private object DoSave(
object theObj,
Key key,
IClassPersister persister,
bool replicate,
bool useIdentityColumn,
Cascades.CascadingAction cascadeAction,
object anything )
{
if( persister.ImplementsValidatable )
{
( ( IValidatable ) theObj ).Validate();
}
object id;
if( useIdentityColumn )
{
id = null;
ExecuteInserts();
}
else
{
id = key.Identifier;
}
// Put a placeholder in entries, so we don't recurse back to try and Save() the
// same object again. QUESTION: Should this be done before OnSave() is called?
// likewise, should it be done before OnUpdate()?
AddEntry( theObj, Status.Saving, null, id, null, LockMode.Write, useIdentityColumn, persister, false ); // okay if id is null here
// cascade-save to many-to-one BEFORE the parent is saved
cascading++;
try
{
Cascades.Cascade( this, persister, theObj, cascadeAction, CascadePoint.CascadeBeforeInsertAfterDelete, anything );
}
finally
{
cascading--;
}
object[ ] values = persister.GetPropertyValues( theObj );
IType[ ] types = persister.PropertyTypes;
bool substitute = false;
if( !replicate )
{
substitute = interceptor.OnSave( theObj, id, values, persister.PropertyNames, types );
// Keep the existing version number in the case of replicate!
if( persister.IsVersioned )
{
// IsUnsavedVersion bit below is NHibernate-specific
substitute = Versioning.SeedVersion(
values, persister.VersionProperty, persister.VersionType, persister.IsUnsavedVersion( values )
) || substitute;
}
}
if( persister.HasCollections )
{
// TODO: make OnReplicateVisitor extend WrapVisitor
if( replicate )
{
OnReplicateVisitor visitor = new OnReplicateVisitor( this, id );
visitor.ProcessValues( values, types );
}
WrapVisitor visitor2 = new WrapVisitor( this );
// substitutes into values by side-effect
visitor2.ProcessValues( values, types );
substitute = substitute || visitor2.IsSubstitutionRequired;
}
if( substitute )
{
persister.SetPropertyValues( theObj, values );
}
TypeFactory.DeepCopy( values, types, persister.PropertyUpdateability, values );
NullifyTransientReferences( values, types, useIdentityColumn, theObj );
CheckNullability( values, persister, false );
if( useIdentityColumn )
{
ScheduledIdentityInsertion insert = new ScheduledIdentityInsertion( values, theObj, persister, this );
Execute( insert );
id = insert.GeneratedId;
persister.SetIdentifier( theObj, id );
key = new Key( id, persister );
CheckUniqueness( key, theObj );
}
object version = Versioning.GetVersion( values, persister );
AddEntity( key, theObj );
AddEntry( theObj, Status.Loaded, values, id, version, LockMode.Write, useIdentityColumn, persister, replicate );
nonExists.Remove( key );
if( !useIdentityColumn )
{
insertions.Add( new ScheduledInsertion( id, values, theObj, version, persister, this ) );
}
// cascade-save to collections AFTER the collection owner was saved
cascading++;
try
{
Cascades.Cascade( this, persister, theObj, cascadeAction, CascadePoint.CascadeAfterInsertBeforeDelete, anything );
}
finally
{
cascading--;
}
return id;
}
private object DoSave(
object obj,
object id,
IClassPersister persister,
bool useIdentityColumn,
Cascades.CascadingAction cascadeAction,
object anything )
{
if( log.IsDebugEnabled )
{
log.Debug( "saving " + MessageHelper.InfoString( persister, id ) );
}
Key key;
if( useIdentityColumn )
{
// if the id is generated by the database, we assign the key later
key = null;
}
else
{
key = new Key( id, persister );
object old = GetEntity( key );
if( old != null )
{
EntityEntry e = GetEntry( old );
if( e.Status == Status.Deleted )
{
ForceFlush( e );
}
else
{
throw new NonUniqueObjectException( id, persister.MappedClass );
}
}
persister.SetIdentifier( obj, id );
}
// Sub-insertions should occur before containing insertsion so
// Try to do the callback not
if( persister.ImplementsLifecycle )
{
log.Debug( "calling OnSave()" );
if( ( ( ILifecycle ) obj ).OnSave( this ) == LifecycleVeto.Veto )
{
log.Debug( "insertion vetoed by OnSave()" );
return id;
}
}
return DoSave( obj, key, persister, false, useIdentityColumn, cascadeAction, anything );
}