/**
* Used to submit a batch to the import thread pool. Note that this method can block (due to the
* use of a blocking queue in the thread pool).
*
* @param batch The batch to submit <i>(may be null or empty, although that will result in a
* no-op)</i>.
*/
private void submitBatch(final Batch batch) {
if (batch != null && batch.size() > 0) {
if (importStatus.inProgress() && !importStatus.isStopping()) {
importThreadPool.execute(new BatchImportJob(batch));
} else {
if (warn(log)) warn(log, "New batch submitted during shutdown - ignoring new work.");
}
}
}
