AirBrush Medium article example

TinyThumbDataFetcher.kt

class TinyThumbDataFetcher(private val thumb: TinyThumb) : DataFetcher<TinyThumb> {

    override fun loadData(
        priority: Priority, 
        callback: DataFetcher.DataCallback<in TinyThumb>
    ) = callback.onDataReady(thumb)
    
    override fun getDataClass(): Class<TinyThumb> = TinyThumb::class.java
    override fun getDataSource(): DataSource = DataSource.LOCAL
    override fun cleanup() { /* Do nothing */ }
    override fun cancel() { /* Do nothing */ }
}