Example usage for org.hibernate LockMode READ

List of usage examples for org.hibernate LockMode READ

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Prototype

LockMode READ

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A shared lock.

Usage

From source file:com.ephesoft.dcma.da.common.EphesoftSQLServerDialect.java

License:Open Source License

/**
 * This method appends lock hint./*from w w  w . j  av  a  2  s.  c  om*/
 * 
 * @param mode LockMode 
 * @param tableName {@link String}
 * @return {@link String}
 */
public String appendLockHint(LockMode mode, String tableName) {
    if (mode.greaterThan(LockMode.READ)) {
        // does this need holdlock also? : return tableName + " with (updlock, rowlock, holdlock)";
        return tableName + " with (updlock, rowlock)";
    } else {
        return tableName + " with (READCOMMITTED)";
    }
}

From source file:com.ephesoft.dcma.workflow.dialect.EphesoftSQLServerDialect.java

License:Open Source License

/**
 * To append Lock Hint.//from  ww w  .j  a v  a2  s .  c o m
 * 
 * @param mode LockMode
 * @param tableName String
 */
public String appendLockHint(LockMode mode, String tableName) {
    String lockHint;
    if (mode.greaterThan(LockMode.READ)) {
        // does this need holdlock also? : return tableName + " with (updlock, rowlock, holdlock)";
        lockHint = tableName + " with (updlock, rowlock)";
    } else {
        lockHint = tableName + " with (nolock)";
    }
    return lockHint;
}

From source file:com.github.jmnarloch.hstreams.internal.SQLQueryDelegateTest.java

License:Apache License

@Test
public void testAddEntity3() throws Exception {

    // given//w ww  .ja  va2s.  c o  m
    final String alias = "alias";
    final String entity = "entity";
    final LockMode lockMode = LockMode.READ;

    // then
    verifyMethodCall(q -> q.addEntity(alias, entity, lockMode));
}

From source file:com.github.jmnarloch.hstreams.internal.SQLQueryDelegateTest.java

License:Apache License

@Test
public void testAddEntity5() throws Exception {

    // given//from   www .  j  av  a  2s . co  m
    final String alias = "alias";
    final Class<Object> entityType = Object.class;
    final LockMode lockMode = LockMode.READ;

    // then
    verifyMethodCall(q -> q.addEntity(alias, entityType, lockMode));
}

From source file:com.heliosapm.aa4h.parser.XMLQueryParser.java

License:Apache License

/**
 * Initializes a Criteria Query.//from w w  w  .ja v  a  2 s.co  m
 * Mandatory Attributes:<ul>
 * <li><b>name</b>: The unqualified class name driving the criteria query.</li>
 * </ul>
 * Optional Attributes:<ul>
 * <li><b>prefix</b>: The package name of the class driving the criteria query. If null, no package is assumed.</li>
 * <li><b>maxSize</b>: The maximum number of rows to return from the database.</li>
 * <li><b>fetchSize</b>: The number of rows to fetch when rows are requested. Usually not useful for AA4H.</li>
 * <li><b>cacheEnabled</b>: Enables or disables caching for the queried objects.</li>
 * <li><b>cacheMode</b>: The cache options for the queried objects.</li>
 * <li><b>flushMode</b>: The session flush options.</li>
 * <li><b>fetchMode</b>: The collection fetch options for the query.</li>
 * <li><b>lockMode</b>: The row lock options for the queried rows.</li>
 * <li><b>timeOut</b>: The query timeout option.</li>
 * <li><b>rowCountOnly</b>: Returns a count of the query rows only.</li>
 * </ul>
 * @param attrs The attributes of the processed node.
 * @return An appended or new CriteriaSpecification
 * @throws SAXException
 */
protected CriteriaSpecification processCriteria(Attributes attrs) throws SAXException {
    if (inDetached) {
        return criteriaStack.peek();
    }
    String name = attrs.getValue("name");
    String prefix = attrs.getValue("prefix");
    if (prefix != null) {
        className = prefix + "." + name;
    } else {
        className = name;
    }
    String maxSize = attrs.getValue("maxSize");
    String fetchSize = attrs.getValue("fetchSize");
    String firstResult = attrs.getValue("firstResult");
    String cacheEnabled = attrs.getValue("cacheEnabled");
    String cacheMode = attrs.getValue("cacheMode");
    String flushMode = attrs.getValue("flushMode");
    String fetchMode = attrs.getValue("fetchMode");
    String lockMode = attrs.getValue("lockMode");
    String timeOut = attrs.getValue("timeOut");
    String rowCountOnly = attrs.getValue("rowCountOnly");
    Criteria newCriteria = null;
    try {
        if (criteriaStack.size() == 0) {
            newCriteria = session.createCriteria(className);
        } else {
            newCriteria = ((Criteria) criteriaStack.peek()).createCriteria(className);
        }
        criteriaStack.push(newCriteria);
        if ("true".equalsIgnoreCase(rowCountOnly)) {
            newCriteria.setProjection(Projections.projectionList().add(Projections.rowCount())

