Java Code Examples for org.apache.hadoop.hbase.KeyValue#getType()

@SuppressWarnings("deprecation")
public void add(KeyValue kv){
  if (pointDeleteCode != kv.getType()) {
    allPointDeletes = false;
  }
  batch.add(kv);
}
 

@Override
public Collection<Pair<Mutation, byte[]>> getIndexUpdateForFilteredRows(
    Collection<KeyValue> filtered) throws IOException {

  // stores all the return values
  IndexUpdateManager updateMap = new IndexUpdateManager();
  // batch the updates by row to make life easier and ordered
  Collection<Batch> batches = batchByRow(filtered);

  for (Batch batch : batches) {
    Put p = new Put(batch.getKvs().iterator().next().getRow());
    for (KeyValue kv : batch.getKvs()) {
      // we only need to cleanup Put entries
      byte type = kv.getType();
      Type t = KeyValue.Type.codeToType(type);
      if (!t.equals(Type.Put)) {
        continue;
      }

      // add the kv independently
      p.add(kv);
    }

    // do the usual thing as for deletes
    Collection<Batch> timeBatch = createTimestampBatchesFromMutation(p);
    LocalTableState state = new LocalTableState(env, localTable, p);
    for (Batch entry : timeBatch) {
      //just set the timestamp on the table - it already has all the future state
      state.setCurrentTimestamp(entry.getTimestamp());
      this.addDeleteUpdatesToMap(updateMap, state, entry.getTimestamp());
    }
  }
  return updateMap.toMap();
}
 

public boolean isRowDeleted(Collection<KeyValue> pendingUpdates) {
    int nDeleteCF = 0;
    for (KeyValue kv : pendingUpdates) {
        if (kv.getType() == KeyValue.Type.DeleteFamily.getCode()) {
            nDeleteCF++;
            boolean isEmptyCF = Bytes.compareTo(kv.getFamily(), dataEmptyKeyValueCF) == 0;
            // This is what a delete looks like on the client side for immutable indexing...
            if (isEmptyCF) {
                return true;
            }
        }
    }
    // This is what a delete looks like on the server side for mutable indexing...
    return nDeleteCF == this.nDataCFs;
}
 

/**
 * Validate that a single-version delete is not used. Having to do this for now because transactional delete
 * mechansim will currently treat DeleteColumn the same as Delete which could cause confusion.
 */
public static void validateDelete(final Delete delete) throws SingleVersionDeleteNotSupported {
    Collection<List<KeyValue>> values = delete.getFamilyMap().values();
    for (List<KeyValue> value : values) {
        for (KeyValue kv : value) {
            if (Type.Delete.getCode() == kv.getType()) {
                throw new SingleVersionDeleteNotSupported();
            }
        }
    }
}
 

public void add(KeyValue kv){
  if (pointDeleteCode != kv.getType()) {
    allPointDeletes = false;
  }
  batch.add(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");
        }
    }
}