Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.RowMutation

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    {
        AbstractType<?> comparator = getComparator(keyspace);

        // if true we need to wrap RowMutation into CounterMutation
        boolean hasCounterColumn = false;
        RowMutation rm = new RowMutation(keyspace, key);

        for (Map.Entry<Term, Operation> column : getColumns().entrySet())
        {
            ByteBuffer colName = column.getKey().getByteBuffer(comparator);
            Operation op = column.getValue();

            if (op.isUnary())
            {
                if (hasCounterColumn)
                    throw new InvalidRequestException("Mix of commutative and non-commutative operations is not allowed.");

                ByteBuffer colValue = op.a.getByteBuffer(getValueValidator(keyspace, colName));

                validateColumn(metadata, colName, colValue);
                rm.add(new QueryPath(columnFamily, null, colName),
                       colValue,
                       (timestamp == null) ? getTimestamp(clientState) : timestamp,
                       getTimeToLive());
            }
            else
            {
                hasCounterColumn = true;

                if (!column.getKey().getText().equals(op.a.getText()))
                    throw new InvalidRequestException("Only expressions like X = X + <long> are supported.");

                long value;

                try
                {
                    value = Long.parseLong(op.b.getText());
                }
                catch (NumberFormatException e)
                {
                    throw new InvalidRequestException(String.format("'%s' is an invalid value, should be a long.",
                                                      op.b.getText()));
                }

                rm.addCounter(new QueryPath(columnFamily, null, colName), value);
            }
        }

        return (hasCounterColumn) ? new CounterMutation(rm, getConsistencyLevel()) : rm;
    }
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                if (expiredCallbackInfo.shouldHint())
                {
                    assert expiredCallbackInfo.message != null;
                    try
                    {
                        RowMutation rm = RowMutation.fromBytes(expiredCallbackInfo.message.getMessageBody(), expiredCallbackInfo.message.getVersion());
                        return StorageProxy.scheduleLocalHint(rm, expiredCallbackInfo.target, null, null);
                    }
                    catch (IOException e)
                    {
                        logger_.error("Unable to deserialize mutation when writting hint for: " + expiredCallbackInfo.target);
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      // since retRow is the resolved row it can be used as the super set
      Row diffRow = rowList.get(i).diff(retRow);
      if(diffRow == null) // no repair needs to happen
        continue;
      // create the row mutation message based on the diff and schedule a read repair
      RowMutation rowMutation = new RowMutation(table, key);                 
          for (ColumnFamily cf : diffRow.getColumnFamilies())
          {
              rowMutation.add(cf);
          }
            RowMutationMessage rowMutationMessage = new RowMutationMessage(rowMutation);
          ReadRepairManager.instance().schedule(endPoints.get(i),rowMutationMessage);
    }
        logger_.info("resolve: " + (System.currentTimeMillis() - startTime) + " ms.");
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    public Collection<RowMutation> augment(ByteBuffer key, ColumnFamily update)
    {
        List<RowMutation> mutations = new ArrayList<>();
        for (Column cell : update)
        {
            RowMutation mutation = new RowMutation(properties.getProperty("keyspace"), cell.value());
            mutation.add(properties.getProperty("columnfamily"), cell.name(), key, System.currentTimeMillis());
            mutations.add(mutation);
        }
        return mutations;
    }
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        // Adds enough data to trigger multiple sstable per level
        for (int r = 0; r < rows; r++)
        {
            DecoratedKey key = Util.dk(String.valueOf(r));
            RowMutation rm = new RowMutation(ksname, key.key);
            for (int c = 0; c < columns; c++)
            {
                rm.add(new QueryPath(cfname, null, ByteBufferUtil.bytes("column" + c)), value, 0);
            }
            rm.apply();
            store.forceBlockingFlush();
        }

        // Execute LCS in parallel
        ExecutorService executor = new ThreadPoolExecutor(4, 4,
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        String keyspace_string = keyspace.toString();

        AvroValidation.validateKey(keyspace_string);
        AvroValidation.validateColumnPath(keyspace_string, cp);

        RowMutation rm = new RowMutation(keyspace_string, key.toString());
        try
        {
            rm.add(new QueryPath(column_family, super_column, column), value.array(), timestamp);
        }
        catch (MarshalException e)
        {
            throw newInvalidRequestException(e.getMessage());
        }
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    }

