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HHH-4561 - Deprecate openConnection()/closeConnection() methods on Batcher interface 

git-svn-id: https://svn.jboss.org/repos/hibernate/core/trunk@17955 1b8cb986-b30d-0410-93ca-fae66ebed9b2
This commit is contained in:
Steve Ebersole 2009-11-11 05:58:42 +00:00
parent f5384ba355
commit 1d3ceafffb
2 changed files with 148 additions and 91 deletions
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235
core/src/main/java/org/hibernate/engine/transaction/Isolater.java
View File

@ -28,12 +28,15 @@ import java.sql.Connection;
import java.sql.SQLException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import javax.transaction.SystemException;
import javax.transaction.NotSupportedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.hibernate.HibernateException;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.exception.JDBCExceptionHelper;
import org.hibernate.exception.SQLExceptionConverter;
/**
* Class which provides the isolation semantics required by
@ -108,66 +111,29 @@ public class Isolater {
public void delegateWork(IsolatedWork work, boolean transacted) throws HibernateException {
TransactionManager transactionManager = session.getFactory().getTransactionManager();
Transaction surroundingTransaction = null;
Connection connection = null;
boolean caughtException = false;
try {
// First we need to suspend any current JTA transaction and obtain
// a JDBC connection
surroundingTransaction = transactionManager.suspend();
// First we suspend any current JTA transaction
Transaction surroundingTransaction = transactionManager.suspend();
if ( log.isDebugEnabled() ) {
log.debug( "surrounding JTA transaction suspended [" + surroundingTransaction + "]" );
}
if ( transacted ) {
transactionManager.begin();
}
connection = session.getBatcher().openConnection();
// doAfterTransactionCompletion the actual work
work.doWork( connection );
// if everything went ok, commit the transaction and close the obtained
// connection handle...
session.getBatcher().closeConnection( connection );
if ( transacted ) {
transactionManager.commit();
}
}
catch( Throwable t ) {
// at some point the processing went bad, so we need to:
// 1) make sure the connection handle gets released
// 2) try to cleanup the JTA context as much as possible
caughtException = true;
boolean hadProblems = false;
try {
if ( connection != null && !connection.isClosed() ) {
session.getBatcher().closeConnection( connection );
// then peform the requested work
if ( transacted ) {
doTheWorkInNewTransaction( work, transactionManager );
}
else {
doTheWorkInNoTransaction( work );
}
}
catch( Throwable ignore ) {
log.trace( "unable to release connection on exception [" + ignore + "]" );
catch ( HibernateException e ) {
hadProblems = true;
throw e;
}
if ( transacted ) {
try {
transactionManager.rollback();
}
catch( Throwable ignore ) {
log.trace( "unable to rollback new transaction on exception [" + ignore + "]" );
}
}
// finally handle the exception
if ( t instanceof HibernateException ) {
throw ( HibernateException ) t;
}
else {
throw new HibernateException( "error performing isolated work", t );
}
}
finally {
if ( surroundingTransaction != null ) {
finally {
try {
transactionManager.resume( surroundingTransaction );
if ( log.isDebugEnabled() ) {
@ -175,12 +141,85 @@ public class Isolater {
}
}
catch( Throwable t ) {
if ( !caughtException ) {
throw new HibernateException( "unable to resume previously suspended transaction", t );
// if the actually work had an error use that, otherwise error based on t
if ( !hadProblems ) {
//noinspection ThrowFromFinallyBlock
throw new HibernateException( "Unable to resume previously suspended transaction", t );
}
}
}
}
catch ( SystemException e ) {
throw new HibernateException( "Unable to suspend current JTA transaction", e );
}
}
private void doTheWorkInNewTransaction(IsolatedWork work, TransactionManager transactionManager) {
try {
// start the new isolated transaction
transactionManager.begin();
try {
doTheWork( work );
// if everythign went ok, commit the isolated transaction
transactionManager.commit();
}
catch ( Exception e ) {
try {
transactionManager.rollback();
}
catch ( Exception ignore ) {
