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//
// ResourceManager representing an integer, used by other test cases
//
// Author:
// Ankit Jain <JAnkit@novell.com>
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
using System;
using System.Collections.Generic;
using System.Text;
using System.Transactions;
using NUnit.Framework;
namespace MonoTests.System.Transactions
{
public class IntResourceManager
{
public IntResourceManager (int value)
{
actual = value;
guid = Guid.NewGuid ();
}
private int actual;
private int tmpValue;
private Transaction transaction = null;
public int NumPrepare = 0;
public int NumRollback = 0;
public int NumCommit = 0;
public int NumInDoubt = 0;
public int NumSingle = 0;
public bool FailPrepare = false;
public bool FailWithException = false;
public bool IgnorePrepare = false;
public bool Volatile = true;
public bool IgnoreSPC = false;
public bool FailSPC = false;
public bool FailCommit = false;
public bool UseSingle = false;
Guid guid;
public int Actual {
get { return actual; }
}
public int Value {
get { return transaction == null ? actual : tmpValue; }
set
{
if (Transaction.Current == null) {
/* Not in a transaction */
actual = value;
return;
}
/* FIXME: Do what in this case? */
if (transaction != null)
Console.WriteLine ("WARNING: Setting value more than once");
if (transaction != Transaction.Current) {
transaction = Transaction.Current;
if (UseSingle) {
SinglePhaseNotification enlistment = new SinglePhaseNotification ( this );
if ( Volatile )
transaction.EnlistVolatile ( enlistment, EnlistmentOptions.None );
else
transaction.EnlistDurable ( guid, enlistment, EnlistmentOptions.None );
} else {
EnlistmentNotification enlistment = new EnlistmentNotification ( this );
if ( Volatile )
transaction.EnlistVolatile ( enlistment, EnlistmentOptions.None );
else
transaction.EnlistDurable ( guid, enlistment, EnlistmentOptions.None );
}
}
tmpValue = value;
}
}
public void Commit ()
{
actual = tmpValue;
transaction = null;
}
public void Rollback ()
{
transaction = null;
}
public void CheckSPC ( string msg )
{
Check ( 1, 0, 0, 0, 0, msg );
}
public void Check2PC ( string msg)
{
Check ( 0, 1, 1, 0, 0, msg );
}
public void Check ( int s, int p, int c, int r, int d, string msg )
{
Assert.AreEqual ( s, NumSingle, msg + ": NumSingle" );
Assert.AreEqual ( p, NumPrepare, msg + ": NumPrepare" );
Assert.AreEqual ( c, NumCommit, msg + ": NumCommit" );
Assert.AreEqual ( r, NumRollback, msg + ": NumRollback" );
Assert.AreEqual ( d, NumInDoubt, msg + ": NumInDoubt" );
}
/* Used for volatile RMs */
public void Check ( int p, int c, int r, int d, string msg )
{
Check ( 0, p, c, r, d, msg );
}
}
public class EnlistmentNotification : IEnlistmentNotification {
protected IntResourceManager resource;
public EnlistmentNotification ( IntResourceManager resource )
{
this.resource = resource;
}
public void Prepare ( PreparingEnlistment preparingEnlistment )
{
resource.NumPrepare++;
if ( resource.IgnorePrepare )
return;
if ( resource.FailPrepare ) {
if (resource.FailWithException)
preparingEnlistment.ForceRollback ( new NotSupportedException () );
else
preparingEnlistment.ForceRollback ();
} else {
preparingEnlistment.Prepared ();
}
}
public void Commit ( Enlistment enlistment )
{
resource.NumCommit++;
if ( resource.FailCommit )
return;
resource.Commit ();
enlistment.Done ();
}
public void Rollback ( Enlistment enlistment )
{
resource.NumRollback++;
resource.Rollback ();
}
public void InDoubt ( Enlistment enlistment )
{
resource.NumInDoubt++;
throw new Exception ( "IntResourceManager.InDoubt is not implemented." );
}
}
public class SinglePhaseNotification : EnlistmentNotification, ISinglePhaseNotification
{
public SinglePhaseNotification ( IntResourceManager resource )
: base ( resource )
{
}
public void SinglePhaseCommit ( SinglePhaseEnlistment enlistment )
{
resource.NumSingle++;
if ( resource.IgnoreSPC )
return;
if ( resource.FailSPC ) {
if ( resource.FailWithException )
enlistment.Aborted ( new NotSupportedException () );
else
enlistment.Aborted ();
}
else {
resource.Commit ();
enlistment.Committed ();
}
}
}
}
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