org.apache.cassandra.cql3

Class UpdateParameters

java.lang.Object

org.apache.cassandra.cql3.UpdateParameters

public class UpdateParameters
extends java.lang.Object

A simple container that simplify passing parameters for collections methods.

Field Summary

Fields

Modifier and Type	Field and Description
int	localDeletionTime
CFMetaData	metadata
QueryOptions	options
long	timestamp

Constructor Summary

Constructors

Constructor and Description
UpdateParameters(CFMetaData metadata, QueryOptions options, long timestamp, int ttl, java.util.Map<java.nio.ByteBuffer,CQL3Row> prefetchedLists)

Method Summary

Modifier and Type	Method and Description
java.util.List<Cell>	getPrefetchedList(java.nio.ByteBuffer rowKey, ColumnIdentifier cql3ColumnName, ColumnFamily cf) Returns the prefetched list with the already performed modifications.
Cell	makeColumn(CellName name, java.nio.ByteBuffer value)
Cell	makeCounter(CellName name, long delta)
RangeTombstone	makeRangeTombstone(ColumnSlice slice)
Cell	makeTombstone(CellName name)
RangeTombstone	makeTombstoneForOverwrite(ColumnSlice slice)

Methods inherited from class java.lang.Object

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

Field Detail

metadata

public final CFMetaData metadata

options

public final QueryOptions options

timestamp

public final long timestamp

localDeletionTime

public final int localDeletionTime

Constructor Detail

UpdateParameters

public UpdateParameters(CFMetaData metadata,
                        QueryOptions options,
                        long timestamp,
                        int ttl,
                        java.util.Map<java.nio.ByteBuffer,CQL3Row> prefetchedLists)
                 throws InvalidRequestException

Throws:

InvalidRequestException

Method Detail

makeColumn

public Cell makeColumn(CellName name,
                       java.nio.ByteBuffer value)
                throws InvalidRequestException

Throws:

InvalidRequestException

makeCounter

public Cell makeCounter(CellName name,
                        long delta)
                 throws InvalidRequestException

Throws:

InvalidRequestException

makeTombstone

public Cell makeTombstone(CellName name)
                   throws InvalidRequestException

Throws:

InvalidRequestException

makeRangeTombstone

public RangeTombstone makeRangeTombstone(ColumnSlice slice)
                                  throws InvalidRequestException

Throws:

InvalidRequestException

makeTombstoneForOverwrite

public RangeTombstone makeTombstoneForOverwrite(ColumnSlice slice)
                                         throws InvalidRequestException

Throws:

InvalidRequestException

getPrefetchedList

public java.util.List<Cell> getPrefetchedList(java.nio.ByteBuffer rowKey,
                                              ColumnIdentifier cql3ColumnName,
                                              ColumnFamily cf)

Returns the prefetched list with the already performed modifications.

If no modification have yet been performed this method will return the fetched list. If some modifications (updates or deletions) have already been done the list returned will be the result of the merge of the fetched list and of the pending mutations.

Parameters:

rowKey - the row key

cql3ColumnName - the column name

cf - the pending modifications

Returns:

the prefetched list with the already performed modifications