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Fix possible issue with async code for delayed entity inserts #2233

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Merged
hazzik merged 4 commits into from
Oct 1, 2019
Merged

Fix possible issue with async code for delayed entity inserts #2233

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2219658
Fix possible issue with async code for delayed entity inserts
bahusoid Sep 30, 2019
29d8b08
fix CI builds
bahusoid Sep 30, 2019
b1ebcb0
Lock free version
bahusoid Sep 30, 2019
e8937ff
Use Interlocked.Increment
bahusoid Oct 1, 2019
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13 changes: 3 additions & 10 deletions src/NHibernate/Action/DelayedPostInsertIdentifier.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
using System;
using System.Threading;

namespace NHibernate.Action
{
Expand All @@ -15,20 +16,12 @@ namespace NHibernate.Action
[Serializable]
public class DelayedPostInsertIdentifier
{
[ThreadStatic]
private static long _Sequence = 0;
private static long GlobalSequence = 0;
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private readonly long sequence;

public DelayedPostInsertIdentifier()
{
lock (typeof(DelayedPostInsertIdentifier))
{
if (_Sequence == long.MaxValue)
{
_Sequence = 0;
}
sequence = _Sequence++;
}
sequence = Interlocked.Increment(ref GlobalSequence);
}

public override bool Equals(object obj)
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16 changes: 3 additions & 13 deletions src/NHibernate/Action/EntityIdentityInsertAction.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@ namespace NHibernate.Action
[Serializable]
public sealed partial class EntityIdentityInsertAction : AbstractEntityInsertAction
{
private readonly object lockObject = new object();
private readonly bool isDelayed;
private readonly EntityKey delayedEntityKey;
//private CacheEntry cacheEntry;
Expand All @@ -19,7 +18,9 @@ public EntityIdentityInsertAction(object[] state, object instance, IEntityPersis
: base(null, state, instance, persister, session)
{
this.isDelayed = isDelayed;
delayedEntityKey = this.isDelayed ? GenerateDelayedEntityKey() : null;
delayedEntityKey = this.isDelayed
? Session.GenerateEntityKey(new DelayedPostInsertIdentifier(), Persister)
: null;
}

public object GeneratedId
Expand All @@ -32,17 +33,6 @@ public EntityKey DelayedEntityKey
get { return delayedEntityKey; }
}

private EntityKey GenerateDelayedEntityKey()
{
lock (lockObject)
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{
if (!isDelayed)
throw new HibernateException("Cannot request delayed entity-key for non-delayed post-insert-id generation");

return Session.GenerateEntityKey(new DelayedPostInsertIdentifier(), Persister);
}
}

protected internal override bool HasPostCommitEventListeners
{
get
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