I've got a problem...
I want to copy any object.... So that I've got two Objects of the same class...
How can I manage it, without knowing before, which class it is?
K_O_P wrote ...
2012/2/10
Copy an Object
If I understand you correctly, you'll need your code to figure out the type and then instantiate a new one. One option is to use instanceOf, i.e:
In the above code, thisObject would be your object variable and Class would be which ever class 'it' might be.
The second problem you'll face is making a copy of your first Class. Depending on what type of data you have in it, you may or may not need a 'copy' method rather than just assigning one object into the other. I.E. newX = thisObject will not make a copy but a reference to the first; therefore changing a value in one will be effectively duplicated in the other.
It is also possible to use reflection to create the class, but you need to google that; as it is way beyond the normal skill level here (in my opinion).
1 2 3 | if (thisObject isInstanceof Class) { Class newX = new Class();} |
I know, what you mean!
But what I mean is, to to copy an object with all the variables values... and without checking 100 Classes, till I've got it
Mabye try to use an interface class, where is a method, that returns a copy of each Object
and in the classes, that should be able to be copied:
And the you can use the "duplicate" - Method, if you have a reference to an Object of the class Copy.
For example:
1 2 3 4 | public interface Copy{ Copy duplicate();} |
1 2 3 4 5 6 7 8 9 10 11 12 13 | public class Example extends Actor implements Copy{ private String ExampleName; [...] public Copy duplicate() { Example Exe = new Example(); Exe.ExampleName = this.ExampleName; [...] return Exe; }} |
1 2 3 4 | public Copy getACopyOfTheObject(Copy ObjectToCopy){ return ObjectToCopy.duplicate();} |
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