Example usage for org.hibernate Session get

List of usage examples for org.hibernate Session get

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Introduction

In this page you can find the example usage for org.hibernate Session get.

Prototype

Object get(String entityName, Serializable id);

Source Link

Document

Return the persistent instance of the given named entity with the given identifier, or null if there is no such persistent instance.

Usage

From source file:br.unisal.dao.GenericDao.java

public <T> T getById(Class<T> type, Long id) {
    Session session = HibernateUtil.getInstance().getSessionFactory().openSession();
    Transaction tx = session.beginTransaction();
    T entity = null;//from w  w  w .ja v a2s. c  o  m
    try {
        tx.begin();
        entity = (T) session.get(type, id);
        tx.commit();
    } catch (HibernateException e) {
        tx.rollback();
        throw new RuntimeException(e);
    } finally {
        session.close();
    }
    return entity;
}

From source file:by.andrew.pakhomov.testtask.web.controller.ProjectController.java

@RequestMapping(path = "/{id}", method = RequestMethod.GET)
public String getProject(Model model, @PathVariable(value = "id") int id) {

    this.executeSafely(model, (Session session) -> {
        Project project = (Project) session.get(Project.class, id);
        model.addAttribute("project", project);
        return true;
    });/*from   w ww .  j a  va 2s .  com*/

    return "project";
}

From source file:by.andrew.pakhomov.testtask.web.controller.ProjectController.java

@RequestMapping(path = "/{id}/tasks/new", method = RequestMethod.POST)
public String addTaskToProject(@RequestParam String title, @RequestParam String responsible,
        @PathVariable("id") int projectId, RedirectAttributes redirectAttrs) {
    final String taskTitle = title.trim();
    final String taskResponsible = responsible.trim();
    List<String> errors = new ArrayList<>(2);
    if (title.isEmpty()) {
        errors.add("  \"? \"");
    }//from   w w  w.j  a va2s. c om
    if (responsible.isEmpty()) {
        errors.add("  \"?\"");
    }
    if (!errors.isEmpty()) {
        this.addFormErrors(redirectAttrs, errors.toArray(new String[errors.size()]));
        redirectAttrs.addFlashAttribute("title", title);
        redirectAttrs.addFlashAttribute("responsible", responsible);
        return "redirect:/projects/" + projectId;
    }

    boolean success = this.executeSafely(redirectAttrs, (Session session) -> {
        Project project = (Project) session.get(Project.class, projectId);
        if (project == null) {
            throw new ResourceNotFoundException();
        }
        Task task = project.addTask(taskTitle, taskResponsible);
        session.saveOrUpdate(project);
        this.addInfoMessage(redirectAttrs,
                " " + task.getTitle() + "\" ? ?");
        return true;
    });

    if (!success) {
        redirectAttrs.addFlashAttribute("title", title);
        redirectAttrs.addFlashAttribute("responsible", responsible);
    }

    return "redirect:/projects/" + projectId;
}

From source file:by.andrew.pakhomov.testtask.web.controller.TaskController.java

@RequestMapping("/{id}")
public String getTask(@PathVariable("id") int id, Model model) {
    this.executeSafely(model, (Session session) -> {
        Task task = (Task) session.get(Task.class, id);
        if (task == null) {
            throw new ResourceNotFoundException();
        }//from  w w w  .j ava 2 s  .  c o  m
        model.addAttribute("task", task);
        return true;
    });
    return "task";
}

From source file:by.andrew.pakhomov.testtask.web.controller.TaskController.java

@RequestMapping(path = "/{id}/add", method = RequestMethod.POST)
public String addTimeSpentRecord(@PathVariable("id") int taskId, @RequestParam("spentTime") String spentTime,
        @RequestParam("employee") String employee, @RequestParam("registrationDate") String registrationDate,
        RedirectAttributes redirectAttrs) {
    List<String> errors = new ArrayList<>(3);
    Date registrationDateTime = null;

