/// <summary>
/// Evaluate the link
/// </summary>
/// <param name="env"></param>
/// <returns>evaluation result true if a link condition has been satisfied. </returns>
public async Task <bool> Evaluate(IProcessRuntimeEnvironment env)
{
if (_script == null)
{
return(await Task.FromResult(true));
}
int val = await _script.Execute(env);
return(val == 1);
}
public async Task <ExecutionResult> ExecuteAsync(IProcessRuntimeEnvironment env)
{
try
{
int result = await _script.Execute(env);
return(new ExecutionResult(result == 1
? StepExecutionStatusEnum.Ready
: StepExecutionStatusEnum.Failed));
}
catch (AggregateException ex)
{
return(new ExecutionResult(StepExecutionStatusEnum.Failed, null, ex.Flatten().Message));
}
catch (Exception ex)
{
return(new ExecutionResult(StepExecutionStatusEnum.Failed, null, ex.Message));
}
}
/// <summary>
/// Validates the on enter on exit criteria.
/// </summary>
/// <param name="env">The env.</param>
/// <param name="rt">The rt.</param>
/// <param name="f">The f.</param>
/// <returns></returns>
private async Task <AsyncValidationResult> ValidateOnEnterOnExit(IProcessRuntimeEnvironment env,
CsScriptRuntime rt, Func <VariableMapDefinition, bool> f)
{
if (!IsCompiled)
{
return(new AsyncValidationResult($"The step Id {_stepDef.StepId} is not compiled."));
}
string[] errors;
if (!TryValidateVariables(env, _stepDef.VariablesMap?.Where(f) ?? new VariableMapDefinition[] { }, out errors))
{
return(new AsyncValidationResult(errors));
}
if (rt == null)
{
return(new AsyncValidationResult());
}
int result = await rt.Execute(env);
return(result == 1 ? new AsyncValidationResult() : new AsyncValidationResult("Script validation fails"));
}