WRZOOZ/jade2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Reformatted code

Browse Source
This commit is contained in:
Jakub Wiewióra
2023-01-14 16:34:06 +01:00
parent 7bbcfaed36
commit 6659f96257
5 changed files with 306 additions and 246 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
.gitignore vendored Normal file
View File

@@ -0,0 +1,5 @@
*
!build.xml
!jade
!src
!.gitignore

274
src/BookBuyerAgent.java
View File

@@ -10,57 +10,59 @@ import jade.domain.FIPAException;
import jade.domain.FIPAAgentManagement.DFAgentDescription; import jade.domain.FIPAAgentManagement.DFAgentDescription;
import jade.domain.FIPAAgentManagement.ServiceDescription; import jade.domain.FIPAAgentManagement.ServiceDescription;
public class BookBuyerAgent extends Agent { public class BookBuyerAgent extends Agent
private BookBuyerGui myGui; {
private String targetBookTitle; private BookBuyerGui myGui;
private String targetBookTitle;
//list of found sellers //list of found sellers
private AID[] sellerAgents; private AID[] sellerAgents;
protected void setup() { protected void setup()
targetBookTitle = ""; {
System.out.println("Hello! " + getAID().getLocalName() + " is ready for the purchase order."); targetBookTitle = "";
myGui = new BookBuyerGui(this); System.out.println("Hello! " + getAID().getLocalName() + " is ready for the purchase order.");
myGui.display(); myGui = new BookBuyerGui(this);
myGui.display();
//time interval for buyer for sending subsequent CFP //time interval for buyer for sending subsequent CFP
//as a CLI argument //as a CLI argument
int interval = 20000; int interval = 20000;
Object[] args = getArguments(); Object[] args = getArguments();
if (args != null && args.length > 0) interval = Integer.parseInt(args[0].toString()); if (args != null && args.length > 0) interval = Integer.parseInt(args[0].toString());
addBehaviour(new TickerBehaviour(this, interval) addBehaviour(new TickerBehaviour(this, interval)
{ {
protected void onTick() protected void onTick()
{ {
//search only if the purchase task was ordered //search only if the purchase task was ordered
if (!targetBookTitle.equals("")) if (!targetBookTitle.equals(""))
{ {
System.out.println(getAID().getLocalName() + ": I'm looking for " + targetBookTitle); System.out.println(getAID().getLocalName() + ": I'm looking for " + targetBookTitle);
//update a list of known sellers (DF) //update a list of known sellers (DF)
DFAgentDescription template = new DFAgentDescription(); DFAgentDescription template = new DFAgentDescription();
ServiceDescription sd = new ServiceDescription(); ServiceDescription sd = new ServiceDescription();
sd.setType("book-selling"); sd.setType("book-selling");
template.addServices(sd); template.addServices(sd);
try try
{ {
DFAgentDescription[] result = DFService.search(myAgent, template); DFAgentDescription[] result = DFService.search(myAgent, template);
System.out.println(getAID().getLocalName() + ": the following sellers have been found"); System.out.println(getAID().getLocalName() + ": the following sellers have been found");
sellerAgents = new AID[result.length]; sellerAgents = new AID[result.length];
for (int i = 0; i < result.length; ++i) for (int i = 0; i < result.length; ++i)
{ {
sellerAgents[i] = result[i].getName(); sellerAgents[i] = result[i].getName();
System.out.println(sellerAgents[i].getLocalName()); System.out.println(sellerAgents[i].getLocalName());
} }
} }
catch (FIPAException fe) catch (FIPAException fe)
{ {
fe.printStackTrace(); fe.printStackTrace();
} }
myAgent.addBehaviour(new RequestPerformer()); myAgent.addBehaviour(new RequestPerformer());
} }
} }
}); });
} }
//invoked from GUI, when purchase was ordered //invoked from GUI, when purchase was ordered
public void lookForTitle(final String title) public void lookForTitle(final String title)
@@ -75,99 +77,111 @@ public class BookBuyerAgent extends Agent {
}); });
} }
protected void takeDown() { protected void takeDown()
{
myGui.dispose(); myGui.dispose();
System.out.println("Buyer agent " + getAID().getLocalName() + " terminated."); System.out.println("Buyer agent " + getAID().getLocalName() + " terminated.");
} }
private class RequestPerformer extends Behaviour { private class RequestPerformer extends Behaviour
private AID bestSeller; {
private int bestPrice; private AID bestSeller;
private int repliesCnt = 0; private int bestPrice;
private MessageTemplate mt; private int repliesCnt = 0;
private int step = 0; private MessageTemplate mt;
private int step = 0;
public void action() { public void action()
switch (step) { {
case 0: switch (step)
//call for proposal (CFP) to found sellers {
ACLMessage cfp = new ACLMessage(ACLMessage.CFP); case 0:
for (int i = 0; i < sellerAgents.length; ++i) { //call for proposal (CFP) to found sellers
cfp.addReceiver(sellerAgents[i]); ACLMessage cfp = new ACLMessage(ACLMessage.CFP);
} for (int i = 0; i < sellerAgents.length; ++i)
cfp.setContent(targetBookTitle); {
cfp.setConversationId("book-trade"); cfp.addReceiver(sellerAgents[i]);
cfp.setReplyWith("cfp"+System.currentTimeMillis()); //unique value }
myAgent.send(cfp); cfp.setContent(targetBookTitle);
mt = MessageTemplate.and(MessageTemplate.MatchConversationId("book-trade"), cfp.setConversationId("book-trade");
MessageTemplate.MatchInReplyTo(cfp.getReplyWith())); cfp.setReplyWith("cfp"+System.currentTimeMillis()); //unique value
step = 1; myAgent.send(cfp);
break; mt = MessageTemplate.and(MessageTemplate.MatchConversationId("book-trade"),
case 1: MessageTemplate.MatchInReplyTo(cfp.getReplyWith()));
//collect proposals step = 1;
ACLMessage reply = myAgent.receive(mt); break;
if (reply != null) { case 1:
if (reply.getPerformative() == ACLMessage.PROPOSE) { //collect proposals
//proposal received ACLMessage reply = myAgent.receive(mt);
int price = Integer.parseInt(reply.getContent()); if (reply != null)
if (bestSeller == null || price < bestPrice) { {
//the best proposal as for now if (reply.getPerformative() == ACLMessage.PROPOSE)
bestPrice = price; {
bestSeller = reply.getSender(); //proposal received
} int price = Integer.parseInt(reply.getContent());
} if (bestSeller == null || price < bestPrice)
repliesCnt++; {
if (repliesCnt >= sellerAgents.length) { //the best proposal as for now
//all proposals have been received bestPrice = price;
step = 2; bestSeller = reply.getSender();
} }
} }
else { repliesCnt++;
block(); if (repliesCnt >= sellerAgents.length)
} {
break; //all proposals have been received
case 2: step = 2;
//best proposal consumption - purchase }
ACLMessage order = new ACLMessage(ACLMessage.ACCEPT_PROPOSAL); }
order.addReceiver(bestSeller); else
order.setContent(targetBookTitle); {
order.setConversationId("book-trade"); block();
order.setReplyWith("order"+System.currentTimeMillis()); }
myAgent.send(order); break;
mt = MessageTemplate.and(MessageTemplate.MatchConversationId("book-trade"), case 2:
MessageTemplate.MatchInReplyTo(order.getReplyWith())); //best proposal consumption - purchase
step = 3; ACLMessage order = new ACLMessage(ACLMessage.ACCEPT_PROPOSAL);
break; order.addReceiver(bestSeller);
case 3: order.setContent(targetBookTitle);
//seller confirms the transaction order.setConversationId("book-trade");
reply = myAgent.receive(mt); order.setReplyWith("order"+System.currentTimeMillis());
if (reply != null) { myAgent.send(order);
if (reply.getPerformative() == ACLMessage.INFORM) { mt = MessageTemplate.and(MessageTemplate.MatchConversationId("book-trade"),
//purchase succeeded MessageTemplate.MatchInReplyTo(order.getReplyWith()));
System.out.println(getAID().getLocalName() + ": " + targetBookTitle + " purchased for " + bestPrice + " from " + reply.getSender().getLocalName()); step = 3;
System.out.println(getAID().getLocalName() + ": waiting for the next purchase order."); break;
targetBookTitle = ""; case 3:
//myAgent.doDelete(); //seller confirms the transaction
} reply = myAgent.receive(mt);
else { if (reply != null) {
System.out.println(getAID().getLocalName() + ": purchase has failed. " + targetBookTitle + " was sold in the meantime."); if (reply.getPerformative() == ACLMessage.INFORM) {
} //purchase succeeded
step = 4; //this state ends the purchase process System.out.println(getAID().getLocalName() + ": " + targetBookTitle + " purchased for " + bestPrice + " from " + reply.getSender().getLocalName());
} System.out.println(getAID().getLocalName() + ": waiting for the next purchase order.");
else { targetBookTitle = "";
block(); //myAgent.doDelete();
} }
break; else {
} System.out.println(getAID().getLocalName() + ": purchase has failed. " + targetBookTitle + " was sold in the meantime.");
} }
step = 4; //this state ends the purchase process
}
else {
block();
}
break;
}
}
public boolean done() { public boolean done()
if (step == 2 && bestSeller == null) { {
System.out.println(getAID().getLocalName() + ": " + targetBookTitle + " is not on sale."); if (step == 2 && bestSeller == null)
} {
//process terminates here if purchase has failed (title not on sale) or book was successfully bought System.out.println(getAID().getLocalName() + ": " + targetBookTitle + " is not on sale.");
return ((step == 2 && bestSeller == null) || step == 4); }
} //process terminates here if purchase has failed (title not on sale) or book was successfully bought
return ((step == 2 && bestSeller == null) || step == 4);
}
} }
} }