    String[] timeParts = spentTime.split(":");
    int hh = 0;//from   w ww .  j  av a2  s .c  o  m
    int mm = 0;
    if (timeParts.length == 2) {
        try {
            hh = Integer.valueOf(timeParts[0]);
            mm = Integer.valueOf(timeParts[1]);
            if (mm > 59) {
                errors.add("  ?   :");
            }
        } catch (NumberFormatException ex) {
            errors.add("  ?   :");
        }
    } else {
        errors.add("  ?   :");
    }

    try {
        registrationDateTime = DATE_FORMAT.parse(registrationDate);
    } catch (ParseException ex) {
        errors.add(" ? ?   --");
    }
    if (employee.isEmpty()) {
        errors.add("  \"\"");
    }
    if (!errors.isEmpty()) {
        this.addFormErrors(redirectAttrs, errors.toArray(new String[errors.size()]));
        redirectAttrs.addFlashAttribute("registrationDate", registrationDate);
        redirectAttrs.addFlashAttribute("employee", employee);
        redirectAttrs.addFlashAttribute("spentTime", spentTime);
        return "redirect:/tasks/" + taskId;
    }

    final String spentTimeEmployee = employee.trim();
    final Long finalSpentTime = hh * 3600L + mm * 60;
    final Date finalRegistrationDate = registrationDateTime;

    boolean success = this.executeSafely(redirectAttrs, (Session session) -> {
        Task task = (Task) session.get(Task.class, taskId);
        if (task == null) {
            throw new ResourceNotFoundException();
        }
        SpentTimeRecord record = task.addSpentTimeRecord(finalRegistrationDate, finalSpentTime,
                spentTimeEmployee);
        session.saveOrUpdate(task);
        this.addInfoMessage(redirectAttrs,
                "?   ? ? "
                        + record.getEmployee() + "   "
                        + DATE_FORMAT.format(record.getRegistrationDate())
                        + " ?");
        return true;
    });

    if (!success) {
        redirectAttrs.addFlashAttribute("registrationDate", registrationDate);
        redirectAttrs.addFlashAttribute("employee", employee);
        redirectAttrs.addFlashAttribute("spentTime", spentTime);
    }

    return "redirect:/tasks/" + taskId;
}

From source file:by.bsuir.akkerman.mobile.server.dao.DaoUniversal.java

public boolean add(EntityHelper obj) {
    boolean isSuccessfully = false;
    SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
    Session session = sessionFactory.openSession();
    session.beginTransaction();//from   ww  w  .  j a  va2 s. c o m
    try {
        session.save(obj);
        if (obj.getParent() != null) {
            Set<EntityHelper> set = new HashSet(obj.getParent());
            for (Iterator it = set.iterator(); it.hasNext();) {
                EntityHelper parent_obj = (EntityHelper) session.get(it.next().getClass(),
                        ((EntityHelper) it.next()).getId());
                parent_obj.getChild().add(obj);
                session.update(parent_obj);
            }
        }
        isSuccessfully = true;
    } catch (HibernateException ex) {
        System.out.println(ex.getMessage());
    } finally {
        session.getTransaction().commit();
    }
    return isSuccessfully;
}

From source file:by.bsuir.akkerman.mobile.server.dao.DaoUniversal.java

public boolean delete(EntityHelper obj) {
    boolean isSuccessfully = false;
    SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
    Session session = sessionFactory.openSession();
    session.beginTransaction();//w  w w .jav a2  s . com
    try {
        obj = (EntityHelper) session.get(obj.getClass(), obj.getId());
        session.delete(obj);
        if (!obj.getParent().isEmpty()) {
            Set<EntityHelper> set = new HashSet(obj.getParent());
            for (Iterator it = set.iterator(); it.hasNext();) {
                EntityHelper parent_obj = (EntityHelper) session.get(it.next().getClass(),
                        ((EntityHelper) it.next()).getId());
                parent_obj.getChild().add(obj);
                session.update(parent_obj);
            }
        }
        if (obj.getParent() != null) {
            Set<EntityHelper> set = new HashSet(obj.getParent());
            for (Iterator it = set.iterator(); it.hasNext();) {
                String[] lines = it.next().getClass().getName().split("_");
                EntityHelper parent_obj = (EntityHelper) session.get(lines[0],
                        ((EntityHelper) it.next()).getId());
                parent_obj.getChild().remove(obj);
                session.update(parent_obj);
            }

        }
        isSuccessfully = true;
    } catch (HibernateException ex) {
        System.out.println(ex.getMessage());
    } finally {
        session.getTransaction().commit();
        session.close();
    }
    return isSuccessfully;
}

