Getting Db4o blobs out of the Database without storing them to disk

Question

Is there a way to get a Db4o Blob out of the Database without storing it to disk?
I only found the method void com.db4o.types.Blob.writeTo(File arg0)

Gamlor · Accepted Answer · 2010-09-13 16:03:28Z

2

Unfortunately not =( There's no work around (except changing the db4o code). You have to work with files to use the db4o-blob type.

I agree that this is quite annoying.

As alternative you could use byte[]-arrays, which are more convenient to work with. However mind the db4o file-size limitation when your using byte[]-arrays as blob.

Just some additional notes:

You also need to poll for the state, which is also very annoying.
Note that the blob IO runs outside the transaction.

answered Sep 13, 2010 at 16:03

Gamlor

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