93 lines
2.2 KiB
C#
93 lines
2.2 KiB
C#
/********************************************************
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* ADO.NET 2.0 Data Provider for SQLite Version 3.X
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* Written by Robert Simpson (robert@blackcastlesoft.com)
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*
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* Released to the public domain, use at your own risk!
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********************************************************/
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#if !PLATFORM_COMPACTFRAMEWORK
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namespace Mono.Data.Sqlite
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{
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using System;
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using System.Data;
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using System.Data.Common;
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using System.Transactions;
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internal class SQLiteEnlistment : IEnlistmentNotification
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{
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internal SqliteTransaction _transaction;
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internal Transaction _scope;
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internal bool _disposeConnection;
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internal SQLiteEnlistment(SqliteConnection cnn, Transaction scope)
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{
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_transaction = cnn.BeginTransaction();
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_scope = scope;
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_disposeConnection = false;
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_scope.EnlistVolatile(this, System.Transactions.EnlistmentOptions.None);
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}
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private void Cleanup(SqliteConnection cnn)
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{
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if (_disposeConnection)
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cnn.Dispose();
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_transaction = null;
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_scope = null;
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}
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#region IEnlistmentNotification Members
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public void Commit(Enlistment enlistment)
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{
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SqliteConnection cnn = _transaction.Connection;
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cnn._enlistment = null;
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try
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{
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_transaction.IsValid(true);
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_transaction.Connection._transactionLevel = 1;
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_transaction.Commit();
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enlistment.Done();
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}
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finally
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{
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Cleanup(cnn);
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}
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}
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public void InDoubt(Enlistment enlistment)
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{
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enlistment.Done();
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}
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public void Prepare(PreparingEnlistment preparingEnlistment)
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{
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if (_transaction.IsValid(false) == false)
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preparingEnlistment.ForceRollback();
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else
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preparingEnlistment.Prepared();
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}
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public void Rollback(Enlistment enlistment)
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{
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SqliteConnection cnn = _transaction.Connection;
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cnn._enlistment = null;
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try
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{
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_transaction.Rollback();
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enlistment.Done();
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}
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finally
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{
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Cleanup(cnn);
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}
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}
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#endregion
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}
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}
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#endif // !PLATFORM_COMPACT_FRAMEWORK |