Package org.axonframework.eventsourcing.eventstore

Class MetadataBasedTagResolver

java.lang.Object

org.axonframework.eventsourcing.eventstore.MetadataBasedTagResolver

All Implemented Interfaces:

TagResolver

public class MetadataBasedTagResolver
extends Object
implements TagResolver

Implementation of the TagResolver that resolves Tags based on a metadata key from an EventMessage.

Since:

5.0.0

Author:

Mateusz Nowak

Constructor Summary

Constructors

Constructor	Description
MetadataBasedTagResolver(String metadataKey)	Constructs a MetadataBasedTagResolver using the given metadata key.

Method Summary

Modifier and Type	Method	Description
Set<Tag>	resolve(EventMessage event)	Resolves a Set of Tags for the given event.

Methods inherited from class java.lang.Object

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

Constructor Details

MetadataBasedTagResolver

public MetadataBasedTagResolver(String metadataKey)

Constructs a MetadataBasedTagResolver using the given metadata key.

Parameters:

metadataKey - The key to extract the tag value from the event's metadata.

Method Details

resolve

public Set<Tag> resolve(EventMessage event)

Description copied from interface: TagResolver

Resolves a Set of Tags for the given event.

Specified by:

resolve in interface TagResolver

Parameters:

event - The event to resolve a Set of Tags for.

Returns:

A Set of Tags for the given event.