org.eclipse.smila.taskworker

Interface Worker

All Known Implementing Classes:

DeltaCheckerWorker, ExtractorWorkerBase, FeedCrawlerWorker, FileCrawlerWorker, FileExtractorWorker, FileFetcherWorker, FinishTaskWorker, JdbcCrawlerWorker, JdbcFetcherWorker, PipeletProcessorWorker, PipelineProcessorWorker, ProcessingWorker, UpdatePusherWorker, WebCrawlerWorker, WebExtractorWorker, WebFetcherWorker, WorkerUsingDeltaService

public interface Worker

Interface for task workers implementing the worker function perform(TaskContext). The implementation must be thread safe.

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	getName()
void	perform(TaskContext taskContext) Performs a computation on the data available in the TaskContext, such as a task for this worker, input and (if configured) output slots.

Method Detail

perform

void perform(TaskContext taskContext)
             throws java.lang.Exception

Performs a computation on the data available in the TaskContext, such as a task for this worker, input and (if configured) output slots. An implementor must make sure, calls to this method must be thread-safe!

Parameters:

taskContext - the TaskContext information with which this operation can be performed.

Throws:

java.lang.Exception

getName

java.lang.String getName()

Returns:

the name of the worker. The worker function will be executed for tasks tied to this worker name.