Example usage for org.hibernate LockMode READ

List of usage examples for org.hibernate LockMode READ

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Introduction

In this page you can find the example usage for org.hibernate LockMode READ.

Prototype

LockMode READ

To view the source code for org.hibernate LockMode READ.

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Document

A shared lock.

Usage

From source file:org.bedework.carddav.server.dirHandlers.db.HibSessionImpl.java

License:Apache License

/**
 * @param o//from  ww w  .ja  va  2s  . c  om
 * @throws WebdavException
 */
public void lockRead(final Object o) throws WebdavException {
    if (exc != null) {
        // Didn't hear me last time?
        throw new WebdavException(exc);
    }

    try {
        sess.lock(o, LockMode.READ);
    } catch (Throwable t) {
        handleException(t);
    }
}

From source file:org.bedework.dumprestore.HibSession.java

License:Apache License

/**
 * @param o/*from  w w w  . j ava2s  .c  om*/
 * @throws CalFacadeException
 */
public void lockRead(Object o) throws CalFacadeException {
    if (exc != null) {
        // Didn't hear me last time?
        throw new CalFacadeException(exc);
    }

    try {
        sess.lock(o, LockMode.READ);
    } catch (Throwable t) {
        handleException(t);
    }
}

From source file:org.bedework.util.hibernate.HibSessionImpl.java

License:Apache License

/**
 * @param o/*from  w  w w  . j ava 2  s.  c o  m*/
 * @throws HibException
 */
@Override
public void lockRead(final Object o) throws HibException {
    if (exc != null) {
        // Didn't hear me last time?
        throw new HibException(exc);
    }

    try {
        sess.lock(o, LockMode.READ);
    } catch (Throwable t) {
        handleException(t);
    }
}

From source file:org.jbpm.graph.node.JoinDbTest.java

License:Open Source License

public void testParentLockMode() {
    ProcessDefinition processDefinition = ProcessDefinition
            .parseXmlString("<process-definition name='lock mode'>" + "  <join name='read' lock='READ' />"
                    + "  <join name='nowait' lock='UPGRADE_NOWAIT' />"
                    + "  <join name='upgrade' lock='pessimistic' />" + "</process-definition>");
    deployProcessDefinition(processDefinition);

    processDefinition = graphSession.findLatestProcessDefinition("lock mode");
    Join join = (Join) processDefinition.getNode("read");
    assertEquals(LockMode.READ.toString(), join.getParentLockMode());
    join = (Join) processDefinition.getNode("nowait");
    assertEquals(LockMode.UPGRADE_NOWAIT.toString(), join.getParentLockMode());
    join = (Join) processDefinition.getNode("upgrade");
    assertEquals(LockMode.UPGRADE.toString(), join.getParentLockMode());
}

From source file:org.projectforge.business.fibu.datev.DatevImportDao.java

License:Open Source License

private Object get(final Class<?> clazz, final Integer id) {
    if (id == null) {
        return null;
    }/*from w w  w. jav  a2  s . com*/
    return hibernateTemplate.get(clazz, id, LockMode.READ);
}

From source file:org.projectforge.business.multitenancy.TenantDao.java

License:Open Source License

@Transactional(readOnly = false, propagation = Propagation.REQUIRES_NEW, isolation = Isolation.REPEATABLE_READ)
public void internalAssignTenants(final PFUserDO user, final Set<TenantDO> tenantsToAssign,
        final Set<TenantDO> tenantsToUnassign, boolean checkAccess, boolean createHistoryEntry)
        throws AccessException {
    getHibernateTemplate().refresh(user, LockMode.READ);
    if (checkAccess) {
        if (TenantChecker.isSuperAdmin(ThreadLocalUserContext.getUser()) == false) {
            log.warn("User has now access right to change assigned users of a tenant! Skipping assignment.");
            return;
        }//from w ww.ja v  a2  s. c o m
    }
    final List<TenantDO> assignedTenants = new ArrayList<TenantDO>();
    if (tenantsToAssign != null) {
        for (final TenantDO tenant : tenantsToAssign) {
            final TenantDO dbTenant = getHibernateTemplate().get(clazz, tenant.getId(),
                    LockMode.PESSIMISTIC_WRITE);
            Set<PFUserDO> assignedUsers = dbTenant.getAssignedUsers();
            if (assignedUsers == null) {
                assignedUsers = new HashSet<PFUserDO>();
                dbTenant.setAssignedUsers(assignedUsers);
            }
            if (assignedUsers.contains(user) == false) {
                log.info("Assigning user '" + user.getUsername() + "' to tenant '" + dbTenant.getName() + "'.");
                assignedUsers.add(user);
                assignedTenants.add(dbTenant);
                dbTenant.setLastUpdate(); // Needed, otherwise TenantDO is not detected for hibernate history!
            } else {
                log.info("User '" + user.getUsername() + "' already assigned to tenant '" + dbTenant.getName()
                        + "'.");
            }
        }
    }
    final List<TenantDO> unassignedTenants = new ArrayList<TenantDO>();
    if (tenantsToUnassign != null) {
        for (final TenantDO tenant : tenantsToUnassign) {
            final TenantDO dbTenant = getHibernateTemplate().get(clazz, tenant.getId(),
                    LockMode.PESSIMISTIC_WRITE);
            final Set<PFUserDO> assignedUsers = dbTenant.getAssignedUsers();
            if (assignedUsers != null && assignedUsers.contains(user) == true) {
                log.info("Unassigning user '" + user.getUsername() + "' from tenant '" + dbTenant.getName()
                        + "'.");
                assignedUsers.remove(user);
                unassignedTenants.add(dbTenant);
                dbTenant.setLastUpdate(); // Needed, otherwise TenantDO is not detected for hibernate history!
            } else {
                log.info("User '" + user.getUsername() + "' is not assigned to tenant '" + dbTenant.getName()
                        + "' (can't unassign).");
            }
        }
    }
    flushSession();
    if (createHistoryEntry) {
        createHistoryEntry(user, unassignedTenants, assignedTenants);
    }
}

