+ if (mapObjNameStub.containsKey(strObjectName)) {
+ RuntimeOutput.print("IoTSlave: Getting back object on slave: " + strObjectName, BOOL_VERBOSE);
+ stubObjConv = clsInf.cast(mapObjNameStub.get(strObjectName));
+ } else {
+ // Instantiate the stub and put in the object
+ String strObjStubName = sMainObjectName + "." + sMessage.getObjectStubInterfaceName() + STUB_CLASS_SUFFIX;
+ Class<?> clsStub = Class.forName(strObjStubName); // Port number is integer
+ Class[] clsStubParams = { int.class, String.class, String.class, int.class, int[].class };
+ Constructor<?> objStubCons = clsStub.getDeclaredConstructor(clsStubParams);
+ Integer[] portsInteger = sMessage.getRMICallbackPorts();
+ int[] ports = Arrays.stream(portsInteger).mapToInt(Integer::intValue).toArray();
+
+ int rev = 0;
+ String callbackAddress = InetAddress.getLocalHost().getHostAddress(); // Callback address is this machine's address
+ Object objStubParams[] = { sMessage.getRMIStubPort(), sMessage.getHostAddress(), callbackAddress,
+ rev, ports };
+ RuntimeOutput.print("IoTSlave: Creating RMI stub: " +
+ sMessage.getHostAddress() + ":" + sMessage.getRMIRegPort() +
+ " with callback address: " + callbackAddress + " and RMI stub port: " + sMessage.getRMIStubPort(), BOOL_VERBOSE);
+ Object stubObj = objStubCons.newInstance(objStubParams);
+ // Class conversion to interface class of this class,
+ // e.g. ProximitySensorImpl has ProximitySensor interface
+ RuntimeOutput.print("IoTSlave: Registering new stub object: " + strObjectName, BOOL_VERBOSE);
+ mapObjNameStub.put(strObjectName, stubObj);
+ stubObjConv = clsInf.cast(stubObj);
+ }