reduction removed TRANSACTION_SERVICE_ID and TRANSACTION_LISTENER_ID in ServiceProvider

remoting/src/main/java/org/apache/rocketmq/remoting/util/ServiceProvider.java

@@ -32,6 +32,14 @@ public class ServiceProvider {
      */
     private static ClassLoader thisClassLoader;
 
+    /**
+     * JDK1.3+ <a href= "http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html#Service%20Provider" > 'Service Provider'
+     * specification</a>.
+     */
+    public static final String TRANSACTION_SERVICE_ID = "META-INF/service/org.apache.rocketmq.broker.transaction.TransactionalMessageService";
+
+    public static final String TRANSACTION_LISTENER_ID = "META-INF/service/org.apache.rocketmq.broker.transaction.AbstractTransactionalMessageCheckListener";
+
     static {
         thisClassLoader = getClassLoader(ServiceProvider.class);
     }