* @returns a StatQuestThroughputCommonFlow for the generation of projekt progress data
*/
public StatQuestProjectProgressData getProjectProgressInterface() {
if (this.projectProgressData == null) { // initialize datasource with default selection
this.projectProgressData = new StatQuestProjectProgressData();
}
synchronized (this.projectProgressData) {
try {
this.projectProgressData.setCommonWorkflow(this.myProjekt.getWorkFlow());