package edu.berkeley.nlp.classify; public class Feature { private Object obj ; private int index ; public Feature(Object obj, int index) { this.obj = obj; this.index = index; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((obj == null) ? 0 : obj.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Feature other = (Feature) obj; if (this.obj == null) { if (other.obj != null) return false; } else if (!this.obj.equals(other.obj)) return false; return true; } public String toString() { return obj.toString(); } public int getIndex() { return index; } }