code: public static InstancesLoadResult restoreInstances( ManagedApplication ma ) {
  
  		File sourceFile = new File( ma.getDirectory(), Constants.PROJECT_DIR_INSTANCES + "/" + INSTANCES_FILE );
  		Graphs graphs = ma.getApplication().getTemplate().getGraphs();
  		InstancesLoadResult result;
  		if( sourceFile.exists())
  			result = RuntimeModelIo.loadInstances( sourceFile, sourceFile.getParentFile(), graphs, ma.getApplication().getName());
  		else
  			result = new InstancesLoadResult();
  
  		return result;
  	}
docs: Restores instances and set them in the application.
  @param ma the application
  @param configurationDirectory the configuration directory