How to transition from binary to json serialization

The Quartz.NET Version Migration Guide states that binary serialization is not supported when targeting .NET Core.

We are migrating our application from .NET Framework to .NET Core and so far we have used binary as our serialization format.

Is there an official guide on how to transition from binary to json? Do we have to manually convert the tables columns from varbinary to varchar and if so which ones and how?

Here is our current configuration:

new NameValueCollection
{
    { "quartz.jobStore.type", "Quartz.Impl.AdoJobStore.JobStoreTX, Quartz" },
    { "quartz.serializer.type", "binary" },
    { "quartz.jobStore.dataSource", "myDS" },
    { "quartz.dataSource.myDS.connectionString", "xxxx" },
    { "quartz.dataSource.myDS.provider", "SqlServer" },
    { "quartz.scheduler.instanceName", "xxxx scheduler" },
};

[lahma]

Thank you @peabnuts123 for sharing your solution, I’ve updated the JSON serialization integration documentation to include these tips and the sample serializer. I’ve also linked to this doc from migration guide.

[lahma]

@lahma @dsedmak It looks like this is 100% incompatible with .NET Standard or .NET Core, as the NameValueCollection class is no-longer marked as “Serializable”. This produces behaviour seen in a few other issues on here (#672, #661) wherein trying to use “binary” serialisation while running in a .NET Core (or, presumably .NET Standard) throws a runtime exception.

OK I can understand your pain, that’s bad.

What about creating a composite IObjectSerializer that reads using BinaryObjectSerializer and writes back using JsonObjectSerializer (and configuring that for for the job store)? This would require you to create an app that uses Quartz API to load all relevant entities (triggers, jobs and calendars I guess) and then persist them back to database again effectively transforming the format?