From source file:ca.mcgill.cs.swevo.qualyzer.model.Facade.java

License:Open Source License

/**
 * Try to delete a participant./*from  w ww.j ava 2s.  co  m*/
 * 
 * @param participant
 */
public void deleteParticipant(Participant participant) {
    Object project = null;
    HibernateDBManager manager = QualyzerActivator.getDefault().getHibernateDBManagers()
            .get(participant.getProject().getFolderName());
    Session session = null;
    Transaction t = null;

    try {
        session = manager.openSession();
        t = session.beginTransaction();

        /*
         * The following is ALL required in order to delete the object from the database. Don't ask me why, I don't
         * really understand it myself -JF.
         */
        project = session.get(Project.class, participant.getProject().getPersistenceId());
        Object part = session.get(Participant.class, participant.getPersistenceId());

        ((Project) project).getParticipants().remove(part);

        session.delete(part);
        session.saveOrUpdate(project);
        session.flush();
        t.commit();

        fListenerManager.notifyParticipantListeners(ChangeType.DELETE, new Participant[] { participant }, this);
    } catch (HibernateException e) {
        HibernateUtil.quietRollback(t);
        String key = "model.Facade.Participant.cannotDelete"; //$NON-NLS-1$
        String errorMessage = Messages.getString(key);
        fLogger.error(key, e);
        throw new QualyzerException(errorMessage, e);
    } finally {
        HibernateUtil.quietClose(session);
    }
}

From source file:ca.mcgill.cs.swevo.qualyzer.model.Facade.java

License:Open Source License

/**
 * Try to delete the investigator./*ww w  . j  a  v a 2 s.  c o m*/
 * 
 * @param investigator
 */
public void deleteInvestigator(Investigator investigator) {
    Object project = null;
    HibernateDBManager manager = QualyzerActivator.getDefault().getHibernateDBManagers()
            .get(investigator.getProject().getFolderName());
    Session session = null;
    Transaction t = null;
    try {
        session = manager.openSession();
        t = session.beginTransaction();

        /*
         * The following is ALL required in order to delete the object from the database. Don't ask me why, I don't
         * really understand it myself -JF.
         */
        project = session.get(Project.class, investigator.getProject().getPersistenceId());
        Object inv = session.get(Investigator.class, investigator.getPersistenceId());

        ((Project) project).getInvestigators().remove(inv);

        session.delete(inv);
        session.saveOrUpdate(project);
        session.flush();
        t.commit();
        fListenerManager.notifyInvestigatorListeners(ChangeType.DELETE, new Investigator[] { investigator },
                this);
    } catch (HibernateException e) {
        HibernateUtil.quietRollback(t);
        String key = "model.Facade.Investigator.cannotDelete"; //$NON-NLS-1$
        String errorMessage = Messages.getString(key);
        fLogger.error(key, e);
        throw new QualyzerException(errorMessage, e);
    } finally {
        HibernateUtil.quietClose(session);
    }
}

From source file:ca.mcgill.cs.swevo.qualyzer.model.Facade.java

License:Open Source License

/**
 * Try to delete the transcript.//from   www  . j a  v  a2s.c om
 * 
 * @param transcript
 */
public void deleteTranscript(Transcript transcript) {
    Object project = null;
    HibernateDBManager manager = QualyzerActivator.getDefault().getHibernateDBManagers()
            .get(transcript.getProject().getFolderName());
    Session session = null;
    Transaction t = null;
    try {
        session = manager.openSession();
        t = session.beginTransaction();

        /*
         * The following is ALL required in order to delete the object from the database. Don't ask me why, I don't
         * really understand it myself -JF.
         */
        project = session.get(Project.class, transcript.getProject().getPersistenceId());
        Transcript trans = (Transcript) session.get(Transcript.class, transcript.getPersistenceId());

        ((Project) project).getTranscripts().remove(trans);

        session.delete(trans);
        session.saveOrUpdate(project);
        session.flush();
        t.commit();
        fListenerManager.notifyTranscriptListeners(ChangeType.DELETE, new Transcript[] { transcript }, this);
    } catch (HibernateException e) {
        HibernateUtil.quietRollback(t);
        String key = "model.Facade.Transcript.cannotDelete"; //$NON-NLS-1$
        String errorMessage = Messages.getString(key);
        fLogger.error(key, e);
        throw new QualyzerException(errorMessage, e);
    } finally {
        HibernateUtil.quietClose(session);
    }
}