/*
  * (non-Javadoc)
  *
  * @see java.lang.Object#equals(java.lang.Object)
  */
 @Override
 public boolean equals(Object obj) {
   if (this == obj) {
     return true;
   }
   if (obj == null) {
     return false;
   }
   if (!(obj instanceof NodeAnnotationInfo)) {
     return false;
   }
   NodeAnnotationInfo other = (NodeAnnotationInfo) obj;
   if (annotation == null) {
     if (other.annotation != null) {
       return false;
     }
   } else if (!annotation.equals(other.annotation)) {
     return false;
   }
   if (node == null) {
     if (other.node != null) {
       return false;
     }
   } else if (!node.equals(other.node)) {
     return false;
   }
   if (which == null) {
     if (other.which != null) {
       return false;
     }
   } else if (!which.equals(other.which)) {
     return false;
   }
   return true;
 }
 /*
  * (non-Javadoc)
  *
  * @see java.lang.Object#hashCode()
  */
 @Override
 public int hashCode() {
   final int prime = 31;
   int result = 1;
   result = prime * result + ((annotation == null) ? 0 : annotation.hashCode());
   result = prime * result + ((node == null) ? 0 : node.hashCode());
   result = prime * result + ((which == null) ? 0 : which.hashCode());
   return result;
 }