public static Cascades.VersionValue GetUnsavedVersionValue(
String versionUnsavedValue,
IGetter versionGetter,
IVersionType versionType,
ConstructorInfo constructor)
{
if (versionUnsavedValue == null)
{
if (constructor != null)
{
Object defaultValue = versionGetter.Get(Instantiate(constructor));
// if the version of a newly instantiated object is not the same
// as the version seed value, use that as the unsaved-value
return(versionType.Equals(versionType.Seed, defaultValue) ?
Cascades.VersionValue.VersionUndefined :
new Cascades.VersionValue(defaultValue));
}
else
{
return(Cascades.VersionValue.VersionUndefined);
}
}
else if ("undefined" == versionUnsavedValue)
{
return(Cascades.VersionValue.VersionUndefined);
}
else if ("null" == versionUnsavedValue)
{
return(Cascades.VersionValue.VersionSaveNull);
}
else if ("negative" == versionUnsavedValue)
{
return(Cascades.VersionValue.VersionNegative);
}
else
{
// NHibernate-specific
try
{
return(new Cascades.VersionValue(versionType.StringToObject(versionUnsavedValue)));
}
catch (InvalidCastException ice)
{
throw new MappingException("Bad version type: " + versionType.Name, ice);
}
catch (Exception e)
{
throw new MappingException("Could not parse version unsaved-value: " + versionUnsavedValue, e);
}
}
}
public static Cascades.VersionValue GetUnsavedVersionValue(
String versionUnsavedValue,
IGetter versionGetter,
IVersionType versionType,
ConstructorInfo constructor)
{
if ( versionUnsavedValue == null )
{
if ( constructor!=null )
{
Object defaultValue = versionGetter.Get( Instantiate(constructor) );
// if the version of a newly instantiated object is not the same
// as the version seed value, use that as the unsaved-value
return versionType.Equals( versionType.Seed, defaultValue ) ?
Cascades.VersionValue.VersionUndefined :
new Cascades.VersionValue( defaultValue );
}
else
{
return Cascades.VersionValue.VersionUndefined;
}
}
else if ( "undefined" == versionUnsavedValue )
{
return Cascades.VersionValue.VersionUndefined;
}
else if ( "null" == versionUnsavedValue )
{
return Cascades.VersionValue.VersionSaveNull;
}
else if ( "negative" == versionUnsavedValue )
{
return Cascades.VersionValue.VersionNegative;
}
else
{
// NHibernate-specific
try
{
return new Cascades.VersionValue( versionType.StringToObject( versionUnsavedValue ) );
}
catch( InvalidCastException ice )
{
throw new MappingException( "Bad version type: " + versionType.Name, ice );
}
catch( Exception e )
{
throw new MappingException( "Could not parse version unsaved-value: " + versionUnsavedValue, e );
}
}
}
