Package org.apache.storm.loadgen

Class InputStream

java.lang.Object

org.apache.storm.loadgen.InputStream

All Implemented Interfaces:

Serializable

public class InputStream
extends Object
implements Serializable

A set of measurements about a stream so we can statistically reproduce it.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	InputStream.Builder

Field Summary

Fields

Modifier and Type	Field	Description
final NormalDistStats	execTime
final String	fromComponent
final GroupingType	groupingType
final String	id
final NormalDistStats	processTime
final String	toComponent

Constructor Summary

Constructors

Constructor	Description
InputStream(String fromComponent, String toComponent, String id, NormalDistStats execTime, NormalDistStats processTime, GroupingType groupingType)	Create a new input stream to a bolt.

Method Summary

Modifier and Type	Method	Description
static InputStream	fromConf(Map<String,Object> conf)	Create an output stream from a config.
GlobalStreamId	gsid()	Get the global stream id for this input stream.
InputStream	remap(Map<String,String> remappedComponents, Map<GlobalStreamId,GlobalStreamId> remappedStreams)	Remap the names of components.
InputStream	replaceShuffleWithLocalOrShuffle()	Replace all SHUFFLE groupings with LOCAL_OR_SHUFFLE.
Map<String,Object>	toConf()	Convert this to a conf.

Methods inherited from class java.lang.Object

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

Field Details

fromComponent

public final String fromComponent

toComponent

public final String toComponent

id

public final String id

execTime

public final NormalDistStats execTime

processTime

public final NormalDistStats processTime

groupingType

public final GroupingType groupingType

Constructor Details

InputStream

public InputStream(String fromComponent,
 String toComponent,
 String id,
 NormalDistStats execTime,
 NormalDistStats processTime,
 GroupingType groupingType)

Create a new input stream to a bolt.

Parameters:

fromComponent - the source component of the stream.

id - the id of the stream

execTime - exec time stats

processTime - process time stats

Method Details

fromConf

public static InputStream fromConf(Map<String,Object> conf)

Create an output stream from a config.

Parameters:

conf - the config to read from.

Returns:

the read OutputStream.

toConf

public Map<String,Object> toConf()

Convert this to a conf.

Returns:

the conf.

gsid

public GlobalStreamId gsid()

Get the global stream id for this input stream.

Returns:

the GlobalStreamId for this input stream.

remap

public InputStream remap(Map<String,String> remappedComponents,
 Map<GlobalStreamId,GlobalStreamId> remappedStreams)

Remap the names of components.

Parameters:

remappedComponents - old name to new name of components.

remappedStreams - old ID to new ID of streams.

Returns:

a modified version of this with names remapped.

replaceShuffleWithLocalOrShuffle

public InputStream replaceShuffleWithLocalOrShuffle()

Replace all SHUFFLE groupings with LOCAL_OR_SHUFFLE.

Returns:

a modified copy of this