org.apache.cassandra.service

Interface CASConditions

All Known Implementing Classes:

CQL3CasConditions

public interface CASConditions

Abstract the conditions to be fulfilled by a CAS operation.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	appliesTo(ColumnFamily current) Returns whether the provided CF, that represents the values fetched using the readFilter(), match the CAS conditions this object stands for.
IDiskAtomFilter	readFilter() The filter to use to fetch the value to compare for the CAS.

Method Detail

readFilter

IDiskAtomFilter readFilter()

The filter to use to fetch the value to compare for the CAS.

appliesTo

boolean appliesTo(ColumnFamily current)
                  throws InvalidRequestException

Returns whether the provided CF, that represents the values fetched using the readFilter(), match the CAS conditions this object stands for.

Throws:

InvalidRequestException