com.datumbox.framework.core.common.utilities

Class MapMethods

java.lang.Object

com.datumbox.framework.core.common.utilities.MapMethods

public class MapMethods
extends java.lang.Object

The MapMethods class contains a list of convenience methods for Maps and AssociativeArrays.

Constructor Summary

Constructors

Constructor and Description
MapMethods()

Method Summary

Modifier and Type	Method and Description
static java.util.Map.Entry<java.lang.Object,java.lang.Object>	selectMaxKeyValue(AssociativeArray keyValueMap) Selects the key-value entry with the largest value.
static java.util.Map.Entry<java.lang.Object,java.lang.Double>	selectMaxKeyValue(java.util.Map<java.lang.Object,java.lang.Double> keyValueMap) Selects the key-value entry with the largest value.
static java.util.Map.Entry<java.lang.Object,java.lang.Object>	selectMinKeyValue(AssociativeArray keyValueMap) Selects the key-value entry with the smallest value.
static java.util.Map.Entry<java.lang.Object,java.lang.Double>	selectMinKeyValue(java.util.Map<java.lang.Object,java.lang.Double> keyValueMap) Selects the key-value entry with the smallest value.
static AssociativeArray	sortAssociativeArrayByValueAscending(AssociativeArray associativeArray) Sorts by Value a Associative Array in ascending order.
static AssociativeArray	sortAssociativeArrayByValueDescending(AssociativeArray associativeArray) Sorts by Value a Associative Array in descending order.
static <K,V> java.util.Map<K,V>	sortNumberMapByKeyAscending(java.util.Map<K,V> map) Sorts by Key a Map in ascending order.
static <K,V> java.util.Map<K,V>	sortNumberMapByKeyAscending(java.util.Set<java.util.Map.Entry<K,V>> entrySet) Sorts by Key a Map in ascending order.
static <K,V> java.util.Map<K,V>	sortNumberMapByKeyDescending(java.util.Map<K,V> map) Sorts by Key a Map in descending order.
static <K,V> java.util.Map<K,V>	sortNumberMapByKeyDescending(java.util.Set<java.util.Map.Entry<K,V>> entrySet) Sorts by Key a Map in descending order.
static <K,V> java.util.Map<K,V>	sortNumberMapByValueAscending(java.util.Map<K,V> map) Sorts by Value a Map in ascending order.
static <K,V> java.util.Map<K,V>	sortNumberMapByValueDescending(java.util.Map<K,V> map) Sorts by Value a Map in descending order.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapMethods

public MapMethods()

Method Detail

selectMaxKeyValue

public static java.util.Map.Entry<java.lang.Object,java.lang.Object> selectMaxKeyValue(AssociativeArray keyValueMap)

Selects the key-value entry with the largest value.

Parameters:

keyValueMap -

Returns:

selectMaxKeyValue

public static java.util.Map.Entry<java.lang.Object,java.lang.Double> selectMaxKeyValue(java.util.Map<java.lang.Object,java.lang.Double> keyValueMap)

Selects the key-value entry with the largest value.

Parameters:

keyValueMap -

Returns:

selectMinKeyValue

public static java.util.Map.Entry<java.lang.Object,java.lang.Object> selectMinKeyValue(AssociativeArray keyValueMap)

Selects the key-value entry with the smallest value.

Parameters:

keyValueMap -

Returns:

selectMinKeyValue

public static java.util.Map.Entry<java.lang.Object,java.lang.Double> selectMinKeyValue(java.util.Map<java.lang.Object,java.lang.Double> keyValueMap)

Selects the key-value entry with the smallest value.

Parameters:

keyValueMap -

Returns:

sortNumberMapByKeyAscending

public static <K,V> java.util.Map<K,V> sortNumberMapByKeyAscending(java.util.Map<K,V> map)

Sorts by Key a Map in ascending order.

Type Parameters:

K -

V -

Parameters:

map -

Returns:

sortNumberMapByKeyAscending

public static <K,V> java.util.Map<K,V> sortNumberMapByKeyAscending(java.util.Set<java.util.Map.Entry<K,V>> entrySet)

Sorts by Key a Map in ascending order.

Type Parameters:

K -

V -

Parameters:

entrySet -

Returns:

sortNumberMapByKeyDescending

public static <K,V> java.util.Map<K,V> sortNumberMapByKeyDescending(java.util.Map<K,V> map)

Sorts by Key a Map in descending order.

Type Parameters:

K -

V -

Parameters:

map -

Returns:

sortNumberMapByKeyDescending

public static <K,V> java.util.Map<K,V> sortNumberMapByKeyDescending(java.util.Set<java.util.Map.Entry<K,V>> entrySet)

Sorts by Key a Map in descending order.

Type Parameters:

K -

V -

Parameters:

entrySet -

Returns:

sortNumberMapByValueAscending

public static <K,V> java.util.Map<K,V> sortNumberMapByValueAscending(java.util.Map<K,V> map)

Sorts by Value a Map in ascending order.

Type Parameters:

K -

V -

Parameters:

map -

Returns:

sortNumberMapByValueDescending

public static <K,V> java.util.Map<K,V> sortNumberMapByValueDescending(java.util.Map<K,V> map)

Sorts by Value a Map in descending order.

Type Parameters:

K -

V -

Parameters:

map -

Returns:

sortAssociativeArrayByValueAscending

public static AssociativeArray sortAssociativeArrayByValueAscending(AssociativeArray associativeArray)

Sorts by Value a Associative Array in ascending order.

Parameters:

associativeArray -

Returns:

sortAssociativeArrayByValueDescending

public static AssociativeArray sortAssociativeArrayByValueDescending(AssociativeArray associativeArray)

Sorts by Value a Associative Array in descending order.

Parameters:

associativeArray -

Returns: