io.continual.services.processor.engine.library.sources

Class NullSource

java.lang.Object

io.continual.services.processor.engine.library.sources.NullSource

All Implemented Interfaces:

Source, Closeable, AutoCloseable

public class NullSource
extends Object
implements Source

A CSV stream source. This source will report EOF when all records are read.

Constructor Summary

Constructors

Constructor and Description
NullSource(ConfigLoadContext sc, org.json.JSONObject config)
NullSource(org.json.JSONObject config)

Method Summary

Modifier and Type	Method and Description
void	close()
MessageAndRouting	getNextMessage(StreamProcessingContext spc, long timeUnit, TimeUnit units) Get the next message from this source.
boolean	isEof() Is the source at EOF? Not all sources are bounded, so they may always return false.
void	markComplete(StreamProcessingContext spc, MessageAndRouting mr) Called by the processing engine when processing for a given message is complete.
void	requeue(MessageAndRouting msg) Requeue a message for delivery into the given pipeline

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.continual.services.processor.engine.model.Source

open

Constructor Detail

NullSource

public NullSource(org.json.JSONObject config)
           throws Builder.BuildFailure

Throws:

Builder.BuildFailure

NullSource

public NullSource(ConfigLoadContext sc,
                  org.json.JSONObject config)
           throws Builder.BuildFailure

Throws:

Builder.BuildFailure

Method Detail

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

isEof

public boolean isEof()

Description copied from interface: Source

Is the source at EOF? Not all sources are bounded, so they may always return false.

Specified by:

isEof in interface Source

Returns:

true if the source is at EOF

getNextMessage

public MessageAndRouting getNextMessage(StreamProcessingContext spc,
                                        long timeUnit,
                                        TimeUnit units)
                                 throws InterruptedException

Description copied from interface: Source

Get the next message from this source.

Specified by:

getNextMessage in interface Source

Returns:

the next message with routing, or null if none are available

Throws:

InterruptedException

requeue

public void requeue(MessageAndRouting msg)

Description copied from interface: Source

Requeue a message for delivery into the given pipeline

Specified by:

requeue in interface Source

markComplete

public void markComplete(StreamProcessingContext spc,
                         MessageAndRouting mr)

Description copied from interface: Source

Called by the processing engine when processing for a given message is complete.

Specified by:

markComplete in interface Source