Device Prototype

DevicePrototypeTest.java

package com.evo.adm;

import com.evo.adm.service.server.DeviceTypeSpecification;
import com.google.code.twig.annotation.Embedded;
import org.junit.Test;

import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Miroslav Genov (mgenov@gmail.com)
 */
public class DevicePrototypeTest {

  public enum DeviceType {
    ONU, STB
  }

  static class ProvidedService {

    @Embedded
    private List<DeviceDetails> deviceDetails;

    public void addDeviceTypeFromSpecification(DeviceTypeSpecification specification) {
      if (deviceDetails == null) {
        deviceDetails = new ArrayList<DeviceDetails>();
      }

      Integer nextNumber = deviceDetails.size() + 1;
      deviceDetails.add(DeviceDetails.from(specification, nextNumber));
    }

    public Rent getRent(DeviceType deviceType) {
      for (DeviceDetails detail : deviceDetails) {
        if (detail.deviceType.equals(deviceType)) {
          return detail.rent;
        }
      }
      throw new IllegalStateException("Rent was not found for the provided type:" + deviceType);
    }
  }




  public static class DeviceDetails {

    public static DeviceDetails from(DeviceTypeSpecification deviceTypeSpecification, Integer number) {
      return new DeviceDetails(DeviceType.ONU, 0);
    }


    private DeviceType deviceType;
    private Integer number;
    private Rent rent;

    public static DeviceDetails onu() {
      return new DeviceDetails(DeviceType.ONU,0);
    }

    public static DeviceDetails onu(Integer number) {
      return new DeviceDetails(DeviceType.ONU,number);
    }

    public static DeviceDetails stb() {
      return new DeviceDetails(DeviceType.STB,0);
    }

    private DeviceDetails(DeviceType deviceType, Integer number) {
      this.deviceType = deviceType;
      this.number = number;
    }

    DeviceDetails() {
    }
  }

  class Rent {
    private Double amount;

    Rent(Double amount) {
      this.amount = amount;
    }
  }


  public class ServiceManager {

    public Rent getServiceRent(ProvidedService service, DeviceType type) {

      // retrieve service from datastore

      // get type of that service

      // return rent for that service
      return new Rent(0d);
    }
  }


  @Test
  public void addDeviceFromSpecification() {

    ProvidedService service = new ProvidedService();

    service.addDeviceTypeFromSpecification(new DeviceTypeSpecification());
  }

}