/**
* Discriminate special NF interfaces
*
* <ul>
* <li>COLLECTION: ignored, they are dynamically generated
* <li>CONTENT: if primitive, ignore it
* <li>BINDING: if primitive and DOESN'T HAVE F client interfaces, ignore it
* </ul>
*
* @return true if 'special case', faslse otherwise
*/
private boolean specialCasesForNfType(
String itfName, PAGCMInterfaceType itfType, boolean isPrimitive) {
// COLLECTION interfaces are ignored, because they are generated dynamically
if (itfType.isFcCollectionItf()) {
return true;
}
// CONTENT controller is not created for primitives
if (Constants.CONTENT_CONTROLLER.equals(itfName)
&& !itfType.isFcClientItf()
&& !itfType.isInternal()
&& isPrimitive) {
// logger.warn("Ignored NF Interface '"+ Constants.CONTENT_CONTROLLER +"' declared for
// component '"+ this.componentParameters.getName() + "'");
return true;
}
// BINDING controller is not created for primitives without client interfaces except if it has
// an internal server interface
if (Constants.BINDING_CONTROLLER.equals(itfName)
&& !itfType.isFcClientItf()
&& !itfType.isInternal()
&& isPrimitive) {
if ((Utils.getClientItfTypes(this.componentParameters.getComponentType()).length == 0)
&& !hasNfInternalServerInterfaces()) {
// logger.warn("Ignored NF Interface '"+ Constants.BINDING_CONTROLLER +"' declared for
// component '"+ this.componentParameters.getName() + "'");
return true;
}
}
return false;
}
public static Component[] getSubComponent(Component component, String subComponentName)
throws NoSuchInterfaceException {
List<Component> list = new ArrayList<Component>();
for (Component subComp : Utils.getPAContentController(component).getFcSubComponents()) {
String subCompName =
((PAComponent) subComp).getComponentParameters().getControllerDescription().getName();
if (subCompName.equals(subComponentName)) {
list.add(subComp);
}
}
return list.toArray(new Component[list.size()]);
}
@org.junit.Before
public void deployHelloWorldComponent() {
try {
url = AbstractWebServicesFactory.getLocalUrl();
Component boot = Utils.getBootstrapComponent();
GCMTypeFactory tf = GCM.getGCMTypeFactory(boot);
GenericFactory cf = GCM.getGenericFactory(boot);
ComponentType typeComp =
tf.createFcType(
new InterfaceType[] {
tf.createFcItfType(
"hello-world", HelloWorldItf.class.getName(), false, false, false),
tf.createFcItfType(
"good-bye-world", GoodByeWorldItf.class.getName(), false, false, false)
});
String controllersConfigFileLocation =
AbstractPAWebServicesControllerImpl.getControllerFileUrl("cxf").getPath();
ControllerDescription cd =
new ControllerDescription(
"composite", Constants.PRIMITIVE, controllersConfigFileLocation);
comp =
cf.newFcInstance(
typeComp, cd, new ContentDescription(HelloWorldComponent.class.getName(), null));
GCM.getGCMLifeCycleController(comp).startFc();
// Deploying the service in the Active Object way
WebServicesFactory wsf = AbstractWebServicesFactory.getWebServicesFactory("cxf");
ws = wsf.getWebServices(url);
ws.exposeComponentAsWebService(comp, "server", new String[] {"hello-world"});
ws.exposeComponentAsWebService(comp, "server2");
// Deploying the service using the web service controller
wsc =
org.objectweb.proactive.extensions.webservices.component.Utils.getPAWebServicesController(
comp);
wsc.initServlet();
wsc.setUrl(url);
wsc.exposeComponentAsWebService("server3", new String[] {"hello-world"});
wsc.exposeComponentAsWebService("server4");
} catch (Exception e) {
e.printStackTrace();
assertTrue(false);
}
}
/**
* Returns the component bound to this "itfName" interface. If this is a multicast interface, it
* will try to return one of the, possible many, bound components. If something goes wrong, a null
* value will be returned.
