/// <summary>
/// Logistics request. Find an agent that can provide it.
/// </summary>
/// <param name="manufacturer">The supplier agent making the request</param>
private void HandleRequestMessage(Agent author, TransportTask task)
{
// Request the payoff results from the agents in the environment
// which can provide the required service
Task lTask = task;
Message agentRequest = new RequestMessage(this, ref lTask);
messageQueue.SendPost(switchboard, agentRequest);
}
/// <summary>
/// Controller will create a coordination group between the
/// client and the best possible solution agent.
/// Three possibilities can occur when requesting an agent from
/// the operator, all of which will be handled by the payoff function
/// of the agent.
/// IE: A logistics agent is nearby which already has a load but no longer
/// has a client.
/// A manufacturer is nearby which already has capacity but no longer has
/// a client.
/// A manufacturer is nearby which has spare capacity.
/// </summary>
/// <param name="client">Client agent which is making the request</param>
private void HandleRequestMessage(ClientAgent client)
{
// Controller will request payoffs from all agents in the environment
// from the possible payoffs it is possible for the controller to select the
// best agent for the job.
// Create a demand request message and send it to the operator agent.
Task cTask = new ClientTask(client);
Message agentRequest = new RequestMessage(this, ref cTask);
messageQueue.SendPost(switchboard, agentRequest);
// Check if the communication edge is already set
communicationNode.AddEdge(client.CommunicationNode);
}
/// <summary>
/// Manufacturer is requesting supply. Find an agent that can provide it.
/// </summary>
/// <param name="manufacturer">The manufacturer agent making the request</param>
private void HandleRequestMessage(ManufacturerAgent manufacturer)
{
Task mTask = manufacturer.Task;
// Request the payoff results from the agents in the environment
// which can provide the required service
Message agentRequest = new RequestMessage(this, ref mTask);
messageQueue.SendPost(switchboard, agentRequest);
}
/// <summary>
/// The client agent will need to keep track of the agents that it
/// is coordinating with in order to minimise waste.
/// </summary>
protected override void Sensor()
{
// Check for the Controller
RequestController();
// Determine if more demand is required
if (demand == 0) {
demand = rnd.Next(MIN_DEMAND, MAX_DEMAND);
Update(this, "Quantity", "Quantity: " + demand.ToString());
}
// If demand is required then send a request to the controller for a manufacturer
// Only if the agents do not have a current manufacturer and the agent
// knows who the controller is.
if (demand > 0 && manager != null && assignedTask == null) {
// Send a request to the controller to form a coordination group
// with the closest manufacturer.
Message aMessage = new RequestMessage(this, demand);
messageQueue.SendPost(manager, aMessage);
}
}
/// <summary>
/// Handles a request message from the Controller for agents which can
/// help fulfill the task request. The Operator will send a request
/// to all of the agents in the communication graph connected directly with
/// the operator to request the participating agents payoff functions.
/// </summary>
/// <param name="destination">Controller agent which made the request</param>
/// <param name="task">A Manufacturer request for supply. Required in order to calculate a realistic payoff function.</param>
private void HandleRequestMessage(Agent destination, Task task)
{
// Step through each agent in the communication graph connected to the operator
foreach (CommunicationGraphEdge e in communicationNode.Edges) {
// Send a payoff request to the agent which is not the operator
Agent a = e.DestinationNode.Value;
RequestMessage r = new RequestMessage(this, ref task);
messageQueue.SendPost(a, r);
}
if (task.RegisteredAgents.Count > 0)
task.RegisteredAgents.Sort(task.RegisteredAgents[0]);
// Send the results back to the controller
InformMessage i = new InformMessage(this, task);
messageQueue.SendPost(destination, i);
}
/// <summary>
/// Use this call to identify the Controller from the Operator
/// </summary>
protected void RequestController()
{
if (manager == null) {
// Generate a new request message for the controller
Clockwork.Telegram.Message m = new RequestMessage(this, manager);
messageQueue.SendPost(switchboard, m);
}
}
/// <summary>
/// When the manufacturer performs a sensor action it will determine the following.
/// Is the Manufacturer part of a coordination group with a client agent
/// * If so it will determine if it has enough product on hand to supply the client agent
/// * If not a failure might have occured, ensure that the missing client is intentional
/// If the manufacturer needs stock it will need to coordinate with a supplier, else
/// if will need to coordinate with a logistics agent to deliver the product.
/// </summary>
protected override void Sensor()
{
// Check if the agent is part of a coordination group
if (assignedTask != null) {
// Check if the agent has enough product. If so send a request for a logistics
// agent.
if (product >= ((ManufacturerTask)assignedTask).Demand && ((ManufacturerTask)assignedTask).Transport == null) {
// Request a logistics agent to collect the product for the client
Task task = new TransportTask(this, ((ManufacturerTask)assignedTask).Client, ((ManufacturerTask)assignedTask).Demand);
RequestMessage m = new RequestMessage(this, ref task);
messageQueue.SendPost(manager, m);
} else if (stock < ((ManufacturerTask)assignedTask).Demand && ((ManufacturerTask)assignedTask).Supplier == null) {
// Request a supplier agent to deliver the stock for the manufacturer
RequestMessage m = new RequestMessage(this, assignedTask);
messageQueue.SendPost(manager, m);
}
}
}
/// <summary>
/// The supplier will check if it has any current tasks that it
/// needs to fufill.
/// </summary>
protected override void Sensor()
{
if (assignedTask != null) {
// Check when the supplier has got enough stock on hand to deliver to the
// manufacturer
if (supply >= ((SupplierTask)assignedTask).OrderAmount && ((SupplierTask)assignedTask).Transport == null) {
// Send a request for a logistics agent to come and collect the order
Task task = new TransportTask(this, ((SupplierTask)assignedTask).Manufacturer, ((SupplierTask)assignedTask).OrderAmount);
RequestMessage m = new RequestMessage(this, ref task);
messageQueue.SendPost(manager, m);
}
}
}
