How to use

method

method

in

org.jgroups.blocks.MethodCall

/**
 * Message contains MethodCall. Execute it against *this* object and return result.
 * Use MethodCall.invoke() to do this. Return result.
 */
public Object handle(Message req) throws Exception {
  if(server_obj == null) {
    log.error(Util.getMessage("NoMethodHandlerIsRegisteredDiscardingRequest"));
    return null;
  }
  if(req == null || req.getLength() == 0) {
    log.error(Util.getMessage("MessageOrMessageBufferIsNull"));
    return null;
  }
  MethodCall method_call=methodCallFromBuffer(req.getRawBuffer(), req.getOffset(), req.getLength(), marshaller);
  if(log.isTraceEnabled())
    log.trace("[sender=%s], method_call: %s", req.getSrc(), method_call);
  if(method_call.mode() == MethodCall.ID) {
    if(method_lookup == null)
      throw new Exception(String.format("MethodCall uses ID=%d, but method_lookup has not been set", method_call.methodId()));
    Method m=method_lookup.findMethod(method_call.methodId());
    if(m == null)
      throw new Exception("no method found for " + method_call.methodId());
    method_call.method(m);
  }
    
  return method_call.invoke(server_obj);
}

/**
 * Message contains MethodCall. Execute it against *this* object and return result.
 * Use MethodCall.invoke() to do this. Return result.
 */
public Object handle(Message req) throws Exception {
  if(server_obj == null) {
    log.error(Util.getMessage("NoMethodHandlerIsRegisteredDiscardingRequest"));
    return null;
  }
  if(req == null || req.getLength() == 0) {
    log.error(Util.getMessage("MessageOrMessageBufferIsNull"));
    return null;
  }
  MethodCall method_call=methodCallFromBuffer(req.getRawBuffer(), req.getOffset(), req.getLength(), marshaller);
  if(log.isTraceEnabled())
    log.trace("[sender=%s], method_call: %s", req.getSrc(), method_call);
  if(method_call.mode() == MethodCall.ID) {
    if(method_lookup == null)
      throw new Exception(String.format("MethodCall uses ID=%d, but method_lookup has not been set", method_call.methodId()));
    Method m=method_lookup.findMethod(method_call.methodId());
    if(m == null)
      throw new Exception("no method found for " + method_call.methodId());
    method_call.method(m);
  }
    
  return method_call.invoke(server_obj);
}