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Added CRUD operations for Studio

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This commit is contained in:
Barbara 2019-12-10 16:05:56 +01:00
parent 3bd40b6280
commit e54eaf6ee3
3 changed files with 90 additions and 31 deletions
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19
MoviesWebApp/src/main/java/at/technikumwien/movies/MoviesService.java
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@ -70,24 +70,6 @@ public class MoviesService {
.getResultList();
}
public List<Studio> findAllStudios() {
LOGGER.info("findAllStudios)");
return em.createNamedQuery("Studios.selectAllStudios", Studio.class)
.getResultList();
}
public Studio findStudioById(long id) {
LOGGER.info("findStudioById() >> id=" + id);
Studio studio = em.find(Studio.class, id);
if (studio == null) {
throw new EntityNotFoundException("can't find studio with id=" + id);
}
return studio;
}
// TODO maybe check if the movie already exists?
@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public List<Movie> save(List<Movie> movies) {
@ -141,6 +123,7 @@ public class MoviesService {
List<Movie> addedMovies = new ArrayList<>();
// TODO: Add Rollback if error while looping!
LOGGER.info("save() >> movies" + movies);
for (Movie movieToImport : movies) {
addedMovies.add(em.merge(movieToImport));

26
MoviesWebApp/src/main/java/at/technikumwien/movies/StudioResource.java
View File

@ -14,7 +14,7 @@ import java.util.List;
@RolesAllowed("MoviesUserRole")
public class StudioResource {
@Inject
private MoviesService moviesService;
private StudiosService studiosService;
@Context
private UriInfo uriInfo;
@ -25,7 +25,7 @@ public class StudioResource {
MediaType.APPLICATION_XML
})
public List<Studio> retrieveAll() {
return moviesService.findAllStudios();
return studiosService.findAllStudios();
}
@GET
@ -35,13 +35,13 @@ public class StudioResource {
})
@Path("/{id}")
public Studio retrieve(@PathParam("id") long id) {
return moviesService.findStudioById(id);
return studiosService.findStudioById(id);
}
/*
@DELETE
@Path("/{id}")
public void delete(@PathParam("id") long id) {
moviesService.removeStudioById(id);
studiosService.removeStudioById(id);
}
@POST
@ -49,11 +49,11 @@ public class StudioResource {
MediaType.APPLICATION_JSON,
MediaType.APPLICATION_XML
})
public Response create(Movie movie) {
movie.setId(null); // Make sure that a new movie is added, not overwriting existing one
List<Movie> newMovies = moviesService.save(List.of(movie));
public Response create(Studio studio) {
studio.setId(null); // Make sure that a new studio is added, not overwriting existing one
List<Studio> newStudios = studiosService.saveStudio(List.of(studio));
URI location = uriInfo.getAbsolutePathBuilder().path(newMovies.get(0).getId().toString()).build();
URI location = uriInfo.getAbsolutePathBuilder().path(newStudios.get(0).getId().toString()).build();
return Response.created(location).build();
}
@ -64,8 +64,8 @@ public class StudioResource {
MediaType.APPLICATION_XML
})
@Path("/{id}")
public void update(@PathParam("id") long id, Movie movie) {
movie.setId(id); // Make sure that a new movie is added, not overwriting existing one
moviesService.save(List.of(movie));
}*/
public void update(@PathParam("id") long id, Studio studio) {
studio.setId(id); // Make sure that a new studio is added, not overwriting existing one
studiosService.saveStudio(List.of(studio));
}
}

76
MoviesWebApp/src/main/java/at/technikumwien/movies/StudiosService.java Normal file
View File

@ -0,0 +1,76 @@
package at.technikumwien.movies;
import javax.annotation.Resource;
import javax.annotation.security.RolesAllowed;
import javax.ejb.*;
import javax.inject.Inject;
import javax.persistence.EntityManager;
import javax.persistence.EntityNotFoundException;
import javax.persistence.PersistenceContext;
import javax.security.enterprise.SecurityContext;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Logger;
@Stateless
@TransactionManagement(value=TransactionManagementType.CONTAINER)
@RolesAllowed("MoviesUserRole")
public class StudiosService {
private static final Logger LOGGER = Logger.getLogger(StudiosService.class.getName());
@Resource
private SessionContext context;
@PersistenceContext(unitName = "MoviesPU")
private EntityManager em;
@Inject
private SecurityContext securityContext;
public Studio findStudioById(long id) {
LOGGER.info("findStudioById() >> id=" + id);
Studio studio = em.find(Studio.class, id);
if (studio == null) {
throw new EntityNotFoundException("can't find studio with id=" + id);
}
return studio;
}
public List<Studio> findAllStudios() {
LOGGER.info("findAllStudios)");
return em.createNamedQuery("Studios.selectAllStudios", Studio.class)
.getResultList();
}
public void removeStudioById(long id) {
LOGGER.info("removeStudioById() >> id=" + id);
Studio studio = findStudioById(id);
em.remove(studio);
}
// TODO maybe check if the studio already exists?
@TransactionAttribute(TransactionAttributeType.REQUIRES_NEW)
public List<Studio> saveStudio(List<Studio> studios) {
try {
List<Studio> addedStudios = new ArrayList<>();
LOGGER.info("save() >> studios" + studios);
for (Studio studioToImport : studios) {
addedStudios.add(em.merge(studioToImport));
}
return addedStudios;
} catch (Exception e) {
LOGGER.info("Rollback when adding studio!");
context.setRollbackOnly();
e.printStackTrace();
}
return null;
}
}