Examples with NoMoreEntriesException org.apache.accumulo.proxy.thrift.NoMoreEntriesException used on opensource projects

Example 1 with NoMoreEntriesException

use of org.apache.accumulo.proxy.thrift.NoMoreEntriesException in project accumulo by apache.

the class ProxyServer method nextK.

@Override
public ScanResult nextK(String scanner, int k) throws NoMoreEntriesException, UnknownScanner, org.apache.accumulo.proxy.thrift.AccumuloSecurityException, TException {
    // fetch the scanner
    ScannerPlusIterator spi = getScanner(scanner);
    Iterator<Map.Entry<Key, Value>> batchScanner = spi.iterator;
    // synchronized to prevent race conditions
    synchronized (batchScanner) {
        ScanResult ret = new ScanResult();
        ret.setResults(new ArrayList<>());
        int numRead = 0;
        try {
            while (batchScanner.hasNext() && numRead < k) {
                Map.Entry<Key, Value> next = batchScanner.next();
                ret.addToResults(new KeyValue(Util.toThrift(next.getKey()), ByteBuffer.wrap(next.getValue().get())));
                numRead++;
            }
            ret.setMore(numRead == k);
        } catch (Exception ex) {
            closeScanner(scanner);
            throw new org.apache.accumulo.proxy.thrift.AccumuloSecurityException(ex.toString());
        }
        return ret;
    }
}