Examples of org.apache.cassandra.service.IPartitioner.decorateKey()

Class org.apache.cassandra.service.IPartitioner

Examples of org.apache.cassandra.service.IPartitioner.decorateKey()

org.apache.cassandra.service.IPartitioner.decorateKey()
transform key to on-disk format s.t. keys are stored in node comparison order. this lets bootstrap rip out parts of the sstable sequentially instead of doing random seeks. @param key the raw, client-facing key @return decorated on-disk version of key

        ArrayList<String> orderedKeys = new ArrayList<String>(columnFamilies_.keySet());
        Collections.sort(orderedKeys, new Comparator<String>()
        {
            public int compare(String o1, String o2)
            {
                return dc.compare(partitioner.decorateKey(o1), partitioner.decorateKey(o2));
            }
        });
        DataOutputBuffer buffer = new DataOutputBuffer();
        /* Use this BloomFilter to decide if a key exists in a SSTable */
        BloomFilter bf = new BloomFilter(columnFamilies_.size(), 15);

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        ArrayList<String> orderedKeys = new ArrayList<String>(columnFamilies_.keySet());
        Collections.sort(orderedKeys, new Comparator<String>()
        {
            public int compare(String o1, String o2)
            {
                return dc.compare(partitioner.decorateKey(o1), partitioner.decorateKey(o2));
            }
        });
        DataOutputBuffer buffer = new DataOutputBuffer();
        /* Use this BloomFilter to decide if a key exists in a SSTable */
        BloomFilter bf = new BloomFilter(columnFamilies_.size(), 15);

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            if ( columnFamily != null )
            {
                /* serialize the cf with column indexes */
                ColumnFamily.serializerWithIndexes().serialize( columnFamily, buffer );
                /* Now write the key and value to disk */
                ssTable.append(partitioner.decorateKey(key), buffer);
                bf.add(key);
                columnFamily.clear();
            }
        }
        ssTable.close(bf);

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