public IIndexDefinition CreateIndex(IndexPredefinition myIndexDefinition, SecurityToken mySecurity, Int64 myTransaction, bool myIsUserDefined = true)
{
myIndexDefinition.CheckNull("myIndexDefinition");
if (myIndexDefinition.Name != null && myIndexDefinition.Name.StartsWith("sones"))
{
throw new Exception("It is not allowed to add an index with a name, that starts with 'sones'.");
}
var vertexType = _vertexTypeManager.ExecuteManager.GetType(myIndexDefinition.VertexTypeName, myTransaction, mySecurity);
var indexName = myIndexDefinition.Name ?? CreateIndexName(myIndexDefinition, vertexType);
if (_ownIndex.ContainsKey(indexName))
{
//TODO a better exception here.
throw new Exception("An index with that name already exists.");
}
if (myIndexDefinition.Properties == null)
{
throw new Exception("Index without properties is not allowed.");
}
foreach (var prop in myIndexDefinition.Properties)
{
var propDef = vertexType.GetPropertyDefinition(prop);
if (!vertexType.HasProperty(prop) || (propDef.RelatedType.ID != vertexType.ID && !HasIndex(propDef, mySecurity, myTransaction)))
{
//TODO a better exception here.
throw new AttributeDoesNotExistException("The property is not defined on the vertex type " + vertexType.Name + ", it is defined on a parent type.");
}
}
var indexID = _idManager.GetVertexTypeUniqeID((long)BaseTypes.Index).GetNextID();
var info = new VertexInformation((long)BaseTypes.Index, indexID, 0, myIndexDefinition.Edition);
var typeClass = myIndexDefinition.TypeName ?? GetBestMatchingIndexName(false, false);
var parameter = (_indexPluginParameter.ContainsKey(typeClass))
? _indexPluginParameter[typeClass].PluginParameter
: new Dictionary <string, object>();
var options = ValidateOptions(myIndexDefinition.IndexOptions, typeClass);
// load propertyIDs for indexed properties
var propertyIDs = myIndexDefinition.Properties.Select(prop => vertexType.GetPropertyDefinition(prop).ID).ToList();
// add propertyIDs for indexing
parameter.Add(IndexConstants.PROPERTY_IDS_OPTIONS_KEY, propertyIDs);
parameter = FillOptions(parameter, options);
// HACK: manually inject eventuall existing PersistenceLocation (btk, 23.09.2011)
#region Hack
if (_applicationSettings.Get <PersistenceLocation>() != null)
{
// if not already, initialize
if (parameter == null)
{
parameter = new Dictionary <string, object>();
}
if (!parameter.ContainsKey("Path")) // only add when not already in there...
{
parameter.Add("Path", _applicationSettings.Get <PersistenceLocation>());
}
}
#endregion
var index = _pluginManager.GetAndInitializePlugin <ISonesIndex>(typeClass, parameter, indexID);
var props = myIndexDefinition.Properties.Select(prop => new VertexInformation((long)BaseTypes.Property, vertexType.GetPropertyDefinition(prop).ID)).ToList();
var date = DateTime.UtcNow.ToBinary();
var indexVertex = _baseStorageManager.StoreIndex(
_vertexStore,
info,
indexName,
myIndexDefinition.Comment,
date,
myIndexDefinition.TypeName,
//GetIsSingleValue(index),
GetIsRangeValue(index),
GetIsVersionedValue(index),
true,
myIndexDefinition.IndexOptions,
new VertexInformation((long)BaseTypes.VertexType, vertexType.ID),
null,
props,
mySecurity,
myTransaction);
_ownIndex.Add(indexName, indexID);
_indices.Add(indexID, index);
foreach (var childType in vertexType.GetDescendantVertexTypes())
{
var childID = _idManager.GetVertexTypeUniqeID((long)BaseTypes.Index).GetNextID();
var childName = CreateIndexName(myIndexDefinition, childType);
var childIndex = _pluginManager.GetAndInitializePlugin <ISonesIndex>(typeClass, parameter, childID);
_baseStorageManager.StoreIndex(
_vertexStore,
new VertexInformation((long)BaseTypes.Index, childID),
childName,
indexName, //we store the source index name as comment
date,
myIndexDefinition.TypeName,
//GetIsSingleValue(index),
GetIsRangeValue(index),
GetIsVersionedValue(index),
false,
myIndexDefinition.IndexOptions,
new VertexInformation((long)BaseTypes.VertexType, childType.ID),
info,
props,
mySecurity,
myTransaction);
_ownIndex.Add(childName, childID);
_indices.Add(childID, childIndex);
}
var indexDefinition = _baseStorageManager.CreateIndexDefinition(indexVertex, vertexType);
_vertexTypeManager.ExecuteManager.CleanUpTypes();
var reloadedVertexType = _vertexTypeManager.ExecuteManager.GetType(vertexType.Name, myTransaction, mySecurity);
foreach (var type in reloadedVertexType.GetDescendantVertexTypesAndSelf())
{
RebuildIndices(type, myTransaction, mySecurity);
}
return(indexDefinition);
}