*
* @param component The client component
* @param itfName The name the interface
* @return A bound component, or null if no server component is bound to this interface
* @throws NoSuchInterfaceException
*/
public static Component getBindComponent(Component component, String itfName)
throws NoSuchInterfaceException {
PAInterface itf = (PAInterface) Utils.getPABindingController(component).lookupFc(itfName);
if (itf != null) {
if (((PAGCMInterfaceType) itf.getFcItfType()).isGCMMulticastItf()) {
// TODO: this is not ok, fin other way to deal with multicast interfaces.
return getMulticastBindComponenents(component, itfName)[0];
} else {
return itf.getFcItfOwner();
}
}
return null;
}
/**
* Discriminate special controller interfaces
*
* <ul>
* <li>COLLECTION: ignored??? (TODO:check if this is needed)
* <li>CONTENT: if primitive, ignore it
* <li>BINDING: if primitive and DOESN'T HAVE F client interfaces, ignore it
* <li>Avoid duplicates
* </ul>
*
* @param controllerName
* @param itfType
* @param isPrimitive
* @return
*/
private boolean specialCasesForController(
String controllerName,
PAGCMInterfaceType itfType,
boolean isPrimitive,
String controllersConfigFileLocation) {
// COLLECTION interfaces are ignored, because they are generated dynamically (and an object
// controller shouldn't be a collection, right?)
// if(itfType.isFcCollectionItf()) {
// return true;
// }
// CONTENT controller is not created for primitives
if (Constants.CONTENT_CONTROLLER.equals(controllerName)
&& !itfType.isFcClientItf()
&& !itfType.isInternal()
&& isPrimitive) {
// logger.warn("Ignored controller '"+ Constants.CONTENT_CONTROLLER +"' declared for component
// '"+ this.componentParameters.getName() + "' in file: "+ controllersConfigFileLocation);
return true;
}
// BINDING controller is not created for primitives without client interfaces except if it has
// an internal server interface
if (Constants.BINDING_CONTROLLER.equals(controllerName)
&& !itfType.isFcClientItf()
&& !itfType.isInternal()
&& isPrimitive) {
if ((Utils.getClientItfTypes(this.componentParameters.getComponentType()).length == 0)
&& !hasNfInternalServerInterfaces()) {
// logger.warn("Ignored controller '"+ Constants.BINDING_CONTROLLER +"' declared for
// component '"+ this.componentParameters.getName() + "' in file: "+
// controllersConfigFileLocation);
return true;
}
}
// Controller interface had already been declared (f.e., in the NF Type). Do not create this
// controller.
if (existsNfInterface(controllerName)) {
// logger.warn("Controller interface '"+ controllerName +"' already created. Ignoring this
// controller.");
return true;
}
return false;
}
/**
* Returns the array of components bound the "multicastItfName" multicast interface, or null if it
* fails to getting them.
*
* @param component The client component
* @param multicastItfName The name of the multicast interface
* @return Array of bound components, or null if it fails
*/
public static Component[] getMulticastBindComponenents(
Component component, String multicastItfName) {
try {
Object[] destinationItfs =
Utils.getPAMulticastController(component).lookupGCMMulticast(multicastItfName);
Component[] destinationComps = new Component[destinationItfs.length];
for (int i = 0; i < destinationItfs.length; i++) {
destinationComps[i] = ((PAInterface) destinationItfs[i]).getFcItfOwner();
}
return destinationComps;
} catch (NoSuchInterfaceException e) {
e.printStackTrace();
return null;
}
}
private void addControllers(Map<String, String> controllersConfiguration) {
// create the interface references tables
// the size is the addition of :
// - 1 for the current ItfRef (that is at the same time a binding controller, lifecycle
// controller,
// content controller and name controller
// - the number of client functional interfaces
