org.mule.runtime.module.extension.internal.runtime.source.poll

Class PollingSourceWrapper<T,A>

java.lang.Object

org.mule.sdk.api.runtime.source.Source<T,A>

org.mule.runtime.module.extension.internal.runtime.source.SourceWrapper<T,A>

org.mule.runtime.module.extension.internal.runtime.source.poll.PollingSourceWrapper<T,A>

Type Parameters:

T -

A -

All Implemented Interfaces:

Restartable

public class PollingSourceWrapper<T,A>
extends SourceWrapper<T,A>
implements Restartable

A SourceWrapper implementation that provides Polling related capabilities to any wrapped Source, like scheduled polling, watermarking and idempotent processing.

Since:

4.1

Field Summary

Fields

Modifier and Type	Field and Description
static String	ACCEPTED_ITEM_MESSAGE
static String	ACCEPTED_POLL_ITEM_INFORMATION
static String	REJECTED_ITEM_MESSAGE
static String	WATERMARK_COMPARISON_MESSAGE
static String	WATERMARK_NOT_RETURNED_MESSAGE
static String	WATERMARK_REMOVED_MESSAGE
static String	WATERMARK_RETURNED_MESSAGE
static String	WATERMARK_SAVED_MESSAGE

Constructor Summary

Constructors

Constructor and Description
PollingSourceWrapper(org.mule.sdk.api.runtime.source.PollingSource<T,A> delegate, org.mule.runtime.api.scheduler.SchedulingStrategy scheduler, int maxItemsPerPoll, SystemExceptionHandler systemExceptionHandler)

Method Summary

Modifier and Type	Method and Description
RestartContext	beginRestart() Method that needs to be called when a restart is performed.
void	finishRestart(RestartContext restartContext) Method that needs to be called to finish the process of restarting.
void	onBackPressure(CoreEvent event, Map<String,Object> parameters, org.mule.sdk.api.runtime.source.SourceCallbackContext context, org.mule.runtime.api.component.execution.CompletableCallback<Void> callback)
void	onStart(org.mule.sdk.api.runtime.source.SourceCallback<T,A> sourceCallback)
void	onStop()
void	onTerminate(CoreEvent event, Map<String,Object> parameters, org.mule.sdk.api.runtime.source.SourceCallbackContext context, org.mule.runtime.api.component.execution.CompletableCallback<Void> callback)

Methods inherited from class org.mule.runtime.module.extension.internal.runtime.source.SourceWrapper

getDelegate, onError, onSuccess

Methods inherited from class java.lang.Object

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

Field Detail

ACCEPTED_POLL_ITEM_INFORMATION

public static final String ACCEPTED_POLL_ITEM_INFORMATION

See Also:

Constant Field Values

REJECTED_ITEM_MESSAGE

public static final String REJECTED_ITEM_MESSAGE

See Also:

Constant Field Values

ACCEPTED_ITEM_MESSAGE

public static final String ACCEPTED_ITEM_MESSAGE

See Also:

Constant Field Values

WATERMARK_SAVED_MESSAGE

public static final String WATERMARK_SAVED_MESSAGE

See Also:

Constant Field Values

WATERMARK_RETURNED_MESSAGE

public static final String WATERMARK_RETURNED_MESSAGE

See Also:

Constant Field Values

WATERMARK_NOT_RETURNED_MESSAGE

public static final String WATERMARK_NOT_RETURNED_MESSAGE

See Also:

Constant Field Values

WATERMARK_REMOVED_MESSAGE

public static final String WATERMARK_REMOVED_MESSAGE

See Also:

Constant Field Values

WATERMARK_COMPARISON_MESSAGE

public static final String WATERMARK_COMPARISON_MESSAGE

See Also:

Constant Field Values

Constructor Detail

PollingSourceWrapper

public PollingSourceWrapper(org.mule.sdk.api.runtime.source.PollingSource<T,A> delegate,
                            org.mule.runtime.api.scheduler.SchedulingStrategy scheduler,
                            int maxItemsPerPoll,
                            SystemExceptionHandler systemExceptionHandler)

Method Detail

onStart

public void onStart(org.mule.sdk.api.runtime.source.SourceCallback<T,A> sourceCallback)
             throws org.mule.runtime.api.exception.MuleException

Specified by:

onStart in class org.mule.sdk.api.runtime.source.Source<T,A>

Throws:

org.mule.runtime.api.exception.MuleException

onStop

public void onStop()

Specified by:

onStop in class org.mule.sdk.api.runtime.source.Source<T,A>

onTerminate

public void onTerminate(CoreEvent event,
                        Map<String,Object> parameters,
                        org.mule.sdk.api.runtime.source.SourceCallbackContext context,
                        org.mule.runtime.api.component.execution.CompletableCallback<Void> callback)

Overrides:

onTerminate in class SourceWrapper<T,A>

onBackPressure

public void onBackPressure(CoreEvent event,
                           Map<String,Object> parameters,
                           org.mule.sdk.api.runtime.source.SourceCallbackContext context,
                           org.mule.runtime.api.component.execution.CompletableCallback<Void> callback)

Overrides:

onBackPressure in class SourceWrapper<T,A>

beginRestart

public RestartContext beginRestart()

Description copied from interface: Restartable

Method that needs to be called when a restart is performed.

Specified by:

beginRestart in interface Restartable

Returns:

a context needed after a restart is performed.

finishRestart

public void finishRestart(RestartContext restartContext)

Description copied from interface: Restartable

Method that needs to be called to finish the process of restarting.

Specified by:

finishRestart in interface Restartable

Parameters:

restartContext - the context generated by Restartable.beginRestart()