org.wikidata.query.rdf.tool.change

Interface Change.Source<B extends Change.Batch>

All Known Implementing Classes:

IdListChangeSource, IdRangeChangeSource, RecentChangesPoller

Enclosing class:

Change

public static interface Change.Source<B extends Change.Batch>

Detects changes. Implementations should store all state in subclasses of Change.Batch.

Method Summary

Modifier and Type	Method and Description
B	firstBatch() Fetch the first batch.
B	nextBatch(B lastBatch) Fetches the next batch after lastBatch.

Method Detail

firstBatch

B firstBatch()
      throws RetryableException

Fetch the first batch.

Throws:

RetryableException - is the fetch fails in a retryable way

nextBatch

B nextBatch(B lastBatch)
     throws RetryableException

Fetches the next batch after lastBatch.

Throws:

RetryableException - is the fetch fails in a retryable way