juneau-microservice/juneau-microservice-core/src/main/java/org/apache/juneau/microservice/MicroserviceListener.java

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package org.apache.juneau.microservice;

import org.apache.juneau.config.event.*;

/**
 * Listener class for microservice lifecycle events.
 */
public interface MicroserviceListener {

	/**
	 * Called at the beginning of the {@link Microservice#start()} call.
	 *
	 * @param microservice Reference to microservice.
	 */
	void onStart(Microservice microservice);

	/**
	 * Called at the end of the {@link Microservice#stop()} call.
	 *
	 * @param microservice Reference to microservice.
	 */
	void onStop(Microservice microservice);

	/**
	 * Called if one or more changes occur in the config file.
	 *
	 * @param microservice Reference to microservice.
	 * @param events The list of changes in the config file.
	 */
	void onConfigChange(Microservice microservice, ConfigEvents events);
}