14.

Constructor Summary

Constructors

Constructor and Description
Ordering()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> List<T>	firstOf(List<T> list, int count, Sort... sorts) From the sorts, this is the first few items.
static <T> T	firstOf(List<T> list, Sort... sorts) First of... out of hte sorts.
static <T> List<T>	greatest(List<T> list, int count) Returns the greatest.
static <T> List<T>	greatest(List<T> list, String sortBy, int count) Returns the greatest few.
static <T> List<T>	lastOf(List<T> list, int count, Sort... sorts) Grabs the last few items from the list.
static <T> T	lastOf(List<T> list, Sort... sorts) Grabs the last items after the sort.
static <T> List<T>	least(List<T> list, int count) Returns the least few.
static <T> List<T>	least(List<T> list, String sortBy, int count) Returns the least few.
static <T> T	max(List<T> list) Gets the max item from the list.
static <T> T	max(List<T> list, String sortBy) Returns the max value of the object with the property given.
static <T> T	max(T[] array) Gets the max item from the array.
static <T> T	max(T[] array, String sortBy) Returns the max value of the object with the property given.
static <T> T	min(List<T> list) Returns the min value using a natural sort.
static <T> T	min(List<T> list, String sortBy) Returns the min value after sorting by the sortBy parameter.
static <T> T	min(T[] array) Returns the max value of the object with the property given.
static <T> T	min(T[] array, String sortBy) Returns the min value of the object with the property given.
static <T> T	search(List<T> list, T item) Does a binary search NOTE THIS WILL NOT SORT THE LIST ASCENDING.
static int	searchForIndex(List<?> list, Object item) Does a binary search NOTE THIS WILL NOT SORT THE LIST ASCENDING.

Methods inherited from class java.lang.Object

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

Constructor Detail

Ordering

public Ordering()

Method Detail

search

public static <T> T search(List<T> list,
           T item)

Does a binary search NOTE THIS WILL NOT SORT THE LIST ASCENDING.

Type Parameters:

T - type of item

Parameters:

list - items you want to search.

item - the item you are searching for.

Returns:

item found or null

searchForIndex

public static int searchForIndex(List<?> list,
                 Object item)

Does a binary search NOTE THIS WILL NOT SORT THE LIST ASCENDING.

Parameters:

list - list you are searching

item - the item you are searching for

Returns:

the index of the item

max

public static <T> T max(List<T> list)

Gets the max item from the list. Sorts the list descending first.

Type Parameters:

T - type of items

Parameters:

list - the list

Returns:

the max item

max

public static <T> T max(T[] array)

Gets the max item from the array. Sorts the list descending first.

Type Parameters:

T - type of items

Parameters:

array - the list

Returns:

the max item

firstOf

public static <T> T firstOf(List<T> list,
            Sort... sorts)

First of... out of hte sorts. This is the first item

Type Parameters:

T -

Parameters:

list -

sorts -

Returns:

firstOf

public static <T> List<T> firstOf(List<T> list,
                  int count,
                  Sort... sorts)

From the sorts, this is the first few items.

Type Parameters:

T -

Parameters:

list -

count -

sorts -

Returns:

lastOf

public static <T> T lastOf(List<T> list,
           Sort... sorts)

Grabs the last items after the sort.

Type Parameters:

T -

Parameters:

list -

sorts -

Returns:

lastOf

public static <T> List<T> lastOf(List<T> list,
                 int count,
                 Sort... sorts)

Grabs the last few items from the list.

Type Parameters:

T -

Parameters:

list -

count -

sorts -

Returns:

max

public static <T> T max(List<T> list,
        String sortBy)

Returns the max value of the object with the property given.

Type Parameters:

T -

Parameters:

list -

sortBy -

Returns:

max

public static <T> T max(T[] array,
        String sortBy)

Returns the max value of the object with the property given.

Type Parameters:

T -

Parameters:

array -

sortBy -

Returns:

least

public static <T> List<T> least(List<T> list,
                int count)

Returns the least few.

Type Parameters:

T -

Parameters:

list -

count -

Returns:

least

public static <T> List<T> least(List<T> list,
                String sortBy,
                int count)

Returns the least few.

Type Parameters:

T -

Parameters:

list -

sortBy -

count -

Returns:

greatest

public static <T> List<T> greatest(List<T> list,
                   int count)

Returns the greatest.

Type Parameters:

T -

Parameters:

list -

count -

Returns:

greatest

public static <T> List<T> greatest(List<T> list,
                   String sortBy,
                   int count)

Returns the greatest few.

Type Parameters:

T -

Parameters:

list -

sortBy -

count -

Returns:

min

public static <T> T min(List<T> list)

Returns the min value using a natural sort.

Type Parameters:

T -

Parameters:

list -

Returns:

min

public static <T> T min(T[] array)

Returns the max value of the object with the property given.

Type Parameters:

T -

Parameters:

array -

Returns:

min

public static <T> T min(List<T> list,
        String sortBy)

Returns the min value after sorting by the sortBy parameter.

Type Parameters:

T -

Parameters:

list -

sortBy -

Returns:

min

public static <T> T min(T[] array,
        String sortBy)

Returns the min value of the object with the property given.

Type Parameters:

T -

Parameters:

array -

sortBy -

Returns: