using System;

using System.Collections.Generic;

using System.Collections;

using System.Linq;

using System.Text;

using System.Linq.Expressions;



namespace Atlassian.Jira.Linq

{

    public class JiraQueryable<T>: IOrderedQueryable<T>, IQueryable<T>

    {

        private readonly JiraQueryProvider _provider;

        private readonly Expression _expression;



        public JiraQueryable(JiraQueryProvider provider)

        {

            this._provider = provider;

            this._expression = Expression.Constant(this);

        }



        public JiraQueryable(JiraQueryProvider provider, Expression expression)

        {

            _provider = provider;

            _expression = expression;

        }



        public IEnumerator<T> GetEnumerator()

        {

            return ((IEnumerable<T>)_provider.Execute(this.Expression)).GetEnumerator();

        }



        IEnumerator IEnumerable.GetEnumerator()

        {

            return ((IEnumerable)_provider.Execute(this.Expression)).GetEnumerator();

        }



        public Type ElementType

        {

            get 

            {

                return typeof(T);

            }

        }



        public Expression Expression

        {

            get 

            {

                return _expression;

            }

        }



        public IQueryProvider Provider

        {

            get 

            {

                return _provider;

            }

        }

    }

}