Interface MapDifference<K,V>

  • All Known Subinterfaces:
    SortedMapDifference<K,V>


    @GwtCompatible
    public interface MapDifference<K,V>
    An object representing the differences between two maps.
    Since:
    2.0 (imported from Google Collections Library)
    • Nested Class Summary

      Nested Classes

      Modifier and Type Interface and Description
      static interface  MapDifference.ValueDifference<V>
      A difference between the mappings from two maps with the same key.
    • Method Summary

      Modifier and Type Method and Description
      boolean areEqual()
      Returns true if there are no differences between the two maps; that is, if the maps are equal.
      Map<K,MapDifference.ValueDifference<V>> entriesDiffering()
      Returns an unmodifiable map describing keys that appear in both maps, but with different values.
      Map<K,V> entriesInCommon()
      Returns an unmodifiable map containing the entries that appear in both maps; that is, the intersection of the two maps.
      Map<K,V> entriesOnlyOnLeft()
      Returns an unmodifiable map containing the entries from the left map whose keys are not present in the right map.
      Map<K,V> entriesOnlyOnRight()
      Returns an unmodifiable map containing the entries from the right map whose keys are not present in the left map.
      boolean equals(Object object)
      Compares the specified object with this instance for equality.
      int hashCode()
      Returns the hash code for this instance.
    • Method Detail

      • areEqual

        boolean areEqual()
        Returns true if there are no differences between the two maps; that is, if the maps are equal.
      • entriesOnlyOnLeft

        Map<K,V> entriesOnlyOnLeft()
        Returns an unmodifiable map containing the entries from the left map whose keys are not present in the right map.
      • entriesOnlyOnRight

        Map<K,V> entriesOnlyOnRight()
        Returns an unmodifiable map containing the entries from the right map whose keys are not present in the left map.
      • entriesInCommon

        Map<K,V> entriesInCommon()
        Returns an unmodifiable map containing the entries that appear in both maps; that is, the intersection of the two maps.
      • entriesDiffering

        Map<K,MapDifference.ValueDifference<V>> entriesDiffering()
        Returns an unmodifiable map describing keys that appear in both maps, but with different values.
      • hashCode

        int hashCode()
        Returns the hash code for this instance. This is defined as the hash code of
            Arrays.asList(entriesOnlyOnLeft(), entriesOnlyOnRight(), entriesInCommon(), entriesDiffering())