ContentPager.QueryRunner


public interface ContentPager.QueryRunner

Known direct subclasses
LoaderQueryRunner

A ContentPager.QueryRunner that executes queries using a LoaderManager.


Implementations of this interface provide the mechanism for execution of queries off the UI thread.

Summary

Nested types

Callback that receives a cursor once a query as been executed on the Runner.

Public methods

abstract void

Attempt to cancel a (presumably) running query.

abstract boolean
abstract void
query(
    @NonNull Query query,
    @NonNull ContentPager.QueryRunner.Callback callback
)

Execute a query.

Public methods

cancel

Added in 1.0.0
abstract void cancel(@NonNull Query query)

Attempt to cancel a (presumably) running query.

Parameters
@NonNull Query query

The query in question.

isRunning

Added in 1.0.0
abstract boolean isRunning(@NonNull Query query)
Parameters
@NonNull Query query

The query in question.

Returns
boolean

true if the query is already running.

query

Added in 1.0.0
abstract void query(
    @NonNull Query query,
    @NonNull ContentPager.QueryRunner.Callback callback
)

Execute a query.

Parameters
@NonNull Query query

The query that will be run. This value should be handed back to the callback when ready to run in the background.

@NonNull ContentPager.QueryRunner.Callback callback

The callback that should be called to both execute the query (in the background) and to receive the results (in the foreground).