public bool Delete()
{
if (IsReferenced() != null)
{
return(false); // some other doc refers to this doc
}
_DocNodeRef.Kill();
_ParentDocSet.MarkDocAsDeleted(this);
return(true);
}
// graph constructor is marked INTERNAL because we want the client to use the
// static class factory method CreateGraph(), which redirects here after doing checks.
// For opening existing graphs,
// we provide another method called OpenGraph() which redirects here also.
internal GlGraph(string graph_name)
{
bool creating_new = !GlobalsGraphAdmin.AllGraphs().Contains(graph_name);
_GlNodeRef = GlobalsGraphAdmin.ActiveConnection().CreateNodeReference(graph_name);
if (creating_new)
_GlNodeRef.Set(GlobalsGraphAdmin.GL_GRAPH_FLAG); // format identifier, causes persistence
else
{
// opening an existing graph. Start by initializing the existing nodes
string loop_node_guid = _GlNodeRef.NextSubscript(GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, "");
while (loop_node_guid != "")
{
Guid new_guid = Guid.Empty;
if (Guid.TryParse(loop_node_guid, out new_guid))
AllNodesByGuid.Add(new_guid, new GlGraphNode(this, new_guid));
else
_GlNodeRef.Kill(GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, loop_node_guid); // clean up bad data
loop_node_guid = _GlNodeRef.NextSubscript(GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, loop_node_guid);
}
// now loop again and load the edges
foreach (GlGraphNode loop_node in AllNodes)
{
loop_node.InitializeEdges();
}
}
}
internal static void DeleteEntity <TEntity>(TEntity entity, NodeReference node, Connection connection)
{
try
{
connection.StartTransaction();
node.AcquireLock(NodeReference.EXCLUSIVE_LOCK,
NodeReference.LOCK_INCREMENTALLY,
NodeReference.RELEASE_AT_TRANSACTION_END);
var key = PrimaryKeyCalculator.GetPrimaryKey(entity);
if (!IsKeyExists(key, node))
{
throw new GlobalsDbException("Unable to delete entity. Entity with this primary key does not exist");
}
node.SetSubscriptCount(0);
node.AppendSubscript(key);
node.Kill();
connection.Commit();
}
catch
{
connection.Rollback();
throw;
}
}
// constructor is marked INTERNAL because we want the client to use the
// static class factory method CreateDocSet(), which redirects here after doing checks.
// For opening existing doc sets,
// we provide another method called OpenDocSet() which redirects here also.
internal GlDocSet(string docset_name)
{
bool creating_new = !GlobalsDocDB.AllDocSetNames().Contains(docset_name);
_GlNodeRef = GlobalsDocDB.ActiveConnection().CreateNodeReference(docset_name);
if (creating_new)
{
_GlNodeRef.Set(GlobalsDocDB.GL_DOCS_FLAG); // format identifier, causes persistence
}
else
{
// opening an existing doc set. Start by initializing the existing nodes
string loop_node_guid = _GlNodeRef.NextSubscript("");
while (loop_node_guid != "")
{
Guid new_guid = Guid.Empty;
if (Guid.TryParse(loop_node_guid, out new_guid))
{
AllDocsByGuid.Add(new_guid, new GlDoc(this, new_guid));
}
else
{
_GlNodeRef.Kill(loop_node_guid); // clean up bad data
}
loop_node_guid = _GlNodeRef.NextSubscript(loop_node_guid);
}
}
}
public static void Main(String[] args)
{
Connection myConn = ConnectionContext.GetConnection();
try {
myConn.Connect("User", "_SYSTEM", "SYS");
NodeReference nodeRef = myConn.CreateNodeReference("myGlobal");
// Read both existing nodes
Console.WriteLine("Value of ^myGlobal is " + nodeRef.GetString());
Console.WriteLine("Value of ^myGlobal(\"sub1\") is " + nodeRef.GetString("sub1"));
nodeRef.Kill(); // delete entire array
nodeRef.Close();
myConn.Close();
}
catch (GlobalsException e) { Console.WriteLine(e.Message); }
} // end Main()
private static void WriteEnumerable(NodeReference node, IEnumerable items)
{
var index = 0;
node.Kill();
foreach (var item in items)
{
node.AppendSubscript(ToSubscriptString(index));
WriteItem(item, node);
node.SetSubscriptCount(node.GetSubscriptCount() - 1);
index++;
}
node.AppendSubscript(EnumerableLengthsSubscriptName);
node.Set(ToSubscriptString(index));
node.SetSubscriptCount(node.GetSubscriptCount() - 1);
}
private static void WriteArray(NodeReference node, Array array)
{
node.Kill();
if (array == null)
{
return;
}
node.AppendSubscript(EnumerableLengthsSubscriptName);
node.Set(ToSubscriptString(GetArrayLengths(array)));
node.SetSubscriptCount(node.GetSubscriptCount() - 1);
var indexedElements = GetIndexedElements(array, new List <int>());
foreach (var indexedElement in indexedElements)
{
node.AppendSubscript(ToSubscriptString(indexedElement.Item2));
WriteItem(indexedElement.Item1, node);
node.SetSubscriptCount(node.GetSubscriptCount() - 1);
}
}
// graph constructor is marked INTERNAL because we want the client to use the
// static class factory method CreateGraph(), which redirects here after doing checks.
// For opening existing graphs,
// we provide another method called OpenGraph() which redirects here also.
internal GlGraph(string graph_name)
{
bool creating_new = !GlobalsGraphAdmin.AllGraphs().Contains(graph_name);
_GlNodeRef = GlobalsGraphAdmin.ActiveConnection().CreateNodeReference(graph_name);
if (creating_new)
{
_GlNodeRef.Set(GlobalsGraphAdmin.GL_GRAPH_FLAG); // format identifier, causes persistence
}
else
{
// opening an existing graph. Start by initializing the existing nodes
string loop_node_guid = _GlNodeRef.NextSubscript(GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, "");
while (loop_node_guid != "")
{
Guid new_guid = Guid.Empty;
if (Guid.TryParse(loop_node_guid, out new_guid))
{
AllNodesByGuid.Add(new_guid, new GlGraphNode(this, new_guid));
}
else
{
_GlNodeRef.Kill(GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, loop_node_guid); // clean up bad data
}
loop_node_guid = _GlNodeRef.NextSubscript(GlobalsGraphAdmin.GL_NODES_SUBSCRIPT, loop_node_guid);
}
// now loop again and load the edges
foreach (GlGraphNode loop_node in AllNodes)
{
loop_node.InitializeEdges();
}
}
}
public void Delete()
{
_GlNodeRef.Kill();
}
public void Delete()
{
_GlNodeRef.Kill();
AllDocsByGuid.Clear();
_GlNodeRef = null;
}
