Package org.apache.cassandra.dht

Examples of org.apache.cassandra.dht.Bounds

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        AbstractType<?> keyType = DatabaseDescriptor.getCFMetaData(keyspace,
                                                                   select.getColumnFamily()).getKeyValidator();
        ByteBuffer startKey = (select.getKeyStart() != null) ? select.getKeyStart().getByteBuffer(keyType) : (new Term()).getByteBuffer();
        ByteBuffer finishKey = (select.getKeyFinish() != null) ? select.getKeyFinish().getByteBuffer(keyType) : (new Term()).getByteBuffer();
        IPartitioner<?> p = StorageService.getPartitioner();
        AbstractBounds bounds = new Bounds(p.getToken(startKey), p.getToken(finishKey));
       
        CFMetaData metadata = validateColumnFamily(keyspace, select.getColumnFamily(), false);
        AbstractType<?> comparator = metadata.getComparatorFor(null);
        // XXX: Our use of Thrift structs internally makes me Sad. :(
        SlicePredicate thriftSlicePredicate = slicePredicateFromSelect(select, comparator);
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                Token right = tokenFactory.fromString(range.end_token);
                bounds = new Range(left, right);
            }
            else
            {
                bounds = new Bounds(p.getToken(range.start_key), p.getToken(range.end_key));
            }
            try
            {
                schedule();
                rows = StorageProxy.getRangeSlice(new RangeSliceCommand(keyspace, column_parent, predicate, bounds, range.count), consistency_level);
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                Token right = tokenFactory.fromString(range.end_token);
                bounds = new Range(left, right);
            }
            else
            {
                bounds = new Bounds(p.decorateKey(range.start_key).token, p.decorateKey(range.end_key).token);
            }
            rows = StorageProxy.getRangeSlice(new RangeSliceCommand(keyspace, column_parent, predicate, bounds, range.count), consistency_level);
            assert rows != null;
        }
        catch (TimeoutException e)
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                Token right = tokenFactory.fromString(range.end_token);
                bounds = new Range(left, right);
            }
            else
            {
                bounds = new Bounds(p.getToken(range.start_key), p.getToken(range.end_key));
            }
            try
            {
                schedule();
                rows = StorageProxy.getRangeSlice(new RangeSliceCommand(keyspace, column_parent, predicate, bounds, range.count), consistency_level);
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    throws IOException, TimeoutException, UnavailableException
    {
        IPartitioner p = StorageService.getPartitioner();

        Token leftToken = index_clause.start_key == null ? p.getMinimumToken() : p.getToken(index_clause.start_key);
        List<AbstractBounds> ranges = getRestrictedRanges(new Bounds(leftToken, p.getMinimumToken()));
        logger.debug("scan ranges are " + StringUtils.join(ranges, ","));

        // now scan until we have enough results
        List<Row> rows = new ArrayList<Row>(index_clause.count);
        for (AbstractBounds range : ranges)
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    throws IOException, TimeoutException, UnavailableException
    {
        IPartitioner p = StorageService.getPartitioner();

        Token leftToken = index_clause.start_key == null ? p.getMinimumToken() : p.getToken(index_clause.start_key);
        List<AbstractBounds> ranges = getRestrictedRanges(new Bounds(leftToken, p.getMinimumToken()));
        logger.debug("scan ranges are {}", StringUtils.join(ranges, ","));

        // now scan until we have enough results
        List<Row> rows = new ArrayList<Row>(index_clause.count);
        for (AbstractBounds range : ranges)
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    throws IOException, TimeoutException, UnavailableException
    {
        IPartitioner p = StorageService.getPartitioner();

        Token leftToken = index_clause.start_key == null ? p.getMinimumToken() : p.getToken(index_clause.start_key);
        List<AbstractBounds> ranges = getRestrictedRanges(new Bounds(leftToken, p.getMinimumToken()));
        logger.debug("scan ranges are " + StringUtils.join(ranges, ","));

        // now scan until we have enough results
        List<Row> rows = new ArrayList<Row>(index_clause.count);
        for (AbstractBounds range : ranges)
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                Token right = tokenFactory.fromString(range.end_token);
                bounds = new Range(left, right);
            }
            else
            {
                bounds = new Bounds(p.getToken(range.start_key), p.getToken(range.end_key));
            }
            try
            {
                schedule();
                rows = StorageProxy.getRangeSlice(new RangeSliceCommand(keyspace, column_parent, predicate, bounds, range.count), consistency_level);
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Related Classes of org.apache.cassandra.dht.Bounds

  • org.apache.cassandra.cql.QueryProcessor
  • org.apache.cassandra.service.StorageProxy
  • org.apache.cassandra.thrift.CassandraServer
  • org.apache.cassandra.Util
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