public virtual Net.Vpc.Upa.Impl.Persistence.RebuildExpressionInfo RebuildExpression(Net.Vpc.Upa.ExpressionFormula persistFormula)
{
Net.Vpc.Upa.Expressions.Expression e = ((Net.Vpc.Upa.ExpressionFormula)persistFormula).GetExpression();
Net.Vpc.Upa.Impl.Persistence.RebuildExpressionInfo rr = new Net.Vpc.Upa.Impl.Persistence.RebuildExpressionInfo();
rr.initialFormula = ((Net.Vpc.Upa.ExpressionFormula)persistFormula);
Net.Vpc.Upa.Expressions.Expression e0 = e;
Net.Vpc.Upa.Persistence.ExpressionCompilerConfig config = new Net.Vpc.Upa.Persistence.ExpressionCompilerConfig();
config.SetExpandEntityFilter(false);
//this is needed not to fire "this" alias usage exception
config.SetThisAlias("this");
config.BindAliastoEntity("this", field.GetEntity().GetName());
Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression ce = null;
Net.Vpc.Upa.ExpressionManager expressionManager = field.GetEntity().GetPersistenceUnit().GetExpressionManager();
try {
ce = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression)expressionManager.CompileExpression(e, config);
} catch (System.ArgumentException ex) {
if ((ex).Message.StartsWith("No enclosing Select found for"))
{
Net.Vpc.Upa.Expressions.Select ss = new Net.Vpc.Upa.Expressions.Select();
ss.Field(e).From(field.GetEntity().GetName(), "this2");
Net.Vpc.Upa.Expressions.Expression w = null;
foreach (Net.Vpc.Upa.Field primaryField in field.GetEntity().GetPrimaryFields())
{
Net.Vpc.Upa.Expressions.Expression pfe = new Net.Vpc.Upa.Expressions.Equals(new Net.Vpc.Upa.Expressions.UserExpression("this." + primaryField.GetName()), new Net.Vpc.Upa.Expressions.UserExpression("this2." + primaryField.GetName()));
if (w == null)
{
w = pfe;
}
else
{
w = new Net.Vpc.Upa.Expressions.And(w, pfe);
}
}
Net.Vpc.Upa.Impl.Uql.Util.UQLUtils.ReplaceThisVar(ss, "this2", expressionManager);
ss.Where(w);
e = ss;
}
else
{
throw ex;
}
}
//throw new IllegalArgumentException("No enclosing Select found for " + v)
if (ce == null)
{
ce = (Net.Vpc.Upa.Impl.Uql.Compiledexpression.DefaultCompiledExpression)expressionManager.CompileExpression(e, config);
rr.compiledExpression = ce;
rr.rebuiltFormula = (new Net.Vpc.Upa.ExpressionFormula(e));
}
else
{
rr.compiledExpression = ce;
}
rr.expression = e;
return(rr);
}