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path: root/OpenSim/Data/OpenSimObjectFieldMapper.cs
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/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSim Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using System.Collections.Generic;
using System.Data.Common;
using OpenMetaverse;
using OpenSim.Data.Base;

namespace OpenSim.Data
{
    public class OpenSimObjectFieldMapper<TObject, TField> : ObjectField<TObject, TField>
    {
        public OpenSimObjectFieldMapper(BaseTableMapper tableMapper, string fieldName,
                                        ObjectGetAccessor<TObject, TField> rowMapperGetAccessor,
                                        ObjectSetAccessor<TObject, TField> rowMapperSetAccessor)
            : base(tableMapper, fieldName, rowMapperGetAccessor, rowMapperSetAccessor)
        {
        }

        public override void ExpandField<TObj>(TObj obj, DbCommand command, List<string> fieldNames)
        {
            string fieldName = FieldName;
            object value = GetParamValue(obj);

            if (ValueType == typeof(Vector3))
            {
                Vector3 vector = (Vector3)value;

                RawAddParam(command, fieldNames, fieldName + "X", vector.X);
                RawAddParam(command, fieldNames, fieldName + "Y", vector.Y);
                RawAddParam(command, fieldNames, fieldName + "Z", vector.Z);
            }
            else if (ValueType == typeof(Quaternion))
            {
                Quaternion quaternion = (Quaternion)value;

                RawAddParam(command, fieldNames, fieldName + "X", quaternion.X);
                RawAddParam(command, fieldNames, fieldName + "Y", quaternion.Y);
                RawAddParam(command, fieldNames, fieldName + "Z", quaternion.Z);
                RawAddParam(command, fieldNames, fieldName + "W", quaternion.W);
            }
            else
            {
                base.ExpandField(obj, command, fieldNames);
            }
        }

        protected override object GetValue(BaseDataReader reader)
        {
            object value;

            OpenSimDataReader osreader = (OpenSimDataReader) reader;

            if (ValueType == typeof(Vector3))
            {
                value = osreader.GetVector(FieldName);
            }
            else if (ValueType == typeof(Quaternion))
            {
                value = osreader.GetQuaternion(FieldName);
            }
            else if (ValueType == typeof(UUID))
            {
                Guid guid = reader.GetGuid(FieldName);
                value = new UUID(guid);
            }
            else
            {
                value = base.GetValue(reader);
            }

            return value;
        }
    }
}