Add ApplicationConfiguration.java

Author: JcoderPaul

Spring_part_7/src/main/java/spring/oldboy/config/ApplicationConfiguration.java

@@ -0,0 +1,32 @@
+package spring.oldboy.config;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.*;
+import spring.oldboy.pool.ConnectionPool;
+import spring.oldboy.repository.UserRepository;
+
+@Configuration
+public class ApplicationConfiguration {
+
+    @Bean("pool2")
+    @Scope(BeanDefinition.SCOPE_SINGLETON)
+    public ConnectionPool pool2(@Value("${db.username}") String username) {
+        return new ConnectionPool(username, 20);
+    }
+
+    @Bean
+    public ConnectionPool pool3() {
+        return new ConnectionPool("test-pool", 25);
+    }
+
+    @Bean
+    public UserRepository userRepository2(ConnectionPool pool2) {
+        return new UserRepository(pool2);
+    }
+
+    @Bean
+    public UserRepository userRepository3() {
+        return new UserRepository(pool3());
+    }
+}