org.apache.storm.cassandra.trident.state

Class CassandraQuery

java.lang.Object

org.apache.storm.trident.operation.BaseOperation

org.apache.storm.trident.state.BaseQueryFunction<CassandraState,List<Values>>

org.apache.storm.cassandra.trident.state.CassandraQuery

All Implemented Interfaces:

Serializable, EachOperation, Operation, QueryFunction<CassandraState,List<Values>>

public class CassandraQuery
extends BaseQueryFunction<CassandraState,List<Values>>

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CassandraQuery()

Method Summary

Modifier and Type	Method and Description
List<List<Values>>	batchRetrieve(CassandraState state, List<TridentTuple> tridentTuples)
void	execute(TridentTuple tuple, List<Values> valuesList, TridentCollector collector)

Methods inherited from class org.apache.storm.trident.operation.BaseOperation

cleanup, prepare

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.storm.trident.operation.Operation

cleanup, prepare

Constructor Detail

CassandraQuery

public CassandraQuery()

Method Detail

batchRetrieve

public List<List<Values>> batchRetrieve(CassandraState state,
                                        List<TridentTuple> tridentTuples)

execute

public void execute(TridentTuple tuple,
                    List<Values> valuesList,
                    TridentCollector collector)