            );
            setRowCountOnly(true);
        }
        if (maxSize != null && isRowCountOnly() == false) {
            newCriteria.setMaxResults(Integer.parseInt(maxSize));
        }
        if (fetchSize != null && isRowCountOnly() == false) {
            newCriteria.setFetchSize(Integer.parseInt(fetchSize));
        }
        if (firstResult != null && isRowCountOnly() == false) {
            newCriteria.setFirstResult(Integer.parseInt(firstResult));
        }
        if (timeOut != null) {
            newCriteria.setTimeout(Integer.parseInt(timeOut));
        }

        if ("true".equalsIgnoreCase(cacheEnabled)) {
            newCriteria.setCacheable(true);
        } else if ("false".equalsIgnoreCase(cacheEnabled)) {
            newCriteria.setCacheable(false);
        }
        if (fetchMode != null && fetchMode.length() > 0) {
            if ("JOIN".equalsIgnoreCase(fetchMode)) {
                newCriteria.setFetchMode(name, FetchMode.JOIN);
            } else if ("SELECT".equalsIgnoreCase(fetchMode)) {
                newCriteria.setFetchMode(name, FetchMode.SELECT);
            } else {
                newCriteria.setFetchMode(name, FetchMode.DEFAULT);
            }
        } else {
            newCriteria.setFetchMode(name, FetchMode.DEFAULT);
        }
        if (cacheMode != null && cacheMode.length() > 0) {
            if ("GET".equalsIgnoreCase(cacheMode)) {
                newCriteria.setCacheMode(CacheMode.GET);
            } else if ("IGNORE".equalsIgnoreCase(cacheMode)) {
                newCriteria.setCacheMode(CacheMode.IGNORE);
            } else if ("NORMAL".equalsIgnoreCase(cacheMode)) {
                newCriteria.setCacheMode(CacheMode.NORMAL);
            } else if ("PUT".equalsIgnoreCase(cacheMode)) {
                newCriteria.setCacheMode(CacheMode.PUT);
            } else if ("REFRESH".equalsIgnoreCase(cacheMode)) {
                newCriteria.setCacheMode(CacheMode.REFRESH);
            } else {
                newCriteria.setCacheMode(CacheMode.NORMAL);
            }
        }
        if (lockMode != null && lockMode.length() > 0) {
            if ("NONE".equalsIgnoreCase(lockMode)) {
                newCriteria.setLockMode(LockMode.NONE);
            } else if ("READ".equalsIgnoreCase(lockMode)) {
                newCriteria.setLockMode(LockMode.READ);
            } else if ("UPGRADE".equalsIgnoreCase(lockMode)) {
                newCriteria.setLockMode(LockMode.UPGRADE);
            } else if ("UPGRADE_NOWAIT".equalsIgnoreCase(lockMode)) {
                newCriteria.setLockMode(LockMode.UPGRADE_NOWAIT);
            } else if ("WRITE".equalsIgnoreCase(lockMode)) {
                newCriteria.setLockMode(LockMode.WRITE);
            } else {
                throw new SAXException("lockMode[" + lockMode + "] Not Recognized");
            }
        }
        if (flushMode != null && flushMode.length() > 0) {
            if ("ALWAYS".equalsIgnoreCase(flushMode)) {
                newCriteria.setFlushMode(FlushMode.ALWAYS);
            } else if ("AUTO".equalsIgnoreCase(flushMode)) {
                newCriteria.setFlushMode(FlushMode.AUTO);
            } else if ("COMMIT".equalsIgnoreCase(flushMode)) {
                newCriteria.setFlushMode(FlushMode.COMMIT);
            } else if ("NEVER".equalsIgnoreCase(flushMode)) {
                // NEVER is deprecated, so we won't throw an exception but we'll ignore it.
            } else {
                throw new SAXException("flushMode[" + flushMode + "] Not Recognized");
            }
        }
        return newCriteria;

