Class UnmodifiableIterator

  • All Implemented Interfaces:
    java.util.Iterator, Unmodifiable

    public final class UnmodifiableIterator
    extends java.lang.Object
    implements java.util.Iterator, Unmodifiable
    Decorates an iterator such that it cannot be modified.
    Since:
    Commons Collections 3.0
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.Iterator decorate​(java.util.Iterator iterator)
      Decorates the specified iterator such that it cannot be modified.
      boolean hasNext()  
      java.lang.Object next()  
      void remove()  
      • Methods inherited from class java.lang.Object

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

        forEachRemaining
    • Method Detail

      • decorate

        public static java.util.Iterator decorate​(java.util.Iterator iterator)
        Decorates the specified iterator such that it cannot be modified.

        If the iterator is already unmodifiable it is returned directly.

        Parameters:
        iterator - the iterator to decorate
        Throws:
        java.lang.IllegalArgumentException - if the iterator is null
      • hasNext

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

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

        public void remove()
        Specified by:
        remove in interface java.util.Iterator