EntityExistsException (Java EE 5 SDK)

Java

Java EE 5 SDK

深圳电信培训中心.徐海蛟老师.


javax.persistence Class EntityExistsException

java.lang.Object
  extended by java.lang.Throwable
      extended by java.lang.Exception
          extended by java.lang.RuntimeException
              extended by javax.persistence.PersistenceException
                  extended by javax.persistence.EntityExistsException
所有已实现的接口:
Serializable

public class EntityExistsException
extends PersistenceException

Thrown by the persistence provider when EntityManager.persist(Object) is called and the entity already exists. The current transaction, if one is active, will be marked for rollback.

从以下版本开始:
Java Persistence 1.0
另请参见:
EntityManager.persist(Object), Serialized Form

构造器摘要
EntityExistsException()
          Constructs a new EntityExistsException exception with null as its detail message.
EntityExistsException(String message)
          Constructs a new EntityExistsException exception with the specified detail message.
EntityExistsException(String message, Throwable cause)
          Constructs a new EntityExistsException exception with the specified detail message and cause.
EntityExistsException(Throwable cause)
          Constructs a new EntityExistsException exception with the specified cause.
 
方法摘要
 
类方法继承 java.lang.Throwable
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
 
类方法继承 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

构造器详细信息

EntityExistsException

public EntityExistsException()
Constructs a new EntityExistsException exception with null as its detail message.


EntityExistsException

public EntityExistsException(String message)
Constructs a new EntityExistsException exception with the specified detail message.

参数:
message - the detail message.


EntityExistsException

public EntityExistsException(String message,
                             Throwable cause)
Constructs a new EntityExistsException exception with the specified detail message and cause.

参数:
message - the detail message.
cause - the cause.


EntityExistsException

public EntityExistsException(Throwable cause)
Constructs a new EntityExistsException exception with the specified cause.

参数:
cause - the cause.


Java EE 5 SDK

深圳电信培训中心.徐海蛟老师.


提交错误或意见

版权所有 2007 Sun Microsystems, Inc. 保留所有权利。 请遵守许可证条款。深圳电信培训中心.徐海蛟老师教学参考.