backtype.storm.testing

Class OpaqueMemoryTransactionalSpout

java.lang.Object

backtype.storm.testing.OpaqueMemoryTransactionalSpout

All Implemented Interfaces:

IComponent, IOpaquePartitionedTransactionalSpout<MemoryTransactionalSpoutMeta>, Serializable

public class OpaqueMemoryTransactionalSpout
extends Object
implements IOpaquePartitionedTransactionalSpout<MemoryTransactionalSpoutMeta>

This spout only works in local mode.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	TX_FIELD

Constructor Summary

Constructors

Constructor and Description
OpaqueMemoryTransactionalSpout(Map<Integer,List<List<Object>>> partitions, Fields outFields, int takeAmt)

Method Summary

Modifier and Type	Method and Description
void	cleanup()
void	declareOutputFields(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.
Map<String,Object>	getComponentConfiguration() Declare configuration specific to this component.
IOpaquePartitionedTransactionalSpout.Coordinator	getCoordinator(Map conf, TopologyContext context)
IOpaquePartitionedTransactionalSpout.Emitter<MemoryTransactionalSpoutMeta>	getEmitter(Map conf, TopologyContext context)
boolean	isExhaustedTuples()
void	setDisabled(Integer partition, boolean disabled)
void	startup()

Methods inherited from class java.lang.Object

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

Field Detail

TX_FIELD

public static String TX_FIELD

Constructor Detail

OpaqueMemoryTransactionalSpout

public OpaqueMemoryTransactionalSpout(Map<Integer,List<List<Object>>> partitions,
                                      Fields outFields,
                                      int takeAmt)

Method Detail

setDisabled

public void setDisabled(Integer partition,
                        boolean disabled)

isExhaustedTuples

public boolean isExhaustedTuples()

getEmitter

public IOpaquePartitionedTransactionalSpout.Emitter<MemoryTransactionalSpoutMeta> getEmitter(Map conf,
                                                                                             TopologyContext context)

Specified by:

getEmitter in interface IOpaquePartitionedTransactionalSpout<MemoryTransactionalSpoutMeta>

getCoordinator

public IOpaquePartitionedTransactionalSpout.Coordinator getCoordinator(Map conf,
                                                                       TopologyContext context)

Specified by:

getCoordinator in interface IOpaquePartitionedTransactionalSpout<MemoryTransactionalSpoutMeta>

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)

Description copied from interface: IComponent

Declare the output schema for all the streams of this topology.

Specified by:

declareOutputFields in interface IComponent

Parameters:

declarer - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream

getComponentConfiguration

public Map<String,Object> getComponentConfiguration()

Description copied from interface: IComponent

Declare configuration specific to this component. Only a subset of the "topology.*" configs can be overridden. The component configuration can be further overridden when constructing the topology using TopologyBuilder

Specified by:

getComponentConfiguration in interface IComponent

startup

public void startup()

cleanup

public void cleanup()