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Normal Topic Tag Object not Saved (Read 2148 times)
alukes
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Tag Object not Saved
Oct 4th, 2011 at 1:49am
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I create an object stored as a tag.
I then can read and write to the StepInfo object, but when I save and then restore the diagram, the tag is null.

box.setTag(new StepInfo());

public void nodeSelected(NodeEvent e) {
if (e.getNode() instanceof ShapeNode) {
NodeModify(e);
}

private void NodeModify(NodeEvent e) {
workingNode = e.getNode();
nodeTag = (StepInfo) workingNode.getTag();



I am using diagram.SaveTo and diagram.loadFrom

Do I need to save using XML? If so, could you give me an example using Java?

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Stoyo
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Re: Tag Object not Saved
Reply #1 - Oct 4th, 2011 at 6:05am
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StepInfo must implement either the Serializable or Externalizable interface in order to be saved in binary format. If you prefer XML format, you must handle the serializeTag and deserializeTag events to implement serialization. For an example, check the PageProps class from the SiteMap sample project and the serialize/deserializeTag handlers.

I hope that helps,
Stoyan
  
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alukes
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Re: Tag Object not Saved
Reply #2 - Oct 5th, 2011 at 1:29pm
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Implemented serialization. Works great. Sorry for the newbie question, but I am a newie.


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