Examples with ExpiredIteratorException com.amazonaws.services.dynamodbv2.model.ExpiredIteratorException used on opensource projects

Example 1 with ExpiredIteratorException

use of com.amazonaws.services.dynamodbv2.model.ExpiredIteratorException in project camel by apache.

the class DdbStreamConsumer method poll.

@Override
protected int poll() throws Exception {
    GetRecordsResult result;
    try {
        GetRecordsRequest req = new GetRecordsRequest().withShardIterator(shardIteratorHandler.getShardIterator(null)).withLimit(getEndpoint().getMaxResultsPerRequest());
        result = getClient().getRecords(req);
    } catch (ExpiredIteratorException e) {
        LOG.warn("Expired Shard Iterator, attempting to resume from " + lastSeenSequenceNumber, e);
        GetRecordsRequest req = new GetRecordsRequest().withShardIterator(shardIteratorHandler.getShardIterator(lastSeenSequenceNumber)).withLimit(getEndpoint().getMaxResultsPerRequest());
        result = getClient().getRecords(req);
    }
    List<Record> records = result.getRecords();
    Queue<Exchange> exchanges = createExchanges(records, lastSeenSequenceNumber);
    int processedExchangeCount = processBatch(CastUtils.cast(exchanges));
    shardIteratorHandler.updateShardIterator(result.getNextShardIterator());
    if (!records.isEmpty()) {
        lastSeenSequenceNumber = records.get(records.size() - 1).getDynamodb().getSequenceNumber();
    }
    return processedExchangeCount;
}