Package org.apache.openjpa.lib.util.collections

Class AbstractDualBidiMap.BidiMapIterator<K,​V>

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected boolean canRemove
      Whether remove is allowed at present
      protected java.util.Iterator<java.util.Map.Entry<K,​V>> iterator
      The iterator being wrapped
      protected java.util.Map.Entry<K,​V> last
      The last returned entry
      protected AbstractDualBidiMap<K,​V> parent
      The parent map

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      K getKey()
      Gets the current key, which is the key returned by the last call to next().
      V getValue()
      Gets the current value, which is the value associated with the last key returned by next().
      boolean hasNext()
      Checks to see if there are more entries still to be iterated.
      K next()
      Gets the next key from the Map.
      void remove()
      Removes the last returned key from the underlying Map (optional operation).
      void reset()
      Resets the iterator back to the position at which the iterator was created.
      V setValue​(V value)
      Sets the value associated with the current key (optional operation).
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

      • Methods inherited from interface java.util.Iterator

        forEachRemaining

    • Field Detail

      • iterator

        protected java.util.Iterator<java.util.Map.Entry<K,​V>> iterator
        The iterator being wrapped

      • last

        protected java.util.Map.Entry<K,​V> last
        The last returned entry

      • canRemove

        protected boolean canRemove
        Whether remove is allowed at present

    • Constructor Detail

      • BidiMapIterator

        protected BidiMapIterator​(AbstractDualBidiMap<K,​V> parent)
        Constructor.
        Parameters:
        parent - the parent map

    • Method Detail

      • hasNext

        public boolean hasNext()
        Description copied from interface: MapIterator
        Checks to see if there are more entries still to be iterated.
        Specified by:
        hasNext in interface java.util.Iterator<K>
        Specified by:
        hasNext in interface MapIterator<K,​V>
        Returns:
        true if the iterator has more elements

      • next

        public K next()
        Description copied from interface: MapIterator
        Gets the next key from the Map.
        Specified by:
        next in interface java.util.Iterator<K>
        Specified by:
        next in interface MapIterator<K,​V>
        Returns:
        the next key in the iteration

      • remove

        public void remove()
        Description copied from interface: MapIterator
        Removes the last returned key from the underlying Map (optional operation).

        This method can be called once per call to next().

        Specified by:
        remove in interface java.util.Iterator<K>
        Specified by:
        remove in interface MapIterator<K,​V>

      • getKey

        public K getKey()
        Description copied from interface: MapIterator
        Gets the current key, which is the key returned by the last call to next().
        Specified by:
        getKey in interface MapIterator<K,​V>
        Returns:
        the current key

      • getValue

        public V getValue()
        Description copied from interface: MapIterator
        Gets the current value, which is the value associated with the last key returned by next().
        Specified by:
        getValue in interface MapIterator<K,​V>
        Returns:
        the current value

      • setValue

        public V setValue​(V value)
        Description copied from interface: MapIterator
        Sets the value associated with the current key (optional operation).
        Specified by:
        setValue in interface MapIterator<K,​V>
        Parameters:
        value - the new value
        Returns:
        the previous value

      • reset

        public void reset()
        Description copied from interface: ResettableIterator
        Resets the iterator back to the position at which the iterator was created.
        Specified by:
        reset in interface ResettableIterator<K>

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object