Linking tasks in schedullingGantt pojo based

Hello dudes,
I made schedulling gantt based on pojo, as in adfFacesDemoApp. I want to join some tasks with line, as I read the docs, it looks like should be possible, but somehow doesn't work for me. I have class TaskDependecy.java as in adfFacesDemo. If i put breakpoint on
public class TaskDependency {
    private Task m_from;
    private Task m_to;
    private String m_type;
    public TaskDependency(Task from, Task to, String type)
        m_from = from;
        m_to = to;
        m_type = type;
    public String getFromId()
*        return m_from.getTaskId();
debugger stops. It means gantt tries to find dependencies, but somehow fails to draw them. Any ideas how to fix? Is it really possible to link tasks in scheduling gant?

I'm not entirely sure I know what is going on here but I think I have an idea.
POJO datasources use a 'push' data model which means that you are responsible for gathering the data and pushing it into the report. This means the data must be collected and be ready when the report is run.
When you embed the subreport inside the main report you are able to push the data into the subreport at the time of rendering.
When you link the report you are saying that you only want to run the when you click on the report. In this case you have to wait for the end user to click on it. I'm pretty sure that Crystal Reports won't prerun the report so that the POJO data will be available.
When the subreport link link gets clicked the engine will go and look for the data but it will no longer be available. Does that make sense?
<a href="/blog/10">Rob's blog - http://diamond.businessobjects.com/robhorne</a>

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