org.apache.cassandra.db

Class LegacyLayout

java.lang.Object

org.apache.cassandra.db.LegacyLayout

public abstract class LegacyLayout
extends java.lang.Object

Functions to deal with the old format.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LegacyLayout.CellGrouper
static interface	LegacyLayout.LegacyAtom
static class	LegacyLayout.LegacyBound
static class	LegacyLayout.LegacyCell A legacy cell.
static class	LegacyLayout.LegacyCellName
static class	LegacyLayout.LegacyDeletionInfo
static class	LegacyLayout.LegacyRangeTombstone A legacy range tombstone.
static class	LegacyLayout.LegacyRangeTombstoneList Almost an entire copy of RangeTombstoneList from C* 2.1.
static class	LegacyLayout.LegacyUnfilteredPartition

Field Summary

Fields

Modifier and Type	Field and Description
static int	COUNTER_MASK
static int	COUNTER_UPDATE_MASK
static int	DELETION_MASK
static int	EXPIRATION_MASK
static int	MAX_CELL_NAME_LENGTH
static int	STATIC_PREFIX

Method Summary

Modifier and Type	Method and Description
static LegacyLayout.LegacyBound	decodeBound(CFMetaData metadata, java.nio.ByteBuffer bound, boolean isStart)
static LegacyLayout.LegacyCellName	decodeCellName(CFMetaData metadata, java.nio.ByteBuffer cellname)
static LegacyLayout.LegacyCellName	decodeCellName(CFMetaData metadata, java.nio.ByteBuffer cellname, boolean readAllAsDynamic)
static LegacyLayout.LegacyCellName	decodeCellName(CFMetaData metadata, java.nio.ByteBuffer superColumnName, java.nio.ByteBuffer cellname)
static Clustering	decodeClustering(CFMetaData metadata, java.nio.ByteBuffer value)
static java.util.Iterator<LegacyLayout.LegacyCell>	deserializeCells(CFMetaData metadata, java.io.DataInput in, SerializationHelper.Flag flag, int size)
static UnfilteredRowIterator	deserializeLegacyPartition(DataInputPlus in, int version, SerializationHelper.Flag flag, java.nio.ByteBuffer key)
static java.nio.ByteBuffer	encodeBound(CFMetaData metadata, Slice.Bound bound, boolean isStart)
static java.nio.ByteBuffer	encodeCellName(CFMetaData metadata, ClusteringPrefix clustering, java.nio.ByteBuffer columnName, java.nio.ByteBuffer collectionElement)
static java.nio.ByteBuffer	encodeClustering(CFMetaData metadata, ClusteringPrefix clustering)
static Row	extractStaticColumns(CFMetaData metadata, DataInputPlus in, Columns statics)
static Pair<LegacyLayout.LegacyRangeTombstoneList,java.util.Iterator<LegacyLayout.LegacyCell>>	fromRowIterator(RowIterator iterator)
static LegacyLayout.LegacyUnfilteredPartition	fromUnfilteredRowIterator(ReadCommand command, UnfilteredRowIterator iterator)
static java.util.Comparator<LegacyLayout.LegacyCell>	legacyCellComparator(CFMetaData metadata)
static java.util.Comparator<LegacyLayout.LegacyCell>	legacyCellComparator(CFMetaData metadata, boolean reversed)
static java.util.Comparator<LegacyLayout.LegacyCellName>	legacyCellNameComparator(CFMetaData metadata, boolean reversed)
static AbstractType<?>	makeLegacyComparator(CFMetaData metadata)
static UnfilteredRowIterator	onWireCellstoUnfilteredRowIterator(CFMetaData metadata, DecoratedKey key, LegacyLayout.LegacyDeletionInfo delInfo, java.util.Iterator<LegacyLayout.LegacyCell> cells, boolean reversed, SerializationHelper helper)
static LegacyLayout.LegacyAtom	readLegacyAtom(CFMetaData metadata, DataInputPlus in, boolean readAllAsDynamic)
static LegacyLayout.LegacyCell	readLegacyCell(CFMetaData metadata, java.io.DataInput in, SerializationHelper.Flag flag)
static LegacyLayout.LegacyCell	readLegacyCellBody(CFMetaData metadata, java.io.DataInput in, java.nio.ByteBuffer cellname, int mask, SerializationHelper.Flag flag, boolean readAllAsDynamic)
static LegacyLayout.LegacyRangeTombstone	readLegacyRangeTombstoneBody(CFMetaData metadata, DataInputPlus in, java.nio.ByteBuffer boundname)
static void	serializeAsLegacyPartition(ReadCommand command, UnfilteredRowIterator partition, DataOutputPlus out, int version)
static long	serializedSizeAsLegacyPartition(ReadCommand command, UnfilteredRowIterator partition, int version)
static RowIterator	toRowIterator(CFMetaData metadata, DecoratedKey key, java.util.Iterator<LegacyLayout.LegacyCell> cells, int nowInSec)
static UnfilteredRowIterator	toUnfilteredRowIterator(CFMetaData metadata, DecoratedKey key, LegacyLayout.LegacyDeletionInfo delInfo, java.util.Iterator<LegacyLayout.LegacyCell> cells)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MAX_CELL_NAME_LENGTH

