private string GetFieldName(Net.Vpc.Upa.Field field)
{
return((absoluteNames) ? field.GetAbsoluteName() : field.GetName());
}
public virtual int Update(Net.Vpc.Upa.Entity entity, Net.Vpc.Upa.Persistence.EntityExecutionContext context, Net.Vpc.Upa.Record updates, Net.Vpc.Upa.Expressions.Expression condition) /* throws Net.Vpc.Upa.Exceptions.UPAException */
{
Net.Vpc.Upa.Expressions.Update u = new Net.Vpc.Upa.Expressions.Update().Entity(entity.GetName());
foreach (string fieldName in updates.KeySet())
{
Net.Vpc.Upa.Field f = entity.FindField(fieldName);
if (f != null && Net.Vpc.Upa.Impl.Util.Filters.Fields2.UPDATE.Accept(f))
{
object @value = updates.GetObject <T>(fieldName);
if ((f.GetDataType() is Net.Vpc.Upa.Types.ManyToOneType))
{
Net.Vpc.Upa.Types.ManyToOneType e = (Net.Vpc.Upa.Types.ManyToOneType)f.GetDataType();
if (e.IsUpdatable())
{
Net.Vpc.Upa.Entity masterEntity = context.GetPersistenceUnit().GetEntity(e.GetTargetEntityName());
Net.Vpc.Upa.EntityBuilder mbuilder = masterEntity.GetBuilder();
if (@value is Net.Vpc.Upa.Expressions.Expression)
{
Net.Vpc.Upa.Expressions.Expression evalue;
System.Collections.Generic.IList <Net.Vpc.Upa.Field> sfields = e.GetRelationship().GetSourceRole().GetFields();
System.Collections.Generic.IList <Net.Vpc.Upa.Field> tfields = e.GetRelationship().GetTargetRole().GetFields();
for (int i = 0; i < (sfields).Count; i++)
{
Net.Vpc.Upa.Field fk = sfields[i];
Net.Vpc.Upa.Field fid = tfields[i];
evalue = ((Net.Vpc.Upa.Expressions.Expression)@value).Copy();
evalue = context.GetPersistenceUnit().GetExpressionManager().ParseExpression(evalue);
if (evalue is Net.Vpc.Upa.Expressions.Select)
{
Net.Vpc.Upa.Expressions.Select svalue = (Net.Vpc.Upa.Expressions.Select)evalue;
if (svalue.CountFields() != 1)
{
throw new System.Exception("Invalid Expression " + svalue + " as formula for field " + f.GetAbsoluteName());
}
if (svalue.GetField(0).GetExpression() is Net.Vpc.Upa.Expressions.Var)
{
svalue.GetField(0).SetExpression(new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)svalue.GetField(0).GetExpression(), fid.GetName()));
}
else
{
throw new System.Exception("Invalid Expression " + svalue + " as formula for field " + f.GetAbsoluteName());
}
}
else if (evalue is Net.Vpc.Upa.Expressions.Var)
{
evalue = (new Net.Vpc.Upa.Expressions.Var((Net.Vpc.Upa.Expressions.Var)evalue, fk.GetName()));
}
else if (evalue is Net.Vpc.Upa.Expressions.Param)
{
}
else if (evalue is Net.Vpc.Upa.Expressions.Literal)
{
}
else
{
throw new System.Exception("Invalid Expression " + evalue + " as formula for field " + f.GetAbsoluteName());
}
u.Set(fk.GetName(), evalue);
}
}
else
{
Net.Vpc.Upa.Key k = null;
if (@value is Net.Vpc.Upa.Record)
{
k = mbuilder.RecordToKey((Net.Vpc.Upa.Record)@value);
}
else
{
k = mbuilder.ObjectToKey(@value);
}
int x = 0;
foreach (Net.Vpc.Upa.Field fk in e.GetRelationship().GetSourceRole().GetFields())
{
u.Set(fk.GetName(), new Net.Vpc.Upa.Expressions.Param(fk.GetName(), k == null ? null : k.GetObjectAt(x)));
x++;
}
}
}
}
else
{
Net.Vpc.Upa.Expressions.Expression expression = (@value is Net.Vpc.Upa.Expressions.Expression) ? ((Net.Vpc.Upa.Expressions.Expression)((Net.Vpc.Upa.Expressions.Expression)@value)) : new Net.Vpc.Upa.Expressions.Param(null, @value);
u.Set(fieldName, expression);
}
}
}
u.Where(condition);
return(context.GetPersistenceStore().CreateQuery(u, context).ExecuteNonQuery());
}
