public override void ExplicitVisit(BooleanTernaryExpression node)
{
base.ExplicitVisit(node);
ReplaceExpression(node, n => n.FirstExpression);
ReplaceExpression(node, n => n.SecondExpression);
ReplaceExpression(node, n => n.ThirdExpression);
}
public void TestSimpleAnd()
{
var expr = new BooleanTernaryExpression(new Property(nameof(Condition))).FillInSecond(new Property("Then")).FillInThird(new Property("Else"));
Condition = true;
Assert.That(expr.Evaluate(new Reflection(this)), Is.EqualTo("then"));
Condition = false;
Assert.That(expr.Evaluate(new Reflection(this)), Is.EqualTo("else"));
}
public void TestSimpleAnd()
{
var expr = new BooleanTernaryExpression(new Property(nameof(Condition))).FillInSecond(new Property("Then")).FillInThird(new Property("Else"));
Condition = true;
Assert.That(expr.Evaluate(new Reflection(this)), Is.EqualTo("then"));
Condition = false;
Assert.That(expr.Evaluate(new Reflection(this)), Is.EqualTo("else"));
}
public override void ExplicitVisit(BooleanTernaryExpression node)
{
node.FirstExpression.Accept(this);
if (node.TernaryExpressionType == BooleanTernaryExpressionType.Between)
{
_buffer.Append(" between ");
}
else if (node.TernaryExpressionType == BooleanTernaryExpressionType.NotBetween)
{
_buffer.Append(" not between ");
}
node.SecondExpression.Accept(this);
_buffer.Append(" and ");
node.ThirdExpression.Accept(this);
}
public QsiExpressionNode VisitBooleanTernaryExpression(BooleanTernaryExpression booleanTernaryExpression)
{
var invoke = TreeHelper.Create <QsiInvokeExpressionNode>(n =>
{
n.Member.SetValue(TreeHelper.CreateFunction(SqlServerKnownFunction.Ternary));
n.Parameters.Add(VisitScalarExpression(booleanTernaryExpression.FirstExpression));
n.Parameters.Add(VisitScalarExpression(booleanTernaryExpression.SecondExpression));
n.Parameters.Add(VisitScalarExpression(booleanTernaryExpression.ThirdExpression));
});
var operand = booleanTernaryExpression.TernaryExpressionType switch
{
BooleanTernaryExpressionType.Between => SqlServerKnownOperator.Between,
BooleanTernaryExpressionType.NotBetween => SqlServerKnownOperator.NotBetween,
_ => throw new InvalidOperationException()
};
return(TreeHelper.CreateUnary(operand, invoke));
}
public override void Visit(BooleanTernaryExpression node) { this.action(node); }
public override void ExplicitVisit(BooleanTernaryExpression fragment)
{
_fragments.Add(fragment);
}
