Response improvements

src/main/java/com/surrealdb/Response.java

@@ -8,6 +8,8 @@ public class Response extends Native {
         super(ptr);
     }
 
+    private static native int size(long ptr);
+
     @Override
     final native boolean deleteInstance(long ptr);
 
@@ -17,6 +19,14 @@ public Value take(int num) {
         return new Value(take(getPtr(), num));
     }
 
+    public <T> T take(Class<T> type, int num) {
+        return take(num).get(type);
+    }
+
+    public int size() {
+        return size(getPtr());
+    }
+
     @Override
     final String toString(long ptr) {
         return getClass().getName() + "[ptr=" + ptr + "]";

src/main/rust/response.rs

@@ -33,3 +33,13 @@ pub extern "system" fn Java_com_surrealdb_Response_take<'local>(
     };
     create_instance(Arc::new(value), JniTypes::Value)
 }
+
+#[no_mangle]
+pub extern "system" fn Java_com_surrealdb_Response_size<'local>(
+    mut env: JNIEnv<'local>,
+    _class: JClass<'local>,
+    ptr: jlong,
+) -> jint {
+    let response = get_response_instance!(&mut env, ptr, || 0);
+    return response.lock().num_statements() as jint;
+}

src/test/java/com/surrealdb/QueryTests.java

@@ -329,4 +329,34 @@ void queryClassValueIterator() throws SurrealException {
             }
         }
     }
+
+    @Test
+    void queryClass() throws SurrealException {
+        try (final Surreal surreal = new Surreal()) {
+            surreal.connect("memory").useNs("test_ns").useDb("test_db");
+            {
+                final String sql = "CREATE ONLY person:1 SET name = 'Tobie';";
+                final Response response = surreal.query(sql);
+                {
+                    final Person create = response.take(Person.class, 0);
+                    assertEquals(create.name, "Tobie");
+                }
+            }
+        }
+    }
+
+    @Test
+    void queryResponseSize() throws SurrealException {
+        try (final Surreal surreal = new Surreal()) {
+            surreal.connect("memory").useNs("test_ns").useDb("test_db");
+            {
+                final String sql = "RETURN 'one'; RETURN 'two'; RETURN 'three'";
+                final Response response = surreal.query(sql);
+                {
+                    final int size = response.size();
+                    assertEquals(size, 3);
+                }
+            }
+        }
+    }
 }