OpenSim-Test/OpenSim/Data/NHibernate/LLQuaternionUserType.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
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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 LLQuaternionUserType: IUserType
    {
        public object Assemble(object cached, object owner)
        {
            return cached;
        }

        bool IUserType.Equals(object quat1, object quat2)
        {
            return quat1.Equals(quat2);
        }

        public object DeepCopy(object quat)
        {
            // silly libsecondlife having no copy constructor
            LLQuaternion q = (LLQuaternion) quat;
            return new LLQuaternion(q.X, q.Y, q.Z, q.W);
        }

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

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

        public bool IsMutable
        {
            get { return false; }
        }

        public object NullSafeGet(IDataReader rs, string[] names, object owner)
        {
            object quat = null;
                        
            int x = rs.GetOrdinal(names[0]);
            int y = rs.GetOrdinal(names[1]);
            int z = rs.GetOrdinal(names[2]);
            int w = rs.GetOrdinal(names[3]);
            if (!rs.IsDBNull(x))
            {
                quat = new LLQuaternion((Single)rs[x], (Single)rs[y], (Single)rs[z], (Single)rs[w]);
            }
            return quat;
        }

        public void NullSafeSet(IDbCommand cmd, object obj, int index)
        {
            LLQuaternion quat = (LLQuaternion)obj;
            ((IDataParameter)cmd.Parameters[index]).Value = quat.X;
            ((IDataParameter)cmd.Parameters[index + 1]).Value = quat.Y;
            ((IDataParameter)cmd.Parameters[index + 2]).Value = quat.Z;
            ((IDataParameter)cmd.Parameters[index + 3]).Value = quat.W;
        }

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

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

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