// - the number of server functional interfaces
// ArrayList interface_references_list = new ArrayList(1
// +componentType.getFcInterfaceTypes().length+controllersConfiguration.size());
this.nfItfs = new HashMap<String, Interface>(1 + controllersConfiguration.size());
// add controllers
// Enumeration controllersInterfaces = controllersConfiguration.propertyNames();
Iterator<String> iteratorOnControllers = controllersConfiguration.keySet().iterator();
Class<?> controllerClass = null;
AbstractPAController currentController;
PAInterface currentInterface = null;
Class<?> controllerItf;
Vector<InterfaceType> nfType = new Vector<InterfaceType>();
while (iteratorOnControllers.hasNext()) {
String controllerItfName = iteratorOnControllers.next();
try {
controllerItf = Class.forName(controllerItfName);
controllerClass = Class.forName(controllersConfiguration.get(controllerItf.getName()));
Constructor<?> controllerClassConstructor =
controllerClass.getConstructor(new Class<?>[] {Component.class});
currentController =
(AbstractPAController) controllerClassConstructor.newInstance(new Object[] {this});
currentInterface =
RepresentativeInterfaceClassGenerator.instance()
.generateControllerInterface(
currentController.getFcItfName(),
this,
(PAGCMInterfaceType) currentController.getFcItfType());
((StubObject) currentInterface).setProxy(this.proxy);
} catch (Exception e) {
logger.error(
"could not create controller "
+ controllersConfiguration.get(controllerItfName)
+ " : "
+ e.getMessage());
continue;
}
if (BindingController.class.isAssignableFrom(controllerClass)) {
if ((this.componentParameters.getHierarchicalType().equals(Constants.PRIMITIVE)
&& (Utils.getClientItfTypes(this.componentParameters.getComponentType()).length == 0)
&& !hasNfInternalServerInterfaces())) {
if (logger.isDebugEnabled()) {
logger.debug(
"user component class of this component does not have any client interface. It will have no BindingController");
}
continue;
}
}
if (ContentController.class.isAssignableFrom(controllerClass)) {
if (Constants.PRIMITIVE.equals(this.componentParameters.getHierarchicalType())) {
// no content controller here
continue;
}
}
if (currentInterface != null) {
this.nfItfs.put(currentController.getFcItfName(), currentInterface);
nfType.add((InterfaceType) currentInterface.getFcItfType());
}
}
try { // Setting the real NF type, as some controllers may not be generated
Component boot = Utils.getBootstrapComponent();
PAGCMTypeFactory type_factory = Utils.getPAGCMTypeFactory(boot);
InterfaceType[] fItfTypes =
((PAComponentType) this.componentParameters.getComponentType()).getFcInterfaceTypes();
InterfaceType[] nfItfTypes = nfType.toArray(new InterfaceType[] {});
this.componentParameters.setComponentType(type_factory.createFcType(fItfTypes, nfItfTypes));
} catch (Exception e) {
e.printStackTrace();
logger.warn("NF type could not be set");
}
}
/**
* Create and add the NF Interfaces using both a component configuration file, and an NF Type.
*
* <ol>
* <li>Creates NF Interfaces from the declared NF Type. If there is non NF Type, this step is
* ignored.
* <li>Creates Object Controllers from the Controllers Configuration File. If some of them
* duplicates interfaces declared in the NF Type, they are ignored. In other words, the
* declared NF Type has priority over the Controllers Configuration File.
* <li>Checks that the mandatory interfaces are declared. In particular, if the membrane
* controller has been previously declared, it is created here.
* <li>Updates the NF Type of the Component.
* </ol>
*
* NOTE: When an NF interface is described in the ADL file, the Factory adds the
* 'membrane-controller' default implementation automatically, so that it is not necessary to
* specify the 'membrane-controller' explicitly.
