Examples of QueryPath

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

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        // wrap in mutation
        RowMutation rm = new RowMutation(Table.SYSTEM_TABLE, toUTF8Bytes(versionId));
        long now = System.currentTimeMillis();
        // add a column for each keyspace
        for (KSMetaData ksm : ksms)
            rm.add(new QueryPath(SCHEMA_CF, null, ByteBufferUtil.bytes(ksm.name)), SerDeUtils.serialize(ksm.deflate()), now);
        // add the schema
        rm.add(new QueryPath(SCHEMA_CF,
                             null,
                             DefsTable.DEFINITION_SCHEMA_COLUMN_NAME),
                             ByteBufferUtil.bytes(org.apache.cassandra.avro.KsDef.SCHEMA$.toString()),
                             now);
        return rm;
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Examples of org.apache.cassandra.db.filter.QueryPath

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        ByteBuffer startColumn = ByteBufferUtil.EMPTY_BYTE_BUFFER;

        delivery:
        while (true)
        {
            QueryFilter filter = QueryFilter.getSliceFilter(epkey, new QueryPath(HINTS_CF), startColumn, ByteBufferUtil.EMPTY_BYTE_BUFFER, false, PAGE_SIZE);
            ColumnFamily hintColumnFamily = ColumnFamilyStore.removeDeleted(hintStore.getColumnFamily(filter), Integer.MAX_VALUE);
            if (pagingFinished(hintColumnFamily, startColumn))
                break;
            for (IColumn keyColumn : hintColumnFamily.getSortedColumns())
            {
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Examples of org.apache.cassandra.db.filter.QueryPath

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    {
        DecoratedKey dkey = StorageService.getPartitioner().decorateKey(MIGRATIONS_KEY);
        Table defs = Table.open(Table.SYSTEM_TABLE);
        ColumnFamilyStore cfStore = defs.getColumnFamilyStore(Migration.MIGRATIONS_CF);
        QueryFilter filter = QueryFilter.getSliceFilter(dkey,
                                                        new QueryPath(MIGRATIONS_CF),
                                                        ByteBuffer.wrap(UUIDGen.decompose(start)),
                                                        ByteBuffer.wrap(UUIDGen.decompose(end)),
                                                        false,
                                                        100);
        ColumnFamily cf = cfStore.getColumnFamily(filter);
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Examples of org.apache.cassandra.db.filter.QueryPath

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    public final boolean reversed;
    public final int count;

    public SliceFromReadCommand(String table, ByteBuffer key, ColumnParent column_parent, ByteBuffer start, ByteBuffer finish, boolean reversed, int count)
    {
        this(table, key, new QueryPath(column_parent), start, finish, reversed, count);
    }
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Examples of org.apache.cassandra.db.filter.QueryPath

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

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

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

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

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    }

    public static Token getSavedToken()
    {
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), TOKEN);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);
        return cf == null ? null : StorageService.getPartitioner().getTokenFactory().fromByteArray(cf.getColumn(TOKEN).value());
    }
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Examples of org.apache.cassandra.db.filter.QueryPath

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    }

    public static int incrementAndGetGeneration() throws IOException
    {
        Table table = Table.open(Table.SYSTEM_TABLE);
        QueryFilter filter = QueryFilter.getNamesFilter(decorate(LOCATION_KEY), new QueryPath(STATUS_CF), GENERATION);
        ColumnFamily cf = table.getColumnFamilyStore(STATUS_CF).getColumnFamily(filter);

        int generation;
        if (cf == null)
        {
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