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  Serialisation problems.  (Read 1369 times)
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Offline zappsweden

Junior Member




Java games rock!


« Posted 2006-03-23 15:36:24 »

I am programming a game and have now turned towards the load/save functionality. Instead of designing documents describing all parameters that need to be saved I instead plan to save objects using Serialization Cheesy

Not sure how many kilobytes or even Megabytes that will result in. I have experienced that there are some classes from the Java API that needs to be made transient. java.awt.Image is one of them it seems. I store Images inside objects, but instead i could just save the String name of the Image and use createImage everytime i call "getImage()" on the object. I am not sure if that will slow the game down, but once loaded, the Image should be in the heap-memory for later hence quick access?

Anyway, I have some options to choose from and I wanna use the most neat option that works long term and is scaleable (since I do not know if there might be many more classes out there that will face the same problem)

1) Storing Strings instead of images and creating Image with method call
2) Use transient
3) Using extended classes of for instance java.awt.Image and make them implement the Serializable Interface
Offline zappsweden

Junior Member




Java games rock!


« Reply #1 - Posted 2006-03-23 16:19:27 »

If some of my Objects I store have fields which are vectors, will storing the Object manage to store the Vector and all the objects inside?
Offline Mr_Light

Senior Member




shiny.


« Reply #2 - Posted 2006-03-23 20:52:31 »

make them transient and handle storing and retrieving them yourself.

It's harder to read code than to write it. - it's even harder to write readable code.

The gospel of brother Riven: "The guarantee that all bugs are in *your* code is worth gold." Amen brother a-m-e-n.
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Offline DzzD
« Reply #3 - Posted 2006-03-23 21:13:39 »

If some of my Objects I store have fields which are vectors, will storing the Object manage to store the Vector and all the objects inside?

yes if your vector and all object inside implments Serializable but as mentionned above,  you will save a lot of memory by overloading the writeObject and readObject method and doing that work by yourself

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