From 0cd0ec4b0378f927d5cc3e242fb01a29b644a05f Mon Sep 17 00:00:00 2001
From: mykola2312 <49044616+mykola2312@users.noreply.github.com>
Date: Fri, 19 Apr 2024 09:22:25 +0300
Subject: [PATCH] have some fun with jooq

---
 pom.xml                                     |  6 ++++++
 src/main/java/com/mykola2312/mptv/Main.java | 24 +++++++++++++++------
 src/main/java/com/mykola2312/mptv/Test.java | 11 ++++++++++
 3 files changed, 35 insertions(+), 6 deletions(-)
 create mode 100644 src/main/java/com/mykola2312/mptv/Test.java

diff --git a/pom.xml b/pom.xml
index 21c5a82..3f17863 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,6 +60,12 @@
             <version>3.19.7</version>
         </dependency>
 
+        <dependency>
+            <groupId>jakarta.persistence</groupId>
+            <artifactId>jakarta.persistence-api</artifactId>
+            <version>3.2.0-M2</version>
+        </dependency>
+
         <!-- Logging -->
         <dependency>
             <groupId>log4j</groupId>
diff --git a/src/main/java/com/mykola2312/mptv/Main.java b/src/main/java/com/mykola2312/mptv/Main.java
index 401893e..caa5d7c 100644
--- a/src/main/java/com/mykola2312/mptv/Main.java
+++ b/src/main/java/com/mykola2312/mptv/Main.java
@@ -6,12 +6,14 @@ import com.mykola2312.mptv.ui.MainFrame;
 import org.apache.commons.cli.*;
 import org.apache.log4j.Logger;
 import org.flywaydb.core.Flyway;
+import org.checkerframework.checker.nullness.qual.*;
+
 import static com.mykola2312.mptv.tables.Test.*;
 import org.jooq.*;
-import org.jooq.Record;
 import org.jooq.impl.*;
 
 import java.io.IOException;
+import java.util.List;
 
 public class Main {
     private static final Logger logger = Logger.getLogger(Main.class);
@@ -70,13 +72,23 @@ public class Main {
         flyway.migrate();
 
         DSLContext create = DSL.using(DB.CONFIG);
-        Result<Record> result = create.select().from(TEST).fetch();
-        for (Record r : result) {
-            Integer id = r.getValue(TEST.ID);
-            String value = r.getValue(TEST.VALUE);
-            System.out.printf("%d: %s\n", id, value);
+        @NonNull List<Test> result = create
+            .select()
+            .from(TEST)
+            .fetchInto(Test.class);
+        for (Test t : result) {
+            System.out.printf("%d: %s\n", t.id, t.value);
         }
 
+        create = DSL.using(DB.CONFIG);
+        Test test = create
+            .select()
+            .from(TEST)
+            .limit(1)
+            .fetchOne()
+            .into(Test.class);
+        System.out.printf("fetchOne -> %d: %s\n", test.id, test.value);
+
         logger.info("mptv started");
     }
 }
diff --git a/src/main/java/com/mykola2312/mptv/Test.java b/src/main/java/com/mykola2312/mptv/Test.java
new file mode 100644
index 0000000..e5bb4e7
--- /dev/null
+++ b/src/main/java/com/mykola2312/mptv/Test.java
@@ -0,0 +1,11 @@
+package com.mykola2312.mptv;
+
+import jakarta.persistence.*;
+
+public class Test {
+    @Column(name = "ID")
+    public int id;
+
+    @Column(name = "VALUE")
+    public String value;
+}
\ No newline at end of file