33
src/BookBuyerGui.java
View File

@@ -6,12 +6,14 @@ import java.awt.*;
import java.awt.event.*; import java.awt.event.*;
import javax.swing.*; import javax.swing.*;
class BookBuyerGui extends JFrame { class BookBuyerGui extends JFrame
{
private BookBuyerAgent myAgent; private BookBuyerAgent myAgent;
private JTextField titleField; private JTextField titleField;
BookBuyerGui(BookBuyerAgent a) { BookBuyerGui(BookBuyerAgent a)
{
super(a.getLocalName()); super(a.getLocalName());
myAgent = a; myAgent = a;
@@ -24,14 +26,18 @@ class BookBuyerGui extends JFrame {
getContentPane().add(p, BorderLayout.CENTER); getContentPane().add(p, BorderLayout.CENTER);
JButton addButton = new JButton("Search"); JButton addButton = new JButton("Search");
addButton.addActionListener( new ActionListener() { addButton.addActionListener( new ActionListener()
public void actionPerformed(ActionEvent ev) { {
try { public void actionPerformed(ActionEvent ev)
{
try
{
String title = titleField.getText().trim(); String title = titleField.getText().trim();
myAgent.lookForTitle(title); myAgent.lookForTitle(title);
titleField.setText(""); titleField.setText("");
} }
catch (Exception e) { catch (Exception e)
{
JOptionPane.showMessageDialog(BookBuyerGui.this, "Invalid values. " + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE); JOptionPane.showMessageDialog(BookBuyerGui.this, "Invalid values. " + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);
} }
} }
@@ -40,16 +46,21 @@ class BookBuyerGui extends JFrame {
p.add(addButton); p.add(addButton);
getContentPane().add(p, BorderLayout.SOUTH); getContentPane().add(p, BorderLayout.SOUTH);
addWindowListener(new WindowAdapter() { addWindowListener(
public void windowClosing(WindowEvent e) { new WindowAdapter()
myAgent.doDelete(); {
public void windowClosing(WindowEvent e)
{
myAgent.doDelete();
}
} }
} ); );
setResizable(false); setResizable(false);
} }
public void display() { public void display()
{
pack(); pack();
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int centerX = (int)screenSize.getWidth() / 2; int centerX = (int)screenSize.getWidth() / 2;

