Package org.apache.cassandra.dht

Examples of org.apache.cassandra.dht.Range

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            setMode("Leaving: streaming data to other nodes", true);
            final Set<Map.Entry<Range, InetAddress>> pending = new HashSet<Map.Entry<Range, InetAddress>>(rangesMM.entries());
            for (final Map.Entry<Range, InetAddress> entry : rangesMM.entries())
            {
                final Range range = entry.getKey();
                final InetAddress newEndpoint = entry.getValue();
                final Runnable callback = new Runnable()
                {
                    public void run()
                    {
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        Iterator<Token> iter = TokenMetadata.ringIterator(tokenMetadata.sortedTokens(), queryRange.left);
        List<Pair<AbstractBounds, List<InetAddress>>> ranges = new ArrayList<Pair<AbstractBounds, List<InetAddress>>>();
        while (iter.hasNext())
        {
            Token nodeToken = iter.next();
            Range nodeRange = new Range(tokenMetadata.getPredecessor(nodeToken), nodeToken);
            List<InetAddress> endpoints = StorageService.instance.getLiveNaturalEndpoints(keyspace, nodeToken);
            if (endpoints.size() < responseCount)
                throw new UnavailableException();

            DatabaseDescriptor.getEndPointSnitch(keyspace).sortByProximity(FBUtilities.getLocalAddress(), endpoints);
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                        break;
                }
            }
            logger.debug("Prepared AEService tree of size " + tree.size() + " for " + cf);
            mintoken = tree.partitioner().getMinimumToken();
            ranges = tree.invalids(new Range(mintoken, mintoken));
        }
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        }
        else
        {
            // wrapped range
            Token min = StorageService.getPartitioner().getMinimumToken();
            Range first = new Range(range.left, min);
            completed = getKeyRange(keys, first, keyMax);
            if (!completed && min.compareTo(range.right) < 0)
            {
                Range second = new Range(min, range.right);
                getKeyRange(keys, second, keyMax);
            }
        }
        List<Row> rows = new ArrayList<Row>(keys.size());
        final QueryPath queryPath =  new QueryPath(columnFamily_, super_column, null);
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            if (range.start_key == null)
            {
                Token.TokenFactory tokenFactory = p.getTokenFactory();
                Token left = tokenFactory.fromString(range.start_token);
                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));
            }
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    public List<TokenRange> describe_ring(String keyspace)
    {
        List<TokenRange> ranges = new ArrayList<TokenRange>();
        for (Map.Entry<Range, List<String>> entry : StorageService.instance.getRangeToEndPointMap(keyspace).entrySet())
        {
            Range range = entry.getKey();
            List<String> endpoints = entry.getValue();
            ranges.add(new TokenRange(range.left.toString(), range.right.toString(), endpoints));
        }
        return ranges;
    }
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    }

    public List<String> describe_splits(String start_token, String end_token, int keys_per_split) throws TException
    {
        Token.TokenFactory tf = StorageService.getPartitioner().getTokenFactory();
        List<Token> tokens = StorageService.instance.getSplits(new Range(tf.fromString(start_token), tf.fromString(end_token)), keys_per_split);
        List<String> splits = new ArrayList<String>(tokens.size());
        for (Token token : tokens)
        {
            splits.add(token.toString());
        }
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    /** @return the number of nodes bootstrapping into source's primary range */
    public int pendingRangeChanges(InetAddress source)
    {
        int n = 0;
        Range sourceRange = getPrimaryRangeFor(getToken(source));
        for (Token token : bootstrapTokens.keySet())
            if (sourceRange.contains(token))
                n++;
        return n;
    }
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        }
    }

    public Range getPrimaryRangeFor(Token right)
    {
        return new Range(getPredecessor(right), right);
    }
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    {
        Multimap<InetAddress, Range> map = HashMultimap.create();

        for (Token token : metadata.sortedTokens())
        {
            Range range = metadata.getPrimaryRangeFor(token);
            for (InetAddress ep : getNaturalEndpoints(token, metadata, table))
            {
                map.put(ep, range);
            }
        }
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Related Classes of org.apache.cassandra.dht.Range

  • org.apache.cassandra.client.RingCache
  • org.apache.cassandra.db.BootstrapTest
  • org.apache.cassandra.db.CleanupTest
  • org.apache.cassandra.db.ColumnFamilyStore
  • org.apache.cassandra.db.ColumnFamilyStoreTest
  • org.apache.cassandra.db.compaction.CompactionsTest
  • org.apache.cassandra.db.compaction.LeveledManifest
  • org.apache.cassandra.db.HintedHandOffManager
  • org.apache.cassandra.db.SerializationsTest
  • org.apache.cassandra.hadoop.ColumnFamilyInputFormat
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