*/
private void addControllerInterfaces() {
// Vector to collect the real NF type
Vector<InterfaceType> nfType = new Vector<InterfaceType>();
boolean isPrimitive =
Constants.PRIMITIVE.equals(this.componentParameters.getHierarchicalType());
// ------------------------------------------------------------
// 1. Create interfaces from the declared NF type
// Read the NF Type
PAComponentType componentType = (PAComponentType) this.componentParameters.getComponentType();
InterfaceType[] nfItfTypes = componentType.getNfFcInterfaceTypes();
PAGCMInterfaceType[] pagcmNfItfTypes = new PAGCMInterfaceType[nfItfTypes.length];
System.arraycopy(nfItfTypes, 0, pagcmNfItfTypes, 0, nfItfTypes.length);
// Class<?> controllerItf = null;
for (PAGCMInterfaceType pagcmNfItfType : pagcmNfItfTypes) {
String itfName = pagcmNfItfType.getFcItfName();
PAInterface itfRef = null;
try {
// some controllers interfaces are ignored
if (specialCasesForNfType(itfName, pagcmNfItfType, isPrimitive)) continue;
// TODO: check the case MULTICAST && CLIENT, treated in
// PAComponentImpl.addControllerInterfaces, but not here
// Generate the representative interface
itfRef =
RepresentativeInterfaceClassGenerator.instance()
.generateInterface(
pagcmNfItfType.getFcItfName(),
this,
pagcmNfItfType,
pagcmNfItfType.isInternal(),
false);
// update the hashmap and the vector of NF types
this.nfItfs.put(itfName, itfRef);
nfType.add((InterfaceType) itfRef.getFcItfType());
} catch (Exception e) {
throw new ProActiveRuntimeException(
"Could not create NF interface reference'"
+ itfName
+ "' while instantiating component'"
+ this.componentParameters.getName()
+ "'. "
+ e.getMessage(),
e);
}
}
// ------------------------------------------------------------
// 2. Create interfaces from the Controller Configuration file
// read the Controller Configuration File
Map<String, String> controllerEntries = null;
if (this.componentParameters.getControllerDescription().configFileIsSpecified()) {
// Parse controller config file
String controllersConfigFileLocation =
this.componentParameters.getControllerDescription().getControllersConfigFileLocation();
loggerADL.debug("Parsing Controller Configuration File: " + controllersConfigFileLocation);
ComponentConfigurationHandler componentConfiguration =
PAComponentImpl.loadControllerConfiguration(controllersConfigFileLocation);
controllerEntries = componentConfiguration.getControllers();
// Create controller objects from the Controller Configuration File
for (Map.Entry<String, String> controllerEntry : controllerEntries.entrySet()) {
String controllerName = null;
String controllerItfName = controllerEntry.getKey();
String controllerClassName = controllerEntry.getValue();
Class<?> controllerItf = null;
Class<?> controllerClass = null;
AbstractPAController controller = null;
PAInterface itfRef = null;
PAGCMInterfaceType controllerItfType = null;
try {
// fetch the classes
controllerItf = Class.forName(controllerItfName);
controllerClass = Class.forName(controllerClassName);
// Instantiates the controller object, using 'this' component as owner.
Constructor<?> controllerClassConstructor =
controllerClass.getConstructor(new Class[] {Component.class});
controller =
(AbstractPAController) controllerClassConstructor.newInstance(new Object[] {this});
// Obtains the controller interfaceType as declared by the object (in the method
// setControllerItfType)
controllerItfType = (PAGCMInterfaceType) controller.getFcItfType();
// now we can know the name of the controller, and discriminate special cases
controllerName = controllerItfType.getFcItfName();
// Some controllers are not created
if (specialCasesForController(
controllerName, controllerItfType, isPrimitive, controllersConfigFileLocation)) {
continue;
}
if (!controllerItf.isAssignableFrom(controllerClass)) {
logger.error(
"Could not create controller. Class '"
+ controllerClassName
+ " does not implement interface '"
+ controllerItfName
+ ". Check controller configuration file.");
continue;
}
// Generate the representative interface
itfRef =
RepresentativeInterfaceClassGenerator.instance()
.generateControllerInterface(controllerName, this, controllerItfType);
((StubObject) itfRef).setProxy(this.proxy);
} catch (Exception e) {
throw new ProActiveRuntimeException(
"Could not create representative interface for controller '"
