// Retrieves the row from the table and check if it exists and has not been flagged as deleted
protected Map<RecordId, Result> getRows(List<RecordId> recordIds, List<FieldType> fields)
throws RecordException {
Map<RecordId, Result> results = new HashMap<RecordId, Result>();
try {
List<Get> gets = new ArrayList<Get>();
for (RecordId recordId : recordIds) {
Get get = new Get(recordId.toBytes());
// Add the columns for the fields to get
addFieldsToGet(get, fields);
get.setMaxVersions(1); // Only retrieve the most recent version of each field
gets.add(get);
}
// Retrieve the data from the repository
int i = 0;
for (Result result : recordTable.get(gets)) {
if (result == null || result.isEmpty()) {
i++; // Skip this recordId (instead of throwing a RecordNotFoundException)
continue;
}
// Check if the record was deleted
byte[] deleted = recdec.getLatest(result, RecordCf.DATA.bytes, RecordColumn.DELETED.bytes);
if ((deleted == null) || (Bytes.toBoolean(deleted))) {
i++; // Skip this recordId (instead of throwing a RecordNotFoundException)
continue;
}
results.put(recordIds.get(i++), result);
}
} catch (IOException e) {
throw new RecordException(
"Exception occurred while retrieving records '" + recordIds + "' from HBase table", e);
}
return results;
}
// Retrieves the row from the table and check if it exists and has not been flagged as deleted
protected Result getRow(
RecordId recordId, Long version, int numberOfVersions, List<FieldType> fields)
throws RecordException {
Result result;
Get get = new Get(recordId.toBytes());
get.setFilter(REAL_RECORDS_FILTER);
try {
// Add the columns for the fields to get
addFieldsToGet(get, fields);
if (version != null)
get.setTimeRange(0, version + 1); // Only retrieve data within this timerange
get.setMaxVersions(numberOfVersions);
// Retrieve the data from the repository
result = recordTable.get(get);
if (result == null || result.isEmpty()) throw new RecordNotFoundException(recordId);
} catch (IOException e) {
throw new RecordException(
"Exception occurred while retrieving record '" + recordId + "' from HBase table", e);
}
return result;
}