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Erschienen in:
2007 | OriginalPaper | Buchkapitel
Persistency
Erschienen in: Web Component Development with Zope 3
Verlag: Springer Berlin Heidelberg
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In the previous chapters, we have seen what content objects can look like. You can store and provide data with getters and setters, or you can use the pythonic attribute approach. In either case, the values were stored inside the object instance. That means when the instance is gone, the data the instance is holding is gone, too. This is obviously not a practical approach. When we make a content component that is designed to store data over a period of time, we would like to be able to restart our application without losing that data. This chapter will show you how to do that.