static final String REPOSITORY_LOC = "file:///C:/data/buildtest/target/repository" ;
	private IProvisioningAgent agent ;
	private UpdateOperation operation ;
	private URI uri = null ;
	
	@Inject
	public UpdateManager(IProvisioningAgentProvider provider, LoggerFactory loggerFactory)
	{
		//...
                uri = new URI(REPOSITORY_LOC) ;
		agent = provider.createAgent(uri) ;
		//...
	}
	
	public void update(LifecycleRV rv) throws InterruptedException
	{	
		UpdateStatus preparationStatus = prepareUpdateJob() ;
		UpdateStatus finalStatus ;
                //...
		finalStatus = doUpdateJob() ;
               //...
	}
	
	private UpdateStatus prepareUpdateJob()
	{
		//...
		operation = initOperation() ;
		IStatus check = operation.resolveModal(null) ;
		
		logger.debug(String.format("updateOperation resolved with details : %s", operation.getResolutionDetails()));
		
		IProvisioningPlan plan = operation.getProvisioningPlan() ;
		if (plan == null)
			logger.error("Provisioningplan null") ;
		//...
	}
	
	private UpdateOperation initOperation()
	{		
		ProvisioningSession session = new ProvisioningSession(agent);
		UpdateOperation result = new UpdateOperation(session);		
		result.getProvisioningContext().setArtifactRepositories(new URI[] { uri });
	    result.getProvisioningContext().setMetadataRepositories(new URI[] { uri });
	    return result ;
	}
	
	private UpdateStatus doUpdateJob()
	{
		if (operation == null)
			return UpdateStatus.UPDATE_NOK ;
		ProvisioningJob job = operation.getProvisioningJob(null);
		
		if (job == null)
			return UpdateStatus.UPDATE_NOK;

		IStatus status = job.runModal(null) ;
                //...
}

@Inject
	public UpdateManager(IProvisioningAgent agent, LoggerFactory loggerFactory)
	{
		//...
                uri = new URI(REPOSITORY_LOC) ;
		final ProvisioningSession session = new ProvisioningSession(agent);
		//etc.
	}

private void printIStatus(IStatus status)
	{
		System.err.println() ;
		System.err.printf("UpdateStatus NOK : %s", status.getMessage()) ;
		System.err.println() ;
		if (status.getException() != null)
			System.err.printf("Error : %s", status.getException()) ;
		
		if (status.isMultiStatus())
		{
			for (int i = 0 ; i < status.getChildren().length ; ++i)
			{
				printIStatus(status.getChildren()[i]) ;
			}
		}
	}