@GwtCompatible public enum MapFeature extends Enum<MapFeature> implements Feature<Map>
Map
.Modifier and Type | Class and Description |
---|---|
static interface |
MapFeature.Require |
Enum Constant and Description |
---|
ALLOWS_ANY_NULL_QUERIES
The map does not throw
NullPointerException on any null
queries. |
ALLOWS_NULL_ENTRY_QUERIES
The map does not throw
NullPointerException on calls such as
entrySet().contains(null) or entrySet().remove(null) |
ALLOWS_NULL_KEY_QUERIES
The map does not throw
NullPointerException on calls such as
containsKey(null) , get(null) ,
keySet().contains(null) or remove(null) . |
ALLOWS_NULL_KEYS |
ALLOWS_NULL_VALUE_QUERIES
The map does not throw
NullPointerException on calls such as
containsValue(null) , values().contains(null) or
values().remove(null) . |
ALLOWS_NULL_VALUES |
FAILS_FAST_ON_CONCURRENT_MODIFICATION |
GENERAL_PURPOSE |
REJECTS_DUPLICATES_AT_CREATION
Indicates that the constructor or factory method of a map, usually an
immutable map, throws an
IllegalArgumentException when presented
with duplicate keys instead of discarding all but one. |
RESTRICTS_KEYS |
RESTRICTS_VALUES |
SUPPORTS_PUT |
SUPPORTS_REMOVE |
Modifier and Type | Method and Description |
---|---|
Set<Feature<? super Map>> |
getImpliedFeatures()
Returns the set of features that are implied by this feature.
|
static MapFeature |
valueOf(String name)
Returns the enum constant of this type with the specified name.
|
static MapFeature[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared.
|
public static final MapFeature ALLOWS_NULL_KEY_QUERIES
NullPointerException
on calls such as
containsKey(null)
, get(null)
,
keySet().contains(null)
or remove(null)
.public static final MapFeature ALLOWS_NULL_KEYS
public static final MapFeature ALLOWS_NULL_VALUE_QUERIES
NullPointerException
on calls such as
containsValue(null)
, values().contains(null)
or
values().remove(null)
.public static final MapFeature ALLOWS_NULL_VALUES
public static final MapFeature ALLOWS_NULL_ENTRY_QUERIES
NullPointerException
on calls such as
entrySet().contains(null)
or entrySet().remove(null)
public static final MapFeature ALLOWS_ANY_NULL_QUERIES
NullPointerException
on any null
queries.public static final MapFeature RESTRICTS_KEYS
public static final MapFeature RESTRICTS_VALUES
public static final MapFeature SUPPORTS_PUT
public static final MapFeature SUPPORTS_REMOVE
public static final MapFeature FAILS_FAST_ON_CONCURRENT_MODIFICATION
public static final MapFeature REJECTS_DUPLICATES_AT_CREATION
IllegalArgumentException
when presented
with duplicate keys instead of discarding all but one.public static final MapFeature GENERAL_PURPOSE
public static MapFeature[] values()
for (MapFeature c : MapFeature.values()) System.out.println(c);
public static MapFeature valueOf(String name)
name
- the name of the enum constant to be returned.IllegalArgumentException
- if this enum type has no constant with the specified nameNullPointerException
- if the argument is nullCopyright © 2010-2017. All Rights Reserved.