#553 - Upgrade Mongo/Rest examples to Spring Boot 2.3.

rest/starbucks/src/main/java/example/springdata/rest/stores/StoreInitializer.java

@@ -32,6 +32,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.core.io.ClassPathResource;
 import org.springframework.data.geo.Point;
 import org.springframework.data.mongodb.core.MongoOperations;
+import org.springframework.data.mongodb.core.index.IndexDefinition;
+import org.springframework.data.mongodb.core.index.IndexResolver;
 import org.springframework.stereotype.Component;
 
 /**
@@ -51,6 +53,12 @@ public class StoreInitializer {
 			return;
 		}
 
+		Iterable<? extends IndexDefinition> indexDefinitions = IndexResolver
+				.create(operations.getConverter().getMappingContext())
+				.resolveIndexFor(Store.class);
+		
+		indexDefinitions.forEach(operations.indexOps(Store.class)::ensureIndex);
+
 		List<Store> stores = readStores();
 		log.info("Importing {} stores into MongoDB…", stores.size());
 		repository.saveAll(stores);