public static NamedExpression CreateFromMemberName(string memberName, Expression innerExpression)
{
LinqUtility.CheckNotNull("memberName", memberName);
LinqUtility.CheckNotNull("innerExpression", innerExpression);
return(new NamedExpression(memberName, innerExpression));
}
public NamedExpression(string name, Expression expression)
{
LinqUtility.CheckNotNull("expression", expression);
Name = name;
Expression = expression;
}
/// <summary>
/// Initializes a new instance of <see cref="ArangoQueryProvider" /> using a custom <see cref="IQueryParser" />.
/// </summary>
public ArangoQueryProvider(Type queryableType, IQueryParser queryParser, IQueryExecutor executor,
IArangoLinq db)
: base(LinqUtility.CheckNotNull("queryParser", queryParser), LinqUtility.CheckNotNull("executor", executor))
{
LinqUtility.CheckNotNull("queryableType", queryableType);
CheckQueryableType(queryableType);
QueryableType = queryableType;
this.db = db;
}
protected override Expression Accept(ExpressionVisitor visitor)
{
LinqUtility.CheckNotNull("visitor", visitor);
var specificVisitor = visitor as INamedExpressionVisitor;
if (specificVisitor != null)
{
return(specificVisitor.VisitNamed(this));
}
return(base.Accept(visitor));
}
protected override Expression VisitChildren(ExpressionVisitor visitor)
{
LinqUtility.CheckNotNull("visitor", visitor);
var newExpression = visitor.Visit(Expression);
if (newExpression != Expression)
{
return(new NamedExpression(Name, newExpression));
}
return(this);
}
public QueryData GetQueryData(Expression expression)
{
LinqUtility.CheckNotNull("expression", expression);
var queryModel = GenerateQueryModel(expression);
var visitor = new ArangoModelVisitor(db);
visitor.VisitQueryModel(queryModel);
visitor.QueryData.Query = visitor.QueryText.ToString();
return(visitor.QueryData);
}
public static Expression CreateNewExpressionWithNamedArguments(IArangoLinq db, NewExpression expression)
{
LinqUtility.CheckNotNull("expression", expression);
return(CreateNewExpressionWithNamedArguments(db, expression, expression.Arguments));
}
