org.springframework.util

Interface MultiValueMap<K,V>

  • All Superinterfaces:
    Map<K, List<V>>
    All Known Implementing Classes:
    LinkedMultiValueMap

    public interface MultiValueMap<K,V>
    extends Map<K,List<V>>
    Extension of the Map interface that stores multiple values.
    Since:
    3.0
    Author:
    Arjen Poutsma
    • Method Detail

      • getFirst

        V getFirst(K key)
        Return the first value for the given key.
        Parameters:
        key - the key
        Returns:
        the first value for the specified key, or null
      • add

        void add(K key,
               V value)
        Add the given single value to the current list of values for the given key.
        Parameters:
        key - the key
        value - the value to be added
      • set

        void set(K key,
               V value)
        Set the given single value under the given key.
        Parameters:
        key - the key
        value - the value to set
      • setAll

        void setAll(Map<K,V> values)
        Set the given values under.
        Parameters:
        values - the values.
      • toSingleValueMap

        Map<K,V> toSingleValueMap()
        Returns the first values contained in this MultiValueMap.
        Returns:
        a single value representation of this map