/**
* Sends a message to all members and expects responses from members in dests (if non-null).
*
* @param dests A list of group members from which to expect responses (if the call is blocking).
* @param msg The message to be sent
* @param options A set of options that govern the call. See {@link
* org.jgroups.blocks.RequestOptions} for details
* @return RspList A list of Rsp elements
* @throws Exception If the request cannot be sent
* @since 2.9
*/
public <T> RspList<T> castMessage(
final Collection<Address> dests, Message msg, RequestOptions options) throws Exception {
GroupRequest<T> req = cast(dests, msg, options, true);
return req != null ? req.getResults() : new RspList();
}
