Package org.apache.cassandra.db.filter

Examples of org.apache.cassandra.db.filter.QueryPath

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    }

    private static void deleteHintKey(String tableName, byte[] key) throws IOException
    {
        RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, tableName);
        rm.delete(new QueryPath(HINTS_CF, key, null), System.currentTimeMillis());
        rm.apply();
    }
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        for (String tableName : DatabaseDescriptor.getTables())
        {
            byte[] startColumn = ArrayUtils.EMPTY_BYTE_ARRAY;
            while (true)
            {
                QueryFilter filter = new SliceQueryFilter(tableName, new QueryPath(HINTS_CF), startColumn, ArrayUtils.EMPTY_BYTE_ARRAY, false, PAGE_SIZE);
                ColumnFamily hintColumnFamily = ColumnFamilyStore.removeDeleted(hintStore.getColumnFamily(filter), Integer.MAX_VALUE);
                if (pagingFinished(hintColumnFamily, startColumn))
                    break;
                Collection<IColumn> keys = hintColumnFamily.getSortedColumns();
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        CFMetaData metadata = ThriftValidation.validateColumnFamily(keyspace, column_path.column_family);
        ThriftValidation.validateColumnPath(metadata, column_path);
        ThriftValidation.validateConsistencyLevel(keyspace, consistency_level);

        QueryPath path = new QueryPath(column_path.column_family, column_path.column == null ? null : column_path.super_column);
        List<ByteBuffer> nameAsList = Arrays.asList(column_path.column == null ? column_path.super_column : column_path.column);
        ThriftValidation.validateKey(metadata, key);
        ReadCommand command = new SliceByNamesReadCommand(keyspace, key, path, nameAsList);

        Map<DecoratedKey, ColumnFamily> cfamilies = readColumnFamily(Arrays.asList(command), consistency_level);
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        ThriftValidation.validateColumnData(metadata, column);

        RowMutation rm = new RowMutation(state().getKeyspace(), key);
        try
        {
            rm.add(new QueryPath(column_parent.column_family, column_parent.super_column, column.name), column.value, column.timestamp, column.ttl);
        }
        catch (MarshalException e)
        {
            throw new InvalidRequestException(e.getMessage());
        }
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        ThriftValidation.validateColumnPathOrParent(metadata, column_path);
        if (isCommutativeOp)
            ThriftValidation.validateCommutativeForWrite(metadata, consistency_level);

        RowMutation rm = new RowMutation(state().getKeyspace(), key);
        rm.delete(new QueryPath(column_path), timestamp);

        if (isCommutativeOp)
            doInsert(consistency_level, Arrays.asList(new CounterMutation(rm, consistency_level)));
        else
            doInsert(consistency_level, Arrays.asList(rm));
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        ThriftValidation.validateColumnNames(metadata, column_parent, Arrays.asList(column.name));

        RowMutation rm = new RowMutation(keyspace, key);
        try
        {
            rm.addCounter(new QueryPath(column_parent.column_family, column_parent.super_column, column.name), column.value);
        }
        catch (MarshalException e)
        {
            throw new InvalidRequestException(e.getMessage());
        }
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    public static void purgeIncompatibleHints() throws IOException
    {
        // 0.6->0.7
        final ByteBuffer hintsPurged6to7 = ByteBufferUtil.bytes("Hints purged as part of upgrading from 0.6.x to 0.7");
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter dotSeven = QueryFilter.getNamesFilter(decorate(COOKIE_KEY), new QueryPath(STATUS_CF), hintsPurged6to7);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(dotSeven);
        if (cf == null)
        {
            // upgrading from 0.6 to 0.7.
            logger.info("Upgrading to 0.7. Purging hints if there are any. Old hints will be snapshotted.");
            new Truncation(Table.SYSTEM_TABLE, HintedHandOffManager.HINTS_CF).apply();
            RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, COOKIE_KEY);
            rm.add(new QueryPath(STATUS_CF, null, hintsPurged6to7), ByteBufferUtil.bytes("oh yes, it they were purged."), System.currentTimeMillis());
            rm.apply();
        }
    }
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     */
    public static synchronized void removeToken(Token token)
    {
        IPartitioner p = StorageService.getPartitioner();
        RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, RING_KEY);
        rm.delete(new QueryPath(STATUS_CF, null, p.getTokenFactory().toByteArray(token)), System.currentTimeMillis());
        try
        {
            rm.apply();
        }
        catch (IOException e)
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    public static HashMap<Token, InetAddress> loadTokens()
    {
        HashMap<Token, InetAddress> tokenMap = new HashMap<Token, InetAddress>();
        IPartitioner p = StorageService.getPartitioner();
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getIdentityFilter(decorate(RING_KEY), new QueryPath(STATUS_CF));
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
        if (cf != null)
        {
            for (IColumn column : cf.getSortedColumns())
            {
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        }
       
        SortedSet<ByteBuffer> cols = new TreeSet<ByteBuffer>(BytesType.instance);
        cols.add(PARTITIONER);
        cols.add(CLUSTERNAME);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), cols);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
       
        if (cf == null)
        {
            // this is either a brand new node (there will be no files), or the partitioner was changed from RP to OPP.
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