From a8766f73f5b6c181c6ea7ca4aab5504c1a82dbf1 Mon Sep 17 00:00:00 2001
From: Thirumala <thirumala.thotapalli-external@arangodb.com>
Date: Sat, 28 Jun 2025 12:20:34 +0530
Subject: [PATCH] Implemented DE-695

---
 .../arangodb/spring/demo/DemoApplication.java |  5 +-
 .../spring/demo/entity/Character.java         |  3 +-
 .../spring/demo/runner/CrudRunner.java        | 55 ++++++++++++++-----
 .../src/main/resources/application.properties |  3 +
 4 files changed, 47 insertions(+), 19 deletions(-)
 create mode 100644 tutorial/src/main/resources/application.properties

diff --git a/tutorial/src/main/java/com/arangodb/spring/demo/DemoApplication.java b/tutorial/src/main/java/com/arangodb/spring/demo/DemoApplication.java
index e4bee91f..07483e20 100644
--- a/tutorial/src/main/java/com/arangodb/spring/demo/DemoApplication.java
+++ b/tutorial/src/main/java/com/arangodb/spring/demo/DemoApplication.java
@@ -19,17 +19,14 @@
  */
 
 package com.arangodb.spring.demo;
-
-import com.arangodb.spring.demo.runner.CrudRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-
 @SpringBootApplication
 public class DemoApplication {
     public static void main(final String... args) {
         System.exit(SpringApplication.exit(
-                SpringApplication.run(CrudRunner.class, args)
+                SpringApplication.run(DemoApplication.class, args)
         ));
     }
 }
diff --git a/tutorial/src/main/java/com/arangodb/spring/demo/entity/Character.java b/tutorial/src/main/java/com/arangodb/spring/demo/entity/Character.java
index ea68c4fa..ec0168cc 100644
--- a/tutorial/src/main/java/com/arangodb/spring/demo/entity/Character.java
+++ b/tutorial/src/main/java/com/arangodb/spring/demo/entity/Character.java
@@ -28,6 +28,7 @@ public record Character(
         @Id
         String id,
         String name,
-        String surname
+        String surname,
+        Long expiresAt
 ) {
 }
diff --git a/tutorial/src/main/java/com/arangodb/spring/demo/runner/CrudRunner.java b/tutorial/src/main/java/com/arangodb/spring/demo/runner/CrudRunner.java
index b20d7bff..e7dbd94b 100644
--- a/tutorial/src/main/java/com/arangodb/spring/demo/runner/CrudRunner.java
+++ b/tutorial/src/main/java/com/arangodb/spring/demo/runner/CrudRunner.java
@@ -20,16 +20,23 @@
 
 package com.arangodb.spring.demo.runner;
 
+import com.arangodb.model.TtlIndexOptions;
 import com.arangodb.spring.demo.entity.Character;
 import com.arangodb.spring.demo.repository.CharacterRepository;
 import com.arangodb.springframework.core.ArangoOperations;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.CommandLineRunner;
-import org.springframework.context.annotation.ComponentScan;
+import org.springframework.stereotype.Component;
+
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.Collections;
+import java.util.Date;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-@ComponentScan("com.arangodb.spring.demo")
+@Component
 public class CrudRunner implements CommandLineRunner {
 
     @Autowired
@@ -38,21 +45,41 @@ public class CrudRunner implements CommandLineRunner {
     @Autowired
     private CharacterRepository repository;
 
+    @Value("${arangodb.ddl.enabled:false}")
+    private boolean isDdlEnabled;
+
     @Override
     public void run(String... args) {
-        // first drop the database so that we can run this multiple times with the same dataset
-        operations.dropDatabase();
+        if (isDdlEnabled) {
+            operations.dropDatabase();
+            System.out.println("Database dropped for fresh DDL operations.");
+            createTTLIndex();
 
-        System.out.println("# CRUD operations");
+            System.out.println("Schema validation passed.");
 
-        // save a single entity in the database
-        // there is no need of creating the collection first. This happen automatically
-        Character nedStark = new Character(null, "Ned", "Stark");
-        Character saved = repository.save(nedStark);
-        System.out.println("Ned Stark saved in the database: " + saved);
+            // Set document expiration for 2 minutes from now
+            Long expiresAt = Instant.now().plus(2, ChronoUnit.MINUTES).getEpochSecond();
+            Character nedStark = new Character(null, "John", "Williams", expiresAt);
+            Character saved = repository.save(nedStark);
 
-        assertThat(saved.id()).isNotNull();
-        assertThat(saved.name()).isEqualTo(nedStark.name());
-        assertThat(saved.surname()).isEqualTo(nedStark.surname());
+            System.out.println("Saved character: " + saved);
+            System.out.println("Document expires at: " + new Date(saved.expiresAt() * 1000));
+            System.out.println("Current time: " + new Date());
+
+            assertThat(saved.id()).isNotNull();
+            assertThat(saved.name()).isEqualTo(nedStark.name());
+            assertThat(saved.surname()).isEqualTo(nedStark.surname());
+        } else {
+            System.out.println("DDL operations are disabled. Skipping schema creation.");
+            System.out.println(
+                    "You can enable DDL operations by setting 'arangodb.ddl.enabled=true' in application.properties.");
+        }
+    }
+    private void createTTLIndex() {
+        System.out.println("Creating TTL index...");
+        operations.collection(Character.class).ensureTtlIndex(
+                Collections.singletonList("expiresAt"),
+                new TtlIndexOptions().expireAfter(0));
+        System.out.println(" TTL index created on 'expiresAt'.");
     }
-}
+}
\ No newline at end of file
diff --git a/tutorial/src/main/resources/application.properties b/tutorial/src/main/resources/application.properties
new file mode 100644
index 00000000..19175dea
--- /dev/null
+++ b/tutorial/src/main/resources/application.properties
@@ -0,0 +1,3 @@
+# ArangoDB Configuration
+arangodb.ddl.enabled=false
+