@GwtCompatible public interface SetMultimap<K,V> extends Multimap<K,V>
Multimapthat cannot hold duplicate key-value pairs. Adding a key-value pair that's already in the multimap has no effect. See the
Multimapdocumentation for information common to all multimaps.
replaceValues(K, java.lang.Iterable<? extends V>) methods
each return a
Set of values, while
entries() returns a
Set of map entries. Though the method signature doesn't say so explicitly,
the map returned by
Since the value collections are sets, the behavior of a
is not specified if key or value objects already present in the
multimap change in a manner that affects
Use caution if mutable objects are used as keys or values in a
See the Guava User Guide article on
|Modifier and Type||Method and Description|
Returns a view of this multimap as a
Returns a view collection of all key-value pairs contained in this multimap, as
Compares the specified object to this multimap for equality.
Returns a view collection of the values associated with
Removes all values associated with the key
Stores a collection of values with the same key, replacing any existing values for that key.
keyin this multimap, if any. Note that when
containsKey(key)is false, this returns an empty collection, not
Changes to the returned collection will update the underlying multimap, and vice versa.
values is empty, this is equivalent to
Any duplicates in
values will be stored in the multimap once.
Changes to the returned collection or the entries it contains will update the underlying multimap, and vice versa. However, adding to the returned collection is not possible.
Mapfrom each distinct key to the nonempty collection of that key's associated values. Note that
this.asMap().get(k)is equivalent to
kis a key contained in the multimap; otherwise it returns
nullas opposed to an empty collection.
Changes to the returned map or the collections that serve as its values
will update the underlying multimap, and vice versa. The map does not
putAll, nor do its entries support
SetMultimap instances are equal if, for each key, they
contain the same values. Equality does not depend on the ordering of keys
SetMultimap is equal to any other empty
Multimap, including an empty
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