public override void Visit(DbRefKeyExpression expression)
{
Write(expression);
_depth++;
Write("Argument", expression.Argument);
_depth--;
}
public override Expression Visit(DbRefKeyExpression expression)
{
throw new NotImplementedException(
string.Format(
ExceptionMessages.DbExpressionTransformationNotImplemented,
typeof(DbRefKeyExpression).Name));
}
public override void Visit(DbRefKeyExpression e)
{
Check.NotNull(e, "e");
BeginUnary(e);
End(e);
}
public override Expression Visit(DbRefKeyExpression expression)
{
throw new NotImplementedException(
string.Format(
ExceptionMessages.DbExpressionTransformationNotImplemented,
typeof(DbRefKeyExpression).Name));
}
/// <summary>
/// Implements the visitor pattern for <see cref="T:System.Data.Common.CommandTrees.DbRefKeyExpression"/>.
/// </summary>
/// <param name="expression">The <see cref="T:System.Data.Common.CommandTrees.DbRefKeyExpression"/> that is visited.</param>
public override void Visit(DbRefKeyExpression expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
expression.Argument.Accept(this);
}
/// <summary>
/// Evaluates a ref key expression based on the result of evaluating the argument to the ref.
/// </summary>
/// <param name="node"> Ref key expression node. </param>
/// <returns> The structural key of the ref as a new instance (record). </returns>
public override PropagatorResult Visit(DbRefKeyExpression node)
{
Check.NotNull(node, "node");
// Retrieve the result of evaluating the child argument.
var argument = Visit(node.Argument);
// Return the argument directly (propagator results treat refs as standard structures)
return(argument);
}
/// <summary>
/// Evaluates a ref key expression based on the result of evaluating the argument to the ref.
/// </summary>
/// <param name="node">Ref key expression node.</param>
/// <returns>The structural key of the ref as a new instance (record).</returns>
public override PropagatorResult Visit(DbRefKeyExpression node)
{
Debug.Assert(null != node, "node is not visited when null");
// Retrieve the result of evaluating the child argument.
PropagatorResult argument = Visit(node.Argument);
// Return the argument directly (propagator results treat refs as standard structures)
return(argument);
}
/// <summary>
/// Visitor pattern method for <see cref="DbRefKeyExpression" />.
/// </summary>
/// <param name="expression"> The DbRefKeyExpression that is being visited. </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="expression" />
/// is null
/// </exception>
public override void Visit(DbRefKeyExpression expression)
{
Check.NotNull(expression, "expression");
VisitUnaryExpression(expression);
}
public override void Visit(DbRefKeyExpression e)
{
VisitUnary(e);
}
public override TreeNode Visit(DbRefKeyExpression e)
{
Check.NotNull <DbRefKeyExpression>(e, nameof(e));
return(this.VisitUnary((DbUnaryExpression)e, true));
}
public override LegacyCommandTrees.DbExpression Visit(DbRefKeyExpression expression)
{
throw new NotImplementedException();
}
public override object Visit(DbRefKeyExpression expression)
{
this.Visit(expression.Argument);
return(null);
}
public override DbExpression Visit(DbRefKeyExpression expression)
{
System.Diagnostics.Debug.Print("Visit(DbRefKeyExpression): {0}", expression);
return(base.Visit(expression));
}
public override void Visit(DbRefKeyExpression expression)
{
Contract.Requires(expression != null);
}
/// <summary> /// Visitor pattern method for DbRefKeyExpression. /// </summary> /// <param name="expression"> The DbRefKeyExpression that is being visited. </param> /// <returns> An instance of TResultType. </returns> public abstract TResultType Visit(DbRefKeyExpression expression);
public override ViewValidator.DbExpressionEntitySetInfo Visit(
DbRefKeyExpression expression)
{
Check.NotNull <DbRefKeyExpression>(expression, nameof(expression));
return((ViewValidator.DbExpressionEntitySetInfo)null);
