Klasse TransactionManagerImpl

java.lang.Object
org.apache.torque.util.TransactionManagerImpl
Alle implementierten Schnittstellen:
TransactionManager

public class TransactionManagerImpl extends Object implements 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 $
Autor:
Stephen Haberman
  • Konstruktordetails

    • TransactionManagerImpl

      public TransactionManagerImpl()
  • Methodendetails

    • begin

      public TorqueConnection begin() throws TorqueException
      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.
      Angegeben von:
      begin in Schnittstelle TransactionManager
      Gibt zurück:
      The Connection for the transaction.
      Löst aus:
      TorqueException - Any exceptions caught during processing will be rethrown wrapped into a TorqueException.
    • begin

      public TorqueConnection begin(String dbName) throws TorqueException
      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.
      Angegeben von:
      begin in Schnittstelle TransactionManager
      Parameter:
      dbName - Name of database.
      Gibt zurück:
      The Connection for the transaction.
      Löst aus:
      TorqueException - If the connection cannot be retrieved.
    • commit

      public void commit(Connection con) throws TorqueException
      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
      Angegeben von:
      commit in Schnittstelle TransactionManager
      Parameter:
      con - The Connection for the transaction.
      Löst aus:
      TorqueException - Any exceptions caught during processing will be rethrown wrapped into a TorqueException.
    • rollback

      public void rollback(Connection con) throws TorqueException
      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.
      Angegeben von:
      rollback in Schnittstelle TransactionManager
      Parameter:
      con - The Connection for the transaction.
      Löst aus:
      TorqueException - Any exceptions caught during processing will be rethrown wrapped into a TorqueException.
    • safeRollback

      public void safeRollback(Connection con)
      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.
      Angegeben von:
      safeRollback in Schnittstelle TransactionManager
      Parameter:
      con - The Connection for the transaction.
      Siehe auch: