added foreign keys

src/test/java/jef/model/DbContextSimpleTest.java

@@ -0,0 +1,52 @@
+package jef.model;
+
+import jef.DbSet;
+import jef.model.annotations.Clazz;
+import jef.model.annotations.Id;
+import jef.serializable.SerializableObject;
+import lombok.Getter;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class DbContextSimpleTest {
+    @Test
+    public void test() {
+        var mb = ModelBuilder.from(Ctx.class);
+        assertEquals(1, mb.getEntities().size());
+        assertEquals(TestClass.class.getSimpleName(), mb.getEntity(TestClass.class).getName());
+
+        assertEquals(5, mb.getEntity(TestClass.class).getFields().size());
+        assertEquals(1, mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("i")).count());
+        assertEquals(1, mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("d")).count());
+        assertEquals(1, mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("f")).count());
+        assertEquals(1, mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("l")).count());
+        assertEquals(1, mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("o")).count());
+
+        //intrinsic non null
+        assertEquals(5, mb.getEntity(TestClass.class).getFields().size());
+        assertTrue(mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("i")).findFirst().get().isNotNull());
+        assertTrue(mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("d")).findFirst().get().isNotNull());
+        assertTrue(mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("f")).findFirst().get().isNotNull());
+        assertTrue(mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("l")).findFirst().get().isNotNull());
+        assertFalse(mb.getEntity(TestClass.class).getFields().stream().filter(e -> e.getName().equals("o")).findFirst().get().isNotNull());
+    }
+
+    public static class Ctx extends DbContext {
+
+        @Clazz(clazz = TestClass.class)
+        private DbSet<TestClass> objects1;
+    }
+
+    @Getter
+    public static class TestClass extends SerializableObject {
+        @Id
+        public int i = 1;
+        public Object o = new Object();
+        public double d;
+        public float f;
+        public long l;
+    }
+}