oneapi.util

Class EnumUtil.EnumMapper<T extends EnumUtil.IEnumIntValue>

java.lang.Object

oneapi.util.EnumUtil.EnumMapper<T>

Type Parameters:

T - enumeration type - must implement EnumUtil.IEnumIntValue

Enclosing class:

EnumUtil

public static class EnumUtil.EnumMapper<T extends EnumUtil.IEnumIntValue>
extends Object

Helper class for getting enumeration constants based on integer value.

Uses map for mapping enumeration constants to specified integer value which results in O(1) complexity.

Author:

mzagar

Method Summary

Modifier and Type	Method and Description
T	enumFor(int value) Looks up enumeration constant for specified value.
List<T>	getList()
int	valueFor(T enumValue) Convenience method - returns int value associated with specified enumeration constant. Returns same value as EnumUtil.IEnumIntValue.getValue().

Methods inherited from class java.lang.Object

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

Method Detail

getList

public List<T> getList()

enumFor

public T enumFor(int value)

Looks up enumeration constant for specified value.

Parameters:

value - for which to return enumeration constant

Returns:

enum constant : which has specified value associated - if multiple constants have same value, constant with lower ordinal is returned null : if no int value is associated with specified enumeration constant

valueFor

public int valueFor(T enumValue)

Convenience method - returns int value associated with specified enumeration constant.

Returns same value as EnumUtil.IEnumIntValue.getValue().

Parameters:

enumValue - for which to return associated integer value

Returns:

integer value associated with specified enumeration constant