// BSD License (http://www.galagosearch.org/license)

 package org.galagosearch.core.util;

 public class IntArray {

     int[] _array;

     int _position;

     public IntArray(int capacity) {

         _array = new int[capacity];

         _position = 0;

     }

     public IntArray() {

         this(16);

     }

     public void add(int value) {

         if(_position == _array.length) {

             // grow array if we're out of space

             _array = _copyArray(_array.length * 2);

         }

         _array[_position] = value;

         _position += 1;

     }

     public int[] getBuffer() {

         return _array;

     }

     public int getPosition() {

         return _position;

     }

     private int[] _copyArray(int newSize) {

         int[] result = new int[newSize];

         System.arraycopy(_array, 0, result, 0, _position);

         return result;

     }

     public int[] toArray() {

         return _copyArray(_position);

     }

 }