ConfigNotificationService.java

//
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 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
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 * The Initial Developer of the Original Code is
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package org.dcm4chee.conf.notif;

import org.dcm4che3.conf.core.api.ConfigChangeEvent;
import org.dcm4che3.conf.core.api.ConfigurationException;
import org.dcm4che3.conf.core.api.InternalConfigChangeEvent;
import org.dcm4chee.conf.storage.ConfigurationEJB;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.event.Event;
import javax.inject.Inject;

/**
 * @author Alexander Hoermandinger <alexander.hoermandinger@agfa.com>
 */
@ApplicationScoped
public class ConfigNotificationService {
    private static final Logger LOGGER = LoggerFactory.getLogger(ConfigNotificationService.class);

    @Inject
    private Event<InternalConfigChangeEvent> internalEvent;

    @Inject
    private Event<ConfigChangeEvent> event;

    @Inject
    private ConfigChangeTopicBroker clusterBroker;
    
    /**
     * Send config change event to all listeners registered within the cluster
     * @param changeEvent
     */
    public void sendClusterScopedConfigChangeNotification(ConfigChangeEvent changeEvent) {
        clusterBroker.forwardToClusterNodes(changeEvent);
    }
    
    /**
     * Send config change event to all listeners registered within the node
     *
     * @param changeEvent
     */
    public void sendLocalScopedConfigChangeNotification(ConfigChangeEvent changeEvent) {
        LOGGER.debug("Sending config changed notification CDI event");

        // first fire the internal event that should only be handled by the (archive/ARR) Device itself
        internalEvent.fire(new InternalConfigChangeEvent());

        // then everybody else gets notified
        event.fire(changeEvent);
    }

}