DownloadIndex

Kotlin |Java

@WorkerThread
@UnstableApi
interface DownloadIndex

Known direct subclasses

WritableDownloadIndex

A writable index of Downloads.

Known indirect subclasses

DefaultDownloadIndex

A DownloadIndex that uses SQLite to persist Downloads.

An index of Downloads.

Summary

Public functions
`Download?`	`getDownload(id: String!)` Returns the `Download` with the given `id`, or null.
`DownloadCursor!`	`getDownloads(@Download.State states: IntArray!)` Returns a `DownloadCursor` to `Download`s with the given `states`.

fun getDownload(id: String!): Download?

Returns the Download with the given id, or null.

This method may be slow and shouldn't normally be called on the main thread.

Parameters
`id: String!`	ID of a `Download`.

Returns
`Download?`	The `Download` with the given `id`, or null if a download state with this id doesn't exist.

Throws
`java.io.IOException`	If an error occurs reading the state.

fun getDownloads(@Download.State states: IntArray!): DownloadCursor!

Returns a DownloadCursor to Downloads with the given states.

This method may be slow and shouldn't normally be called on the main thread.

Parameters
`@Download.State states: IntArray!`	Returns only the `Download`s with this states. If empty, returns all.

Returns
`DownloadCursor!`	A cursor to `Download`s with the given `states`.

Throws
`java.io.IOException`	If an error occurs reading the state.