Created
May 29, 2015 11:56
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An NHibernate Mutable Type for XML in SQL Server.
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[Serializable] | |
public class XmlType<T> : MutableType | |
where T : class | |
{ | |
public XmlType() | |
: base(new XmlSqlType()) | |
{ | |
} | |
public override string Name | |
{ | |
get { return "XmlTypeOfT"; } | |
} | |
public override Type ReturnedClass | |
{ | |
get { return typeof(T); } | |
} | |
public override void Set(IDbCommand cmd, object value, int index) | |
{ | |
var valueTyped = value as T; | |
Set(cmd, valueTyped, index); | |
} | |
public void Set(IDbCommand cmd, T value, int index) | |
{ | |
((IDataParameter)cmd.Parameters[index]).Value = XmlUtil.ToXml(value); | |
} | |
public override object Get(IDataReader rs, int index) | |
{ | |
return rs.IsDBNull(index) ? null : FromStringValue((string)rs[index]); | |
} | |
public override object Get(IDataReader rs, string name) | |
{ | |
return Get(rs, rs.GetOrdinal(name)); | |
} | |
public override string ToString(object val) | |
{ | |
var valueTyped = val as T; | |
return valueTyped != null ? XmlUtil.ToXml(valueTyped) : null; | |
} | |
public override object FromStringValue(string xml) | |
{ | |
return xml != null ? XmlUtil.FromXml<T>(xml) : null; | |
} | |
public override object DeepCopyNotNull(object value) | |
{ | |
var valueAsXmlString = ToString(value); | |
return FromStringValue(valueAsXmlString); | |
} | |
public override bool IsEqual(object x, object y) | |
{ | |
if (x == null && y == null) | |
{ | |
return true; | |
} | |
if (x == null || y == null) | |
{ | |
return false; | |
} | |
return ToString(x) == ToString(y); | |
} | |
} |
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