///-------------------------------------------------------------------------------------------------
/// <summary>
/// Creates the index.
/// </summary>
/// <exception cref="NotSupportedException">
/// Thrown when the requested operation is not supported.
/// </exception>
/// <exception cref="Exception">
/// Thrown when an exception error condition occurs.
/// </exception>
/// <exception cref="DuplicateIndexException">
/// Thrown when a Duplicate Index error condition occurs.
/// </exception>
/// <param name="metaclass">
/// The metaclass.
/// </param>
/// <param name="name">
/// The name.
/// </param>
/// <param name="unique">
/// true to unique.
/// </param>
/// <param name="propertyNames">
/// List of names of the properties.
/// </param>
/// <returns>
/// The new index.
/// </returns>
///-------------------------------------------------------------------------------------------------
public IIndex CreateIndex(ISchemaElement metaclass, string name, bool unique, params string[] propertyNames)
{
Contract.Requires(metaclass, "metaclass");
Contract.Requires(propertyNames.Length > 0, "propertyName");
if (propertyNames.Length > 1)
{
throw new NotSupportedException();
}
var property = metaclass.GetProperty(propertyNames[0]);
if (property == null)
{
throw new Hyperstore.Modeling.Metadata.PropertyDefinitionException(string.Format(ExceptionMessages.PropertyNameNotValidForMetaclassFormat, metaclass.Name));
}
Conventions.CheckValidName(name);
IndexDefinition def;
_sync.EnterWriteLock();
try
{
if (IndexExists(name))
{
throw new DuplicateIndexException(string.Format(ExceptionMessages.DuplicateIndexFormat, name));
}
List <IndexDefinition> list = null;
if (!_indexByMetaClass.TryGetValue(metaclass.Id, out list))
{
list = new List <IndexDefinition>();
_indexByMetaClass.Add(metaclass.Id, list);
}
def = new IndexDefinition(_graph, name, metaclass, unique, propertyNames);
list.Add(def);
_indexByNames.TryAdd(name, def);
}
finally
{
_sync.ExitWriteLock();
}
// Build index
if (_graph.DomainModel != null)
{
foreach (var mel in _graph.GetElements(metaclass))
{
def.Index.Add(mel.Id, mel.GetPropertyValue(property).Value);
}
}
return(def.Index);
}
public void UtilValidateNameTest()
{
Conventions.CheckValidName("a_b$");
Conventions.CheckValidName("a_b$.a10", true);
Assert.Throws <InvalidNameException>(
() =>
Conventions.CheckValidName("a_b$.")
);
Assert.Throws <InvalidNameException>(
() =>
Conventions.CheckValidName("a_b$:.")
);
Assert.Throws <InvalidNameException>(
() =>
Conventions.CheckValidName("a_b$.:", true)
);
}