/**
* Determine if two tuples are equal. Tuples are equal if they have the same
* arity and all of the elements are equal.
*
* @param o
* the tuple to compare to.
*
* @return true if the tuples have the same arity and all the elements are
* equal.
*/
public override bool Equals(Object o)
{
if (!(o is OtpErlangTuple))
{
return(false);
}
OtpErlangTuple t = (OtpErlangTuple)o;
int a = arity();
if (a != t.arity())
{
return(false);
}
for (int i = 0; i < a; i++)
{
if (!elems[i].Equals(t.elems[i]))
{
return(false); // early exit
}
}
return(true);
}
/**
* Receive an RPC reply from the remote Erlang node. This convenience
* function receives a message from the remote node, and expects it to have
* the following format:
*
* <pre>
* { rex, Term }
* </pre>
*
* @return the second element of the tuple if the received message is a
* two-tuple, otherwise null. No further error checking is
* performed.
*
* @exception java.io.IOException
* if the connection is not active or a communication
* error occurs.
*
* @exception OtpErlangExit
* if an exit signal is received from a process on the
* peer node.
*
* @exception OtpAuthException
* if the remote node sends a message containing an
* invalid cookie.
*/
public OtpErlangObject receiveRPC()
{
OtpErlangObject msg = receive();
if (msg is OtpErlangTuple)
{
OtpErlangTuple t = (OtpErlangTuple)msg;
if (t.arity() == 2)
{
return(t.elementAt(1)); // obs: second element
}
}
return(null);
}
