public void update(IContainerRootMarshalled model, UpdateCallback callback)
{
_service.update(model, callback, _caller);
}
public UUIDModelImpl(Guid guid, IContainerRootMarshalled cc)
{
this.guid = guid;
this.cc = cc;
}
public void compareAndSwap(IContainerRootMarshalled model, Guid uuid, UpdateCallback callback)
{
_service.compareAndSwap(model, uuid, callback, _caller);
}
public AdaptationModel plan(IContainerRootMarshalled current, IContainerRootMarshalled target,
ITracesSequence sequence)
{
return((_node as NodeType).plan(current, target, sequence));
}
public UpdateContext(IContainerRootMarshalled currentModel, IContainerRootMarshalled proposedModel, String callerPath)
{
this.currentModel = currentModel;
this.proposedModel = proposedModel;
this.callerPath = callerPath;
}
public void update(IContainerRootMarshalled model, UpdateCallback callback)
{
_service.update(model, callback, _caller);
}
public AdaptationModel plan(IContainerRootMarshalled current, IContainerRootMarshalled target,
ITracesSequence sequence )
{
return (_node as NodeType).plan(current, target, sequence);
}
public void compareAndSwap(IContainerRootMarshalled model, Guid uuid, UpdateCallback callback, String callerPath)
{
scheduler.Add(() => UpdateModelRunnable(model, uuid, callback, callerPath));
}
public void compareAndSwap(IContainerRootMarshalled model, Guid uuid, UpdateCallback callback)
{
_service.compareAndSwap(model, uuid, callback, _caller);
}
private void switchToNewModel(IContainerRootMarshalled c)
{
ContainerRoot cc = CloneContainerRoot(c);
if (!c.isReadOnly())
{
cc = (ContainerRoot)kevoreeFactory.createModelCloner().clone(cc, true);
}
// current model is backed-up
UUIDModel previousModel = model;
if (previousModel != null)
{
models.AddLast(previousModel);
}
// TODO : MAGIC NUMBER ;-) , ONLY KEEP 10 PREVIOUS MODEL
if (models.Count > 15)
{
models.RemoveFirst();
}
// Changes the current model by the new model
if (cc != null)
{
UUIDModel uuidModel = new UUIDModelImpl(Guid.NewGuid(), new ContainerRootMarshalled(cc));
this.model = uuidModel;
// Fires the update to listeners
modelListeners.notifyAllListener();
}
}
private void UpdateModelRunnable(IContainerRootMarshalled targetModel, Guid? uuid, UpdateCallback callback,
string callerPath)
{
bool res = false;
if (this.getCurrentLock() != null)
{
if (uuid.Equals(this.getCurrentLock().getGuid()))
{
res = this.internalUpdateModel(targetModel, callerPath);
}
else
{
//Log.debug("Core Locked , bad UUID {}", uuid);
res = false; // LOCK REFUSED !
}
}
else
{
// COMMON CHECK
if (uuid != null)
{
if (this.model != null && uuid.Equals(this.model.getUUID()))
{
res = this.internalUpdateModel(targetModel, callerPath);
}
else
{
res = false;
}
}
else
{
res = this.internalUpdateModel(targetModel, callerPath);
}
}
bool finalRes = res;
new Thread(new ThreadStart(() =>
{
if (callback != null)
{
callback(finalRes);
}
})).Start();
}
private bool internalUpdateModel(IContainerRootMarshalled proposedNewModel, string callerPath)
{
if (proposedNewModel.findNodesByID(this.nodeName) == null)
{
return false;
}
try
{
var readOnlyNewModel = CloneContainerRoot(proposedNewModel);
if (readOnlyNewModel.isReadOnly())
{
readOnlyNewModel = (ContainerRoot)kevoreeFactory.createModelCloner().clone(readOnlyNewModel, false);
readOnlyNewModel.setGenerated_KMF_ID(nodeName + "@" + callerPath + "#" + java.lang.System.nanoTime());
readOnlyNewModel = (ContainerRoot)kevoreeFactory.createModelCloner().clone(readOnlyNewModel, true);
}
else
{
readOnlyNewModel.setGenerated_KMF_ID(nodeName + "@" + callerPath + "#" + java.lang.System.nanoTime());
}
pending = proposedNewModel;
// Model check is OK.
