public static <T> BatchingVisitable<T> getOrderedVisitableUsingSublists(
final OrderedSublistProvider<T> sublistProvider,
@Inclusive final long startId,
final Function<T, Long> idFunction) {
BatchingVisitable<T> visitableWithDuplicates =
new AbstractBatchingVisitable<T>() {
@Override
protected <K extends Exception> void batchAcceptSizeHint(
int batchSizeHint, ConsistentVisitor<T, K> v) throws K {
long nextId = startId;
boolean abortedOrFinished = false;
while (!abortedOrFinished) {
List<T> resultBatchWithDuplicates =
sublistProvider.getBatchAllowDuplicates(nextId, batchSizeHint);
boolean abortedByVisitor = !v.visit(resultBatchWithDuplicates);
nextId = nextIdStart(resultBatchWithDuplicates, batchSizeHint, idFunction);
boolean finishedAllBatches = nextId == -1L;
abortedOrFinished = abortedByVisitor || finishedAllBatches;
}
}
};
return BatchingVisitables.unique(visitableWithDuplicates);
}
public static BatchingVisitable<Long> getOrderedVisitableUsingSublists(
final OrderedSublistProvider<Long> sublistProvider, @Inclusive final long startId) {
return BatchingVisitables.getOrderedVisitableUsingSublists(
sublistProvider, startId, Functions.<Long>identity());
}
