Esempio n. 1
0
  public static int hashCode(Key key) {
    final int prime = 31;
    int result = 1;

    for (int i = 0; i < key.size(); i++) {
      result = prime * result + hashCode(key.valueAt(i));
    }

    return result;
  }
Esempio n. 2
0
  public static String toString(Key k) {
    StringBuilder sb = new StringBuilder();
    sb.append("{");

    for (int i = 0; i < k.size(); i++) {
      if (i > 0) {
        sb.append(", ");
      }

      sb.append(k.fieldAt(i).getName());
      sb.append("=");
      sb.append(k.valueAt(i));
    }

    sb.append("}");
    return sb.toString();
  }
Esempio n. 3
0
  public static boolean equals(Key a, Object other) {
    if (other == null || !(other instanceof Key)) {
      return false;
    }

    Key b = (Key) other;

    if (a.size() != b.size()) {
      return false;
    }

    for (int i = 0; i < a.size(); i++) {
      if (!equals(a.valueAt(i), b.valueAt(i))) {
        return false;
      }
    }

    return true;
  }