protected internal override Expression VisitTypeFieldInit(TypeEntityExpression typeFie)
{
return(Expression.Condition(
Expression.NotEqual(Visit(NullifyColumn(typeFie.ExternalId)), NullId),
Expression.Constant(typeFie.TypeValue, typeof(Type)),
NullType));
}
private static Expression TypeFieFieEquals(TypeEntityExpression typeFie1, TypeEntityExpression typeFie2)
{
if (typeFie1.TypeValue != typeFie2.TypeValue)
{
return(False);
}
return(Expression.And(NotEqualToNull(typeFie1.ExternalId), NotEqualToNull(typeFie2.ExternalId)));
}
protected internal virtual Expression VisitTypeEntity(TypeEntityExpression typeFie)
{
var externalId = (PrimaryKeyExpression)Visit(typeFie.ExternalId);
if (externalId != typeFie.ExternalId)
{
return(new TypeEntityExpression(externalId, typeFie.TypeValue));
}
return(typeFie);
}
private static Expression TypeFieIbEquals(TypeEntityExpression typeFie, TypeImplementedByExpression typeIb)
{
var externalId = typeIb.TypeImplementations.TryGetC(typeFie.TypeValue);
if (externalId == null)
{
return(False);
}
return(Expression.And(NotEqualToNull(typeFie.ExternalId), NotEqualToNull(externalId)));
}
private static Expression TypeConstantFieEquals(ConstantExpression ce, TypeEntityExpression typeFie)
{
if (ce.IsNull())
{
return(EqualsToNull(typeFie.ExternalId));
}
if (((Type)ce.Value == typeFie.TypeValue))
{
return(NotEqualToNull(typeFie.ExternalId));
}
return(False);
}
private bool IsCacheable(Expression newTypeId)
{
TypeEntityExpression tfie = newTypeId as TypeEntityExpression;
if (tfie != null)
{
return(IsCached(tfie.TypeValue));
}
TypeImplementedByExpression tibe = newTypeId as TypeImplementedByExpression;
if (tibe != null)
{
return(tibe.TypeImplementations.All(t => IsCached(t.Key)));
}
return(false);
}
protected internal override Expression VisitTypeEntity(TypeEntityExpression typeFie)
{
throw InvalidSqlExpression(typeFie);
}
protected virtual bool CompareTypeFieldInit(TypeEntityExpression a, TypeEntityExpression b)
{
return(a.TypeValue == b.TypeValue &&
Compare(a.ExternalId, b.ExternalId));
}
protected internal override Expression VisitTypeFieldInit(TypeEntityExpression typeFie)
{
return(base.VisitTypeFieldInit(typeFie));
}
private static Expression TypeFieIbaEquals(TypeEntityExpression typeFie, TypeImplementedByAllExpression typeIba)
{
return Expression.And(NotEqualToNull(typeFie.ExternalId), EqualNullable(typeIba.TypeColumn, QueryBinder.TypeConstant(typeFie.TypeValue)));
}
private static Expression TypeFieIbEquals(TypeEntityExpression typeFie, TypeImplementedByExpression typeIb)
{
var externalId = typeIb.TypeImplementations.TryGetC(typeFie.TypeValue);
if (externalId == null)
return False;
return Expression.And(NotEqualToNull(typeFie.ExternalId), NotEqualToNull(externalId));
}
private static Expression TypeFieFieEquals(TypeEntityExpression typeFie1, TypeEntityExpression typeFie2)
{
if (typeFie1.TypeValue != typeFie2.TypeValue)
return False;
return Expression.And(NotEqualToNull(typeFie1.ExternalId), NotEqualToNull(typeFie2.ExternalId));
}
private static Expression TypeConstantFieEquals(ConstantExpression ce, TypeEntityExpression typeFie)
{
if (ce.IsNull())
return EqualsToNull(typeFie.ExternalId);
if (((Type)ce.Value == typeFie.TypeValue))
return NotEqualToNull(typeFie.ExternalId);
return False;
}
protected virtual Expression VisitTypeFieldInit(TypeEntityExpression typeFie)
{
var externalId = Visit(typeFie.ExternalId);
if (externalId != typeFie.ExternalId)
return new TypeEntityExpression(externalId, typeFie.TypeValue);
return typeFie;
}
protected override Expression VisitTypeFieldInit(TypeEntityExpression typeFie)
{
return base.VisitTypeFieldInit(typeFie);
}
private static Expression TypeFieIbaEquals(TypeEntityExpression typeFie, TypeImplementedByAllExpression typeIba)
{
return(Expression.And(NotEqualToNull(typeFie.ExternalId), EqualNullable(typeIba.TypeColumn, QueryBinder.TypeConstant(typeFie.TypeValue))));
}
protected override Expression VisitTypeFieldInit(TypeEntityExpression typeFie)
{
throw InvalidSqlExpression(typeFie);
}