org.apache.shindig.gadgets.preload
Class PipelinedDataPreloader

java.lang.Object
  org.apache.shindig.gadgets.preload.PipelinedDataPreloader

public class PipelinedDataPreloader
extends Object

Processes a single batch of pipeline data into tasks.

Constructor Summary

PipelinedDataPreloader(RequestPipeline requestPipeline, ContainerConfig config)

Method Summary

Collection<Callable<PreloadedData>>	createPreloadTasks(GadgetContext context, PipelinedData.Batch batch) Create preload tasks from a batch of social and http preloads
protected HttpResponse	executeSocialRequest(HttpRequest request) Hook for executing a JSON RPC fetch for social data.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PipelinedDataPreloader

@Inject
public PipelinedDataPreloader(RequestPipeline requestPipeline,
                                     ContainerConfig config)

Method Detail

createPreloadTasks

public Collection<Callable<PreloadedData>> createPreloadTasks(GadgetContext context,
                                                              PipelinedData.Batch batch)

Create preload tasks from a batch of social and http preloads

executeSocialRequest

protected HttpResponse executeSocialRequest(HttpRequest request)
                                     throws GadgetException

Hook for executing a JSON RPC fetch for social data. Subclasses can override to provide special handling (e.g., directly invoking a local API)

Parameters:

request - the social request

Returns:

the response to the request

Throws:

GadgetException - if there are errors processing the gadget spec