    // FIXME: This is copypasta from o.a.c.db.RowMutation, (RowMutation.getRowMutation uses Thrift types directly).
    private static RowMutation getRowMutation(String keyspace, String key, Map<Utf8, GenericArray<ColumnOrSuperColumn>> cfmap)
    {
        RowMutation rm = new RowMutation(keyspace, key.trim());
        for (Map.Entry<Utf8, GenericArray<ColumnOrSuperColumn>> entry : cfmap.entrySet())
        {
            String cfName = entry.getKey().toString();
            for (ColumnOrSuperColumn cosc : entry.getValue())
            {
                if (cosc.column == null)
                {
                    assert cosc.super_column != null;
                    for (Column column : cosc.super_column.columns)
                    {
                        QueryPath path = new QueryPath(cfName, cosc.super_column.name.array(), column.name.array());
                        rm.add(path, column.value.array(), column.timestamp);
                    }
                }
                else
                {
                    assert cosc.super_column == null;
                    QueryPath path = new QueryPath(cfName, null, cosc.column.name.array());
                    rm.add(path, cosc.column.value.array(), cosc.column.timestamp);
                }
            }
        }
        return rm;
    }
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                    // but just in case there is no harm in trying them.
                    continue;
                }

                /* deserialize the commit log entry */
                final RowMutation rm = RowMutation.serializer().deserialize(new DataInputStream(bufIn));
                if (logger.isDebugEnabled())
                    logger.debug(String.format("replaying mutation for %s.%s: %s",
                                                rm.getTable(),
                                                rm.key(),
                                                "{" + StringUtils.join(rm.getColumnFamilies(), ", ") + "}"));
                final Table table = Table.open(rm.getTable());
                tablesRecovered.add(table);
                final Collection<ColumnFamily> columnFamilies = new ArrayList<ColumnFamily>(rm.getColumnFamilies());
                final long entryLocation = reader.getFilePointer();
                Runnable runnable = new WrappedRunnable()
                {
                    public void runMayThrow() throws IOException
                    {
                        /* remove column families that have already been flushed before applying the rest */
                        for (ColumnFamily columnFamily : columnFamilies)
                        {
                            int id = table.getColumnFamilyId(columnFamily.name());
                            if (!clHeader.isDirty(id) || entryLocation < clHeader.getPosition(id))
                            {
                                rm.removeColumnFamily(columnFamily);
                            }
                        }
                        if (!rm.isEmpty())
                        {
                            Table.open(rm.getTable()).apply(rm, null, false);
                        }
                        counter.decrementAndGet();
                    }
                };
                counter.incrementAndGet();
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                    // but just in case there is no harm in trying them.
                    continue;
                }

                /* deserialize the commit log entry */
                final RowMutation rm = RowMutation.serializer().deserialize(new DataInputStream(bufIn));
                if (logger.isDebugEnabled())
                    logger.debug(String.format("replaying mutation for %s.%s: %s",
                                                rm.getTable(),
                                                rm.key(),
                                                "{" + StringUtils.join(rm.getColumnFamilies(), ", ") + "}"));
                final Table table = Table.open(rm.getTable());
                tablesRecovered.add(table);
                final Collection<ColumnFamily> columnFamilies = new ArrayList<ColumnFamily>(rm.getColumnFamilies());
                final long entryLocation = reader.getFilePointer();
                Runnable runnable = new WrappedRunnable()
                {
                    public void runMayThrow() throws IOException
                    {
                        /* remove column families that have already been flushed before applying the rest */
                        for (ColumnFamily columnFamily : columnFamilies)
                        {
                            int id = table.getColumnFamilyId(columnFamily.name());
                            if (!clHeader.isDirty(id) || entryLocation < clHeader.getPosition(id))
                            {
                                rm.removeColumnFamily(columnFamily);
                            }
                        }
                        if (!rm.isEmpty())
                        {
                            Table.open(rm.getTable()).apply(rm, null, false);
                        }
                        counter.decrementAndGet();
                    }
                };
                counter.incrementAndGet();
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        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        ByteBuffer key = ByteBufferUtil.bytes("k");
        RowMutation rm = new RowMutation("Keyspace1", key);
        rm.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("c")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
        assertDigest(cfs, Integer.MAX_VALUE, true);
    }
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