org.jooq.TransactionProvider Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq;
import java.sql.Savepoint;
import org.jooq.exception.DataAccessException;
import org.jooq.impl.DefaultTransactionProvider;
/**
* The TransactionProvider SPI can be used to implement custom
* transaction behaviour that is applied when calling
* {@link DSLContext#transactionResult(TransactionalCallable)} or
* {@link DSLContext#transaction(TransactionalRunnable)}.
*
* A new {@link Configuration} copy is created from the calling
* {@link DSLContext} for the scope of a single transactions. Implementors may
* freely add custom data to {@link Configuration#data()}, in order to share
* information between {@link #begin(TransactionContext)} and
* {@link #commit(TransactionContext)} or {@link #rollback(TransactionContext)},
* as well as to share information with nested transactions.
*
* Implementors may freely choose whether they support nested transactions. An
* example implementation supporting nested transactions is
* {@link DefaultTransactionProvider}, which implements such transactions using
* JDBC {@link Savepoint}s.
*
* @author Lukas Eder
*/
public interface TransactionProvider {
/**
* Begin a new transaction.
*
* This method begins a new transaction with a {@link Configuration} scoped
* for this transaction. The resulting {@link Transaction} object may be
* used by implementors to identify the transaction when
* {@link #commit(TransactionContext)} or
* {@link #rollback(TransactionContext)} is called.
*
* @param Configuration the configuration scoped to this transaction and its
* nested transactions.
* @throws DataAccessException Any exception issued by the underlying
* database.
*/
void begin(TransactionContext ctx) throws DataAccessException;
/**
* @param Configuration the configuration scoped to this transaction and its
* nested transactions.
* @param transaction The user-defined transaction object returned from
* {@link #begin(TransactionContext)}. May be null.
* @throws DataAccessException Any exception issued by the underlying
* database.
*/
void commit(TransactionContext ctx) throws DataAccessException;
/**
* @param Configuration the configuration scoped to this transaction and its
* nested transactions.
* @param transaction The user-defined transaction object returned from
* {@link #begin(TransactionContext)}. May be null.
* @param cause The exception that has caused the rollback.
* @throws DataAccessException Any exception issued by the underlying
* database.
*/
void rollback(TransactionContext ctx) throws DataAccessException;
}