首页 \ 问答 \ 这是Crudy反模式吗？(Is this the Crudy anti pattern?)

这是Crudy反模式吗？(Is this the Crudy anti pattern?)

 目前我正在创建一个WCF服务，它必须连接到DAL，它只使用ADO.net和存储过程连接到数据库。 
 

 DAl将其数据库的响应写入数据传输，数据传输通过服务传递到客户端。 
 

 我读到这可能是反模式'CRudy接口'，但我不确定，因为我正在分享数据合同。 
 

 如果我使用反模式，任何人都可以建议一个更好的模式用于我需要的行为吗？ 

Currently I am creating a WCF service which has to connect to a DAL which, just connects to a database using ADO.net and stored procedures.
 

The DAl writes its responses from the database to a datacontract which is passed over the wire to the client via the service.
 

I was reading that this may possibly be the anti pattern 'CRudy Interface', but I wasn't sure as I am sharing the datacontract.
 

If I am using an anti pattern, can anyone suggest a better pattern to use for the behavior I require?

原文：https://stackoverflow.com/questions/2452860
更新时间：2022-01-08 09:01

最满意答案

 这是一个你可以玩的应用程序来弄清楚你做错了什么。 
 

 
 
 主要： 
 

 

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

/**
 *
 * @author blj0011
 */
public class CollisionDection extends Application {

    @Override
    public void start(Stage stage) throws Exception {
        Parent root = FXMLLoader.load(getClass().getResource("FXMLDocument.fxml"));

        Scene scene = new Scene(root);

        stage.setScene(scene);
        stage.show();
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

}

 

 
 
 控制器： 
 

 

import java.net.URL;
import java.util.ResourceBundle;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.geometry.Point2D;
import javafx.scene.control.Label;
import javafx.scene.input.MouseEvent;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Polygon;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.Shape;

/**
 *
 * @author sedj601
 */
public class FXMLDocumentController implements Initializable {

    @FXML private Label lblMain;
    @FXML private Polygon polyOne, polyTwo;    
    @FXML private Circle circle1;
    @FXML private Rectangle rectangle1;

    final ObjectProperty<Point2D> mousePosition = new SimpleObjectProperty<>();

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
        polyOne.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        polyOne.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            polyOne.setLayoutX(polyOne.getLayoutX()+deltaX);
            polyOne.setLayoutY(polyOne.getLayoutY()+deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(polyOne, polyTwo);

            if(intersect.getBoundsInLocal().getWidth() != -1)
            {
                System.out.println("This object can overlap other the other object!");
                lblMain.setText("Collision detected!");
            }
            else
            {
                intersect.getBoundsInLocal().getWidth();
                lblMain.setText("Collision not detected!");
            }            
        });

        polyTwo.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        polyTwo.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            polyTwo.setLayoutX(polyTwo.getLayoutX() + deltaX);
            polyTwo.setLayoutY(polyTwo.getLayoutY() + deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(polyOne, polyTwo);
            {
                if(intersect.getBoundsInLocal().getWidth() != -1)
                {      
                    System.out.println("This object can not overlap other the other object!");
                    polyTwo.setLayoutX(polyTwo.getLayoutX() - deltaX);
                    polyTwo.setLayoutY(polyTwo.getLayoutY() - deltaY);
                    lblMain.setText("Collision detected!");
                }
                else
                {
                    lblMain.setText("Collision not detected!");
                }
            }
        });   

        circle1.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        circle1.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            circle1.setLayoutX(circle1.getLayoutX() + deltaX);
            circle1.setLayoutY(circle1.getLayoutY() + deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(rectangle1, circle1);
            {
                if(intersect.getBoundsInLocal().getWidth() != -1)
                {      
                    System.out.println("This object can not overlap other the other object!");
                    circle1.setLayoutX(circle1.getLayoutX() - deltaX);
                    circle1.setLayoutY(circle1.getLayoutY() - deltaY);
                    lblMain.setText("Collision detected!");
                }
                else
                {
                    lblMain.setText("Collision not detected!");
                }
            }
        });   


