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package com.sun.gjc.spi;
import javax.resource.ResourceException;
import javax.resource.spi.LocalTransactionException;
/**
* <code>LocalTransaction</code> implementation for Generic JDBC Connector.
*
* @author Evani Sai Surya Kiran
* @version 1.0, 02/08/03
*/
public class LocalTransaction implements javax.resource.spi.LocalTransaction {
private ManagedConnection mc;
/**
* Constructor for <code>LocalTransaction</code>.
*
* @param mc <code>ManagedConnection</code> that returns
* this <code>LocalTransaction</code> object as
* a result of <code>getLocalTransaction</code>
*/
public LocalTransaction(ManagedConnection mc) {
this.mc = mc;
}
/**
* Begin a local transaction.
*
* @throws LocalTransactionException if there is an error in changing
* the autocommit mode of the physical
* connection
*/
public void begin() throws ResourceException {
//GJCINT
mc.transactionStarted();
try {
mc.getActualConnection().setAutoCommit(false);
} catch (java.sql.SQLException sqle) {
throw new LocalTransactionException(sqle.getMessage());
}
}
/**
* Commit a local transaction.
*
* @throws LocalTransactionException if there is an error in changing
* the autocommit mode of the physical
* connection or committing the transaction
*/
public void commit() throws ResourceException {
try {
mc.getActualConnection().commit();
mc.getActualConnection().setAutoCommit(true);
} catch (java.sql.SQLException sqle) {
throw new LocalTransactionException(sqle.getMessage());
}finally{
//GJCINT
mc.transactionCompleted();
}
}
/**
* Rollback a local transaction.
*
* @throws LocalTransactionException if there is an error in changing
* the autocommit mode of the physical
* connection or rolling back the transaction
*/
public void rollback() throws ResourceException {
try {
mc.getActualConnection().rollback();
mc.getActualConnection().setAutoCommit(true);
} catch (java.sql.SQLException sqle) {
throw new LocalTransactionException(sqle.getMessage());
}finally{
//GJCINT
mc.transactionCompleted();
}
}
}