/**
* Do right thing with passed key, add to deletes or add to candidates.
*
* @param kv
* @return True if we added a candidate
*/
boolean handle(final KeyValue kv) {
if (kv.isDelete()) {
handleDeletes(kv);
return false;
}
return addCandidate(kv);
}
protected void doReconstructionLog(
final Path oldCoreLogFile,
final long minSeqId,
final long maxSeqId,
final Progressable reporter)
throws UnsupportedEncodingException, IOException {
Path trxPath = new Path(oldCoreLogFile.getParent(), THLog.HREGION_OLD_THLOGFILE_NAME);
// We can ignore doing anything with the Trx Log table, it is
// not-transactional.
if (super.getTableDesc().getNameAsString().equals(HBaseBackedTransactionLogger.TABLE_NAME)) {
return;
}
THLogRecoveryManager recoveryManager = new THLogRecoveryManager(this);
Map<Long, WALEdit> commitedTransactionsById =
recoveryManager.getCommitsFromLog(trxPath, minSeqId, reporter);
if (commitedTransactionsById != null && commitedTransactionsById.size() > 0) {
LOG.debug("found " + commitedTransactionsById.size() + " COMMITED transactions to recover.");
for (Entry<Long, WALEdit> entry : commitedTransactionsById.entrySet()) {
LOG.debug(
"Writing " + entry.getValue().size() + " updates for transaction " + entry.getKey());
WALEdit b = entry.getValue();
for (KeyValue kv : b.getKeyValues()) {
// FIXME need to convert these into puts and deletes. Not sure this is
// the write way.
// Could probably combine multiple KV's into single put/delete.
// Also timestamps?
if (kv.getType() == KeyValue.Type.Put.getCode()) {
Put put = new Put();
put.add(kv);
super.put(put);
} else if (kv.isDelete()) {
Delete del = new Delete(kv.getRow());
if (kv.isDeleteFamily()) {
del.deleteFamily(kv.getFamily());
} else if (kv.isDeleteType()) {
del.deleteColumn(kv.getFamily(), kv.getQualifier());
}
}
}
}
LOG.debug("Flushing cache"); // We must trigger a cache flush,
// otherwise we will would ignore the log on subsequent failure
if (!super.flushcache()) {
LOG.warn("Did not flush cache");
}
}
}
