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public interface Item
Internal interface for all entries and diagrams. All object implementing this interface are observable and could save or load their history status.
Method Summary | |
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Entry |
fetchEntry()
Get entry representing the diagram or current Entry object. |
Methods inherited from interface cz.psika.numerist.History |
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createMemento, setMemento |
Methods inherited from interface cz.psika.numerist.ItemObservable |
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addObserver, deleteObserver, notifyObservers |
Method Detail |
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Entry fetchEntry()
Entry
object.
Beware of that the object returned is always original, not just copy.
This method is called often, so we need direct access to instance.
Whenever you need copy of the object, implement that functionality
elsewhere out of this interface.
Entry
object
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