    } catch (Exception e) {
        throw new SAXException("Unable to configure class " + className, e);
    }
}

From source file:com.jaspersoft.jasperserver.api.metadata.common.service.impl.hibernate.HibernateRepositoryServiceImpl.java

License:Open Source License

protected void lockReadFolder(RepoFolder folder) {
    HibernateTemplate template = getHibernateTemplate();
    Session session = template.getSessionFactory().getCurrentSession();
    LockMode folderLockMode = session.getCurrentLockMode(folder);
    if (LockMode.READ.equals(folderLockMode)) {
        String currentURI = folder.getURI();

        //refresh and lock the parent
        template.refresh(folder, LockMode.UPGRADE);

        //check whether the parent URI has changed
        if (!currentURI.equals(folder.getURI())) {
            throw new JSException("jsexception.folder.moved", new Object[] { currentURI, folder.getURI() });
        }//www.  j a v  a  2s  . c  o  m
    }
}

From source file:de.fhg.fokus.hss.action.IfcDeleteAction.java

License:Open Source License

public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse reponse) throws Exception {

    LOGGER.debug("entering");

    ActionForward forward = null;/*from ww w  .j a va2  s  .co m*/
    IfcForm form = (IfcForm) actionForm;
    LOGGER.debug(form);

    try {
        Integer primaryKey = form.getPrimaryKey();

        HibernateUtil.beginTransaction();
        Ifc ifc = (Ifc) HibernateUtil.getCurrentSession().load(Ifc.class, primaryKey, LockMode.READ);
        HibernateUtil.getCurrentSession().delete(ifc);
        HibernateUtil.commitTransaction();

        forward = mapping.findForward(FORWARD_SUCCESS);
    } catch (ConstraintViolationException e) {
        LOGGER.debug(this, e);

        ActionMessages actionMessages = new ActionMessages();
        actionMessages.add(Globals.MESSAGE_KEY, new ActionMessage("error.constraint"));
        saveMessages(request, actionMessages);
        forward = mapping.findForward(FORWARD_FAILURE);
    } finally {
        HibernateUtil.closeSession();
    }

    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug(forward);
        LOGGER.debug("exiting");
    }
    return forward;
}

From source file:de.fhg.fokus.hss.action.ImpiSubmitAction.java

License:Open Source License

public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse reponse) throws Exception {

    LOGGER.debug("entering");

    ImpiForm form = (ImpiForm) actionForm;
    LOGGER.debug(form);/*from  w ww.j  a va2 s . c  o m*/

    ActionMessages actionMessages = null;
    ActionForward forward = null;

    Impi impi = null;
    ImpiBO impiBO = new ImpiBO();
    try {
        Integer primaryKey = form.getPrimaryKey();
        HibernateUtil.beginTransaction();
        // if pk id = -1 create a new impi and concat them to current imsu
        if (primaryKey.intValue() == -1) {
            // check for existing impi with the same impi string
            if (((Integer) HibernateUtil.getCurrentSession().createQuery(
                    "select count(impi) from de.fhg.fokus.hss.model.Impi as impi where impi.impiString = ?")
                    .setString(0, form.getImpiString()).uniqueResult()).intValue() == 0) {

                impi = new Impi();

