Package org.apache.cassandra.thrift

Examples of org.apache.cassandra.thrift.CfDef

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    }

    @Test
    public void testThriftConversion() throws Exception
    {
        CfDef cfDef = new CfDef().setDefault_validation_class(AsciiType.class.getCanonicalName())
                                 .setComment("Test comment")
                                 .setColumn_metadata(columnDefs)
                                 .setKeyspace(KEYSPACE)
                                 .setName(COLUMN_FAMILY);

        // convert Thrift to CFMetaData
        CFMetaData cfMetaData = CFMetaData.fromThrift(cfDef);

        CfDef thriftCfDef = new CfDef();
        thriftCfDef.keyspace = KEYSPACE;
        thriftCfDef.name = COLUMN_FAMILY;
        thriftCfDef.default_validation_class = cfDef.default_validation_class;
        thriftCfDef.comment = cfDef.comment;
        thriftCfDef.column_metadata = new ArrayList<ColumnDef>();
        for (ColumnDef columnDef : columnDefs)
        {
            ColumnDef c = new ColumnDef();
            c.name = ByteBufferUtil.clone(columnDef.name);
            c.validation_class = columnDef.getValidation_class();
            c.index_name = columnDef.getIndex_name();
            c.index_type = IndexType.KEYS;
            thriftCfDef.column_metadata.add(c);
        }

        CfDef converted = cfMetaData.toThrift();

        assertEquals(thriftCfDef.keyspace, converted.keyspace);
        assertEquals(thriftCfDef.name, converted.name);
        assertEquals(thriftCfDef.default_validation_class, converted.default_validation_class);
        assertEquals(thriftCfDef.comment, converted.comment);
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    }

    @Test
    public void testThriftConversion() throws Exception
    {
        CfDef cfDef = new CfDef().setDefault_validation_class(AsciiType.class.getCanonicalName())
                                 .setComment("Test comment")
                                 .setColumn_metadata(columnDefs)
                                 .setKeyspace(KEYSPACE)
                                 .setName(COLUMN_FAMILY);

        // convert Thrift to CFMetaData
        CFMetaData cfMetaData = CFMetaData.fromThrift(cfDef);

        CfDef thriftCfDef = new CfDef();
        thriftCfDef.keyspace = KEYSPACE;
        thriftCfDef.name = COLUMN_FAMILY;
        thriftCfDef.default_validation_class = cfDef.default_validation_class;
        thriftCfDef.comment = cfDef.comment;
        thriftCfDef.column_metadata = new ArrayList<ColumnDef>();
        for (ColumnDef columnDef : columnDefs)
        {
            ColumnDef c = new ColumnDef();
            c.name = ByteBufferUtil.clone(columnDef.name);
            c.validation_class = columnDef.getValidation_class();
            c.index_name = columnDef.getIndex_name();
            c.index_type = IndexType.KEYS;
            thriftCfDef.column_metadata.add(c);
        }

        CfDef converted = cfMetaData.toThrift();

        assertEquals(thriftCfDef.keyspace, converted.keyspace);
        assertEquals(thriftCfDef.name, converted.name);
        assertEquals(thriftCfDef.default_validation_class, converted.default_validation_class);
        assertEquals(thriftCfDef.comment, converted.comment);
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    }

    @Test
    public void testThriftConversion() throws Exception
    {
        CfDef cfDef = new CfDef().setDefault_validation_class(AsciiType.class.getCanonicalName())
                                 .setComment("Test comment")
                                 .setColumn_metadata(columnDefs)
                                 .setKeyspace(KEYSPACE)
                                 .setName(COLUMN_FAMILY);

        // convert Thrift to CFMetaData
        CFMetaData cfMetaData = CFMetaData.fromThrift(cfDef);

