OpenSim-Test/OpenSim/Data/NHibernate/LLVector3UserType.cs

/*
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 *       derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 */

using System;
using System.Data;
using libsecondlife;
using NHibernate;
using NHibernate.SqlTypes;
using NHibernate.UserTypes;

namespace OpenSim.Data.NHibernate
{
    [Serializable]
    public class LLVector3UserType: IUserType
    {
        public object Assemble(object cached, object owner)
        {
            return cached;
        }

        bool IUserType.Equals(object vector1, object vector2)
        {
            return vector1.Equals(vector2);
        }

        public object DeepCopy(object vector)
        {
            return new LLVector3((LLVector3) vector);
        }

        public object Disassemble(object vector)
        {
            return vector;
        }

        public int GetHashCode(object vector)
        {
            return (vector == null) ? 0 : vector.GetHashCode();
        }

        public bool IsMutable
        {
            get { return false; }
        }

        public object NullSafeGet(IDataReader rs, string[] names, object owner)
        {
            object vector = null;
                        
            int x = rs.GetOrdinal(names[0]);
            int y = rs.GetOrdinal(names[1]);
            int z = rs.GetOrdinal(names[2]);
            if (!rs.IsDBNull(x))
            {
                vector = new LLVector3((Single)rs[x], (Single)rs[y], (Single)rs[z]);
            }
            return vector;
        }

        public void NullSafeSet(IDbCommand cmd, object obj, int index)
        {
            LLVector3 vector = (LLVector3)obj;
            ((IDataParameter)cmd.Parameters[index]).Value = vector.X;
            ((IDataParameter)cmd.Parameters[index + 1]).Value = vector.Y;
            ((IDataParameter)cmd.Parameters[index + 2]).Value = vector.Z;
        }

        public object Replace(object original, object target, object owner)
        {
            return original;
        }

        public Type ReturnedType
        {
            get { return typeof(LLVector3); }
        }

        public SqlType[] SqlTypes
        {
            get { return new SqlType [] { NHibernateUtil.Single.SqlType, NHibernateUtil.Single.SqlType, NHibernateUtil.Single.SqlType }; }
        }
    }
}