        rectangle1.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        rectangle1.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            rectangle1.setLayoutX(rectangle1.getLayoutX() + deltaX);
            rectangle1.setLayoutY(rectangle1.getLayoutY() + deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(circle1, rectangle1);
            {
                if(intersect.getBoundsInLocal().getWidth() != -1)
                {      
                    System.out.println("This object can not overlap other the other object!");
                    rectangle1.setLayoutX(rectangle1.getLayoutX() - deltaX);
                    rectangle1.setLayoutY(rectangle1.getLayoutY() - deltaY);
                    lblMain.setText("Collision detected!");
                }
                else
                {
                    lblMain.setText("Collision not detected!");
                }
            }
        });   
    }
}

 

 
 
 FXML： 
 

 

<AnchorPane id="AnchorPane" fx:id="apMain" prefHeight="446.0" prefWidth="577.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="collisiondection.FXMLDocumentController">
    <children>
        <Label fx:id="lblMain" layoutX="254.0" layoutY="408.0" minHeight="16" minWidth="69" />
      <Polygon fx:id="polyOne" fill="DODGERBLUE" layoutX="122.0" layoutY="166.0" stroke="BLACK" strokeType="INSIDE">
        <points>
          <Double fx:value="-50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="0.0" />
          <Double fx:value="-60.0" />
        </points>
      </Polygon>
      <Polygon fx:id="polyTwo" fill="DODGERBLUE" layoutX="419.0" layoutY="166.0" stroke="BLACK" strokeType="INSIDE">
        <points>
          <Double fx:value="-50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="0.0" />
          <Double fx:value="-60.0" />
        </points>
      </Polygon>
      <Circle fx:id="circle1" fill="DODGERBLUE" layoutX="113.0" layoutY="372.0" radius="42.0" stroke="BLACK" strokeType="INSIDE" />
      <Rectangle fx:id="rectangle1" arcHeight="5.0" arcWidth="5.0" fill="DODGERBLUE" height="100.0" layoutX="379.0" layoutY="314.0" stroke="BLACK" strokeType="INSIDE" width="113.0" />
    </children>
</AnchorPane>


Here is an app you can play with to figure out what you did wrong. 
 

 
 
Main:
 

 

import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;

/**
 *
 * @author blj0011
 */
public class CollisionDection extends Application {

    @Override
    public void start(Stage stage) throws Exception {
        Parent root = FXMLLoader.load(getClass().getResource("FXMLDocument.fxml"));

        Scene scene = new Scene(root);

        stage.setScene(scene);
        stage.show();
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        launch(args);
    }

}

 

 
 
Controller:
 

 

import java.net.URL;
import java.util.ResourceBundle;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.geometry.Point2D;
import javafx.scene.control.Label;
import javafx.scene.input.MouseEvent;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Polygon;
import javafx.scene.shape.Rectangle;
import javafx.scene.shape.Shape;

/**
 *
 * @author sedj601
 */
public class FXMLDocumentController implements Initializable {

    @FXML private Label lblMain;
    @FXML private Polygon polyOne, polyTwo;    
    @FXML private Circle circle1;
    @FXML private Rectangle rectangle1;

    final ObjectProperty<Point2D> mousePosition = new SimpleObjectProperty<>();

    @Override
    public void initialize(URL url, ResourceBundle rb) {
        // TODO
        polyOne.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        polyOne.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            polyOne.setLayoutX(polyOne.getLayoutX()+deltaX);
            polyOne.setLayoutY(polyOne.getLayoutY()+deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(polyOne, polyTwo);

            if(intersect.getBoundsInLocal().getWidth() != -1)
            {
                System.out.println("This object can overlap other the other object!");
                lblMain.setText("Collision detected!");
            }
            else
            {
                intersect.getBoundsInLocal().getWidth();
                lblMain.setText("Collision not detected!");
            }            
        });

