Examples with IDataFlowController org.apache.asterix.external.api.IDataFlowController used on opensource projects

Example 1 with IDataFlowController

use of org.apache.asterix.external.api.IDataFlowController in project asterixdb by apache.

the class GenericAdapterFactory method createAdapter.

/**
     * Runs on each node controller (after serialization-deserialization)
     */
@Override
public synchronized IDataSourceAdapter createAdapter(IHyracksTaskContext ctx, int partition) throws HyracksDataException {
    INCServiceContext serviceCtx = ctx.getJobletContext().getServiceContext();
    INcApplicationContext appCtx = (INcApplicationContext) serviceCtx.getApplicationContext();
    try {
        restoreExternalObjects(serviceCtx, appCtx.getLibraryManager());
    } catch (Exception e) {
        LOGGER.log(Level.INFO, "Failure restoring external objects", e);
        throw HyracksDataException.create(e);
    }
    if (isFeed) {
        if (feedLogManager == null) {
            feedLogManager = FeedUtils.getFeedLogManager(ctx, partition, feedLogFileSplits);
        }
        feedLogManager.touch();
    }
    IDataFlowController controller = DataflowControllerProvider.getDataflowController(recordType, ctx, partition, dataSourceFactory, dataParserFactory, configuration, indexingOp, isFeed, feedLogManager);
    if (isFeed) {
        return new FeedAdapter((AbstractFeedDataFlowController) controller);
    } else {
        return new GenericAdapter(controller);
    }
}