CursorParameter.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.IO;

using Deveel.Data.Types;

namespace Deveel.Data.Sql.Cursors {
    public sealed class CursorParameter {
        public CursorParameter(string parameterName, SqlType parameterType) {
            if (String.IsNullOrEmpty(parameterName))
                throw new ArgumentNullException("parameterName");
            if (parameterType == null)
                throw new ArgumentNullException("parameterType");

            ParameterName = parameterName;
            ParameterType = parameterType;
        }

        public string ParameterName { get; private set; }

        public SqlType ParameterType { get; private set; }

        public int Offset { get; set; }

        public static void Serialize(CursorParameter parameter, BinaryWriter writer) {
            writer.Write(parameter.ParameterName);
            TypeSerializer.SerializeTo(writer, parameter.ParameterType);
            writer.Write(parameter.Offset);
        }

        public static CursorParameter Deserialize(BinaryReader reader) {
            var paramName = reader.ReadString();
            // TODO: Type Resolver!!!
            var paramType = TypeSerializer.Deserialize(reader, null);
            var offset = reader.ReadInt32();

            return new CursorParameter(paramName, paramType) {
                Offset = offset
            };
        }
    }
}