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

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org.springframework.orm.ibatis
Interface SqlMapClientCallback

public interface SqlMapClientCallback

Callback interface for data access code that works with the iBATIS SqlMapExecutor interface. To be used with SqlMapClientTemplate's execute method, assumably often as anonymous classes within a method implementation.

Since:: 24.02.2004
Author:: Juergen Hoeller
See Also:: SqlMapClientTemplate, DataSourceTransactionManager

Method Summary

Object doInSqlMapClient(com.ibatis.sqlmap.client.SqlMapExecutor executor)
Gets called by SqlMapClientTemplate.execute with an active SqlMapExecutor.

Method Summary
`Object`	`doInSqlMapClient(com.ibatis.sqlmap.client.SqlMapExecutor executor)` Gets called by `SqlMapClientTemplate.execute` with an active `SqlMapExecutor`.

Method Detail

doInSqlMapClient

Object doInSqlMapClient(com.ibatis.sqlmap.client.SqlMapExecutor executor)
                        throws SQLException

Gets called by SqlMapClientTemplate.execute with an active SqlMapExecutor. Does not need to care about activating or closing the SqlMapExecutor, or handling transactions.

If called without a thread-bound JDBC transaction (initiated by DataSourceTransactionManager), the code will simply get executed on the underlying JDBC connection with its transactional semantics. If using a JTA-aware DataSource, the JDBC connection and thus the callback code will be transactional if a JTA transaction is active.

Allows for returning a result object created within the callback, i.e. a domain object or a collection of domain objects. A thrown custom RuntimeException is treated as an application exception: It gets propagated to the caller of the template.

Parameters:: executor - an active iBATIS SqlMapSession, passed-in as SqlMapExecutor interface here to avoid manual lifecycle handling
Returns:: a result object, or null if none
Throws:: SQLException - if thrown by the iBATIS SQL Maps API
See Also:: SqlMapClientTemplate.execute(org.springframework.orm.ibatis.SqlMapClientCallback), SqlMapClientTemplate.executeWithListResult(org.springframework.orm.ibatis.SqlMapClientCallback), SqlMapClientTemplate.executeWithMapResult(org.springframework.orm.ibatis.SqlMapClientCallback)