TopLinkAccessor (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.orm.toplink
Class TopLinkAccessor

java.lang.Object
  org.springframework.orm.toplink.TopLinkAccessor

All Implemented Interfaces:: InitializingBean

Direct Known Subclasses:: TopLinkInterceptor, TopLinkTemplate

public abstract class TopLinkAccessor
extends Object
implements InitializingBean
extends Object
implements InitializingBean

Base class for TopLinkTemplate and TopLinkInterceptor, defining common properties such as SessionFactory and JDBC exception translator.

Not intended to be used directly. See TopLinkTemplate and TopLinkInterceptor.

Thanks to Slavik Markovich for implementing the initial TopLink support prototype!

Since:: 1.2
Author:: Juergen Hoeller
See Also:: TopLinkTemplate, TopLinkInterceptor

Field Summary

protected Log logger
          Logger available to subclasses

Constructor Summary

TopLinkAccessor()


Method Summary

void afterPropertiesSet()
          Check that we were provided with a session to use

DataAccessException convertTopLinkAccessException(oracle.toplink.exceptions.TopLinkException ex)
          Convert the given TopLinkException to an appropriate exception from the org.springframework.dao hierarchy.

SQLExceptionTranslator getJdbcExceptionTranslator()
          Return the JDBC exception translator for this instance, if any.

SessionFactory getSessionFactory()
          Return the TopLink SessionFactory that should be used to create TopLink Sessions.

void setJdbcExceptionTranslator(SQLExceptionTranslator jdbcExceptionTranslator)
          Set the JDBC exception translator for this instance.

void setSessionFactory(SessionFactory sessionFactory)
          Set the the TopLink SessionFactory that should be used to create TopLink Sessions.

Methods inherited from class java.lang.Object

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

Field Summary
`protected Log`	`logger` Logger available to subclasses

Constructor Summary
`TopLinkAccessor()`

Method Summary
`void`	`afterPropertiesSet()` Check that we were provided with a session to use
`DataAccessException`	`convertTopLinkAccessException(oracle.toplink.exceptions.TopLinkException ex)` Convert the given TopLinkException to an appropriate exception from the `org.springframework.dao` hierarchy.
`SQLExceptionTranslator`	`getJdbcExceptionTranslator()` Return the JDBC exception translator for this instance, if any.
`SessionFactory`	`getSessionFactory()` Return the TopLink SessionFactory that should be used to create TopLink Sessions.
`void`	`setJdbcExceptionTranslator(SQLExceptionTranslator jdbcExceptionTranslator)` Set the JDBC exception translator for this instance.
`void`	`setSessionFactory(SessionFactory sessionFactory)` Set the the TopLink SessionFactory that should be used to create TopLink Sessions.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

logger

protected final Log logger

Logger available to subclasses

Constructor Detail

TopLinkAccessor

public TopLinkAccessor()

Method Detail

setSessionFactory

public void setSessionFactory(SessionFactory sessionFactory)

Set the the TopLink SessionFactory that should be used to create TopLink Sessions. This will usually be a ServerSessionFactory in a multi-threaded environment, but can also be a SingleSessionFactory for testing purposes or for standalone execution.

The passed-in SessionFactory will usually be asked for a plain Session to perform data access on, unless an active transaction with a thread-bound Session is found.

See Also:: ServerSessionFactory, SingleSessionFactory, SessionFactory.createSession(), SessionFactoryUtils.getSession(SessionFactory, boolean)

getSessionFactory

public SessionFactory getSessionFactory()

Return the TopLink SessionFactory that should be used to create TopLink Sessions.

setJdbcExceptionTranslator

public void setJdbcExceptionTranslator(SQLExceptionTranslator jdbcExceptionTranslator)

Set the JDBC exception translator for this instance.

Applied to any SQLException root cause of a TopLink DatabaseException. The default is to rely on TopLink's native exception translation.

Parameters:: jdbcExceptionTranslator - the exception translator
See Also:: DatabaseException, SQLErrorCodeSQLExceptionTranslator, SQLStateSQLExceptionTranslator

getJdbcExceptionTranslator

public SQLExceptionTranslator getJdbcExceptionTranslator()

Return the JDBC exception translator for this instance, if any.

afterPropertiesSet

public void afterPropertiesSet()

Check that we were provided with a session to use

Specified by:: afterPropertiesSet in interface InitializingBean

convertTopLinkAccessException

public DataAccessException convertTopLinkAccessException(oracle.toplink.exceptions.TopLinkException ex)

Convert the given TopLinkException to an appropriate exception from the org.springframework.dao hierarchy.

Will automatically apply a specified SQLExceptionTranslator to a TopLink DatabaseException, else rely on TopLink's default translation.

Parameters:: ex - TopLinkException that occured
Returns:: a corresponding DataAccessException
See Also:: SessionFactoryUtils.convertTopLinkAccessException(oracle.toplink.exceptions.TopLinkException), setJdbcExceptionTranslator(org.springframework.jdbc.support.SQLExceptionTranslator)