Class Cursor<K,​V>

  • Type Parameters:
    K - the key type
    V - the value type
    All Implemented Interfaces:
    Iterator<K>

    public class Cursor<K,​V>
    extends Object
    implements Iterator<K>
    A cursor to iterate over elements in ascending order.
    • Constructor Detail

      • Cursor

        public Cursor​(Page root,
                      K from)
      • Cursor

        public Cursor​(Page root,
                      K from,
                      K to)
    • Method Detail

      • hasNext

        public boolean hasNext()
        Specified by:
        hasNext in interface Iterator<K>
      • next

        public K next()
        Specified by:
        next in interface Iterator<K>
      • getKey

        public K getKey()
        Get the last read key if there was one.
        Returns:
        the key or null
      • getValue

        public V getValue()
        Get the last read value if there was one.
        Returns:
        the value or null
      • skip

        public void skip​(long n)
        Skip over that many entries. This method is relatively fast (for this map implementation) even if many entries need to be skipped.
        Parameters:
        n - the number of entries to skip
      • remove

        public void remove()
        Specified by:
        remove in interface Iterator<K>