添加组播消息

broker/src/main/java/io/moquette/imhandler/IMHandler.java

@@ -32,6 +32,8 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
+import java.util.Collection;
+import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Set;
 
@@ -250,4 +252,12 @@ abstract public class IMHandler<T> {
         mServer.getImBusinessScheduler().execute(() -> publisher.publish2Receivers(updatedMessage, notifyReceivers, clientID, ProtoConstants.PullType.Pull_Normal));
         return notifyReceivers.size();
     }
+
+    protected long saveAndMulticast(String username, String clientID, WFCMessage.Message message, Collection<String> targets) {
+        Set<String> notifyReceivers = new HashSet<>();
+        notifyReceivers.addAll(targets);
+        WFCMessage.Message updatedMessage = m_messagesStore.storeMessage(username, clientID, message);
+        mServer.getImBusinessScheduler().execute(() -> publisher.publish2Receivers(updatedMessage, notifyReceivers, clientID, ProtoConstants.PullType.Pull_Normal));
+        return notifyReceivers.size();
+    }
 }