205
src/BookSellerAgent.java
View File

@@ -11,108 +11,131 @@ import jade.domain.FIPAAgentManagement.ServiceDescription;
import java.util.*; import java.util.*;
public class BookSellerAgent extends Agent { public class BookSellerAgent extends Agent
private Hashtable catalogue; {
private BookSellerGui myGui; private Hashtable catalogue;
private BookSellerGui myGui;
protected void setup() { protected void setup()
catalogue = new Hashtable(); {
myGui = new BookSellerGui(this); catalogue = new Hashtable();
myGui.display(); myGui = new BookSellerGui(this);
myGui.display();
//book selling service registration at DF //book selling service registration at DF
DFAgentDescription dfd = new DFAgentDescription(); DFAgentDescription dfd = new DFAgentDescription();
dfd.setName(getAID()); dfd.setName(getAID());
ServiceDescription sd = new ServiceDescription(); ServiceDescription sd = new ServiceDescription();
sd.setType("book-selling"); sd.setType("book-selling");
sd.setName("JADE-book-trading"); sd.setName("JADE-book-trading");
dfd.addServices(sd); dfd.addServices(sd);
try { try
DFService.register(this, dfd); {
} DFService.register(this, dfd);
catch (FIPAException fe) { }
fe.printStackTrace(); catch (FIPAException fe)
} {
fe.printStackTrace();
}
addBehaviour(new OfferRequestsServer()); addBehaviour(new OfferRequestsServer());
addBehaviour(new PurchaseOrdersServer()); addBehaviour(new PurchaseOrdersServer());
} }
protected void takeDown() { protected void takeDown()
//book selling service deregistration at DF {
try { //book selling service deregistration at DF
DFService.deregister(this); try
} {
catch (FIPAException fe) { DFService.deregister(this);
fe.printStackTrace(); }
} catch (FIPAException fe)
myGui.dispose(); {
System.out.println("Seller agent " + getAID().getName() + " terminated."); fe.printStackTrace();
} }
//invoked from GUI, when a new book is added to the catalogue myGui.dispose();
public void updateCatalogue(final String title, final int price) { System.out.println("Seller agent " + getAID().getName() + " terminated.");
addBehaviour(new OneShotBehaviour() { }
public void action() {
catalogue.put(title, new Integer(price));
System.out.println(getAID().getLocalName() + ": " + title + " put into the catalogue. Price = " + price);
}
} );
}
private class OfferRequestsServer extends CyclicBehaviour { //invoked from GUI, when a new book is added to the catalogue
public void action() { public void updateCatalogue(final String title, final int price)
//proposals only template {
MessageTemplate mt = MessageTemplate.MatchPerformative(ACLMessage.CFP); addBehaviour(new OneShotBehaviour()
ACLMessage msg = myAgent.receive(mt); {
if (msg != null) { public void action()
String title = msg.getContent(); {
ACLMessage reply = msg.createReply(); catalogue.put(title, new Integer(price));
Integer price = (Integer) catalogue.get(title); System.out.println(getAID().getLocalName() + ": " + title + " put into the catalogue. Price = " + price);
if (price != null) { }
//title found in the catalogue, respond with its price as a proposal } );
reply.setPerformative(ACLMessage.PROPOSE); }
reply.setContent(String.valueOf(price.intValue()));
} private class OfferRequestsServer extends CyclicBehaviour
else { {
//title not found in the catalogue public void action()
reply.setPerformative(ACLMessage.REFUSE); {
reply.setContent("not-available"); //proposals only template
} MessageTemplate mt = MessageTemplate.MatchPerformative(ACLMessage.CFP);
myAgent.send(reply); ACLMessage msg = myAgent.receive(mt);
} if (msg != null)
else { {
block(); String title = msg.getContent();
} ACLMessage reply = msg.createReply();
} Integer price = (Integer) catalogue.get(title);
if (price != null)
{
//title found in the catalogue, respond with its price as a proposal
reply.setPerformative(ACLMessage.PROPOSE);
reply.setContent(String.valueOf(price.intValue()));
}
else
{
//title not found in the catalogue
reply.setPerformative(ACLMessage.REFUSE);
reply.setContent("not-available");
}
myAgent.send(reply);
}
else
{
block();
}
}
} }
private class PurchaseOrdersServer extends CyclicBehaviour { private class PurchaseOrdersServer extends CyclicBehaviour
public void action() { {
//purchase order as proposal acceptance only template public void action()
MessageTemplate mt = MessageTemplate.MatchPerformative(ACLMessage.ACCEPT_PROPOSAL); {
ACLMessage msg = myAgent.receive(mt); //purchase order as proposal acceptance only template
if (msg != null) { MessageTemplate mt = MessageTemplate.MatchPerformative(ACLMessage.ACCEPT_PROPOSAL);
String title = msg.getContent(); ACLMessage msg = myAgent.receive(mt);
ACLMessage reply = msg.createReply(); if (msg != null)
Integer price = (Integer) catalogue.remove(title); {
if (price != null) { String title = msg.getContent();
reply.setPerformative(ACLMessage.INFORM); ACLMessage reply = msg.createReply();
System.out.println(getAID().getLocalName() + ": " + title + " sold to " + msg.getSender().getLocalName()); Integer price = (Integer) catalogue.remove(title);
} if (price != null)
else { {
//title not found in the catalogue, sold to another agent in the meantime (after proposal submission) reply.setPerformative(ACLMessage.INFORM);
reply.setPerformative(ACLMessage.FAILURE); System.out.println(getAID().getLocalName() + ": " + title + " sold to " + msg.getSender().getLocalName());
reply.setContent("not-available"); }
} else
myAgent.send(reply); {
} //title not found in the catalogue, sold to another agent in the meantime (after proposal submission)
else { reply.setPerformative(ACLMessage.FAILURE);
block(); reply.setContent("not-available");
}
myAgent.send(reply);
}
else
{
block();
}
} }
}
} }
} }

