public static ProcessDescription GetProcessDescription(string processId)
{
AppDomain mainDomain = AppDomain.CurrentDomain;
// A secondary operation domain has to be used so that the assemblies can be loaded/unloaded, as the function Assembly
AppDomain operationDomain = null;
ProcessDescription result = null;
try
{
operationDomain = Utils.CreateDomain();
Utils.AssemblyLoader assemblyLoader = Utils.AssemblyLoader.Create(operationDomain);
assemblyLoader.Load(Utils.MapPath(Global.ProcessesBinPath + processId + ".dll"));
result = (ProcessDescription)assemblyLoader.ExecuteMethod("WPSProcess." + processId, "GetDescription", null, null);
AppDomain.Unload(operationDomain);
}
catch (Exception /*e*/)
{
if (operationDomain != null)
{
AppDomain.Unload(operationDomain);
}
throw new ExceptionReport("Unable to retrieve the description of the process '" + processId + "'.\nEnsure that the Identifier parameter really is the name of a service proposed on this server. The name is case dependent. The name of the available processes can be get with the GetCapabilities operation.", ExceptionCode.InvalidParameterValue, "Identifier");
}
return(result);
}
public ProcessReturnValue CallProcess(ProcessInputParams args, ResponseFormType responseForm, bool asynchronous)
{
// A secondary operation domain has to be used so that the assemblies can be loaded/unloaded, as the function Assembly
AppDomain operationDomain = null;
ProcessReturnValue result = null;
try
{
ArrayList methodArgs = new ArrayList();
methodArgs.Add(args);
ProcessReturnValue processReturnValue = new ProcessReturnValue();
processReturnValue.responseForm = responseForm;
methodArgs.Add(processReturnValue);
operationDomain = Utils.CreateDomain();
if (!asynchronous)
{
// Load the assembly corresponding to the requested process
Utils.AssemblyLoader assemblyLoader = Utils.AssemblyLoader.Create(operationDomain);
assemblyLoader.Load(Utils.MapPath(Global.ProcessesBinPath + Identifier + ".dll"));
result = (ProcessReturnValue)assemblyLoader.ExecuteMethod(processClass, processMethod, methodArgs.ToArray(), null);
AppDomain.Unload(operationDomain);
}
else
{
asyncOperationDomain = operationDomain;
asyncLoader = Utils.AssemblyLoader.Create(operationDomain);
asyncLoader.Load(Utils.MapPath(Global.ProcessesBinPath + Identifier + ".dll"));
result = (ProcessReturnValue)asyncLoader.ExecuteAsyncMethod(processClass, processMethod, methodArgs.ToArray(), new object[] { AppDomain.CurrentDomain, Global.StoredResultsPath, Utils.ResolveUrl(Global.StoredResultsPath) });
}
}
catch (ExceptionReport e)
{
if (operationDomain != null)
{
AppDomain.Unload(operationDomain);
}
throw new ExceptionReport(e, "An error occurred when invoking the process: " + Identifier + ". Check the process parameters. If necessary, contact the administrator.");
}
catch (Exception e)
{
if (operationDomain != null)
{
AppDomain.Unload(operationDomain);
}
throw new ExceptionReport("An error occurred when invoking the process: " + Identifier + ". Contact the administrator.\n" + e.ToString());
}
return(result);
}
public ProcessReturnValue CallProcess(ProcessInputParams args, ResponseFormType responseForm, bool asynchronous)
{
// A secondary operation domain has to be used so that the assemblies can be loaded/unloaded, as the function Assembly
AppDomain operationDomain = null;
ProcessReturnValue result = null;
try
{
ArrayList methodArgs = new ArrayList();
methodArgs.Add(args);
ProcessReturnValue processReturnValue = new ProcessReturnValue();
processReturnValue.responseForm = responseForm;
methodArgs.Add(processReturnValue);
operationDomain = Utils.CreateDomain();
if (!asynchronous)
{
// Load the assembly corresponding to the requested process
Utils.AssemblyLoader assemblyLoader = Utils.AssemblyLoader.Create(operationDomain);
assemblyLoader.Load(Utils.MapPath(Global.ProcessesBinPath + Identifier + ".dll"));
result = (ProcessReturnValue)assemblyLoader.ExecuteMethod(processClass, processMethod, methodArgs.ToArray(), null);
AppDomain.Unload(operationDomain);
}
else
{
asyncOperationDomain = operationDomain;
asyncLoader = Utils.AssemblyLoader.Create(operationDomain);
asyncLoader.Load(Utils.MapPath(Global.ProcessesBinPath + Identifier + ".dll"));
result = (ProcessReturnValue)asyncLoader.ExecuteAsyncMethod(processClass, processMethod, methodArgs.ToArray(), new object[] { AppDomain.CurrentDomain, Global.StoredResultsPath, Utils.ResolveUrl(Global.StoredResultsPath) });
}
}
catch (ExceptionReport e)
{
if (operationDomain != null) AppDomain.Unload(operationDomain);
throw new ExceptionReport(e, "An error occurred when invoking the process: " + Identifier + ". Check the process parameters. If necessary, contact the administrator.");
}
catch (Exception e)
{
if (operationDomain != null) AppDomain.Unload(operationDomain);
throw new ExceptionReport("An error occurred when invoking the process: " + Identifier + ". Contact the administrator.\n" + e.ToString());
}
return result;
}