log.info( "Unable to rollback isolated transaction on error [" + e + "] : [" + ignore + "]" );
}
}
}
catch ( SystemException e ) {
throw new HibernateException( "Unable to start isolated transaction", e );
}
catch ( NotSupportedException e ) {
throw new HibernateException( "Unable to start isolated transaction", e );
}
}
private void doTheWorkInNoTransaction(IsolatedWork work) {
doTheWork( work );
}
private void doTheWork(IsolatedWork work) {
try {
// obtain our isolated connection
Connection connection = session.getFactory().getConnectionProvider().getConnection();
try {
// do the actual work
work.doWork( connection );
}
catch ( HibernateException e ) {
throw e;
}
catch ( Exception e ) {
throw new HibernateException( "Unable to perform isolated work", e );
}
finally {
try {
// no matter what, release the connection (handle)
session.getFactory().getConnectionProvider().closeConnection( connection );
}
catch ( Throwable ignore ) {
log.info( "Unable to release isolated connection [" + ignore + "]" );
}
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
sqlExceptionConverter(),
sqle,
"unable to obtain isolated JDBC connection"
);
}
}
private SQLExceptionConverter sqlExceptionConverter() {
return session.getFactory().getSQLExceptionConverter();
}
}
@ -196,61 +235,75 @@ public class Isolater {
}
public void delegateWork(IsolatedWork work, boolean transacted) throws HibernateException {
Connection connection = null;
boolean wasAutoCommit = false;
try {
connection = session.getBatcher().openConnection();
if ( transacted ) {
if ( connection.getAutoCommit() ) {
wasAutoCommit = true;
connection.setAutoCommit( false );
}
}
work.doWork( connection );
if ( transacted ) {
connection.commit();
}
}
catch( Throwable t ) {
Connection connection = session.getFactory().getConnectionProvider().getConnection();
try {
if ( transacted && connection != null && !connection.isClosed() ) {
connection.rollback();
if ( transacted ) {
if ( connection.getAutoCommit() ) {
wasAutoCommit = true;
connection.setAutoCommit( false );
}
}
work.doWork( connection );
if ( transacted ) {
connection.commit();
}
}
catch( Throwable ignore ) {
log.trace( "unable to release connection on exception [" + ignore + "]" );
}
catch( Exception e ) {
try {
if ( transacted && !connection.isClosed() ) {
connection.rollback();
}
}
catch( Exception ignore ) {
log.info( "unable to rollback connection on exception [" + ignore + "]" );
}
if ( t instanceof HibernateException ) {
throw ( HibernateException ) t;
if ( e instanceof HibernateException ) {
throw ( HibernateException ) e;
}
else if ( e instanceof SQLException ) {
throw JDBCExceptionHelper.convert(
sqlExceptionConverter(),
( SQLException ) e,
"error performing isolated work"
);
}
else {
throw new HibernateException( "error performing isolated work", e );
}
}
else if ( t instanceof SQLException ) {
throw JDBCExceptionHelper.convert(
session.getFactory().getSQLExceptionConverter(),
( SQLException ) t,
"error performing isolated work"
);
}
else {
throw new HibernateException( "error performing isolated work", t );
}
}
finally {
if ( connection != null ) {
finally {
if ( transacted && wasAutoCommit ) {
try {
connection.setAutoCommit( true );
}
catch( Throwable ignore ) {
catch( Exception ignore ) {
log.trace( "was unable to reset connection back to auto-commit" );
}
}
session.getBatcher().closeConnection( connection );
try {
session.getFactory().getConnectionProvider().closeConnection( connection );
}
catch ( Exception ignore ) {
log.info( "Unable to release isolated connection [" + ignore + "]" );
}
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
sqlExceptionConverter(),
sqle,
"unable to obtain isolated JDBC connection"
);
}
}
private SQLExceptionConverter sqlExceptionConverter() {
return session.getFactory().getSQLExceptionConverter();
}
}
}

4
core/src/main/java/org/hibernate/jdbc/Batcher.java
View File

@ -165,10 +165,14 @@ public interface Batcher {
/**
* Obtain a JDBC connection
*
* @deprecated Obtain connections from {@link ConnectionProvider} instead
*/
public Connection openConnection() throws HibernateException;
/**
* Dispose of the JDBC connection
*
* @deprecated Obtain connections from {@link ConnectionProvider} instead
*/
public void closeConnection(Connection conn) throws HibernateException;