/**
* Checks if the row is valid according to the query. If a query is done on a specific column and
* the row does not contain this column the row is considered invalid.
*
* @param row The row to check.
* @return True if the query doesn't have a specific column or a row contains the column used with
* the query or False otherwise.
*/
@Override
protected boolean isValidRow(Result row) {
Query localQuery = this.query;
if (localQuery != null && localQuery.getWord() != null) {
return row.containsColumn(
Bytes.toBytesBinary(localQuery.getFamily()), Bytes.toBytesBinary(localQuery.getColumn()));
}
return true;
}
@Override
public long getLogPosition(String queueId, String filename) throws ReplicationException {
try {
byte[] rowKey = queueIdToRowKey(queueId);
Get getOffset = new Get(rowKey);
getOffset.addColumn(CF_QUEUE, Bytes.toBytes(filename));
Result result = getResultIfOwner(getOffset);
if (result == null || !result.containsColumn(CF_QUEUE, Bytes.toBytes(filename))) {
throw new ReplicationException(
"Could not read empty result while getting log position "
+ "queueId="
+ queueId
+ ", filename="
+ filename);
}
return Bytes.toLong(result.getValue(CF_QUEUE, Bytes.toBytes(filename)));
} catch (IOException e) {
throw new ReplicationException(
"Could not get position in log for queueId=" + queueId + ", filename=" + filename);
}
}