Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.IColumn

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            file.reset(mark);
            long curOffset = file.skipBytes((int) curColPosition.offset);
            assert curOffset == curColPosition.offset;
            while (file.bytesPastMark(mark) < curColPosition.offset + curColPosition.width && !outOfBounds)
            {
                IColumn column = emptyColumnFamily.getColumnSerializer().deserialize(file);
                if (reversed)
                    blockColumns.addFirst(column);
                else
                    blockColumns.addLast(column);

                /* see if we can stop seeking. */
                if (!reversed && finishColumn.remaining() > 0)
                    outOfBounds = comparator.compare(column.name(), finishColumn) >= 0;
                else if (reversed && startColumn.remaining() > 0)
                    outOfBounds = comparator.compare(column.name(), startColumn) >= 0;
            }

            if (reversed)
                curRangeIndex--;
            else
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        private SimpleBlockFetcher() throws IOException
        {
            int columns = file.readInt();
            for (int i = 0; i < columns; i++)
            {
                IColumn column = emptyColumnFamily.getColumnSerializer().deserialize(file);
                if (reversed)
                    blockColumns.addFirst(column);
                else
                    blockColumns.addLast(column);

                /* see if we can stop seeking. */
                boolean outOfBounds = false;
                if (!reversed && finishColumn.remaining() > 0)
                    outOfBounds = comparator.compare(column.name(), finishColumn) >= 0;
                else if (reversed && startColumn.remaining() > 0)
                    outOfBounds = comparator.compare(column.name(), startColumn) >= 0;
                if (outOfBounds)
                    break;
            }
        }
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        if (!hasNext())
        {
            throw new IllegalStateException("end of column iterator");
        }

        final IColumn column = deserializeNext();
        return new Entry<ByteBuffer, IColumn>()
        {
            public IColumn setValue(IColumn value)
            {
                throw new UnsupportedOperationException();
            }

            public IColumn getValue()
            {
                return column;
            }

            public ByteBuffer getKey()
            {
                return column.name();
            }
        };
    }
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        out.writeInt(columnCount);

        Iterator<IColumn> iter = iterator();
        while (iter.hasNext())
        {
            IColumn column = iter.next();
            emptyColumnFamily.getColumnSerializer().serialize(column, out);
        }
    }
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        digest.update(headerBuffer.getData(), 0, headerBuffer.getLength());
        DataOutputBuffer out = new DataOutputBuffer();
        Iterator<IColumn> iter = iterator();
        while (iter.hasNext())
        {
            IColumn column = iter.next();
            out.reset();
            try
            {
                emptyColumnFamily.getColumnSerializer().serialize(column, out);
            }
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        }

        protected IColumn getReduced()
        {
            assert container != null;
            IColumn reduced = container.iterator().next();
            ColumnFamily purged = shouldPurge ? ColumnFamilyStore.removeDeleted(container, gcBefore) : container;
            if (purged == null || !purged.iterator().hasNext())
            {
                container.clear();
                return null;
            }
            container.clear();
            serializedSize += reduced.serializedSize();
            size++;
            return reduced;
        }
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            totalRead++;
            KeySlice ks = rows.get(i++);
            SortedMap<ByteBuffer, IColumn> map = new TreeMap<ByteBuffer, IColumn>(comparator);
            for (ColumnOrSuperColumn cosc : ks.columns)
            {
                IColumn column = unthriftify(cosc);
                map.put(column.name(), column);
            }
            return new Pair<ByteBuffer, SortedMap<ByteBuffer, IColumn>>(ks.key, map);
        }
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            totalRead++;
            KeySlice ks = rows.get(i++);
            SortedMap<ByteBuffer, IColumn> map = new TreeMap<ByteBuffer, IColumn>(comparator);
            for (ColumnOrSuperColumn cosc : ks.columns)
            {
                IColumn column = unthriftify(cosc);
                map.put(column.name(), column);
            }
            return new Pair<ByteBuffer, SortedMap<ByteBuffer, IColumn>>(ks.key, map);
        }
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               columnorsupercolumn = new ColumnOrSuperColumn();
            }
            else
            {
                assert columns.size() == 1;
                IColumn col = columns.iterator().next();


                if (col.isMarkedForDelete())
                {
                    columnorsupercolumn = new ColumnOrSuperColumn();
                }
                else
                {
                    columnorsupercolumn = col instanceof org.apache.cassandra.db.Column
                                          ? newColumnOrSuperColumn(newColumn(col.name(), col.value(), col.timestamp()))
                                          : newColumnOrSuperColumn(newSuperColumn(col.name(), avronateSubColumns(col.getSubColumns())));
                }

            }
            columnFamiliesMap.put(command.key, columnorsupercolumn);
        }
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                continue;

            Collection<IColumn> columns = null;
            if (command.queryPath.superColumnName != null)
            {
                IColumn column = cfamily.getColumn(command.queryPath.superColumnName);
                if (column != null)
                {
                    columns = column.getSubColumns();
                }
            }
            else
            {
                columns = cfamily.getSortedColumns();
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