From source file:org.projectforge.business.user.GroupDao.java

License:Open Source License

/**
 * Assigns groups to and unassigns groups from given user.
 *
 * @param user//from w  w  w.java  2 s.c om
 * @param groupsToAssign   Groups to assign (nullable).
 * @param groupsToUnassign Groups to unassign (nullable).
 * @throws AccessException
 */
@Transactional(readOnly = false, propagation = Propagation.REQUIRES_NEW, isolation = Isolation.REPEATABLE_READ)
public void assignGroups(final PFUserDO user, final Set<GroupDO> groupsToAssign,
        final Set<GroupDO> groupsToUnassign, final boolean updateUserGroupCache) {
    getHibernateTemplate().refresh(user, LockMode.READ);

    final List<GroupDO> assignedGroups = new ArrayList<>();
    if (groupsToAssign != null) {
        for (final GroupDO group : groupsToAssign) {
            final GroupDO dbGroup = getHibernateTemplate().get(clazz, group.getId(),
                    LockMode.PESSIMISTIC_WRITE);
            HistoryBaseDaoAdapter.wrappHistoryUpdate(dbGroup, () -> {
                Set<PFUserDO> assignedUsers = dbGroup.getAssignedUsers();
                if (assignedUsers == null) {
                    assignedUsers = new HashSet<>();
                    dbGroup.setAssignedUsers(assignedUsers);
                }
                if (assignedUsers.contains(user) == false) {
                    log.info("Assigning user '" + user.getUsername() + "' to group '" + dbGroup.getName()
                            + "'.");
                    assignedUsers.add(user);
                    assignedGroups.add(dbGroup);
                    dbGroup.setLastUpdate(); // Needed, otherwise GroupDO is not detected for hibernate history!
                } else {
                    log.info("User '" + user.getUsername() + "' already assigned to group '" + dbGroup.getName()
                            + "'.");
                }
                return null;
            });
        }
    }

    final List<GroupDO> unassignedGroups = new ArrayList<>();
    if (groupsToUnassign != null) {
        for (final GroupDO group : groupsToUnassign) {
            final GroupDO dbGroup = getHibernateTemplate().get(clazz, group.getId(),
                    LockMode.PESSIMISTIC_WRITE);
            HistoryBaseDaoAdapter.wrappHistoryUpdate(dbGroup, () -> {
                final Set<PFUserDO> assignedUsers = dbGroup.getAssignedUsers();
                if (assignedUsers != null && assignedUsers.contains(user) == true) {
                    log.info("Unassigning user '" + user.getUsername() + "' from group '" + dbGroup.getName()
                            + "'.");
                    assignedUsers.remove(user);
                    unassignedGroups.add(dbGroup);
                    dbGroup.setLastUpdate(); // Needed, otherwise GroupDO is not detected for hibernate history!
                } else {
                    log.info("User '" + user.getUsername() + "' is not assigned to group '" + dbGroup.getName()
                            + "' (can't unassign).");
                }
                return null;
            });
        }
    }

    flushSession();
    createHistoryEntry(user, unassignedGroups, assignedGroups);
    if (updateUserGroupCache) {
        getUserGroupCache().setExpired();
    }
}

From source file:org.projectforge.core.BaseDao.java

License:Open Source License

@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
public O internalGetById(final Serializable id) {
    if (id == null) {
        return null;
    }/*from   w  ww  .  j  a va 2 s.c o  m*/
    final O obj = getHibernateTemplate().get(clazz, id, LockMode.READ);
    afterLoad(obj);
    return obj;
}

From source file:org.projectforge.fibu.datev.DatevImportDao.java

License:Open Source License

private Object get(final Class<?> clazz, final Integer id) {
    if (id == null) {
        return null;
    }//from  w w  w . ja va 2s.com
    return getHibernateTemplate().get(clazz, id, LockMode.READ);
}

From source file:org.projectforge.framework.persistence.api.BaseDao.java

License:Open Source License

@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
public O internalGetById(final Serializable id) {
    if (id == null) {
        return null;
    }//from  w w  w  . j  av  a 2 s.  com
    final O obj = hibernateTemplate.get(clazz, id, LockMode.READ);
    afterLoad(obj);
    return obj;
}