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CDI extension for Java EE 8 application using Apache Kafka as Event Store

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package net.osomahe.esk.eventstore.entity;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


/**
 * Field annotated by this annotation will be used as message key in kafka topic.
 *
 * @author Antonin Stoklasek
 */
@Documented
@Target({ElementType.FIELD, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
public @interface EventKey {
}