org.apache.lucene.util
Class MapOfSets<K,V>
java.lang.Object
org.apache.lucene.util.MapOfSets<K,V>
public class MapOfSets<K,V>
- extends Object
Helper class for keeping Lists of Objects associated with keys. WARNING: THIS CLASS IS NOT THREAD SAFE
- NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.
Method Summary |
Map<K,Set<V>> |
getMap()
|
int |
put(K key,
V val)
Adds val to the Set associated with key in the Map. |
int |
putAll(K key,
Collection<? extends V> vals)
Adds multiple vals to the Set associated with key in the Map. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
MapOfSets
public MapOfSets(Map<K,Set<V>> m)
- Parameters:
m
- the backing store for this object
getMap
public Map<K,Set<V>> getMap()
- Returns:
- direct access to the map backing this object.
put
public int put(K key,
V val)
- Adds val to the Set associated with key in the Map. If key is not
already in the map, a new Set will first be created.
- Returns:
- the size of the Set associated with key once val is added to it.
putAll
public int putAll(K key,
Collection<? extends V> vals)
- Adds multiple vals to the Set associated with key in the Map.
If key is not
already in the map, a new Set will first be created.
- Returns:
- the size of the Set associated with key once val is added to it.
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