Package org.drasyl.util

Class HashSetMultimap<K,V>

java.lang.Object
org.drasyl.util.HashSetMultimap<K,V>
Type Parameters:
K - the type of keys maintained by this map
V - the type of mapped values
All Implemented Interfaces:
Multimap<K,V>, SetMultimap<K,V>
public class HashSetMultimap<K,V> extends Object implements SetMultimap<K,V>
Hash table based implementation of the SetMultimap interface.

This data structure is not thread-safe!

  • Constructor Details

    • HashSetMultimap

      public HashSetMultimap(int initialMapCapacity, int initialSetCapacity)

    • HashSetMultimap

      public HashSetMultimap()

  • Method Details

    • put

      public boolean put(K key, V value)
      Description copied from interface: Multimap
      Associates the specified value with the specified key in this map.
      Specified by:
      put in interface Multimap<K,V>
      Parameters:
      key - key with which the specified value is to be associated
      value - value to be associated with the specified key
      Returns:
      true if the specified value could be associated with the specified key

    • remove

      public boolean remove(K key, V value)
      Description copied from interface: Multimap
      Removes the specified value from the specified key. If no value left, the associated key will be removed from the map.
      Specified by:
      remove in interface Multimap<K,V>
      Parameters:
      key - key with which the specified value is associated
      value - value expected to be associated with the specified key
      Returns:
      true if the specified value could be removed from the specified key

    • get

      public Set<V> get(Object key)
      Description copied from interface: Multimap
      Returns the values that are associated to the specified key. Returns a empty Collection if currently no values are assosicated to the key.
      Specified by:
      get in interface Multimap<K,V>
      Specified by:
      get in interface SetMultimap<K,V>
      Parameters:
      key - the key whose associated values should be returned
      Returns:
      the values that are associated to the specified key. Returns a empty Collection if currently no values are assosicated to the key.

    • keySet

      public Set<K> keySet()
      Description copied from interface: Multimap
      Returns a Set with all the keys contained in this map.
      Specified by:
      keySet in interface Multimap<K,V>
      Returns:
      Set with all the keys contained in this map