21
src/BookSellerGui.java
View File

@@ -6,12 +6,14 @@ import java.awt.*;
import java.awt.event.*; import java.awt.event.*;
import javax.swing.*; import javax.swing.*;
class BookSellerGui extends JFrame { class BookSellerGui extends JFrame
{
private BookSellerAgent myAgent; private BookSellerAgent myAgent;
private JTextField titleField, priceField; private JTextField titleField, priceField;
BookSellerGui(BookSellerAgent a) { BookSellerGui(BookSellerAgent a)
{
super(a.getLocalName()); super(a.getLocalName());
myAgent = a; myAgent = a;
@@ -27,9 +29,11 @@ class BookSellerGui extends JFrame {
getContentPane().add(p, BorderLayout.CENTER); getContentPane().add(p, BorderLayout.CENTER);
JButton addButton = new JButton("Add"); JButton addButton = new JButton("Add");
addButton.addActionListener( new ActionListener() { addButton.addActionListener( new ActionListener()
{
public void actionPerformed(ActionEvent ev) { public void actionPerformed(ActionEvent ev) {
try { try
{
String title = titleField.getText().trim(); String title = titleField.getText().trim();
String price = priceField.getText().trim(); String price = priceField.getText().trim();
myAgent.updateCatalogue(title, Integer.parseInt(price)); myAgent.updateCatalogue(title, Integer.parseInt(price));
@@ -45,8 +49,10 @@ class BookSellerGui extends JFrame {
p.add(addButton); p.add(addButton);
getContentPane().add(p, BorderLayout.SOUTH); getContentPane().add(p, BorderLayout.SOUTH);
addWindowListener(new WindowAdapter() { addWindowListener(new WindowAdapter()
public void windowClosing(WindowEvent e) { {
public void windowClosing(WindowEvent e)
{
myAgent.doDelete(); myAgent.doDelete();
} }
} ); } );
@@ -54,7 +60,8 @@ class BookSellerGui extends JFrame {
setResizable(false); setResizable(false);
} }
public void display() { public void display()
{
pack(); pack();
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
int centerX = (int)screenSize.getWidth() / 2; int centerX = (int)screenSize.getWidth() / 2;