public void removeFromChildrenTasks() {
List<Task<? extends Serializable>> childrenTasks = this.getChildTasks();
if (childrenTasks == null) {
return;
}
for (Task<? extends Serializable> childTsk : childrenTasks) {
// remove this task from its children tasks
childTsk.getParentTasks().remove(this);
// recursively remove non-parent task from its children
List<Task<? extends Serializable>> siblingTasks = childTsk.getParentTasks();
if (siblingTasks == null || siblingTasks.size() == 0) {
childTsk.removeFromChildrenTasks();
}
}
}
