吊索事件偵聽代碼不起作用

Question

我想要了解有關吊索事件的實用知識，所以我試圖編寫代碼。我寫了一段代碼，但是我的吊索事件不起作用。我可以看到我的軟件包在osgi felix控制檯中處於活動狀態，但它沒有監聽事件。

有任何建議。

Answer 1

package com.adobe.training.core; 
import org.apache.felix.scr.annotations.Component; 
import org.apache.felix.scr.annotations.Property; 
import org.apache.felix.scr.annotations.Reference; 
import org.apache.felix.scr.annotations.Service; 
import org.apache.sling.api.resource.LoginException; 
import org.apache.sling.api.resource.ResourceResolver; 
import org.apache.sling.event.jobs.JobProcessor; 
import org.apache.sling.jcr.resource.JcrResourceResolverFactory; 
import org.osgi.service.event.Event; 
import org.osgi.service.event.EventHandler; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
import com.day.cq.replication.ReplicationAction; 
import com.day.cq.replication.ReplicationActionType; 
import com.day.cq.wcm.api.Page; 
import com.day.cq.wcm.api.PageManager; 

@SuppressWarnings("deprecation") 
@Service(value = EventHandler.class) 
@Component(immediate = true) 
@Property(name = "event.topics", value = ReplicationAction.EVENT_TOPIC) 
public class ReplicationLogger implements EventHandler, JobProcessor { 
    private static final Logger LOGGER = LoggerFactory.getLogger(ReplicationLogger.class); 
    @Reference 
    private JcrResourceResolverFactory jcrResourceResolverFactory; 
    @Override 
    public void handleEvent(Event event) { 
     LOGGER.info("********handling event"); 
     process (event); 
    } 
    @Override 
    public boolean process(Event event) { 
     LOGGER.info("********processing job"); 
     ReplicationAction action = ReplicationAction.fromEvent(event); 
     ResourceResolver resourceResolver = null; 
     if (action.getType().equals(ReplicationActionType.ACTIVATE)) { 
      try { 
       resourceResolver = jcrResourceResolverFactory.getAdministrativeResourceResolver(null); 
       final PageManager pm = resourceResolver.adaptTo(PageManager.class); 
       final Page page = pm.getContainingPage(action.getPath()); 
       if(page != null) { 
        LOGGER.info("********activation of page {}", page.getTitle()); 
       } 
      } 
      catch (LoginException e) { 
       e.printStackTrace(); 
      } 
      finally { 
       if(resourceResolver != null && resourceResolver.isLive()) { 
        resourceResolver.close(); 
       } 
      } 
     } 
     return true; 
    } 
} 

Answer 2

我猜你沒有bundle activate（）方法。我們使用「@Activate」註釋來表示它。

import org.apache.felix.scr.annotations.Activate 
... 
    @Activate 
    void activate(ComponentContext context) {...}