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Generic callback interface for code that operates on a CallableStatement. Allows to execute any number of operations on a single CallableStatement, for example a single execute call or repeated execute calls with varying parameters.
Used internally by JdbcTemplate, but also useful for application code. Note that the passed-in CallableStatement can have been created by the framework or by a custom CallableStatementCreator. However, the latter is hardly ever necessary, as most custom callback actions will perform updates in which case a standard CallableStatement is fine. Custom actions will always set parameter values themselves, so that CallableStatementCreator capability is not needed either.
JdbcTemplate.execute(String, CallableStatementCallback)
,
JdbcTemplate.execute(CallableStatementCreator, CallableStatementCallback)
Method Summary | |
Object |
doInCallableStatement(CallableStatement cs)
Gets called by JdbcTemplate.execute with an active JDBC CallableStatement. |
Method Detail |
public Object doInCallableStatement(CallableStatement cs) throws SQLException, DataAccessException
If called without a thread-bound JDBC transaction (initiated by DataSourceTransactionManager), the code will simply get executed on the JDBC connection with its transactional semantics. If JdbcTemplate is configured to use 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 RuntimeException is treated as application exception, it gets propagated to the caller of the template.
cs
- active JDBC CallableStatement
SQLException
- if thrown by a JDBC method, to be auto-converted
into a DataAccessException by a SQLExceptionTranslator
DataAccessException
- in case of custom exceptions
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