git.gumartinm.name Git - JavaForFun/blob

   1 package de.spring.webservices.rest.business.service.impl;
   2
   3 import java.io.IOException;
   4
   5 import javax.inject.Inject;
   6
   7 import org.slf4j.Logger;
   8 import org.slf4j.LoggerFactory;
   9 import org.springframework.data.domain.Page;
  10 import org.springframework.data.domain.Pageable;
  11 import org.springframework.stereotype.Service;
  12
  13 import de.spring.webservices.domain.Car;
  14 import de.spring.webservices.rest.business.service.AwesomeBusinessLogic;
  15 import de.spring.webservices.rest.business.service.RxJavaBusinessLogic;
  16 import rx.Observable;
  17 import rx.exceptions.Exceptions;
  18
  19
  20 @Service("rxJavaBusinessLogic")
  21 public class RxJavaBusinessLogicImpl implements RxJavaBusinessLogic {
  22         private static final Logger LOGGER = LoggerFactory.getLogger(RxJavaBusinessLogicImpl.class);
  23
  24     private final AwesomeBusinessLogic awesomeBusinessLogic;
  25
  26     @Inject
  27         public RxJavaBusinessLogicImpl(AwesomeBusinessLogic awesomeBusinessLogic) {
  28                 this.awesomeBusinessLogic = awesomeBusinessLogic;
  29         }
  30
  31         @Override
  32         public Observable<Page<Car>> findAll(Pageable pageRequest) {
  33         return Observable.create(observer -> observer.onNext( awesomeBusinessLogic.findAll(pageRequest)));
  34
  35         }
  36
  37         @Override
  38         public Observable<Car> findById(long id) {
  39         return Observable.create(observer -> observer.onNext( awesomeBusinessLogic.findById(id)));
  40         }
  41
  42         @Override
  43         public Observable<Car> create(Car car) {
  44                 return Observable.create(observer -> observer.onNext(awesomeBusinessLogic.create(car)));
  45         }
  46
  47         @Override
  48         public Observable<Car> createThrowable(Car car) {
  49                 return Observable.create(observer -> {
  50
  51                                 try {
  52                                         observer.onNext(awesomeBusinessLogic.createThrowable(car));
  53                                 } catch (IOException ex) {
  54                                         // I could use this implementation. Instead, I will wrap my exception because
  55                                         // that is what you would be doing if you were using any other method from RxJava (like map() for example)
  56                                         // observer.onError(ex);
  57
  58                                         LOGGER.error("createThrowable error: ", ex);
  59
  60                                         Exceptions.propagate(ex);
  61                                 }
  62
  63                 });
  64         }
  65 }