org.opencms.db.jpa

类 CmsDbContext

java.lang.Object

org.opencms.db.CmsDbContext

org.opencms.db.jpa.CmsDbContext

public final class CmsDbContext
extends CmsDbContext

Wraps context information to access the OpenCms database.

从以下版本开始:

8.0.0

字段概要

字段

限定符和类型	字段和说明
protected javax.persistence.EntityManager	m_entityManager The EntityManager instance for this context.
protected boolean	m_shouldCommit Tells when the current transaction should be commit or rollback.

从类继承的字段 org.opencms.db.CmsDbContext

m_attributes, m_flexRequestContextInfo, m_projectId, m_requestContext

构造器概要

构造器

构造器和说明
CmsDbContext() Creates a new, empty database context.
CmsDbContext(CmsRequestContext context) Creates a new database context initialized with the given user request context.

方法概要

方法

限定符和类型	方法和说明
void	clear() Clears this database context.
javax.persistence.EntityManager	getEntityManager() Returns the entity manager of this db context.
void	report(I_CmsReport report, CmsMessageContainer message, java.lang.Throwable throwable) Reports an error to the given report (if available) and to the OpenCms log file.
void	rollback() Rollback current transaction and starts new.

从类继承的方法 org.opencms.db.CmsDbContext

currentProject, currentUser, getAttribute, getFlexRequestContextInfo, getHistoryDriver, getProjectDriver, getProjectId, getRequestContext, getUserDriver, getVfsDriver, isDefaultDbContext, pop, removeAttribute, removeSiteRoot, setAttribute, setProjectId, throwException

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

m_entityManager

protected javax.persistence.EntityManager m_entityManager

The EntityManager instance for this context.

m_shouldCommit

protected boolean m_shouldCommit

Tells when the current transaction should be commit or rollback.

构造器详细资料

CmsDbContext

public CmsDbContext()

Creates a new, empty database context.

CmsDbContext

public CmsDbContext(CmsRequestContext context)

Creates a new database context initialized with the given user request context.

参数:

context - the current users request context

方法详细资料

clear

public void clear()

Clears this database context.

覆盖:

clear 在类中 CmsDbContext

getEntityManager

public javax.persistence.EntityManager getEntityManager()

Returns the entity manager of this db context.

返回:

the entity manager of this db context

report

public void report(I_CmsReport report,
          CmsMessageContainer message,
          java.lang.Throwable throwable)
            throws CmsVfsException,
                   CmsException

Reports an error to the given report (if available) and to the OpenCms log file.

覆盖:

report 在类中 CmsDbContext

参数:

report - the report to write the error to

message - the message to write to the report / log

throwable - the exception to write to the report / log

抛出:

CmsException - if the throwable parameter is not null and a CmsException

CmsVfsException - if the throwable parameter is not null and no CmsException

rollback

public void rollback()

Rollback current transaction and starts new.

覆盖:

rollback 在类中 CmsDbContext