Class CopyOnWriteArrayList.COWIterator

  • All Implemented Interfaces:
    java.util.Iterator, java.util.ListIterator
    Enclosing class:
    CopyOnWriteArrayList

    protected static class CopyOnWriteArrayList.COWIterator
    extends java.lang.Object
    implements java.util.ListIterator
    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.lang.Object[] array
      Snapshot of the array
      protected int cursor
      Index of element to be returned by subsequent call to next.
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected COWIterator​(java.lang.Object[] elementArray, int initialCursor)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void add​(java.lang.Object o)
      Not supported.
      boolean hasNext()  
      boolean hasPrevious()  
      java.lang.Object next()  
      int nextIndex()  
      java.lang.Object previous()  
      int previousIndex()  
      void remove()
      Not supported.
      void set​(java.lang.Object o)
      Not supported.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
      • Methods inherited from interface java.util.Iterator

        forEachRemaining
    • Field Detail

      • array

        protected final java.lang.Object[] array
        Snapshot of the array
      • cursor

        protected int cursor
        Index of element to be returned by subsequent call to next.
    • Constructor Detail

      • COWIterator

        protected COWIterator​(java.lang.Object[] elementArray,
                              int initialCursor)
    • Method Detail

      • hasNext

        public boolean hasNext()
        Specified by:
        hasNext in interface java.util.Iterator
        Specified by:
        hasNext in interface java.util.ListIterator
      • hasPrevious

        public boolean hasPrevious()
        Specified by:
        hasPrevious in interface java.util.ListIterator
      • next

        public java.lang.Object next()
        Specified by:
        next in interface java.util.Iterator
        Specified by:
        next in interface java.util.ListIterator
      • previous

        public java.lang.Object previous()
        Specified by:
        previous in interface java.util.ListIterator
      • nextIndex

        public int nextIndex()
        Specified by:
        nextIndex in interface java.util.ListIterator
      • previousIndex

        public int previousIndex()
        Specified by:
        previousIndex in interface java.util.ListIterator
      • remove

        public void remove()
        Not supported. Always throws UnsupportedOperationException.
        Specified by:
        remove in interface java.util.Iterator
        Specified by:
        remove in interface java.util.ListIterator
        Throws:
        java.lang.UnsupportedOperationException - remove is not supported by this Iterator.
      • set

        public void set​(java.lang.Object o)
        Not supported. Always throws UnsupportedOperationException.
        Specified by:
        set in interface java.util.ListIterator
        Throws:
        java.lang.UnsupportedOperationException - set is not supported by this Iterator.
      • add

        public void add​(java.lang.Object o)
        Not supported. Always throws UnsupportedOperationException.
        Specified by:
        add in interface java.util.ListIterator
        Throws:
        java.lang.UnsupportedOperationException - add is not supported by this Iterator.