public static final int MAX_CELL_NAME_LENGTH

See Also:

Constant Field Values

STATIC_PREFIX

public static final int STATIC_PREFIX

See Also:

Constant Field Values

DELETION_MASK

public static final int DELETION_MASK

See Also:

Constant Field Values

EXPIRATION_MASK

public static final int EXPIRATION_MASK

See Also:

Constant Field Values

COUNTER_MASK

public static final int COUNTER_MASK

See Also:

Constant Field Values

COUNTER_UPDATE_MASK

public static final int COUNTER_UPDATE_MASK

See Also:

Constant Field Values

Method Detail

makeLegacyComparator

public static AbstractType<?> makeLegacyComparator(CFMetaData metadata)

decodeCellName

public static LegacyLayout.LegacyCellName decodeCellName(CFMetaData metadata,
                                                         java.nio.ByteBuffer superColumnName,
                                                         java.nio.ByteBuffer cellname)
                                                  throws UnknownColumnException

Throws:

UnknownColumnException

decodeCellName

public static LegacyLayout.LegacyCellName decodeCellName(CFMetaData metadata,
                                                         java.nio.ByteBuffer cellname)
                                                  throws UnknownColumnException

Throws:

UnknownColumnException

decodeCellName

public static LegacyLayout.LegacyCellName decodeCellName(CFMetaData metadata,
                                                         java.nio.ByteBuffer cellname,
                                                         boolean readAllAsDynamic)
                                                  throws UnknownColumnException

Throws:

UnknownColumnException

decodeBound

public static LegacyLayout.LegacyBound decodeBound(CFMetaData metadata,
                                                   java.nio.ByteBuffer bound,
                                                   boolean isStart)

encodeBound

public static java.nio.ByteBuffer encodeBound(CFMetaData metadata,
                                              Slice.Bound bound,
                                              boolean isStart)

encodeCellName

public static java.nio.ByteBuffer encodeCellName(CFMetaData metadata,
                                                 ClusteringPrefix clustering,
                                                 java.nio.ByteBuffer columnName,
                                                 java.nio.ByteBuffer collectionElement)

decodeClustering

public static Clustering decodeClustering(CFMetaData metadata,
                                          java.nio.ByteBuffer value)

encodeClustering

public static java.nio.ByteBuffer encodeClustering(CFMetaData metadata,
                                                   ClusteringPrefix clustering)

fromUnfilteredRowIterator

public static LegacyLayout.LegacyUnfilteredPartition fromUnfilteredRowIterator(ReadCommand command,
                                                                               UnfilteredRowIterator iterator)

serializeAsLegacyPartition

public static void serializeAsLegacyPartition(ReadCommand command,
                                              UnfilteredRowIterator partition,
                                              DataOutputPlus out,
                                              int version)
                                       throws java.io.IOException

