/// <summary>
/// Reloads the composition.
/// </summary>
/// <remarks>Reloading is useful if you want to run simulation multiple times in one execution time.
/// Some models aren't able to run simulation after it was already run, and may crash in such case.
/// That's because they need to create new instance of them, on which the <c>Initialize</c> method
/// is called.
/// Reloading is done same way like when you save the composition to OPR file, restarts the application,
/// and open this OPR file again. Of course, it is done only internally in the memory.</remarks>
public void Reload()
{
XmlDocument xmlDocument = new XmlDocument();
SaveToXmlDocument(xmlDocument);
// preserve members that aren't saved to XML
bool oldShouldBeSaved = _shouldBeSaved;
Release();
AssemblySupport.ReleaseAll();
LoadFromXmlDocument(Path.GetDirectoryName(_filePath), xmlDocument);
_shouldBeSaved = oldShouldBeSaved;
}
/// <summary>
/// Initializes this composition.
/// </summary>
public void Initialize()
{
_models = new List <UIModel>();
_connections = new List <UIConnection>();
_triggerInvokeTime = new DateTime(1900, 1, 1);
_showEventsInListbox = true;
_logFileName = "CompositionRun.log";
_oprFile = null;
_oprUnsaved = false;
_runThread = null;
_running = false;
_runInSameThread = false;
AssemblySupport.ReleaseAll();
}
/// <summary>
/// Sets this model according to OMI file.
/// </summary>
/// <param name="filename">Relative or absolute path to OMI file describing the model.</param>
/// <param name="relativeDirectory">Directory <c>filename</c> is relative to, or <c>null</c> if <c>filename</c> is absolute or relative to current directory.</param>
/// <remarks>See <see cref="Utils.GetFileInfo">Utils.GetFileInfo</see> for more info about how
/// specified file is searched.</remarks>
public void ReadOMIFile(string relativeDirectory, string filename)
{
// Open OMI file as xmlDocument
FileInfo omiFileInfo = Utils.GetFileInfo(relativeDirectory, filename);
if (!omiFileInfo.Exists)
{
throw(new Exception("Omi file not found (CurrentDirectory='" + Directory.GetCurrentDirectory() + "', File='" + filename + "')"));
}
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(omiFileInfo.FullName);
// get 1st LinkableComponent element
XmlElement xmlLinkableComponent = null;
foreach (XmlNode node in xmlDocument.ChildNodes)
{
if (node.Name == "LinkableComponent")
{
xmlLinkableComponent = (XmlElement)node;
break;
}
}
// load assembly if present (from relative location of the OMI file)
if (xmlLinkableComponent == null)
{
throw new Exception("No linkable components found in composition file " + omiFileInfo);
}
else
{
string assemblyFilename = xmlLinkableComponent.GetAttribute("Assembly");
if (assemblyFilename != null)
{
AssemblySupport.LoadAssembly(omiFileInfo.DirectoryName, assemblyFilename);
}
}
// read arguments
ArrayList linkableComponentArguments = new ArrayList();
foreach (XmlElement xmlArguments in xmlLinkableComponent.ChildNodes)
{
if (xmlArguments.Name == "Arguments")
{
foreach (XmlElement xmlArgument in xmlArguments.ChildNodes)
{
linkableComponentArguments.Add(new Argument(xmlArgument.GetAttribute("Key"), xmlArgument.GetAttribute("Value"), true, "No description"));
}
}
}
// get new instance of ILinkableComponent type
// for this moment set current directory to omi file's directory
string oldDirectory = Directory.GetCurrentDirectory();
try
{
Directory.SetCurrentDirectory(omiFileInfo.DirectoryName);
string classTypeName = xmlLinkableComponent.GetAttribute("Type");
object obj = AssemblySupport.GetNewInstance(classTypeName);
if (!(obj is ILinkableComponent))
{
throw new Exception("\n\nThe class type " + classTypeName + " in\n" +
filename +
"\nis not an OpenMI.Standard.ILinkableComponent (OpenMI.Standard.dll version 1.4.0.0)." +
"\nYou may have specified a wrong class name, " +
"\nor the class implements the ILinkableComponent interface of a previous version of the OpenMI Standard.\n");
}
_linkableComponent = (ILinkableComponent)obj;
_linkableComponent.Initialize((IArgument[])linkableComponentArguments.ToArray(typeof(IArgument)));
}
finally
{
Directory.SetCurrentDirectory(oldDirectory);
}
_omiFilename = omiFileInfo.FullName;
_modelID = _linkableComponent.ModelID;
// remote components have rectangle style
string componentDescription = _linkableComponent.ComponentDescription;
if (componentDescription != null)
{
if (componentDescription.IndexOf("OpenMI.Distributed") >= 0)
{
_rectanglePen.DashStyle = DashStyle.Dash;
}
}
}