Package org.apache.torque.util
Class TransactionManagerImpl
java.lang.Object
org.apache.torque.util.TransactionManagerImpl
- All Implemented Interfaces:
TransactionManager
Standard connection and transaction management for Torque.
Uses JDBC connection operations and Torque's own database pools
for managing connections and transactions.
- Version:
- $Id: TransactionManagerImpl.java 1917245 2024-04-21 14:06:23Z tv $
- Author:
- Stephen Haberman
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionbegin()Begin a transaction by retrieving a connection from the default database connection pool.Begin a transaction by retrieving a connection from the named database connection pool.voidcommit(Connection con) Commit a transaction and close the connection.voidrollback(Connection con) Roll back a transaction and release the connection.voidsafeRollback(Connection con) Roll back a transaction without throwing errors if they occur.
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Constructor Details
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TransactionManagerImpl
public TransactionManagerImpl()
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Method Details
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begin
Begin a transaction by retrieving a connection from the default database connection pool. WARNING: If the database does not support transaction or the pool has set autocommit to true on the connection, the database will commit after every statement, regardless of when a commit or rollback is issued.- Specified by:
beginin interfaceTransactionManager- Returns:
- The Connection for the transaction.
- Throws:
TorqueException- Any exceptions caught during processing will be rethrown wrapped into a TorqueException.
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begin
Begin a transaction by retrieving a connection from the named database connection pool. WARNING: If the database does not support transaction or the pool has set autocommit to true on the connection, the database will commit after every statement, regardless of when a commit or rollback is issued.- Specified by:
beginin interfaceTransactionManager- Parameters:
dbName- Name of database.- Returns:
- The Connection for the transaction.
- Throws:
TorqueException- If the connection cannot be retrieved.
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commit
Commit a transaction and close the connection. If the connection is in autocommit mode or the database does not support transactions, only a connection close is performed- Specified by:
commitin interfaceTransactionManager- Parameters:
con- The Connection for the transaction.- Throws:
TorqueException- Any exceptions caught during processing will be rethrown wrapped into a TorqueException.
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rollback
Roll back a transaction and release the connection. In databases that do not support transactions or if autocommit is true, no rollback will be performed, but the connection will be closed anyway.- Specified by:
rollbackin interfaceTransactionManager- Parameters:
con- The Connection for the transaction.- Throws:
TorqueException- Any exceptions caught during processing will be rethrown wrapped into a TorqueException.
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safeRollback
Roll back a transaction without throwing errors if they occur. A null Connection argument is logged at the debug level and other errors are logged at warn level.- Specified by:
safeRollbackin interfaceTransactionManager- Parameters:
con- The Connection for the transaction.- See Also:
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