QueryBuilder.cs

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// 
//  Copyright 2010-2015 Deveel
// 
//    Licensed under the Apache License, Version 2.0 (the "License");
//    you may not use this file except in compliance with the License.
//    You may obtain a copy of the License at
// 
//        http://www.apache.org/licenses/LICENSE-2.0
// 
//    Unless required by applicable law or agreed to in writing, software
//    distributed under the License is distributed on an "AS IS" BASIS,
//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//    See the License for the specific language governing permissions and
//    limitations under the License.
//

using System;
using System.Linq.Expressions;

namespace Deveel.Data.Linq {
    internal class QueryBuilder : ExpressionVisitor {
        private readonly TableQuery resultQuery;

        public QueryBuilder() {
            resultQuery = new TableQuery();
        }

        public TableQuery Build(Expression expression) {
            Visit(expression);
            return resultQuery;
        }

        public TableQuery Build() {
            return Build(null);
        }

        protected override Expression VisitBinary(BinaryExpression b) {
            var expressionType = b.NodeType;
            return base.VisitBinary(b);
        }

        protected override MemberAssignment VisitMemberAssignment(MemberAssignment assignment) {
            return base.VisitMemberAssignment(assignment);
        }
    }
}