Example usage for javax.persistence EntityManager find

Introduction

In this page you can find the example usage for javax.persistence EntityManager find.

Prototype

public <T> T find(Class<T> entityClass, Object primaryKey);

Source Link

Document

Find by primary key.

Usage

From source file:com.sun.socialsite.business.impl.JPAPersistenceStrategy.java

/**
 * Remove object from persistence storage.
 * @param clazz the class of object to remove
 * @param id the id of the object to remove
 * @throws SocialSiteException on any error deleting object
 *///from   w  ww  .j a va 2 s  .  c  om
public void remove(Class<?> clazz, String id) throws SocialSiteException {
    EntityManager em = getEntityManager(true);
    Object po = em.find(clazz, id);
    em.remove(po);
}

From source file:com.sun.socialsite.business.impl.JPAPersistenceStrategy.java

/**
 * Remove object from persistence storage.
 * @param clazz the class of object to remove
 * @param id the id of the object to remove
 * @throws SocialSiteException on any error deleting object
 *//*from   ww  w  .  ja  v  a2s  .  c o  m*/
public void remove(Class<?> clazz, int id) throws SocialSiteException {
    EntityManager em = getEntityManager(true);
    Object po = em.find(clazz, id);
    em.remove(po);
}

From source file:de.iai.ilcd.model.dao.CommonDataStockDao.java

/**
 * Get a root data stock by it's database ID
 * //w ww  . j a  v a  2 s  .co m
 * @param id
 *            id of data stock to find
 * @return loaded data stock
 */
public RootDataStock getRootDataStockById(long id) {
    EntityManager em = PersistenceUtil.getEntityManager();
    return em.find(RootDataStock.class, new Long(id));
}

From source file:de.iai.ilcd.model.dao.CommonDataStockDao.java

/**
 * Get a root data stock by it's database ID
 * /*from w  ww . j  a va  2  s  .  c o m*/
 * @param id
 *            id of data stock to find
 * @return loaded data stock
 */
public DataStock getNonRootDataStockById(long id) {
    EntityManager em = PersistenceUtil.getEntityManager();
    return em.find(DataStock.class, new Long(id));
}

From source file:eu.optimis.trustedinstance.DBStorage.java

@SuppressWarnings("finally")
public boolean update(DBStorageEntry entry) {

    boolean result = true;
    EntityManager em = emf.createEntityManager();

    try {//w w  w .j a v  a  2s .  co  m
        em.getTransaction().begin();
        DBStorageEntry update = em.find(DBStorageEntry.class, entry.getKey());
        update.setLicenseToken(entry.getLicenseToken());
        em.getTransaction().commit();
    } catch (Exception e) {
        result = false;
    } finally {
        em.close();
        return result;
    }
}

From source file:com.headissue.pigeon.admin.AdminSurveyHandler.java

public boolean disableSurvey(int _surveyId) {
    if (_surveyId <= 0) {
        return false;
    }//from   w w  w  . ja v a 2  s  . co  m
    EntityManager _manager = factory.createEntityManager();
    try {
        Survey s = _manager.find(Survey.class, _surveyId);
        if (s == null) {
            return false;
        }
        _manager.getTransaction().begin();
        s.setStatus(SurveyStatus.DISABLED);
        _manager.getTransaction().commit();
        return true;
    } catch (Exception e) {
        LogUtils.warn(log, "set survey '%s' to disabled failed", _surveyId);
        _manager.getTransaction().rollback();
        return false;
    } finally {
        _manager.close();
    }
}

From source file:eu.optimis.trustedinstance.DBStorage.java

@SuppressWarnings("finally")
public DBStorageEntry get(String resourceKey) throws Exception {

    DBStorageEntry result = null;//  w  ww  .ja  v a2s.co m
    EntityManager em = emf.createEntityManager();

    try {
        em.getTransaction().begin();
        result = (DBStorageEntry) em.find(DBStorageEntry.class, resourceKey);
        em.getTransaction().commit();
    } catch (Exception e) {
        result = null;
        throw e;
    } finally {
        em.close();
        return result;
    }
}

From source file:nl.b3p.viewer.admin.stripes.ComponentConfigLayerListActionBean.java

public Resolution source() {
    EntityManager em = Stripersist.getEntityManager();
    JSONArray jsonArray = new JSONArray();

    if (appId != null) {
        Application app = em.find(Application.class, appId);

        List<ApplicationLayer> layers = LayerListHelper.getLayers(app.getRoot(), filterable, bufferable,
                editable, influence, arc, wfs, attribute, false, null);

        for (ApplicationLayer layer : layers) {
            try {
                jsonArray.put(layer.toJSONObject());
            } catch (JSONException je) {
                log.error("Error while getting JSONObject of Layer with id: " + layer.getId(), je);
            }//w w  w  . jav a  2 s.c  o  m
        }
    }
    return new StreamingResolution("application/json", new StringReader(jsonArray.toString()));
}

From source file:com.headissue.pigeon.admin.AdminSurveyHandler.java

public SurveyValue getSurvey(int _surveyId) {
    if (_surveyId <= 0) {
        return defaultSurvey;
    }//from w  ww  .j a  v a  2  s .  c  o  m
    EntityManager _manager = factory.createEntityManager();
    try {
        Survey _survey = _manager.find(Survey.class, _surveyId);
        if (_survey == null || _survey.getStatus() == SurveyStatus.DISABLED) {
            return defaultSurvey;
        }
        return adminSurveyService.fromSurvey(_survey);
    } catch (Exception e) {
        LogUtils.warn(log, e, "get the survey '%s' failed", _surveyId);
        return defaultSurvey;
    } finally {
        _manager.close();
    }
}

From source file:com.emc.plants.service.impl.LoginBean.java

/**
 * Verify that the user exists and the password is value.
 * /*ww  w .jav  a2s.  c o m*/
 * @param customerID The customer ID
 * @param password The password for the customer ID
 * @return String with a results message.
 */
public String verifyUserAndPassword(String customerID, String password) {
    // Try to get customer.
    String results = null;
    Customer customer = null;

    /*
     CustomerHome customerHome = (CustomerHome) 
     Util.getEJBLocalHome("java:comp/env/ejb/Customer",
     com.ibm.websphere.samples.pbwjpa.CustomerHome.class);
             
     try
     {
     customer = customerHome.findByPrimaryKey(new CustomerKey(customerID));
     }
     catch (ObjectNotFoundException e) { }
     }
     catch (FinderException e) { e.printStackTrace(); }
     */
    EntityManager em = entityManagerFactory.createEntityManager();
    customer = em.find(Customer.class, customerID);

    // Does customer exists?
    if (customer != null) {
        if (!customer.verifyPassword(password)) // Is password correct?
        {
            results = "\nPassword does not match for : " + customerID;
            Util.debug("Password given does not match for userid=" + customerID);
        }
    } else // Customer was not found.
    {
        results = "\nCould not find account for : " + customerID;
        Util.debug("customer " + customerID + " NOT found");
    }

    return results;
}