        CfDef thriftCfDef = new CfDef();
        thriftCfDef.keyspace = KEYSPACE;
        thriftCfDef.name = COLUMN_FAMILY;
        thriftCfDef.default_validation_class = cfDef.default_validation_class;
        thriftCfDef.comment = cfDef.comment;
        thriftCfDef.column_metadata = new ArrayList<ColumnDef>();
        for (ColumnDef columnDef : columnDefs)
        {
            ColumnDef c = new ColumnDef();
            c.name = ByteBufferUtil.clone(columnDef.name);
            c.validation_class = columnDef.getValidation_class();
            c.index_name = columnDef.getIndex_name();
            c.index_type = IndexType.KEYS;
            thriftCfDef.column_metadata.add(c);
        }

        CfDef converted = cfMetaData.toThrift();

        assertEquals(thriftCfDef.keyspace, converted.keyspace);
        assertEquals(thriftCfDef.name, converted.name);
        assertEquals(thriftCfDef.default_validation_class, converted.default_validation_class);
        assertEquals(thriftCfDef.comment, converted.comment);
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    }

    /** read wide row*/
    public Tuple getNextWide() throws IOException
    {
        CfDef cfDef = getCfDef(loadSignature);
        ByteBuffer key = null;
        Tuple tuple = null;
        DefaultDataBag bag = new DefaultDataBag();
        try
        {
            while(true)
            {
                hasNext = reader.nextKeyValue();
                if (!hasNext)
                {
                    if (tuple == null)
                        tuple = TupleFactory.getInstance().newTuple();

                    if (lastRow != null)
                    {
                        if (tuple.size() == 0) // lastRow is a new one
                        {
                            key = (ByteBuffer)reader.getCurrentKey();
                            tuple = keyToTuple(key, cfDef, parseType(cfDef.getKey_validation_class()));
                        }
                        for (Map.Entry<ByteBuffer, Column> entry : lastRow.entrySet())
                        {
                            bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
                        }
                        lastKey = null;
                        lastRow = null;
                        tuple.append(bag);
                        return tuple;
                    }
                    else
                    {
                        if (tuple.size() == 1) // rare case of just one wide row, key already set
                        {
                            tuple.append(bag);
                            return tuple;
                        }
                        else
                            return null;
                    }
                }
                if (key != null && !((ByteBuffer)reader.getCurrentKey()).equals(key)) // key changed
                {
                    // read too much, hold on to it for next time
                    lastKey = (ByteBuffer)reader.getCurrentKey();
                    lastRow = (SortedMap<ByteBuffer, Column>)reader.getCurrentValue();
                    // but return what we have so far
                    tuple.append(bag);
                    return tuple;
                }
                if (key == null) // only set the key on the first iteration
                {
                    key = (ByteBuffer)reader.getCurrentKey();
                    if (lastKey != null && !(key.equals(lastKey))) // last key only had one value
                    {
                        if (tuple == null)
                            tuple = keyToTuple(lastKey, cfDef, parseType(cfDef.getKey_validation_class()));
                        else
                            addKeyToTuple(tuple, lastKey, cfDef, parseType(cfDef.getKey_validation_class()));
                        for (Map.Entry<ByteBuffer, Column> entry : lastRow.entrySet())
                        {
                            bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
                        }
                        tuple.append(bag);
                        lastKey = key;
                        lastRow = (SortedMap<ByteBuffer, Column>)reader.getCurrentValue();
                        return tuple;
                    }
                    if (tuple == null)
                        tuple = keyToTuple(key, cfDef, parseType(cfDef.getKey_validation_class()));
                    else
                        addKeyToTuple(tuple, lastKey, cfDef, parseType(cfDef.getKey_validation_class()));
                }
                SortedMap<ByteBuffer, Column> row = (SortedMap<ByteBuffer, Column>)reader.getCurrentValue();
                if (lastRow != null) // prepend what was read last time
                {
                    for (Map.Entry<ByteBuffer, Column> entry : lastRow.entrySet())
                    {
                        bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
                    }
                    lastKey = null;
                    lastRow = null;
                }
                for (Map.Entry<ByteBuffer, Column> entry : row.entrySet())
                {
                    bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
                }
            }
        }
        catch (InterruptedException e)
        {
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        {
            // load the next pair
            if (!reader.nextKeyValue())
                return null;

