How to use

RecordIteratorImpl

in

com.oberasoftware.jasdb.writer.transactional

@Override
public RecordIteratorImpl readAllRecords(int limit) throws DatastoreException {
  return new RecordIteratorImpl(this, HEADER_SIZE, limit);
}

@Override
public boolean hasNext() {
  if(nextLoadedRecord == null) {
    loadNextRecord();
  }
  return nextLoadedRecord != null && (foundRecords <= limit || limit == -1);
}

private void loadRecords() throws JasDBStorageException {
  for(RecordIteratorImpl recordIterator = writer.readAllRecords(); recordIterator.hasNext(); ) {
    RecordResultImpl recordResult = recordIterator.next();
    Entity entity = SimpleEntity.fromStream(recordResult.getStream());
    String type = entity.getValue(Constants.META_TYPE).toString();
    if(type.equals(Constants.INSTANCE_TYPE)) {
      InstanceMeta instance = InstanceMeta.fromEntity(entity);
      instanceMetaMap.put(instance.getInstanceId(), new MetaWrapper<>(instance, recordResult.getRecordPointer()));
    } else if(type.equals(Constants.BAG_TYPE)) {
      BagMeta bagMeta = BagMeta.fromEntity(entity);
      String bagId = getBagKey(bagMeta.getInstanceId(), bagMeta.getName());
      bagMetaMap.put(bagId, new MetaWrapper<>(bagMeta, recordResult.getRecordPointer()));
    } else if(metadataProviders.containsKey(type)) {
      metadataProviders.get(type).registerMetadataEntity(entity, recordResult.getRecordPointer());
    } else {
      throw new JasDBStorageException("Unable to load metadata record: " + entity.toString() + " unknown type: " + type);
    }
  }
}

@Override
public RecordResultImpl next() {
  if(nextLoadedRecord == null) {
    loadNextRecord();
  }
  RecordResultImpl loadedRecord = nextLoadedRecord;
  nextLoadedRecord = null;
  return loadedRecord;
}