Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ColumnFamilyStore

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            {
                /* Don't service reads! */
                throw new RuntimeException("Cannot service reads while bootstrapping!");
            }
            RangeSliceCommand command = RangeSliceCommand.read(message);
            ColumnFamilyStore cfs = Table.open(command.keyspace).getColumnFamilyStore(command.column_family);
            RangeSliceReply reply = new RangeSliceReply(cfs.getRangeSlice(command.super_column,
                                                                          command.range,
                                                                          command.max_keys,
                                                                          QueryFilter.getFilter(command.predicate, cfs.getComparator())));
            Message response = reply.getReply(message);
            if (logger.isDebugEnabled())
                logger.debug("Sending " + reply+ " to " + message.getMessageId() + "@" + message.getFrom());
            MessagingService.instance.sendOneWay(response, message.getFrom());
        }
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        // filter out interesting stores
        Set<ColumnFamilyStore> valid = new HashSet<ColumnFamilyStore>();
        for (String cfName : cfNames)
        {
            ColumnFamilyStore cfStore = table.getColumnFamilyStore(cfName);
            if (cfStore == null)
            {
                // this means there was a cf passed in that is not recognized in the keyspace. report it and continue.
                logger_.warn(String.format("Invalid column family specified: %s. Proceeding with others.", cfName));
                continue;
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        // we use the actual Range token for the first and last brackets of the splits to ensure correctness
        tokens.add(range.left);

        List<DecoratedKey> keys = new ArrayList<DecoratedKey>();
        Table t = Table.open(table);
        ColumnFamilyStore cfs = t.getColumnFamilyStore(cfName);
        for (DecoratedKey sample : cfs.allKeySamples())
        {
            if (range.contains(sample.token))
                keys.add(sample);
        }
        FBUtilities.sortSampledKeys(keys, range);
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    public void beforeApplyModels()
    {
        if (clientMode)
            return;
        ColumnFamilyStore cfs = Table.open(metadata.tableName).getColumnFamilyStore(metadata.cfName);
        cfs.snapshot(Table.getTimestampedSnapshotName(null));
    }
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        DatabaseDescriptor.setTableDefinition(null, newVersion);

        if (!clientMode)
        {
            Table table = Table.open(metadata.tableName);
            ColumnFamilyStore oldCfs = table.getColumnFamilyStore(metadata.cfName);
            oldCfs.reload();
        }
    }
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    public void testOneRow() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        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);
    }
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    public void testOneRowTwoColumns() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

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

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testTwoRows() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        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();

        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testTwoRowsTwoColumns() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        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.add(new QueryPath("Standard1", null, ByteBufferUtil.bytes("d")), ByteBufferUtil.EMPTY_BYTE_BUFFER, 0);
        rm.apply();
        cfs.forceBlockingFlush();

        rm.apply();
        cfs.forceBlockingFlush();

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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    public void testManyRows() throws IOException, ExecutionException, InterruptedException
    {
        CompactionManager.instance.disableAutoCompaction();

        Table table = Table.open("Keyspace1");
        ColumnFamilyStore cfs = table.getColumnFamilyStore("Standard1");

        final int ROWS_PER_SSTABLE = 10;
        for (int j = 0; j < (DatabaseDescriptor.getIndexInterval() * 3) / ROWS_PER_SSTABLE; j++) {
            for (int i = 0; i < ROWS_PER_SSTABLE; i++) {
                ByteBuffer key = ByteBuffer.wrap(String.valueOf(i % 2).getBytes());
                RowMutation rm = new RowMutation("Keyspace1", key);
                rm.add(new QueryPath("Standard1", null, ByteBuffer.wrap(String.valueOf(i / 2).getBytes())), ByteBufferUtil.EMPTY_BYTE_BUFFER, j * ROWS_PER_SSTABLE + i);
                rm.apply();
            }
            cfs.forceBlockingFlush();
        }

        assertBytes(cfs, Integer.MAX_VALUE, true);
    }
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Related Classes of org.apache.cassandra.db.ColumnFamilyStore

  • org.apache.cassandra.cache.IRowCacheEntry
  • org.apache.cassandra.cache.RowCacheKey
  • org.apache.cassandra.cache.RowCacheSentinel
  • org.apache.cassandra.config.CFMetaData
  • org.apache.cassandra.config.CFMetaData.Caching
  • org.apache.cassandra.config.CFMetaData.SpeculativeRetry
  • org.apache.cassandra.config.ColumnDefinition
  • org.apache.cassandra.config.DatabaseDescriptor
  • org.apache.cassandra.cql3.SSTableMetadataTrackingTest
  • org.apache.cassandra.db.columniterator.IColumnIterator
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