org.mule.runtime.core.api.routing

Class AggregationContext

java.lang.Object

org.mule.runtime.core.api.routing.AggregationContext

public final class AggregationContext
extends Object

Immutable object used to provide all the necessary information to perform an aggregation operation in one single parameter, helping to maintain consistent and simple signatures across aggregators The most important attribute in this class is events which holds the events to be aggregated. These events need to be ordered so that each event's index corresponds to the index of each route

Since:

3.5.0

Constructor Summary

Constructors

Constructor and Description
AggregationContext(Event originalEvent, List<Event> events) Creates a new instance

Method Summary

Modifier and Type	Method and Description
List<Event>	collectEventsWithExceptions() Returns all the Events which messages have a not null ExceptionPayload and a not null ExceptionPayload.getException().
List<Event>	collectEventsWithoutExceptions() The exact opposite to collectEventsWithExceptions() Returns all the Events which messages have a null ExceptionPayload or a null ExceptionPayload.getException().
NavigableMap<Integer,Throwable>	collectRouteExceptions() Returns a NavigableMap in which the key is a zero-based route index and the value is an Throwable generated by it.
List<Event>	getEvents()
Event	getOriginalEvent()

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregationContext

public AggregationContext(Event originalEvent,
                          List<Event> events)

Creates a new instance

Parameters:

originalEvent - a Event. Can be null

events - a List of Event. Cannot be null but could be empty. In that case, is up to each consumer to decide wether to fail or not

Method Detail

collectEventsWithExceptions

public List<Event> collectEventsWithExceptions()

Returns all the Events which messages have a not null ExceptionPayload and a not null ExceptionPayload.getException(). Notice that this is a select operation. Each time this method is invoked the result will be re-calculated

Returns:

a list of Event. It could be empty but it will never be null

collectRouteExceptions

public NavigableMap<Integer,Throwable> collectRouteExceptions()

Returns a NavigableMap in which the key is a zero-based route index and the value is an Throwable generated by it. Notice that this is a collect operation. Each time this method is invoked the result will be re-calculated

Returns:

a @{link NavigableMap. It could be empty but it will never be null

collectEventsWithoutExceptions

public List<Event> collectEventsWithoutExceptions()

The exact opposite to collectEventsWithExceptions() Returns all the Events which messages have a null ExceptionPayload or a null ExceptionPayload.getException(). Notice that this is a collect operation. Each time this method is invoked the result will be re-calculated

Returns:

a list of Event. It could be empty but it will never be null

getOriginalEvent

public Event getOriginalEvent()

getEvents

public List<Event> getEvents()