Package org.apache.storm.trident.operation.builtin

Class MapGet

java.lang.Object

org.apache.storm.trident.operation.BaseOperation

org.apache.storm.trident.state.BaseQueryFunction<ReadOnlyMapState,Object>

org.apache.storm.trident.operation.builtin.MapGet

All Implemented Interfaces:

Serializable, EachOperation, Operation, QueryFunction<ReadOnlyMapState,Object>

public class MapGet
extends BaseQueryFunction<ReadOnlyMapState,Object>

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
MapGet()

Method Summary

Modifier and Type	Method	Description
List<Object>	batchRetrieve(ReadOnlyMapState map, List<TridentTuple> keys)
void	execute(TridentTuple tuple, Object result, 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 Details

MapGet

public MapGet()

Method Details

batchRetrieve

public List<Object> batchRetrieve(ReadOnlyMapState map,
 List<TridentTuple> keys)

execute

public void execute(TridentTuple tuple,
 Object result,
 TridentCollector collector)