org.hbrs.nosql.mongoweb.gui.views.UseCase4.java Source code

Introduction

Here is the source code for org.hbrs.nosql.mongoweb.gui.views.UseCase4.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package org.hbrs.nosql.mongoweb.gui.views;

import com.vaadin.ui.Button;
import com.vaadin.ui.Label;
import com.vaadin.ui.TextField;
import com.vaadin.ui.VerticalLayout;

import java.time.Duration;
import java.time.LocalTime;
import java.util.List;

import org.hbrs.nosql.mongoweb.db.MongoDBConnector;
import org.hbrs.nosql.mongoweb.model.UseCase;

/**
 * @author Franz
 */
public class UseCase4 extends AbstractUseCase {
    @Override
    protected void setUp() {
        //Add your Vaadin Coding here ;)
        //MongoDB Connector
        MongoDBConnector mongo = new MongoDBConnector();

        VerticalLayout uc4 = new VerticalLayout();

        TextField uc4input = new TextField();

        uc4input.setCaption("Geben Sie das Semester ein fr das Sie die Anzahl der Abschlsse wollen!");

        Button button = new Button("Suche");

        button.addClickListener(e -> {
            uc4.removeAllComponents();

            LocalTime t1 = LocalTime.now();

            // load list with values
            int uc4Answer = mongo.getQuery4(uc4input.getValue());

            LocalTime t2 = LocalTime.now();
            Duration elapsed = Duration.between(t1, t2);

            String uc4Answ = uc4Answer + "";
            uc4.addComponent(new Label(uc4Answ));

            uc4.addComponent(new Label("Time: " + elapsed));

            addComponent(uc4);
        });
        addComponents(uc4input, button);
        setMargin(true);
        setSpacing(true);
    }

    @Override
    protected UseCase getUseCase() {
        return (UseCase.UC4);
    }
}