Package org.apache.cassandra.dht

Examples of org.apache.cassandra.dht.AbstractBounds

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        TDeserializer dser = new TDeserializer(new TBinaryProtocol.Factory());
        SlicePredicate pred = new SlicePredicate();
        FBUtilities.deserialize(dser, pred, dis);

        AbstractBounds range = AbstractBounds.serializer().deserialize(dis);
        int max_keys = dis.readInt();
        return new RangeSliceCommand(keyspace, column_family, super_column, pred, range, max_keys);
    }
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        SlicePredicate emptyRangePred = new SlicePredicate();
        emptyRangePred.slice_range = emptySliceRange;
        SlicePredicate nonEmptyRangePred = new SlicePredicate();
        nonEmptyRangePred.slice_range = nonEmptySliceRange;
        IPartitioner part = StorageService.getPartitioner();
        AbstractBounds bounds = new Range(part.getRandomToken(), part.getRandomToken());
       
        Message namesCmd = new RangeSliceCommand(Statics.KS, "Standard1", null, namesPred, bounds, 100).getMessage();
        Message emptyRangeCmd = new RangeSliceCommand(Statics.KS, "Standard1", null, emptyRangePred, bounds, 100).getMessage();
        Message regRangeCmd = new RangeSliceCommand(Statics.KS, "Standard1", null,  nonEmptyRangePred, bounds, 100).getMessage();
        Message namesCmdSup = new RangeSliceCommand(Statics.KS, "Super1", Statics.SC, namesPred, bounds, 100).getMessage();
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        TokenMetadata tokenMetadata = StorageService.instance.getTokenMetadata();

        List<AbstractBounds> ranges = new ArrayList<AbstractBounds>();
        // divide the queryRange into pieces delimited by the ring and minimum tokens
        Iterator<Token> ringIter = TokenMetadata.ringIterator(tokenMetadata.sortedTokens(), queryRange.left, true);
        AbstractBounds remainder = queryRange;
        while (ringIter.hasNext())
        {
            Token token = ringIter.next();
            if (remainder == null || !(remainder.left.equals(token) || remainder.contains(token)))
                // no more splits
                break;
            Pair<AbstractBounds,AbstractBounds> splits = remainder.split(token);
            if (splits.left != null)
                ranges.add(splits.left);
            remainder = splits.right;
        }
        if (remainder != null)
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    {
        // find the one to start with
        int i;
        for (i = 0; i < ranges.size(); i++)
        {
            AbstractBounds range = ranges.get(i);
            if (range.contains(start) || range.left.equals(start))
                break;
        }
        AbstractBounds range = ranges.get(i);
        assert range.contains(start) || range.left.equals(start); // make sure the loop didn't just end b/c ranges were exhausted

        // return an iterable that starts w/ the correct range and iterates the rest in ring order
        final int begin = i;
        return new Iterable<AbstractBounds>()
        {
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        TDeserializer dser = new TDeserializer(new TBinaryProtocol.Factory());
        SlicePredicate pred = new SlicePredicate();
        FBUtilities.deserialize(dser, pred, dis);

        AbstractBounds range = AbstractBounds.serializer().deserialize(dis);
        int max_keys = dis.readInt();
        return new RangeSliceCommand(keyspace, column_family, super_column, pred, range, max_keys);
    }
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        TokenMetadata tokenMetadata = StorageService.instance.getTokenMetadata();

        List<AbstractBounds> ranges = new ArrayList<AbstractBounds>();
        // divide the queryRange into pieces delimited by the ring and minimum tokens
        Iterator<Token> ringIter = TokenMetadata.ringIterator(tokenMetadata.sortedTokens(), queryRange.left, true);
        AbstractBounds remainder = queryRange;
        while (ringIter.hasNext())
        {
            Token token = ringIter.next();
            if (remainder == null || !(remainder.left.equals(token) || remainder.contains(token)))
                // no more splits
                break;
            Pair<AbstractBounds,AbstractBounds> splits = remainder.split(token);
            if (splits.left != null)
                ranges.add(splits.left);
            remainder = splits.right;
        }
        if (remainder != null)
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        TokenMetadata tokenMetadata = StorageService.instance.getTokenMetadata();

        List<AbstractBounds> ranges = new ArrayList<AbstractBounds>();
        // divide the queryRange into pieces delimited by the ring and minimum tokens
        Iterator<Token> ringIter = TokenMetadata.ringIterator(tokenMetadata.sortedTokens(), queryRange.left, true);
        AbstractBounds remainder = queryRange;
        while (ringIter.hasNext())
        {
            Token token = ringIter.next();
            if (remainder == null || !(remainder.left.equals(token) || remainder.contains(token)))
                // no more splits
                break;
            Pair<AbstractBounds,AbstractBounds> splits = remainder.split(token);
            if (splits.left != null)
                ranges.add(splits.left);
            remainder = splits.right;
        }
        if (remainder != null)
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        TokenMetadata tokenMetadata = StorageService.instance.getTokenMetadata();

        List<AbstractBounds> ranges = new ArrayList<AbstractBounds>();
        // divide the queryRange into pieces delimited by the ring and minimum tokens
        Iterator<Token> ringIter = TokenMetadata.ringIterator(tokenMetadata.sortedTokens(), queryRange.left, true);
        AbstractBounds remainder = queryRange;
        while (ringIter.hasNext())
        {
            Token token = ringIter.next();
            if (remainder == null || !(remainder.left.equals(token) || remainder.contains(token)))
                // no more splits
                break;
            Pair<AbstractBounds,AbstractBounds> splits = remainder.split(token);
            if (splits.left != null)
                ranges.add(splits.left);
            remainder = splits.right;
        }
        if (remainder != null)
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        TokenMetadata tokenMetadata = StorageService.instance.getTokenMetadata();

        List<AbstractBounds> ranges = new ArrayList<AbstractBounds>();
        // divide the queryRange into pieces delimited by the ring and minimum tokens
        Iterator<Token> ringIter = TokenMetadata.ringIterator(tokenMetadata.sortedTokens(), queryRange.left, true);
        AbstractBounds remainder = queryRange;
        while (ringIter.hasNext())
        {
            Token token = ringIter.next();
            if (remainder == null || !(remainder.left.equals(token) || remainder.contains(token)))
                // no more splits
                break;
            Pair<AbstractBounds,AbstractBounds> splits = remainder.split(token);
            if (splits.left != null)
                ranges.add(splits.left);
            remainder = splits.right;
        }
        if (remainder != null)
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        // now scan until we have enough results
        List<Row> rows = new ArrayList<Row>(command.max_keys);
        for (Pair<AbstractBounds, List<InetAddress>> pair : getRangeIterator(ranges, command.range.left))
        {
            AbstractBounds range = pair.left;
            List<InetAddress> endpoints = pair.right;
            RangeSliceCommand c2 = new RangeSliceCommand(command.keyspace, command.column_family, command.super_column, command.predicate, range, command.max_keys);
            Message message = c2.getMessage();

            // collect replies and resolve according to consistency level
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Related Classes of org.apache.cassandra.dht.AbstractBounds

  • org.apache.cassandra.cql.QueryProcessor
  • org.apache.cassandra.db.IndexScanCommand$IndexScanCommandSerializer
  • org.apache.cassandra.db.RangeSliceCommandSerializer
  • org.apache.cassandra.db.SerializationsTest
  • org.apache.cassandra.service.StorageProxy
  • org.apache.cassandra.thrift.CassandraServer
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