Refactor ShardingSphereAlgorithmFactoryBean constructor's sequence

shardingsphere-jdbc/shardingsphere-jdbc-spring/shardingsphere-jdbc-spring-infra/shardingsphere-jdbc-spring-namespace-infra/src/main/java/org/apache/shardingsphere/spring/namespace/parser/ShardingSphereAlgorithmBeanDefinitionParser.java

@@ -35,7 +35,7 @@ import java.util.Properties;
 @RequiredArgsConstructor
 public final class ShardingSphereAlgorithmBeanDefinitionParser extends AbstractBeanDefinitionParser {
     
-    private final Class<? extends ShardingSphereAlgorithmFactoryBean> beanClass;
+    private final Class<? extends ShardingSphereAlgorithmFactoryBean<?>> beanClass;
     
     @Override
     protected AbstractBeanDefinition parseInternal(final Element element, final ParserContext parserContext) {

shardingsphere-jdbc/shardingsphere-jdbc-spring/shardingsphere-jdbc-spring-infra/shardingsphere-jdbc-spring-namespace-infra/src/test/java/org/apache/shardingsphere/spring/namespace/factorybean/ShardingSphereAlgorithmFactoryBeanTest.java

@@ -28,6 +28,7 @@ import java.util.Properties;
 
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertThat;
+import static org.junit.Assert.assertTrue;
 
 public final class ShardingSphereAlgorithmFactoryBeanTest {
     
@@ -44,4 +45,9 @@ public final class ShardingSphereAlgorithmFactoryBeanTest {
         ShardingSphereAlgorithmFixtureImpl actual = (ShardingSphereAlgorithmFixtureImpl) factoryBean.getObject();
         assertThat(actual.getValue(), is("foo"));
     }
+    
+    @Test
+    public void assertIsSingleton() {
+        assertTrue(new ShardingSphereAlgorithmFactoryBeanFixture(ShardingSphereAlgorithmFixture.class, "FIXTURE", new Properties()).isSingleton());
+    }
 }