protected async override Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken cancellationToken)
{
IInvoker invoker = JavaScope.GetJavaInvoker(context);
var fieldName = FieldName.Get(context) ?? throw new ArgumentNullException(Resources.FieldName);
var javaObject = TargetObject.Get(context);
var className = TargetType.Get(context);
if (javaObject == null && className == null)
{
throw new InvalidOperationException(Resources.InvokationObjectException);
}
JavaObject instance;
try
{
instance = await invoker.InvokeGetField(javaObject, fieldName, className, cancellationToken);
}
catch (Exception e)
{
Trace.TraceError($"Could not get java field: {e}");
throw new InvalidOperationException(Resources.GetFieldException, e);
}
return(asyncCodeActivityContext =>
{
Result.Set(asyncCodeActivityContext, instance);
});
}
protected async override Task <Action <AsyncCodeActivityContext> > ExecuteAsync(AsyncCodeActivityContext context, CancellationToken cancellationToken)
{
IInvoker invoker = JavaScope.GetJavaInvoker(context);
var methodName = MethodName.Get(context) ?? throw new ArgumentNullException(Resources.MethodName);
JavaObject javaObject = TargetObject.Get(context);
string className = TargetType.Get(context);
if (javaObject == null && string.IsNullOrWhiteSpace(className))
{
throw new InvalidOperationException(Resources.InvokationObjectException);
}
List <object> parameters = GetParameters(context);
var types = GetParameterTypes(context, parameters);
JavaObject instance = null;
try
{
instance = await invoker.InvokeMethod(methodName, className, javaObject, parameters, types, cancellationToken);
}
catch (Exception e)
{
Trace.TraceError($"The method could not be invoked: {e}");
throw new InvalidOperationException(Resources.InvokeMethodException, e);
}
return(asyncCodeActivityContext =>
{
Result.Set(asyncCodeActivityContext, instance);
});
}
// Module defining this command
// Optional custom code for this activity
/// <summary>
/// Returns a configured instance of System.Management.Automation.PowerShell, pre-populated with the command to run.
/// </summary>
/// <param name="context">The NativeActivityContext for the currently running activity.</param>
/// <returns>A populated instance of Sytem.Management.Automation.PowerShell</returns>
/// <remarks>The infrastructure takes responsibility for closing and disposing the PowerShell instance returned.</remarks>
protected override ActivityImplementationContext GetPowerShell(NativeActivityContext context)
{
System.Management.Automation.PowerShell invoker = global::System.Management.Automation.PowerShell.Create();
System.Management.Automation.PowerShell targetCommand = invoker.AddCommand(PSCommandName);
// Initialize the arguments
if (Exception.Expression != null)
{
targetCommand.AddParameter("Exception", Exception.Get(context));
}
if (Message.Expression != null)
{
targetCommand.AddParameter("Message", Message.Get(context));
}
if (ErrorRecord.Expression != null)
{
targetCommand.AddParameter("ErrorRecord", ErrorRecord.Get(context));
}
if (Category.Expression != null)
{
targetCommand.AddParameter("Category", Category.Get(context));
}
if (ErrorId.Expression != null)
{
targetCommand.AddParameter("ErrorId", ErrorId.Get(context));
}
if (TargetObject.Expression != null)
{
targetCommand.AddParameter("TargetObject", TargetObject.Get(context));
}
if (RecommendedAction.Expression != null)
{
targetCommand.AddParameter("RecommendedAction", RecommendedAction.Get(context));
}
if (CategoryActivity.Expression != null)
{
targetCommand.AddParameter("CategoryActivity", CategoryActivity.Get(context));
}
if (CategoryReason.Expression != null)
{
targetCommand.AddParameter("CategoryReason", CategoryReason.Get(context));
}
if (CategoryTargetName.Expression != null)
{
targetCommand.AddParameter("CategoryTargetName", CategoryTargetName.Get(context));
}
if (CategoryTargetType.Expression != null)
{
targetCommand.AddParameter("CategoryTargetType", CategoryTargetType.Get(context));
}
return(new ActivityImplementationContext()
{
PowerShellInstance = invoker
});
}
