DbExpressions - A Step Towards Independency

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DbExpressions
{
    public static class DbDeleteQueryExtensions
    {

        private static readonly DbExpressionFactory DbExpressionFactory = new DbExpressionFactory();

        /// <summary>
        /// Creates a <see cref="DbQuery{TQueryExpression}"/> that is used to delete data from the database.
        /// </summary>
        /// <param name="dbDeleteQuery">The target <see cref="DbDeleteQuery"/></param>
        /// <param name="targetSelector">A <see cref="Func{T,TResult}"/> used to 
        /// specify the <see cref="DbExpression"/> that represents the target table or view.</param>
        /// <returns><see cref="DbDeleteQuery"/></returns>
        public static DbDeleteQuery Delete(this DbDeleteQuery dbDeleteQuery, Func<DbExpressionFactory, DbExpression> targetSelector)
        {
            return Delete(dbDeleteQuery, targetSelector(DbExpressionFactory));
        }


        /// <summary>
        /// Creates a <see cref="DbQuery{TQueryExpression}"/> that is used to delete data from the database.
        /// </summary>
        /// <param name="dbDeleteQuery">The target <see cref="DbDeleteQuery"/></param>
        /// <param name="target">The <see cref="DbExpression"/> that represents the target table or view.</param>
        /// <returns><see cref="DbQuery{TQueryExpression}"/></returns>
        public static DbDeleteQuery Delete(this DbDeleteQuery dbDeleteQuery, DbExpression target)
        {
            dbDeleteQuery.QueryExpression.Target = target;
            return dbDeleteQuery;
        }
    }
}