Added event on saving User cascade save EmailAddress

spring-data-mongodb/src/main/java/org/baeldung/config/MongoConfig.java

@@ -1,5 +1,7 @@
 package org.baeldung.config;
 
+import org.baeldung.event.CascadingMongoEventListener;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.mongodb.config.AbstractMongoConfiguration;
 import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
@@ -25,4 +27,9 @@ public class MongoConfig extends AbstractMongoConfiguration {
     public String getMappingBasePackage() {
         return "org.baeldung";
     }
+    
+    @Bean
+    public CascadingMongoEventListener cascadingMongoEventListener(){
+        return new CascadingMongoEventListener();
+    }
 }

spring-data-mongodb/src/main/java/org/baeldung/model/User.java

@@ -1,8 +1,8 @@
 package org.baeldung.model;
 
+import org.baeldung.annotation.CascadeSave;
 import org.springframework.data.annotation.Id;
-import org.springframework.data.mongodb.core.index.CompoundIndex;
-import org.springframework.data.mongodb.core.index.CompoundIndexes;
+import org.springframework.data.mongodb.core.index.IndexDirection;
 import org.springframework.data.mongodb.core.index.Indexed;
 import org.springframework.data.mongodb.core.mapping.DBRef;
 import org.springframework.data.mongodb.core.mapping.Document;
@@ -16,11 +16,14 @@ public class User {
 
     @Id
     private String id;
+    @Indexed(direction = IndexDirection.ASCENDING)
     private String name;
+
     private Integer age;
     @DBRef
-    @Indexed
     @Field("email")
+    @CascadeSave
+
     private EmailAddress emailAddress;
 
     public String getId() {