ContainerRoot currentModel;
if (this.model != null)
{
var serialized = this.model.getModel().serialize();
var kf = new org.kevoree.factory.DefaultKevoreeFactory();
currentModel = (ContainerRoot)kf.createJSONLoader().loadModelFromString(serialized).get(0);
}
else
{
currentModel = null;
}
UpdateContext updateContext = new UpdateContext(new ContainerRootMarshalled(currentModel), new ContainerRootMarshalled(readOnlyNewModel), callerPath);
bool preCheckResult = modelListeners.preUpdate(updateContext);
bool initUpdateResult = modelListeners.initUpdate(updateContext);
if (preCheckResult && initUpdateResult)
{
IContainerRootMarshalled newmodel = new ContainerRootMarshalled(readOnlyNewModel);
// CHECK FOR HARA KIRI
IContainerRootMarshalled previousHaraKiriModel = null;
// Checks and bootstrap the node
checkBootstrapNode(newmodel);
if (this.model != null)
{
var serialized = this.model.getModel().serialize();
var kf = new org.kevoree.factory.DefaultKevoreeFactory();
currentModel = (ContainerRoot)kf.createJSONLoader().loadModelFromString(serialized).get(0);
}
else
{
currentModel = null;
}
long milli = java.lang.System.currentTimeMillis();
bool deployResult;
try
{
if (nodeInstance != null)
{
// Compare the two models and plan the adaptation
// Log.info("Comparing models and planning
// adaptation.")
var dkf = new DefaultKevoreeFactory();
var modelCompare = dkf.createModelCompare();
// TODO : clean up -> cloned
var newmodel2 = CloneContainerRoot(newmodel);
var traces = modelCompare.diff(currentModel, newmodel2);
AdaptationModel adaptationModel = nodeInstance.plan(new ContainerRootMarshalled(currentModel), newmodel, new TracesMarshalled(traces));
// Execution of the adaptation
updateContext = new UpdateContext(new ContainerRootMarshalled(currentModel), new ContainerRootMarshalled(newmodel2), callerPath);
UpdateContext final_updateContext = updateContext;
Func<bool> afterUpdateTest = () => { return modelListeners.afterUpdate(final_updateContext); };
Func<bool> postRollbackTest = () =>
{
modelListeners.postRollback(final_updateContext);
return true;
};
Func<bool> preCmdPreRollbackTest = getPreCmdPreRollbackTest(updateContext, modelListeners);
IContainerNodeMarshalled rootNode = newmodel.findNodesByID(getNodeName());
deployResult = PrimitiveCommandExecutionHelper.execute(this, rootNode,
adaptationModel, nodeInstance, afterUpdateTest, preCmdPreRollbackTest,
postRollbackTest);
if (deployResult)
{
this.model = new UUIDModelImpl(Guid.NewGuid(), newmodel);
}
}
else
{
deployResult = false;
}
}
catch (Exception e)
{
loggerMaster.Error(e.StackTrace);
deployResult = false;
}
if (deployResult)
{
switchToNewModel(newmodel);
}
else
{
// KEEP FAIL MODEL, TODO
// IF HARAKIRI
if (previousHaraKiriModel != null)
{
internalUpdateModel(previousHaraKiriModel, callerPath);
previousHaraKiriModel = null; // CLEAR
}
}
long milliEnd = java.lang.System.currentTimeMillis() - milli;
//pending = null;
return deployResult;
}
else
{
return false;
}
}
catch (java.lang.Throwable)
{
return false;
}
}
private ContainerRoot CloneContainerRoot(IContainerRootMarshalled newmodel)
{
var kf = new DefaultKevoreeFactory();
JSONModelLoader loader = new JSONModelLoader(kf);
var serialized = newmodel.serialize();
return (ContainerRoot)loader.loadModelFromString(serialized).get(0);
}
private void checkBootstrapNode(IContainerRootMarshalled currentModel)
{
try
{
if (nodeInstance == null)
{
IContainerNodeMarshalled foundNode = currentModel.findNodesByID(getNodeName());
if (foundNode != null)
{
nodeInstance = bootstrapNodeType(currentModel, getNodeName());
if (nodeInstance != null)
{
nodeInstance.Start();
UUIDModelImpl uuidModel = new UUIDModelImpl(Guid.NewGuid(), new ContainerRootMarshalled(kevoreeFactory.createContainerRoot()));
// TODO : check for concurrency problems here.
this.model = uuidModel;
}
}
}
}
catch (java.lang.Throwable)
{
// TODO is it possible to display the following log ?
try
{
if (nodeInstance != null)
{
// TODO : Mieux gérer les erreurs
/*Method met = resolver.resolve(org.kevoree.annotation.Stop.class);
met.invoke(nodeInstance);
*/
}
}
catch (java.lang.Throwable)
{
}
finally
{
}
nodeInstance = null;
// resolver = null;
}
}
private INodeRunner bootstrapNodeType(IContainerRootMarshalled model, String nodeName)
{
var containerNode = model.findNodesByID(nodeName);
if (containerNode != null)
{
return bootstrapService.createInstance(containerNode);
}
else
{
return null;
}
}
public void update(IContainerRootMarshalled model, UpdateCallback callback, string callerPath)
{
scheduler.Add(() => UpdateModelRunnable(model, null, callback, callerPath));
}
