+
+ @Override
+ public int hashCode()
+ {
+ final int prime = 31;
+ int result = 1;
+ result = prime * result + ((e1 == null) ? 0 : e1.hashCode());
+ result = prime * result + ((e2 == null) ? 0 : e2.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;
+ Tuple2<?, ?> other = (Tuple2<?, ?>) obj;
+ if (e1 == null)
+ {
+ if (other.e1 != null)
+ return false;
+ } else if (!e1.equals(other.e1))
+ return false;
+ if (e2 == null)
+ {
+ if (other.e2 != null)
+ return false;
+ } else if (!e2.equals(other.e2))
+ return false;
+ return true;
+ }