ArraySlice.java

Go to the documentation of this file.

/*
 * Created on Nov 5, 2009
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package edu.tum.cs.util.datastruct;

public class ArraySlice<T> implements Iterable<T> {
        T[] a;
        int iFirst, iLast;
        
        public ArraySlice(T[] a, int first, int end) {
                this.a = a;
                iFirst = first;
                if(iFirst < 0)
                        iFirst += a.length;
                if(end < 0)
                        end += a.length;
                else 
                        if(end > a.length)
                                end = a.length;
                iLast = end-1;
        }
        
        public ArraySlice(T[] a, int first) {
                this(a, first, a.length);
        }

        public java.util.Iterator<T> iterator() {               
                return new Iterator();
        }
        
        protected class Iterator implements java.util.Iterator<T> {
                protected int iNext;
                
                public Iterator() {
                        iNext = iFirst;
                }
                
                public boolean hasNext() {                      
                        return iNext <= iLast;
                }
        
                public T next() {
                        return a[iNext++];                      
                }
        
                public void remove() {
                        throw new RuntimeException("remove is not supported by this iterator");         
                }
        }
}

---

mod_vis
Author(s): Moritz Tenorth, Jakob Engel
autogenerated on Fri Jan 11 09:54:14 2013