SqlKeyNode.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.Collections.Generic;

namespace Deveel.Data.Sql.Parser {
    class SqlKeyNode : ISqlChildNode {
        internal SqlKeyNode(Token token) {
            this.token = token;
            Text = token.Text;
        }

        private readonly Token token;
        private ISqlNode parent;

        string ISqlNode.NodeName {
            get { return Text; }
        }

        ISqlNode ISqlNode.Parent {
            get { return parent; }
        }

        IEnumerable<ISqlNode> ISqlNode.ChildNodes {
            get { return new ISqlNode[0]; }
        }

        IEnumerable<Token> ISqlNode.Tokens {
            get { return new Token[] {token}; }
        }

        void ISqlChildNode.SetParent(ISqlNode node) {
            parent = node;
        }

        public string Text { get; private set; }
    }
}