VariableInfo.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 Deveel.Data.Sql.Expressions;
using Deveel.Data.Types;

namespace Deveel.Data.Sql.Variables {
    public sealed class VariableInfo : IObjectInfo {
        public VariableInfo(string variableName, SqlType type, bool isConstant) {
            if (String.IsNullOrEmpty(variableName))
                throw new ArgumentNullException("variableName");
            if (type == null)
                throw new ArgumentNullException("type");

            VariableName = variableName;
            Type = type;
            IsConstant = isConstant;
        }

        public string VariableName { get; private set; }

        public SqlType Type { get; private set; }

        public bool IsConstant { get; private set; }

        public bool IsNotNull { get; set; }

        public SqlExpression DefaultExpression { get; set; }

        DbObjectType IObjectInfo.ObjectType {
            get { return DbObjectType.Variable; }
        }

        ObjectName IObjectInfo.FullName {
            get { return new ObjectName(VariableName); }
        }
    }
}