Examples of org.apache.cassandra.thrift.ColumnParent

org.apache.cassandra.thrift.ColumnParent
ColumnParent is used when selecting groups of columns from the same ColumnFamily. In directory structure terms, imagine ColumnParent as ColumnPath + '/../'. See also ColumnPath


        byte[] key_user_id = "1".getBytes();


        long timestamp = System.currentTimeMillis();
        ColumnPath cp = new ColumnPath("Standard1");
        ColumnParent par = new ColumnParent("Standard1");
        cp.setColumn("name".getBytes("utf-8"));


        // insert
        Clock clock = new Clock();
        clock.setTimestamp(timestamp);

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    }


    public void verifyOutput() throws Exception
    {
        List<KeySlice> keySlices = thriftClient.get_range_slices(new ColumnParent().setColumn_family(COLUMN_FAMILY),
                                                                 new SlicePredicate().setColumn_names(new ArrayList<byte[]>()),
                                                                 new KeyRange().setStart_key("".getBytes()).setEnd_key("".getBytes()),
                                                                 ConsistencyLevel.ONE);
        for (KeySlice keySlice : keySlices)
        {

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        for (int nRows = minRow; nRows < maxRow; nRows++)
        {
            byte[] row = (rowPrefix + nRows).getBytes();
            ColumnPath col = new ColumnPath("Standard1").setSuper_column(null).setColumn("col1".getBytes());
            ColumnParent parent = new ColumnParent("Standard1").setSuper_column(null);


            List<InetAddress> endpoints = tester.ringCache.getEndpoint(row);
            String hosts="";
            for (int i = 0; i < endpoints.size(); i++)
                hosts = hosts + ((i > 0) ? "," : "") + endpoints.get(i);

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        String key_user_id = "1";
        
        long timestamp = System.currentTimeMillis();   


        // insert
        ColumnParent colParent = new ColumnParent("Standard1");
        Column column = new Column(ByteBufferUtil.bytes("name"), 
                ByteBufferUtil.bytes("Ran"), timestamp);
        
        client.insert(ByteBufferUtil.bytes(key_user_id), colParent, column, ConsistencyLevel.ONE);

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       String tableName = CliCompiler.getTableName(columnFamilySpec);
       String key = CliCompiler.getKey(columnFamilySpec);
       String columnFamily = CliCompiler.getColumnFamily(columnFamilySpec);
       int columnSpecCnt = CliCompiler.numColumnSpecifiers(columnFamilySpec);
       
       ColumnParent colParent;
       
       if (columnSpecCnt == 0)
       {
           colParent = createColumnParent(columnFamily, null);
       }

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         dataSource = new DataSource(config.getPoolProperties());
         readConsistencyLevel = ConsistencyLevel.valueOf(config.readConsistencyLevel);
         writeConsistencyLevel = ConsistencyLevel.valueOf(config.writeConsistencyLevel);
         entryColumnPath = new ColumnPath(config.entryColumnFamily).setColumn(ENTRY_COLUMN_NAME
                  .getBytes(UTF8Charset));
         entryColumnParent = new ColumnParent(config.entryColumnFamily);
         entryKeyPrefix = ENTRY_KEY_PREFIX + (config.isSharedKeyspace() ? cacheName + "_" : "");
         expirationColumnParent = new ColumnParent(config.expirationColumnFamily);
         expirationKey = ByteBufferUtil.bytes(EXPIRATION_KEY
                  + (config.isSharedKeyspace() ? "_" + cacheName : ""));
         keyMapper = (TwoWayKey2StringMapper) Util.getInstance(config.getKeyMapper(), config.getClassLoader());
      } catch (Exception e) {
         throw new ConfigurationException(e);

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        ByteBuffer key_user_id = ByteBufferUtil.bytes(key);


        long timestamp = System.currentTimeMillis();
        ColumnPath cp = new ColumnPath(cf);
        ColumnParent par = new ColumnParent(cf);
        cp.column = ByteBufferUtil.bytes(colName);


        // read
        ColumnOrSuperColumn got = client.get(key_user_id, cp, ConsistencyLevel.ONE);
        return parseType(validator).getString(got.getColumn().value);

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        for (int nRows = minRow; nRows < maxRow; nRows++)
        {
            ByteBuffer row = ByteBufferUtil.bytes((rowPrefix + nRows));
            ColumnPath col = new ColumnPath("Standard1").setSuper_column((ByteBuffer)null).setColumn("col1".getBytes());
            ColumnParent parent = new ColumnParent("Standard1").setSuper_column((ByteBuffer)null);


            Collection<InetAddress> endpoints = tester.ringCache.getEndpoint(row);
            InetAddress firstEndpoint = endpoints.iterator().next();
            System.out.printf("hosts with key %s : %s; choose %s%n",
                              new String(row.array()), StringUtils.join(endpoints, ","), firstEndpoint);

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        // to make sure we have SSTable
        cfs.forceBlockingFlush();


        // reads to cache key position
        cfs.getColumnFamily(QueryFilter.getSliceFilter(key1,
                                                       new QueryPath(new ColumnParent(COLUMN_FAMILY1)),
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       false,
                                                       10));


        cfs.getColumnFamily(QueryFilter.getSliceFilter(key2,
                                                       new QueryPath(new ColumnParent(COLUMN_FAMILY1)),
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       false,
                                                       10));


        assert CacheService.instance.keyCache.size() == 2;


        Util.compactAll(cfs).get();
        keyCacheSize = CacheService.instance.keyCache.size();
        // after compaction cache should have entries for
        // new SSTables, if we had 2 keys in cache previously it should become 4
        assert keyCacheSize == 4 : keyCacheSize;


        // re-read same keys to verify that key cache didn't grow further
        cfs.getColumnFamily(QueryFilter.getSliceFilter(key1,
                                                       new QueryPath(new ColumnParent(COLUMN_FAMILY1)),
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       false,
                                                       10));


        cfs.getColumnFamily(QueryFilter.getSliceFilter(key2,
                                                       new QueryPath(new ColumnParent(COLUMN_FAMILY1)),
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       ByteBufferUtil.EMPTY_BYTE_BUFFER,
                                                       false,
                                                       10));

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        for (int nRows = minRow; nRows < maxRow; nRows++)
        {
            ByteBuffer row = ByteBufferUtil.bytes((rowPrefix + nRows));
            ColumnPath col = new ColumnPath("Standard1").setSuper_column((ByteBuffer)null).setColumn("col1".getBytes());
            ColumnParent parent = new ColumnParent("Standard1").setSuper_column((ByteBuffer)null);


            Collection<InetAddress> endpoints = tester.ringCache.getEndpoint(row);
            InetAddress firstEndpoint = endpoints.iterator().next();
            System.out.printf("hosts with key %s : %s; choose %s%n",
                              new String(row.array()), StringUtils.join(endpoints, ","), firstEndpoint);

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