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

Class QueuingSource

java.lang.Object

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

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

All Implemented Interfaces:

Source, Closeable, AutoCloseable

Direct Known Subclasses:

MessageGenerator

public abstract class QueuingSource
extends BasicSource

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	QueuingSource(org.json.JSONObject config)
protected	QueuingSource(String defaultPipelineName)

Method Summary

Modifier and Type	Method and Description
protected MessageAndRouting	getNextPendingMessage()
boolean	hasMessagesReady(StreamProcessingContext spc)
protected MessageAndRouting	internalGetNextMessage(StreamProcessingContext spc) Get the next pending message, if any.
protected List<MessageAndRouting>	reload()

Methods inherited from class io.continual.services.processor.engine.library.sources.BasicSource

close, getBackoffTimes, getNextMessage, isEof, makeDefRoutingMessage, markComplete, noteEndOfStream, requeue

Methods inherited from class java.lang.Object

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

Constructor Detail

QueuingSource

protected QueuingSource(String defaultPipelineName)

QueuingSource

protected QueuingSource(org.json.JSONObject config)

Method Detail

hasMessagesReady

public boolean hasMessagesReady(StreamProcessingContext spc)
                         throws IOException

Throws:

IOException

internalGetNextMessage

protected MessageAndRouting internalGetNextMessage(StreamProcessingContext spc)
                                            throws IOException,
                                                   InterruptedException

Description copied from class: BasicSource

Get the next pending message, if any.

Specified by:

internalGetNextMessage in class BasicSource

Returns:

the next message, or null

Throws:

IOException

InterruptedException

getNextPendingMessage

protected MessageAndRouting getNextPendingMessage()

reload

protected List<MessageAndRouting> reload()