        polyTwo.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        polyTwo.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            polyTwo.setLayoutX(polyTwo.getLayoutX() + deltaX);
            polyTwo.setLayoutY(polyTwo.getLayoutY() + deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(polyOne, polyTwo);
            {
                if(intersect.getBoundsInLocal().getWidth() != -1)
                {      
                    System.out.println("This object can not overlap other the other object!");
                    polyTwo.setLayoutX(polyTwo.getLayoutX() - deltaX);
                    polyTwo.setLayoutY(polyTwo.getLayoutY() - deltaY);
                    lblMain.setText("Collision detected!");
                }
                else
                {
                    lblMain.setText("Collision not detected!");
                }
            }
        });   

        circle1.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        circle1.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            circle1.setLayoutX(circle1.getLayoutX() + deltaX);
            circle1.setLayoutY(circle1.getLayoutY() + deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(rectangle1, circle1);
            {
                if(intersect.getBoundsInLocal().getWidth() != -1)
                {      
                    System.out.println("This object can not overlap other the other object!");
                    circle1.setLayoutX(circle1.getLayoutX() - deltaX);
                    circle1.setLayoutY(circle1.getLayoutY() - deltaY);
                    lblMain.setText("Collision detected!");
                }
                else
                {
                    lblMain.setText("Collision not detected!");
                }
            }
        });   


        rectangle1.setOnMousePressed((MouseEvent event) -> {
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));
        });

        rectangle1.setOnMouseDragged((MouseEvent event) -> {
            double deltaX = event.getSceneX() - mousePosition.get().getX();
            double deltaY = event.getSceneY() - mousePosition.get().getY();
            rectangle1.setLayoutX(rectangle1.getLayoutX() + deltaX);
            rectangle1.setLayoutY(rectangle1.getLayoutY() + deltaY);
            mousePosition.set(new Point2D(event.getSceneX(), event.getSceneY()));

            Shape intersect = Shape.intersect(circle1, rectangle1);
            {
                if(intersect.getBoundsInLocal().getWidth() != -1)
                {      
                    System.out.println("This object can not overlap other the other object!");
                    rectangle1.setLayoutX(rectangle1.getLayoutX() - deltaX);
                    rectangle1.setLayoutY(rectangle1.getLayoutY() - deltaY);
                    lblMain.setText("Collision detected!");
                }
                else
                {
                    lblMain.setText("Collision not detected!");
                }
            }
        });   
    }
}

 

 
 
FXML:
 

 

<AnchorPane id="AnchorPane" fx:id="apMain" prefHeight="446.0" prefWidth="577.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="collisiondection.FXMLDocumentController">
    <children>
        <Label fx:id="lblMain" layoutX="254.0" layoutY="408.0" minHeight="16" minWidth="69" />
      <Polygon fx:id="polyOne" fill="DODGERBLUE" layoutX="122.0" layoutY="166.0" stroke="BLACK" strokeType="INSIDE">
        <points>
          <Double fx:value="-50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="0.0" />
          <Double fx:value="-60.0" />
        </points>
      </Polygon>
      <Polygon fx:id="polyTwo" fill="DODGERBLUE" layoutX="419.0" layoutY="166.0" stroke="BLACK" strokeType="INSIDE">
        <points>
          <Double fx:value="-50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="50.0" />
          <Double fx:value="40.0" />
          <Double fx:value="0.0" />
          <Double fx:value="-60.0" />
        </points>
      </Polygon>
      <Circle fx:id="circle1" fill="DODGERBLUE" layoutX="113.0" layoutY="372.0" radius="42.0" stroke="BLACK" strokeType="INSIDE" />
      <Rectangle fx:id="rectangle1" arcHeight="5.0" arcWidth="5.0" fill="DODGERBLUE" height="100.0" layoutX="379.0" layoutY="314.0" stroke="BLACK" strokeType="INSIDE" width="113.0" />
    </children>
</AnchorPane>

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