/// <summary>
/// Processes a CREATE command
/// </summary>
/// <param name="cmd">Create Command</param>
/// <remarks>
/// <para>
/// Implemented by adding an empty Graph to the Store
/// </para>
/// <para>
/// <strong>Warning:</strong> As the <see cref="IGenericIOManager">IGenericIOManager</see> interface does not allow checking whether a Graph exists processing CREATE commands can result in overwriting existing Graphs
/// </para>
/// </remarks>
public void ProcessCreateCommand(CreateCommand cmd)
{
if (this._manager is IUpdateableGenericIOManager)
{
((IUpdateableGenericIOManager)this._manager).Update(cmd.ToString());
}
else
{
Graph g = new Graph();
g.BaseUri = cmd.TargetUri;
try
{
//As Khalil Ahmed pointed out the behaviour when the store doesn't support empty graphs the behaviour should be to act as if the operation succeeded
if ((this._manager.IOBehaviour & IOBehaviour.ExplicitEmptyGraphs) == 0) return;
this._manager.SaveGraph(g);
}
catch
{
if (!cmd.Silent) throw;
}
}
}
/// <summary>
/// Processes a CREATE command
/// </summary>
/// <param name="cmd">Create Command</param>
/// <remarks>
/// <para>
/// Implemented by adding an empty Graph to the Store
/// </para>
/// <para>
/// <strong>Warning:</strong> As the <see cref="IGenericIOManager">IGenericIOManager</see> interface does not allow checking whether a Graph exists processing CREATE commands can result in overwriting existing Graphs
/// </para>
/// </remarks>
public void ProcessCreateCommand(CreateCommand cmd)
{
if (this._manager is IUpdateableGenericIOManager)
{
((IUpdateableGenericIOManager)this._manager).Update(cmd.ToString());
}
else
{
Graph g = new Graph();
g.BaseUri = cmd.TargetUri;
try
{
this._manager.SaveGraph(g);
}
catch
{
if (!cmd.Silent) throw;
}
}
}