}
public override void Visit(DbRefKeyExpression e)
{
Check.NotNull <DbRefKeyExpression>(e, nameof(e));
this.VisitUnary((DbUnaryExpression)e);
}
public override void Visit(DbRefKeyExpression expression) { }
public override DbExpression Visit(DbRefKeyExpression expression)
{
System.Diagnostics.Debug.Print("Visit(DbRefKeyExpression): {0}", expression);
return base.Visit(expression);
}
public override TReturn Visit(DbRefKeyExpression expression)
{
Check.NotNull <DbRefKeyExpression>(expression, nameof(expression));
throw this.ConstructNotSupportedException((DbExpression)expression);
}
public override TreeNode Visit(DbRefKeyExpression e)
{
return(this.VisitUnary(e, true));
}
public override void Visit(DbRefKeyExpression expression)
{
this.VisitUnaryExpression((DbUnaryExpression)expression);
}
/// <summary> /// Visitor pattern method for DbRefKeyExpression. /// </summary> /// <param name="expression"> The DbRefKeyExpression that is being visited. </param> public abstract void Visit(DbRefKeyExpression expression);
public override VfpExpression Visit(DbRefKeyExpression expression)
{
return(new VfpRefKeyExpression(expression.ResultType, expression.Argument.Accept(this)));
}
public override bool Visit(DbRefKeyExpression expression)
{
Check.NotNull <DbRefKeyExpression>(expression, nameof(expression));
return(this.VisitUnaryExpression((DbUnaryExpression)expression));
}
public override DbExpressionEntitySetInfo Visit(DbRefKeyExpression expression)
{
Check.NotNull(expression, "expression");
return(null);
}
/// <summary> /// Visitor pattern method for DbRefKeyExpression. /// </summary> /// <param name="expression"> The DbRefKeyExpression that is being visited. </param> public abstract void Visit(DbRefKeyExpression expression);
public override void Visit(DbRefKeyExpression e)
{
BeginUnary(e);
End(e);
}
public override void Visit(DbRefKeyExpression expression)
{
throw new NotSupportedException("Visit(\"DbRefKeyExpression\") is not supported.");
}
public override void Visit(DbRefKeyExpression expression)
{
VisitUnaryExpression(expression);
}
public override void Visit(DbRefKeyExpression expression)
{
throw new NotSupportedException("Visit(\"RefKeyExpression\") is not supported.");
}
public override bool Visit(DbRefKeyExpression expression)
{
return(VisitUnaryExpression(expression));
}
public override void Visit(DbRefKeyExpression expression)
{
VisitUnaryExpression(expression);
}
public override TReturn Visit(DbRefKeyExpression expression)
{
Check.NotNull(expression, "expression");
throw ConstructNotSupportedException(expression);
}
public override void Visit(DbRefKeyExpression e)
{
VisitUnary(e);
}
public override TreeNode Visit(DbRefKeyExpression e)
{
Check.NotNull(e, "e");
return(VisitUnary(e, true));
}
public override ISqlFragment Visit(DbRefKeyExpression e)
{
throw new NotSupportedException();
}
/// <summary>
/// <see cref="VisitUnaryExpression" />
/// </summary>
/// <param name="expression"> The DbRefKeyExpression that is being visited. </param>
/// <returns> </returns>
public override bool Visit(DbRefKeyExpression expression)
{
Check.NotNull(expression, "expression");
return(VisitUnaryExpression(expression));
}
public override void Visit(DbRefKeyExpression e)
{
Check.NotNull(e, "e");
VisitUnary(e);
}
public override TReturn Visit(DbRefKeyExpression expression)
{
throw ConstructNotSupportedException(expression);
}
public override DbExpressionEntitySetInfo Visit(DbRefKeyExpression expression)
{
return(null);
}
/// <summary>
/// Implements the visitor pattern for <see cref="T:System.Data.Common.CommandTrees.DbRefKeyExpression"/>.
/// </summary>
/// <param name="expression">The <see cref="T:System.Data.Common.CommandTrees.DbRefKeyExpression"/> that is visited.</param>
public override void Visit(DbRefKeyExpression expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
expression.Argument.Accept(this);
}