| public ToColumns ( string propertyName ) : string[] | ||
| propertyName | string | |
| return | string[] | |
/// <summary>
/// Path represents path to a field, based at origin.
/// Return the field object.
/// A field path is normally of the form:
/// Source Table:Path
/// where Path is recursively defined as either:
/// FieldName
/// or
/// From Field=To Field.To Table!Path
/// </summary>
/// <param name="sf"></param>
/// <param name="root"></param>
/// <param name="path"></param>
/// <param name="format"></param>
internal static String DecomposePath(SessionFactoryImpl sf, AbstractEntityPersister root, String path, String format)
{
String[] parts;
parts = path.Split(new char[] { '!' }, 2);
if (parts.Length == 1)
{
// field name
// remove initial "@" (this is used to indicate calculated fields)
if (parts[0][0] == '@')
parts[0] = parts[0].Substring(1);
String fieldName = parts[0].ToUpper();
for (int i = 0; i < root.PropertyTypes.Length; i++)
{
IType propType = root.PropertyTypes[i];
if (propType.IsCollectionType)
{
continue;
}
String propName = root.PropertyNames[i];
String[] columns = root.ToColumns(propName);
if (columns.Length == 1 && columns[0].ToUpper() == fieldName)
{
return FormatProperty(propName, propType, format);
}
}
LOG.Warn("Unable to locate property by column - " + parts[0]);
return null;
}
else
{
String newpath = parts[1]; // part after the exclamation mark
Match matches = _fieldPathRegexp.Match(parts[0]);
if (!matches.Success)
throw new ArgumentException("Path did not match field expression pattern: " + parts[0]);
System.Diagnostics.Debug.Assert(matches.Groups.Count == 5, "Number of Groups should have been 5, was " + matches.Groups.Count + " (path = " + parts[0] + ")");
String toTable = matches.Groups[4].Value;
String fromField = matches.Groups[1].Value;
String propertyName;
root = FindJoinedEntity(sf, root, toTable, fromField, out propertyName);
if (root == null)
throw new ArgumentException("Unable to locate linked property " + toTable + " via " + fromField + "!");
return propertyName + "." + DecomposePath(sf, root, newpath, format);
}
}
/// <summary>
/// Find a join. Return the name of the corresponding property.
/// </summary>
private static AbstractEntityPersister FindJoinedEntity(SessionFactoryImpl sf, AbstractEntityPersister root, string toTable, string fromField, out string propertyName)
{
// root.ClassMetadata.PropertyTypes.First().Na
for (int i = 0; i < root.PropertyTypes.Length; i++)
{
if (root.PropertyTypes[i].IsAssociationType &&
!root.PropertyTypes[i].IsCollectionType)
{
String[] cols = root.ToColumns(root.PropertyNames[i]);
if (cols.Length == 1 && cols[0] == fromField)
{
propertyName = root.PropertyNames[i];
Type t = root.PropertyTypes[i].ReturnedClass;
String entityName = sf.TryGetGuessEntityName(t);
AbstractEntityPersister persister = (AbstractEntityPersister)sf.GetEntityPersister(entityName);
if (persister.TableName == toTable)
return persister;
// special case for acct mgr
if (toTable == "USERINFO" && persister.TableName == "USERSECURITY")
{
propertyName = propertyName + ".UserInfo";
entityName = "Sage.SalesLogix.Security.UserInfo";
return (AbstractEntityPersister)sf.GetEntityPersister(entityName);
}
}
}
}
propertyName = null;
return null;
}