+ controllerClassName
+ "' while instantiating component'"
+ this.componentParameters.getName()
+ "'. Check your configuration file "
+ this.componentParameters
.getControllerDescription()
.getControllersConfigFileLocation()
+ " : "
+ e.getMessage(),
e);
}
// add the controller to the controllers interfaces map, and add the controller type to the
// NF type
nfItfs.put(controllerName, itfRef);
nfType.add((InterfaceType) itfRef.getFcItfType());
}
}
// ------------------------------------------------------------
// 3. Check that the mandatory controllers have been created
checkMandatoryControllers(nfType);
// ------------------------------------------------------------
// 4. Set the real NF type, after having created all the NF interfaces
try {
Component boot = Utils.getBootstrapComponent();
PAGCMTypeFactory tf = Utils.getPAGCMTypeFactory(boot);
InterfaceType[] f = this.componentParameters.getComponentType().getFcInterfaceTypes();
InterfaceType[] nf = nfType.toArray(new InterfaceType[] {});
// Re-Set the real ComponentType
this.componentParameters.setComponentType(tf.createFcType(f, nf));
} catch (Exception e) {
logger.error("NF type could not be set");
e.printStackTrace();
}
}
private void registerMethods() {
PAActiveObject.setImmediateService(
"getGCMStatistics",
new Class[] {String.class, String.class, (new Class<?>[] {}).getClass()});
PAActiveObject.setImmediateService("getAllGCMStatistics");
statistics = Collections.synchronizedMap(new HashMap<String, Object>());
keysList = new HashMap<String, String>();
NameController nc = null;
try {
nc = GCM.getNameController(owner);
} catch (NoSuchInterfaceException e) {
e.printStackTrace();
}
String name = nc.getFcName();
Object[] itfs = owner.getFcInterfaces();
for (int i = 0; i < itfs.length; i++) {
Interface itf = (Interface) itfs[i];
InterfaceType itfType = (InterfaceType) itf.getFcItfType();
try {
if (!Utils.isControllerItfName(itf.getFcItfName()) && (!itfType.isFcClientItf())) {
List<MonitorController> subcomponentMonitors = new ArrayList<MonitorController>();
if (isComposite()) {
Iterator<Component> bindedComponentsIterator = null;
if (!((GCMInterfaceType) itfType).isGCMMulticastItf()) {
List<Component> bindedComponent = new ArrayList<Component>();
bindedComponent.add(
((PAInterface) ((PAInterface) itf).getFcItfImpl()).getFcItfOwner());
bindedComponentsIterator = bindedComponent.iterator();
} else {
try {
PAMulticastControllerImpl multicastController =
(PAMulticastControllerImpl)
((PAInterface) GCM.getMulticastController(owner)).getFcItfImpl();
Iterator<PAInterface> delegatee =
multicastController.getDelegatee(itf.getFcItfName()).iterator();
List<Component> bindedComponents = new ArrayList<Component>();
while (delegatee.hasNext()) {
bindedComponents.add(delegatee.next().getFcItfOwner());
}
bindedComponentsIterator = bindedComponents.iterator();
} catch (NoSuchInterfaceException e) {
e.printStackTrace();
}
}
try {
while (bindedComponentsIterator.hasNext()) {
MonitorController monitor =
GCM.getMonitorController(bindedComponentsIterator.next());
monitor.startGCMMonitoring();
subcomponentMonitors.add(monitor);
}
} catch (NoSuchInterfaceException e) {
e.printStackTrace();
}
}
Class<?> klass =
ClassLoader.getSystemClassLoader().loadClass(itfType.getFcItfSignature());
Method[] methods = klass.getDeclaredMethods();
for (Method m : methods) {
Class<?>[] parametersTypes = m.getParameterTypes();
String key =
PAMonitorControllerHelper.generateKey(
itf.getFcItfName(), m.getName(), parametersTypes);
keysList.put(m.getName(), key);
if (subcomponentMonitors.isEmpty()) {
statistics.put(
key,
new MethodStatisticsPrimitiveImpl(
itf.getFcItfName(), m.getName(), parametersTypes));
} else {
statistics.put(
key,
new MethodStatisticsCompositeImpl(
itf.getFcItfName(), m.getName(), parametersTypes, subcomponentMonitors));
}
controllerLogger.debug(
m.getName() + " (server) added to monitoring on component " + name + "!!!");
}
}
} catch (ClassNotFoundException e) {
throw new ProActiveRuntimeException("The interface " + itfType + "cannot be found", e);
}
}
}
/**
* Runs the activity as defined in @see ComponentRunActive. The default behaviour is to serve
* non-functional requests in FIFO order, until the component is started. Then the functional
* activity (as defined in @see InitActive, @see RunActive and @see EndActive) begins.
*
* <p>When redefining the @see RunActive#runActivity(Body) method, the @see Body#isActive()
* returns true as long as the lifecycle of the component is @see LifeCycleController#STARTED.
* When the lifecycle of the component is @see LifeCycleController#STOPPED, @see Body#isActive()
* returns false.
*/
@Override
public void runActivity(Body body) {
if ((componentRunActive != null) && (componentRunActive != this)) {
componentRunActive.runActivity(body);
} else {
// this is the default activity of the active object
// the activity of the component has been initialized and started, now
// what we have to do is to manage the life cycle, i.e. start and stop the
// activity
// that can be redefined on the reified object.
try {
Service componentService = new Service(body);
NFRequestFilterImpl nfRequestFilter = new NFRequestFilterImpl();
MembraneControllerRequestFilter memRequestFilter = new MembraneControllerRequestFilter();
while (body.isActive()) {
ComponentBody componentBody = (ComponentBody) body;
/*
* While the membrane is stopped, serve calls only on the Membrane Controller
*/
while (Utils.getPAMembraneController(componentBody.getPAComponentImpl())
.getMembraneState()
.equals(PAMembraneController.MEMBRANE_STOPPED)) {
componentService.blockingServeOldest(memRequestFilter);
}
while (LifeCycleController.STOPPED.equals(
GCM.getGCMLifeCycleController(componentBody.getPAComponentImpl()).getFcState())) {
PriorityController pc = GCM.getPriorityController(componentBody.getPAComponentImpl());
NF3RequestFilter nf3RequestFilter = new NF3RequestFilter(pc);
if (componentService.getOldest(nf3RequestFilter) != null) {
// NF3 bypass all other request
// System.err.println(
// "STOPPED ComponentActivity : NF3");
componentService.blockingServeOldest(nf3RequestFilter);
} else {
componentService.blockingServeOldest(nfRequestFilter);
}
if (!body.isActive()) {
// in case of a migration
break;
}
}
if (!body.isActive()) {
// in case of a migration
break;
}
// 3.1. init object Activity
// life cycle started : starting activity of the object
if (functionalInitActive != null) {
functionalInitActive.initActivity(body);
// functionalInitActive = null; // we won't do it again
}
((ComponentBody) body).startingFunctionalActivity();
// 3.2 while object activity
// componentServe (includes filter on priority)
functionalRunActive.runActivity(body);
((ComponentBody) body).finishedFunctionalActivity();
if (functionalEndActive != null) {
functionalEndActive.endActivity(body);
}
/*
* While the membrane is started, serve non-functional calls with priority (the
* same as for Lifecycle Stopped)
*/
while (Utils.getPAMembraneController(componentBody.getPAComponentImpl())
.getMembraneState()
.equals(PAMembraneController.MEMBRANE_STARTED)) {
PriorityController pc = GCM.getPriorityController(componentBody.getPAComponentImpl());
NF3RequestFilter nf3RequestFilter = new NF3RequestFilter(pc);
if (componentService.getOldest(nf3RequestFilter) != null) {
// NF3 bypass all other request
// System.err.println(
// "STOPPED ComponentActivity : NF3");
componentService.blockingServeOldest(nf3RequestFilter);
} else {
componentService.blockingServeOldest(nfRequestFilter);
}
if (!body.isActive()) { // Don't know if this is OK
// in case of a migration
break;
}
}
}
} catch (NoSuchInterfaceException e) {
logger.error(
"could not retreive an interface, probably the life cycle controller of this component; terminating the component. Error message is : "
+ e.getMessage());
}
}
}