            CfDef cfDef = getCfDef(loadSignature);
            ByteBuffer key = reader.getCurrentKey();
            Map<ByteBuffer, Column> cf = reader.getCurrentValue();
            assert key != null && cf != null;

            // output tuple, will hold the key, each indexed column in a tuple, then a bag of the rest
            // NOTE: we're setting the tuple size here only for the key so we can use setTupleValue on it

            Tuple tuple = keyToTuple(key, cfDef, parseType(cfDef.getKey_validation_class()));
            DefaultDataBag bag = new DefaultDataBag();

            // we must add all the indexed columns first to match the schema
            Map<ByteBuffer, Boolean> added = new HashMap<ByteBuffer, Boolean>();
            // take care to iterate these in the same order as the schema does
            for (ColumnDef cdef : cfDef.column_metadata)
            {
                if (cf.containsKey(cdef.name))
                {
                    tuple.append(columnToTuple(cf.get(cdef.name), cfDef, parseType(cfDef.getComparator_type())));
                }
                else
                {   // otherwise, we need to add an empty tuple to take its place
                    tuple.append(TupleFactory.getInstance().newTuple());
                }
                added.put(cdef.name, true);
            }
            // now add all the other columns
            for (Map.Entry<ByteBuffer, Column> entry : cf.entrySet())
            {
                if (!added.containsKey(entry.getKey()))
                    bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
            }
            tuple.append(bag);
            // finally, special top-level indexes if needed
            if (usePartitionFilter)
            {
                for (ColumnDef cdef : getIndexes())
                {
                    Tuple throwaway = columnToTuple(cf.get(cdef.name), cfDef, parseType(cfDef.getComparator_type()));
                    tuple.append(throwaway.get(1));
                }
            }
            return tuple;
        }
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    /** define the schema */
    public ResourceSchema getSchema(String location, Job job) throws IOException
    {
        setLocation(location, job);
        CfDef cfDef = getCfDef(loadSignature);

        if (cfDef.column_type.equals("Super"))
            return null;
        /*
        Our returned schema should look like this:
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    }

    public CFMetaData generateCFMetadataUpdate(String keyspace)
    throws InvalidRequestException, ConfigurationException, IOException
    {
        CfDef cfDef = null;

        KSMetaData ksm = Schema.instance.getTableDefinition(keyspace);

        for (CFMetaData cfm : ksm.cfMetaData().values())
        {
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    }
   
    /** constructs a typed column */
    public TypedColumn makeCol(String keyspace, String columnFamily, byte[] name, byte[] value)
    {
        CfDef cfDef = cfDefs.get(String.format("%s.%s", keyspace, columnFamily));
        AbstractType comparator = getComparator(keyspace, columnFamily, Specifier.Comparator, cfDef);
        AbstractType validator = getComparator(keyspace, columnFamily, name, Specifier.ColumnSpecific, null);
        return new TypedColumn(comparator, name, validator, value);
    }
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  public void maybeCreateColumnFamily() throws InvalidRequestException, ConfigurationException {
    List<String> keyspaces = Schema.instance.getNonSystemTables();
    if (!keyspaces.contains(IV_KEYSPACE)){
      CreateKeyspaceAction.createKeyspace(IV_KEYSPACE, 1);
      CFMetaData cfm = null;
      CfDef def = new CfDef();
      def.setKeyspace(IV_KEYSPACE);
      def.setName(FILTER_CF);
      cfm = CFMetaData.fromThrift(def);
      cfm.addDefaultIndexNames();
      MigrationManager.announceNewColumnFamily(cfm);
    }
  }
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    response.getResults().put(operation.getId(), ResponseUtil.getDefaultHappy());
  }

  public static void createColumnfamily(String keyspace, String columnFamily) throws InvalidRequestException, ConfigurationException{
    CFMetaData cfm = null;
    CfDef def = new CfDef();
    def.unsetId();
    def.setKeyspace(keyspace);
    def.setName(columnFamily);
    cfm = CFMetaData.fromThrift(def);
    cfm.addDefaultIndexNames();
    MigrationManager.announceNewColumnFamily(cfm);
  }
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