public static IMetaManager CreateMetaManager(IVertexStore myVertexStore,
IDManager myIDManager,
GraphDBPlugins myPlugins,
GraphDBPluginManager myPluginManager,
GraphApplicationSettings myApplicationSettings,
ITransactionable myTransactionManager,
SecurityToken mySecurity)
{
var result = new MetaManager(myVertexStore, myIDManager, myPluginManager, myPlugins, myApplicationSettings);
var transactionID = myTransactionManager.BeginTransaction(mySecurity);
DBCreationManager creationManager = new DBCreationManager(result.SystemSecurityToken,
transactionID,
result._baseGraphStorageManager);
if (!creationManager.CheckBaseGraph(myVertexStore))
{
creationManager.CreateBaseGraph(myVertexStore);
}
creationManager.AddUserDefinedDataTypes(myVertexStore, myPluginManager);
result.Initialize();
result.Load(transactionID);
SetMaxID(myVertexStore, myIDManager, transactionID, mySecurity, result);
myTransactionManager.CommitTransaction(mySecurity, transactionID);
return(result);
}
/// <summary>
/// Creates a new meta manager
/// </summary>
/// <param name="myVertexStore">The vertex store on which all other manager rely on</param>
/// <param name="myPlugins">The plugin definitions</param>
/// <param name="myPluginManager">Used to load pluginable manager</param>
/// <param name="myApplicationSettings">The current application settings</param>
private MetaManager(IVertexStore myVertexStore,
IDManager myIDManager,
GraphDBPluginManager myPluginManager,
GraphDBPlugins myPlugins,
GraphApplicationSettings myApplicationSettings)
{
_vertexStore = myVertexStore;
_vertexTypeManager = new VertexTypeManager(myIDManager);
_vertexManager = new VertexManager(myIDManager);
_edgeTypeManager = new EdgeTypeManager(myIDManager);
_queryPlanManager = new QueryPlanManager();
_indexManager = new IndexManager(myIDManager, myPluginManager, myApplicationSettings, myPlugins.IndexPlugins);
_baseTypeManager = new BaseTypeManager();
_baseGraphStorageManager = new BaseGraphStorageManager();
_pluginManager = myPluginManager;
}
/// <summary>
/// Create a meta manager
/// </summary>
/// <param name="myPlugins">The plugin definitions</param>
/// <returns>A meta manager</returns>
private IMetaManager CreateMetamanager(GraphDBPlugins myPlugins, ITransactionable myTransactionManager)
{
return(MetaManager.CreateMetaManager(_securityManager, _idManager, myPlugins, _graphDBPluginManager, _applicationSettings, myTransactionManager, null));
}
/// <summary>
/// Creates a new sones graphdb instance
/// </summary>
/// <param name="myPlugins">The plugins that are valid for the sones GraphDB component</param>
/// <param name="myCreate">Should the sones graphdb created?</param>
/// <param name="myCulture">the culture of this instance, defaults to en-us</param>
public SonesGraphDB(
GraphDBPlugins myPlugins = null,
Boolean myCreate = true, CultureInfo myCulture = null, String myPersistenceLocation = "") // HACK: myPersistenceLocation was introduced because the global settings management is not in place at the moment...
{
_id = Guid.NewGuid();
_cts = new CancellationTokenSource();
if (myPlugins == null)
{
myPlugins = new GraphDBPlugins();
}
if (myCulture == null)
{
// defaults to en-us
myCulture = new CultureInfo("en-us");
}
_graphDBCulture = myCulture;
#region settings
_applicationSettings = new GraphApplicationSettings(ConstantsSonesGraphDB.ApplicationSettingsLocation);
// HACK: if existing set the PersistenceLocation (btk,23.09.2011)
PersistenceLocation pl = new PersistenceLocation();
_applicationSettings.ApplySetting(pl, myPersistenceLocation);
#endregion
#region plugin manager
_graphDBPluginManager = new GraphDBPluginManager();
#endregion
#region IGraphFS
_iGraphFS = LoadGraphFsPlugin(myPlugins.IGraphFSDefinition);
#endregion
#region transaction
_transactionManager = LoadTransactionManagerPlugin(myPlugins.TransactionManagerPlugin);
#endregion
#region security
_securityManager = LoadSecurityManager(myPlugins.SecurityManagerPlugin);
#endregion
#region ids
_idManager = new IDManager();
#endregion
#region requests
_requestManager = LoadRequestManager(CreateMetamanager(myPlugins, _transactionManager));
#endregion
}