                // store assigned imsu if exists
                if (form.getImsuId() != null) {
                    Integer assignedSubscriptionId = new Integer(form.getImsuId());
                    impi.setImsu((Imsu) HibernateUtil.getCurrentSession().load(Imsu.class,
                            assignedSubscriptionId, LockMode.READ));
                }
            } else {
                actionMessages = new ActionMessages();
                actionMessages.add(Globals.MESSAGE_KEY, new ActionMessage("impi.error.duplicated"));
                saveMessages(request, actionMessages);
                forward = mapping.findForward(FORWARD_FAILURE);
            }
        } else {
            impi = impiBO.load(primaryKey);
        }

        // on errors dont store anything, forward to error page.
        if (forward == null) {
            copyValues(form, impi);
            impiBO.saveOrUpdate(impi);
            forward = mapping.findForward(FORWARD_SUCCESS);
            forward = new ActionForward(forward.getPath() + "?impiId=" + impi.getImpiId(), true);
        }

        HibernateUtil.commitTransaction();
    } finally {
        HibernateUtil.closeSession();
    }

    LOGGER.debug("exiting");

    return forward;
}

From source file:de.fhg.fokus.hss.action.TriggerPointShowAction.java

License:Open Source License

public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse reponse) throws Exception {

    LOGGER.debug("entering");
    TriggerPointForm form = (TriggerPointForm) actionForm;
    LOGGER.debug(form);//from   w ww.jav a 2 s  .co m

    if (form.getPrimaryKey().intValue() != -1) {
        try {
            HibernateUtil.beginTransaction();
            //    Load the Trigger Point
            Trigpt trigpt = (Trigpt) HibernateUtil.getCurrentSession().load(Trigpt.class, form.getPrimaryKey(),
                    LockMode.READ);

            // Save current Trigger Point Values
            form.setTrigPtName(trigpt.getName());
            form.setTrigPtId(String.valueOf(trigpt.getTrigptId().intValue()));
            form.setCnf(trigpt.getCnf());

            // Save all SPT's
            form.setSpts(getSpts(trigpt));
            HibernateUtil.commitTransaction();
        } finally {
            HibernateUtil.closeSession();
        }
    }

    LOGGER.debug("exiting");
    return mapping.findForward(FORWARD_SUCCESS);
}

From source file:de.fhg.fokus.hss.action.TriggerPointShowXMLAction.java

License:Open Source License

public ActionForward execute(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse reponse) throws Exception {

    LOGGER.debug("entering");
    ActionForward forward = null;/*from ww w .j  a  va 2  s. co  m*/
    TriggerPointForm form = (TriggerPointForm) actionForm;
    LOGGER.debug(form);

    TriggerPoint triggerPoint = null;
    try {
        HibernateUtil.beginTransaction();
        // Load the Trigger Point
        Trigpt trigpt = (Trigpt) HibernateUtil.getCurrentSession().load(Trigpt.class, form.getPrimaryKey(),
                LockMode.READ);
        triggerPoint = CxUserProfil.getTriggerPoint(trigpt);
        HibernateUtil.commitTransaction();
    } finally {
        HibernateUtil.closeSession();
    }

    if (triggerPoint != null) {
        StringWriter sw = new StringWriter();
        try {
            triggerPoint.marshal(sw);
            forward = mapping.findForward(FORWARD_SUCCESS);
        } catch (Exception e) {
            LOGGER.warn(this, e);
            ActionMessages actionMessages = new ActionMessages();
            actionMessages.add(Globals.MESSAGE_KEY, new ActionMessage("triggerPoint.error.xml"));
            saveMessages(request, actionMessages);
            forward = mapping.findForward(FORWARD_FAILURE);
        }

        String xml = sw.getBuffer().toString();
        request.setAttribute("triggerPointXML", xml);
    } else {
        ActionMessages actionMessages = new ActionMessages();
        actionMessages.add(Globals.MESSAGE_KEY, new ActionMessage("triggerPoint.error.xml"));
        saveMessages(request, actionMessages);
        forward = mapping.findForward(FORWARD_FAILURE);
    }

    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug(forward);
        LOGGER.debug("exiting");
    }

    return forward;
}