ProxyManager proxy = _sm.getContext().getConfiguration().
getProxyManagerInstance();
FieldMetaData fmd = _sm.getMetaData().getField(field);
switch (fmd.getDeclaredTypeCode()) {
case JavaTypes.ARRAY:
_field = proxy.copyArray(curVal);
break;
case JavaTypes.COLLECTION:
_field = proxy.copyCollection((Collection) curVal);
break;
case JavaTypes.MAP: