.gitignore

@@ -1,4 +0,0 @@
-.idea
-target
-
-*.idb

FoodChain.iml

@@ -1,2 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4" />

pom.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
-
-    <groupId>cz.cvut.fel.sit.omo.foodchain</groupId>
-    <artifactId>FoodChain</artifactId>
-    <version>1.0-SNAPSHOT</version>
-    <dependencies>
-        <dependency>
-            <groupId>javax.money</groupId>
-            <artifactId>money-api</artifactId>
-            <version>1.0</version>
-        </dependency>
-    </dependencies>
-
-    <properties>
-        <maven.compiler.target>12</maven.compiler.target>
-        <maven.compiler.source>12</maven.compiler.source>
-    </properties>
-
-</project>

src/main/java/cz/cvut/fel/sit/omo/foodchain/FoodChain.java

@@ -1,16 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain;
-
-import cz.cvut.fel.sit.omo.foodchain.factory.FactoryManager;
-
-public class FoodChain {
-
-    private static FactoryManager factoryManager = new FactoryManager();
-
-    public static void main(String[] args) {
-
-    }
-
-    public static FactoryManager getFactoryManager() {
-        return factoryManager;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/channel/ChannelBase.java

@@ -1,89 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.channel;
-
-import cz.cvut.fel.sit.omo.foodchain.operation.Transaction;
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-import cz.cvut.fel.sit.omo.foodchain.requirement.Requirement;
-import cz.cvut.fel.sit.omo.foodchain.util.ChannelObserver;
-import cz.cvut.fel.sit.omo.foodchain.util.Observable;
-
-import java.util.PriorityQueue;
-import java.util.Queue;
-import java.util.Set;
-
-public abstract class ChannelBase implements Observable {
-    protected ProductType productType;
-    protected Queue<Requirement> requirements;
-    protected Queue<Transaction> transactions;
-
-    private Set<ChannelObserver> subscribers;
-
-    public ChannelBase(ProductType type)
-    {
-        this.requirements = new PriorityQueue<>();
-        this.transactions = new PriorityQueue<>();
-        this.productType = type;
-    }
-
-    public ChannelBase()
-    {
-        this.requirements = new PriorityQueue<>();
-        this.transactions = new PriorityQueue<>();
-        this.productType = ProductType.OTHER;
-    }
-
-    public Queue<Transaction> getTransactions()
-    {
-        return this.transactions;
-    }
-
-    public Queue<Requirement> getCurrentRequirements()
-    {
-        return this.requirements;
-    }
-
-    /**
-     * Adds new requirement to the requirement Queue
-     * @param requirement requirement
-     */
-    public void addRequirement(Requirement requirement)
-    {
-        this.requirements.add(requirement);
-        notifyAllObservers();
-    }
-
-    @Override
-    public void notifyAllObservers(){
-        subscribers.forEach(subscriber -> subscriber.update(requirements.peek()));
-    }
-
-    @Override
-    public void attach(ChannelObserver observer){
-        subscribers.add(observer);
-    }
-
-    @Override
-    public void detach(ChannelObserver observer){
-        subscribers.remove(observer);
-    }
-
-    /**
-     * Adds new transaction to the transaction Queue
-     * @param transaction transaction
-     */
-    public void addTransaction(Transaction transaction)
-    {
-        this.transactions.add(transaction);
-    }
-
-    /**
-     * Clears all requirements from this channel
-     */
-    public void clearRequirements()
-    {
-        this.requirements.clear();
-    }
-
-    public ProductType getProductType() {
-        return productType;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/channel/FruitChannel.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.channel;
-
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class FruitChannel extends ChannelBase
-{
-    public FruitChannel()
-    {
-        super(ProductType.FRUIT);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/channel/MeatChannel.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.channel;
-
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class MeatChannel extends ChannelBase
-{
-    public MeatChannel()
-    {
-        super(ProductType.MEAT);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/channel/OtherChannel.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.channel;
-
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class OtherChannel extends ChannelBase
-{
-    public OtherChannel()
-    {
-        super();
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/channel/VegetableChannel.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.channel;
-
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class VegetableChannel extends ChannelBase
-{
-    public VegetableChannel()
-    {
-        super(ProductType.VEGETABLE);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/factory/ChannelFactory.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.factory;
-
-public class ChannelFactory {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/factory/FactoryManager.java

