org.apache.cassandra.db
Class SliceFromReadCommand

java.lang.Object
  org.apache.cassandra.db.ReadCommand
      org.apache.cassandra.db.SliceFromReadCommand

All Implemented Interfaces:

MessageProducer, IReadCommand

Direct Known Subclasses:

RetriedSliceFromReadCommand

public class SliceFromReadCommand
extends ReadCommand

Field Summary

int	count
java.nio.ByteBuffer	finish
boolean	reversed
java.nio.ByteBuffer	start

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

CMD_TYPE_GET_SLICE, CMD_TYPE_GET_SLICE_BY_NAMES, commandType, key, queryPath, table

Constructor Summary

SliceFromReadCommand(java.lang.String table, java.nio.ByteBuffer key, org.apache.cassandra.thrift.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)

Method Summary

ReadCommand	copy()
protected int	getOriginalRequestedCount() The original number of columns requested by the user.
Row	getRow(Table table)
ReadCommand	maybeGenerateRetryCommand(RepairCallback handler, Row row)
void	maybeTrim(Row row)
java.lang.String	toString()

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

getColumnFamilyName, getComparator, getKeyspace, getMessage, isDigestQuery, serializer, setDigestQuery

Methods inherited from class java.lang.Object

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

Field Detail

start

public final java.nio.ByteBuffer start

finish

public final java.nio.ByteBuffer finish

reversed

public final boolean reversed

count

public final int count

Constructor Detail

SliceFromReadCommand

public SliceFromReadCommand(java.lang.String table,
                            java.nio.ByteBuffer key,
                            org.apache.cassandra.thrift.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)

Method Detail

copy

public ReadCommand copy()

Specified by:

copy in class ReadCommand

getRow

public Row getRow(Table table)
           throws java.io.IOException

Specified by:

getRow in class ReadCommand

Throws:

java.io.IOException

maybeGenerateRetryCommand

public ReadCommand maybeGenerateRetryCommand(RepairCallback handler,
                                             Row row)

Overrides:

maybeGenerateRetryCommand in class ReadCommand

maybeTrim

public void maybeTrim(Row row)

Overrides:

maybeTrim 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