private Assembly Compile(bool fireChanged)
{
var assembly = base.Compile();
var types = assembly.GetTypes();
if (!types.Any(x => typeof(CompiledProblemDefinition).IsAssignableFrom(x)))
{
throw new ProblemDefinitionScriptException("The compiled code doesn't contain a problem definition." + Environment.NewLine +
$"The problem definition must be a subclass of {nameof(CompiledProblemDefinition)} and implement {nameof(ILinearProblemDefinition)}.");
}
if (types.Count(x => typeof(CompiledProblemDefinition).IsAssignableFrom(x)) > 1)
{
throw new ProblemDefinitionScriptException("The compiled code contains multiple problem definitions." + Environment.NewLine +
$"Only one subclass of {nameof(CompiledProblemDefinition)} is allowed.");
}
CompiledProblemDefinition inst;
try {
inst = (CompiledProblemDefinition)Activator.CreateInstance(types.Single(x =>
typeof(CompiledProblemDefinition).IsAssignableFrom(x)));
} catch (Exception e) {
compiledProblemDefinition = null;
throw new ProblemDefinitionScriptException(
"Instantiating the problem definition failed." + Environment.NewLine + "Check your default constructor.", e);
}
try {
inst.vars = new Variables(VariableStore);
inst.Initialize();
} catch (Exception e) {
compiledProblemDefinition = null;
throw new ProblemDefinitionScriptException(
"Initializing the problem definition failed." + Environment.NewLine + "Check your Initialize() method.", e);
}
try {
compiledProblemDefinition = (ILinearProblemDefinition)inst;
if (fireChanged)
{
OnProblemDefinitionChanged();
}
} catch (Exception e) {
compiledProblemDefinition = null;
throw new ProblemDefinitionScriptException(
"Using the problem definition in the problem failed." + Environment.NewLine +
"Examine this error message carefully.", e);
}
codeChanged = false;
return(assembly);
}
protected override void OnCodeChanged()
{
base.OnCodeChanged();
compiledProblemDefinition = null;
codeChanged = true;
}
public override void Solve(ILinearProblemDefinition problemDefintion, ResultCollection results, CancellationToken cancellationToken)
{
timeLimit = TimeSpan.Zero;
base.Solve(problemDefintion, results, cancellationToken);
}
