[Feature Request] ReadOnly Box

[Afsar-Pasha]

Request for ReadOnly Box which can read data without write permission(Ex.from flutter assets)

[simc]

I will look into this...

[bolasim]

I would also find this super helpful. Let me know if you need a hand.

[bolasim]

Any update on this? Also, if this is implemented, can you read directly from assets (for flutter) instead of having to copy over the box?

[simc]

@re-bola I'm still working on this and yes you will be able to open a box directly from the assets. It will look somehow like this:

var bytes = rootBundle.load('assets/myBox.hive');
var box = Hive.openBoxFromBytes('myBox', bytes);

Would that be okay?

[bolasim]

Looks good. Will it still support LazyBoxes?

[simc]

Not in combination with read only boxes from bytes. It makes no sense since you cannot write to boxes from bytes anyways...

But the regular lazy boxes will still be there...

[simc]

This has been resolved in v1.1.0. You can use Hive.openBoxFromBytes().

[X-Wei]

Seems openBoxFromBytes() method is not present in hive v2.0 -- how can we open a box in read-only mode now?

[fredrikbaberg]

@X-Wei I think the bytes argument should be used now. Not sure where I saw it described, but it's what I'm using in my current project. You could try the following code snippet; I've only tested it targeting Windows in debug mode but hope it helps.

var _bytes = await rootBundle
            .load(path)
            .then((value) => value.buffer.asUint8List());
        _box = await Hive.openBox(
          name,
          bytes: _bytes,
        );

[X-Wei]

Thanks @fredrikbaberg !

But explicitly adding read-only boxes would be helpful, e.g. we could make concurrent access to read-only boxes possible. @leisim WDYT?