Package jnr.constants.platform

Class ConstantResolver<E extends java.lang.Enum<E>>

java.lang.Object

jnr.constants.platform.ConstantResolver<E>

class ConstantResolver<E extends java.lang.Enum<E>>
extends java.lang.Object

Provides forward and reverse lookup utilities to cross-platform enums

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	ConstantResolver.UnknownConstant

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	__UNKNOWN_CONSTANT__
private boolean	bitmask
private Constant[]	cache
private int	cacheGuard
private ConstantSet	constants
private java.lang.Class<E>	enumType
private java.lang.Object	modLock
private java.util.concurrent.atomic.AtomicLong	nextUnknown
private java.util.Map<java.lang.Long,E>	reverseLookupMap
private E[]	valueCache

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ConstantResolver(java.lang.Class<E> enumType)
private	ConstantResolver(java.lang.Class<E> enumType, int firstUnknown, int lastUnknown, boolean bitmask)

Method Summary

Modifier and Type	Method	Description
(package private) boolean	defined(E e)
(package private) java.lang.String	description(E e)
(package private) static <T extends java.lang.Enum<T>> ConstantResolver<T>	getBitmaskResolver(java.lang.Class<T> enumType)
private Constant	getConstant(E e)
private ConstantSet	getConstants()
(package private) static <T extends java.lang.Enum<T>> ConstantResolver<T>	getResolver(java.lang.Class<T> enumType)
(package private) static <T extends java.lang.Enum<T>> ConstantResolver<T>	getResolver(java.lang.Class<T> enumType, int first, int last)
(package private) int	intValue(E e)
(package private) long	longValue(E e)
private Constant	lookupAndCacheConstant(E e)
(package private) E	valueOf(long value)

Methods inherited from class java.lang.Object

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

Field Detail

__UNKNOWN_CONSTANT__

public static final java.lang.String __UNKNOWN_CONSTANT__

See Also:

Constant Field Values

modLock

private final java.lang.Object modLock

enumType

private final java.lang.Class<E extends java.lang.Enum<E>> enumType

reverseLookupMap

private final java.util.Map<java.lang.Long,E extends java.lang.Enum<E>> reverseLookupMap

nextUnknown

private final java.util.concurrent.atomic.AtomicLong nextUnknown

bitmask

private final boolean bitmask

cache

private Constant[] cache

valueCache

private volatile E extends java.lang.Enum<E>[] valueCache

cacheGuard

private volatile int cacheGuard

constants

private volatile ConstantSet constants

Constructor Detail

ConstantResolver

private ConstantResolver(java.lang.Class<E> enumType)

ConstantResolver

private ConstantResolver(java.lang.Class<E> enumType,
                         int firstUnknown,
                         int lastUnknown,
                         boolean bitmask)

Method Detail

getResolver

static <T extends java.lang.Enum<T>> ConstantResolver<T> getResolver(java.lang.Class<T> enumType)

getResolver

static <T extends java.lang.Enum<T>> ConstantResolver<T> getResolver(java.lang.Class<T> enumType,
                                                                     int first,
                                                                     int last)

getBitmaskResolver

static <T extends java.lang.Enum<T>> ConstantResolver<T> getBitmaskResolver(java.lang.Class<T> enumType)

getConstant

private Constant getConstant(E e)

lookupAndCacheConstant

private Constant lookupAndCacheConstant(E e)

intValue

final int intValue(E e)

longValue

final long longValue(E e)

description

final java.lang.String description(E e)

defined

final boolean defined(E e)

valueOf

final E valueOf(long value)

getConstants

private ConstantSet getConstants()