Package com.couchbase.client.core.util

Class EnumLookupTable<E extends Enum<E>>

java.lang.Object

com.couchbase.client.core.util.EnumLookupTable<E>

@Internal
public class EnumLookupTable<E extends Enum<E>>
extends Object

Provides efficient lookup for enums whose values are associated with small integers.

Method Summary

Modifier and Type	Method	Description
static <E extends Enum<E>> EnumLookupTable<E>	create(Class<E> enumClass, Function<E,Integer> enumToIndex)
E	getOrDefault(int index, E defaultValue)	Returns the enum value associated with the given integer, or the default value if not found.

Methods inherited from class java.lang.Object

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

Method Details

create

public static <E extends Enum<E>>
EnumLookupTable<E> create(Class<E> enumClass,
 Function<E,Integer> enumToIndex)

Parameters:

enumToIndex - given an enum value, returns the integer associated with the value.

getOrDefault

public E getOrDefault(int index,
 E defaultValue)

Returns the enum value associated with the given integer, or the default value if not found.

Parameters:

index - the integer associated with the enum value to return