private DbExpression VisitUnary(DbUnaryExpression expression, Func <DbExpression, DbExpression> callback)
{
DbExpression result = expression;
DbExpression newArgument = this.VisitExpression(expression.Argument);
if (!object.ReferenceEquals(expression.Argument, newArgument))
{
result = callback(newArgument);
}
NotifyIfChanged(expression, result);
return(result);
}
private DbExpression VisitTypeUnary(DbUnaryExpression expression, TypeUsage type, Func <DbExpression, TypeUsage, DbExpression> callback)
{
DbExpression result = expression;
DbExpression newArgument = this.VisitExpression(expression.Argument);
TypeUsage newType = this.VisitTypeUsage(type);
if (!object.ReferenceEquals(expression.Argument, newArgument) ||
!object.ReferenceEquals(type, newType))
{
result = callback(newArgument, newType);
}
NotifyIfChanged(expression, result);
return(result);
}
//internal virtual void VisitRelatedEntityReference(DbRelatedEntityRef relatedEntityRef)
//{
// VisitExpression(relatedEntityRef.TargetEntityReference);
//}
//internal virtual void VisitRelatedEntityReferenceList(IList<DbRelatedEntityRef> relatedEntityReferences)
//{
// for (int i = 0; i < relatedEntityReferences.Count; i++)
// {
// VisitRelatedEntityReference(relatedEntityReferences[i]);
// }
//}
protected virtual void VisitUnaryExpression(DbUnaryExpression expression)
{
if (expression == null) throw new ArgumentException("expression");
VisitExpression(expression.Argument);
}
/// <summary>
/// Convenience method to visit the specified <see cref="DbUnaryExpression"/>.
/// </summary>
/// <param name="expression">The DbUnaryExpression to visit.</param>
/// <exception cref="ArgumentNullException"><paramref name="expression"/> is null</exception>
protected virtual void VisitUnaryExpression(DbUnaryExpression expression)
{
VisitExpression(ADP1.CheckArgumentNull(expression, "expression").Argument);
}
private void BeginUnary(DbUnaryExpression e)
{
Begin(e);
Begin("Argument");
Dump(e.Argument);
End("Argument");
}
private void VisitCastOrTreat(DbUnaryExpression e)
{
VisitExprKind(e.ExpressionKind);
_key.Append('(');
e.Argument.Accept(this);
_key.Append(":");
_key.Append(e.ResultType.Identity);
_key.Append(')');
}
private void VisitUnary(DbUnaryExpression expr)
{
VisitExprKind(expr.ExpressionKind);
_key.Append('(');
expr.Argument.Accept(this);
_key.Append(')');
}
/// <summary>
/// Convenience method to visit the specified <see cref="DbUnaryExpression"/>.
/// </summary>
/// <param name="expression">The DbUnaryExpression to visit.</param>
/// <exception cref="ArgumentNullException"><paramref name="expression"/> is null</exception>
protected virtual void VisitUnaryExpression(DbUnaryExpression expression)
{
VisitExpression(EntityUtil.CheckArgumentNull(expression, "expression").Argument);
}
/// <summary>
/// Convenience method to visit the specified <see cref="DbUnaryExpression"/>.
/// </summary>
/// <param name="expression">The DbUnaryExpression to visit.</param>
/// <exception cref="ArgumentNullException"><paramref name="expression"/> is null</exception>
protected virtual void VisitUnaryExpression(DbUnaryExpression expression)
{
//Contract.Requires(expression != null);
VisitExpression(expression.Argument);
}