Throws:

java.io.IOException

deserializeLegacyPartition

public static UnfilteredRowIterator deserializeLegacyPartition(DataInputPlus in,
                                                               int version,
                                                               SerializationHelper.Flag flag,
                                                               java.nio.ByteBuffer key)
                                                        throws java.io.IOException

Throws:

java.io.IOException

serializedSizeAsLegacyPartition

public static long serializedSizeAsLegacyPartition(ReadCommand command,
                                                   UnfilteredRowIterator partition,
                                                   int version)

toUnfilteredRowIterator

public static UnfilteredRowIterator toUnfilteredRowIterator(CFMetaData metadata,
                                                            DecoratedKey key,
                                                            LegacyLayout.LegacyDeletionInfo delInfo,
                                                            java.util.Iterator<LegacyLayout.LegacyCell> cells)

onWireCellstoUnfilteredRowIterator

public static UnfilteredRowIterator onWireCellstoUnfilteredRowIterator(CFMetaData metadata,
                                                                       DecoratedKey key,
                                                                       LegacyLayout.LegacyDeletionInfo delInfo,
                                                                       java.util.Iterator<LegacyLayout.LegacyCell> cells,
                                                                       boolean reversed,
                                                                       SerializationHelper helper)

extractStaticColumns

public static Row extractStaticColumns(CFMetaData metadata,
                                       DataInputPlus in,
                                       Columns statics)
                                throws java.io.IOException

Throws:

java.io.IOException

fromRowIterator

public static Pair<LegacyLayout.LegacyRangeTombstoneList,java.util.Iterator<LegacyLayout.LegacyCell>> fromRowIterator(RowIterator iterator)

toRowIterator

public static RowIterator toRowIterator(CFMetaData metadata,
                                        DecoratedKey key,
                                        java.util.Iterator<LegacyLayout.LegacyCell> cells,
                                        int nowInSec)

legacyCellComparator

public static java.util.Comparator<LegacyLayout.LegacyCell> legacyCellComparator(CFMetaData metadata)

legacyCellComparator

public static java.util.Comparator<LegacyLayout.LegacyCell> legacyCellComparator(CFMetaData metadata,
                                                                                 boolean reversed)

legacyCellNameComparator

public static java.util.Comparator<LegacyLayout.LegacyCellName> legacyCellNameComparator(CFMetaData metadata,
                                                                                         boolean reversed)

readLegacyAtom

public static LegacyLayout.LegacyAtom readLegacyAtom(CFMetaData metadata,
                                                     DataInputPlus in,
                                                     boolean readAllAsDynamic)
                                              throws java.io.IOException

Throws:

java.io.IOException

readLegacyCell

public static LegacyLayout.LegacyCell readLegacyCell(CFMetaData metadata,
                                                     java.io.DataInput in,
                                                     SerializationHelper.Flag flag)
                                              throws java.io.IOException,
                                                     UnknownColumnException

Throws:

java.io.IOException

UnknownColumnException

readLegacyCellBody

public static LegacyLayout.LegacyCell readLegacyCellBody(CFMetaData metadata,
                                                         java.io.DataInput in,
                                                         java.nio.ByteBuffer cellname,
                                                         int mask,
                                                         SerializationHelper.Flag flag,
                                                         boolean readAllAsDynamic)
                                                  throws java.io.IOException,
                                                         UnknownColumnException

Throws:

java.io.IOException

UnknownColumnException

readLegacyRangeTombstoneBody

public static LegacyLayout.LegacyRangeTombstone readLegacyRangeTombstoneBody(CFMetaData metadata,
                                                                             DataInputPlus in,
                                                                             java.nio.ByteBuffer boundname)
                                                                      throws java.io.IOException

Throws:

java.io.IOException

deserializeCells

public static java.util.Iterator<LegacyLayout.LegacyCell> deserializeCells(CFMetaData metadata,
                                                                           java.io.DataInput in,
                                                                           SerializationHelper.Flag flag,
                                                                           int size)