org.apache.cassandra.db

Class SliceFromReadCommand

java.lang.Object

org.apache.cassandra.db.ReadCommand

org.apache.cassandra.db.SliceFromReadCommand

All Implemented Interfaces:

IReadCommand

Direct Known Subclasses:

RetriedSliceFromReadCommand

public class SliceFromReadCommand
extends ReadCommand

Field Summary

Fields

Modifier and Type	Field and Description
SliceQueryFilter	filter

Fields inherited from class org.apache.cassandra.db.ReadCommand

CMD_TYPE_GET_SLICE, CMD_TYPE_GET_SLICE_BY_NAMES, commandType, key, queryPath, serializer, table

Constructor Summary

Constructors

Constructor and Description
SliceFromReadCommand(java.lang.String table, java.nio.ByteBuffer key, ColumnParent column_parent, java.nio.ByteBuffer start, java.nio.ByteBuffer finish, boolean reversed, int count)
SliceFromReadCommand(java.lang.String table, java.nio.ByteBuffer key, QueryPath path, java.nio.ByteBuffer start, java.nio.ByteBuffer finish, boolean reversed, int count)
SliceFromReadCommand(java.lang.String table, java.nio.ByteBuffer key, QueryPath path, SliceQueryFilter filter)

Method Summary

Methods

Modifier and Type	Method and Description
ReadCommand	copy()
IDiskAtomFilter	filter()
protected int	getOriginalRequestedCount() The original number of columns requested by the user.
Row	getRow(Table table)
ReadCommand	maybeGenerateRetryCommand(RowDataResolver resolver, Row row)
void	maybeTrim(Row row)
java.lang.String	toString()

Methods inherited from class org.apache.cassandra.db.ReadCommand

createMessage, getColumnFamilyName, getComparator, getKeyspace, getTimeout, isDigestQuery, setDigestQuery

Methods inherited from class java.lang.Object

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

Field Detail

filter

public final SliceQueryFilter filter

Constructor Detail

SliceFromReadCommand

public SliceFromReadCommand(java.lang.String table,
                    java.nio.ByteBuffer key,
                    ColumnParent column_parent,
                    java.nio.ByteBuffer start,
                    java.nio.ByteBuffer finish,
                    boolean reversed,
                    int count)

SliceFromReadCommand

public SliceFromReadCommand(java.lang.String table,
                    java.nio.ByteBuffer key,
                    QueryPath path,
                    java.nio.ByteBuffer start,
                    java.nio.ByteBuffer finish,
                    boolean reversed,
                    int count)

SliceFromReadCommand

public SliceFromReadCommand(java.lang.String table,
                    java.nio.ByteBuffer key,
                    QueryPath path,
                    SliceQueryFilter filter)

Method Detail

copy

public ReadCommand copy()

Specified by:

copy in class ReadCommand

getRow

public Row getRow(Table table)

Specified by:

getRow in class ReadCommand

maybeGenerateRetryCommand

public ReadCommand maybeGenerateRetryCommand(RowDataResolver resolver,
                                    Row row)

Overrides:

maybeGenerateRetryCommand in class ReadCommand

maybeTrim

public void maybeTrim(Row row)

Overrides:

maybeTrim in class ReadCommand

filter

public IDiskAtomFilter filter()

Specified by:

filter in class ReadCommand

getOriginalRequestedCount

protected int getOriginalRequestedCount()

The original number of columns requested by the user. This can be different from count when the slice command is a retry (see RetriedSliceFromReadCommand)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object