Examples with EventListener org.opennms.netmgt.events.api.annotations.EventListener used on opensource projects

Example 1 with EventListener

use of org.opennms.netmgt.events.api.annotations.EventListener in project opennms by OpenNMS.

the class AnnotationBasedEventListenerAdapter method afterPropertiesSet.

/**
 * <p>afterPropertiesSet</p>
 */
@Override
public void afterPropertiesSet() {
    Assert.state(m_subscriptionService != null, "subscriptionService must be set");
    Assert.state(m_annotatedListener != null, "must set the annotatedListener property");
    EventListener listenerInfo = findEventListenerAnnotation(m_annotatedListener);
    Assert.state(listenerInfo != null, "value of annotatedListener property of class " + m_annotatedListener.getClass() + " must be annotated as " + EventListener.class.getName());
    if (m_name == null) {
        m_name = listenerInfo.name();
    }
    if (m_logPrefix == null) {
        if (listenerInfo.logPrefix() != null && !"".equals(listenerInfo.logPrefix())) {
            m_logPrefix = listenerInfo.logPrefix();
        } else {
            m_logPrefix = m_name;
        }
    }
    m_threads = listenerInfo.threads();
    populatePreProcessorList();
    populateUeiToHandlerMap();
    populatePostProcessorList();
    populateExceptionHandlersSet();
    // register this class as an EventListener for all UEIs
    if (m_ueiToHandlerMap.size() == 1 && EventHandler.ALL_UEIS.equals(m_ueiToHandlerMap.keySet().toArray()[0])) {
        m_subscriptionService.addEventListener(this);
    } else {
        m_subscriptionService.addEventListener(this, new HashSet<String>(m_ueiToHandlerMap.keySet()));
    }
}