How to use interface EventHandler?

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kafeitu

import org.activiti.engine.impl.event.EventHandler;
import org.activiti.engine.impl.interceptor.CommandContext;
import org.activiti.engine.impl.persistence.entity.EventSubscriptionEntity;

public class CustomEventHandler implements EventHandler {

   @Override
   public String getEventHandlerType() {
               // TODO event types? who know?
      return null;
   }

   @Override
   public void handleEvent(EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {
      // TODO print …
   }
}

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Why the interface  of org.activiti.engine.impl.event.EventHandler has't javadoc?

kafeitu

I knew.

<br>public class SignalEventHandler extends AbstractEventHandler {<br>&nbsp; <br>&nbsp; public static final String EVENT_HANDLER_TYPE = "signal";<br><br>&nbsp; public String getEventHandlerType() {<br>&nbsp;&nbsp;&nbsp; return EVENT_HANDLER_TYPE;<br>&nbsp; }<br><br>}<br>