@@ -1,55 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.factory;
-
-import cz.cvut.fel.sit.omo.foodchain.pool.PoolDatabase;
-import cz.cvut.fel.sit.omo.foodchain.util.Singleton;
-
-import java.lang.reflect.InvocationTargetException;
-
-public class FactoryManager {
-
-    public NodeFactory getNodeFactoryInstance() {
-        try {
-            return Singleton.getInstance(NodeFactory.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public ChannelFactory getChannelFactoryInstance() {
-        try {
-            return Singleton.getInstance(ChannelFactory.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public ScenarioFactory getScenarioFactoryInstance() {
-        try {
-            return Singleton.getInstance(ScenarioFactory.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public ProductFactory getProductFactoryInstance() {
-        try {
-            return Singleton.getInstance(ProductFactory.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public PoolDatabase getPoolDatabaseInstance() {
-        try {
-            return Singleton.getInstance(PoolDatabase.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-}
-

src/main/java/cz/cvut/fel/sit/omo/foodchain/factory/NodeFactory.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.factory;
-
-public class NodeFactory {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/factory/ProductFactory.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.factory;
-
-public class ProductFactory {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/factory/ScenarioFactory.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.factory;
-
-public class ScenarioFactory {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/BuyerNodeBase.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class BuyerNodeBase extends NodeBase implements IBuyerNode {
-
-    @Override
-    public void buyProduct(Product product) {
-
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/Customer.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import java.util.Random;
-
-public class Customer extends BuyerNodeBase {
-
-    public void consumeProduct() {
-        int i = new Random().nextInt(getStorage().size());
-        getStorage().remove(i);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/Distributor.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-public class Distributor extends RetailerNodeBase {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/Farmer.java

@@ -1,12 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.operation.TransactionType;
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class Farmer extends SellerNodeBase {
-
-    public void generateProduct(Product product) {
-        storeProduct(product);
-        createRequirement(TransactionType.SALE, product.getProductType(), product.getName());
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/IBuyerNode.java

@@ -1,8 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public interface IBuyerNode {
-
-    void buyProduct(Product product);
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/ISellerNode.java

@@ -1,10 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public interface ISellerNode {
-
-    void sellProduct(Product product);
-
-    void addMargin(Product product);
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/NodeBase.java

@@ -1,135 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.channel.ChannelBase;
-import cz.cvut.fel.sit.omo.foodchain.operation.*;
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-import cz.cvut.fel.sit.omo.foodchain.requirement.Requirement;
-import cz.cvut.fel.sit.omo.foodchain.signature.Signature;
-import cz.cvut.fel.sit.omo.foodchain.signature.SignatureManager;
-import cz.cvut.fel.sit.omo.foodchain.util.ChannelObserver;
-
-import javax.money.MonetaryAmount;
-import java.util.LinkedList;
-import java.util.List;
-
-
-public class NodeBase implements ChannelObserver {
-    private final List<ChannelBase> subscribedChannels;
-    private final List<Product> products;
-    private MonetaryAmount money;
-
-    private final List<Transaction> refusedTranslations;
-
-    public NodeBase() {
-        subscribedChannels = new LinkedList<>();
-        products = new LinkedList<>();
-        refusedTranslations = new LinkedList<>();
-    }
-
-
-    public void sendTransaction(Product product, NodeBase node) {
-        Transaction transaction = new ProductTransaction(this, node, TransactionType.SALE, product);
-
-        subscribedChannels.stream()
-                .filter(ch -> ch.getProductType().equals(product.getProductType()))
-                .findAny().ifPresent(channel -> channel.addTransaction(transaction));
-    }
-
-
-    public void sendTransaction(MonetaryAmount amount, NodeBase node, ProductTransaction prevTransaction) {
-        Transaction transaction = new FinancialTransaction(this, node, TransactionType.PURCHASE, amount, prevTransaction);
-
-        subscribedChannels.stream()
-                .filter(ch -> ch.getProductType().equals(prevTransaction.getProduct().getProductType()))
-                .findAny().ifPresent(channel -> channel.addTransaction(transaction));
-    }
-
-
-    public void receiveTransaction(ProductTransaction transaction) {
-
-    }
-
-
-    public void receiveTransaction(FinancialTransaction transaction) {
-
-    }
-
-
-    public void refuseTransaction(Transaction transaction) {
-        transaction.endTransaction();
-        refusedTranslations.add(transaction); //TODO maybe need more work on it
-    }
-
-    public Transaction readNextTransaction(ChannelBase channel) {
-
-
-        return channel.getNextTransaction();
-    }
-
-
-    public void createRequirement(TransactionType tType, ProductType pType, String pName) {
-        Requirement req = new Requirement(this, tType, pType, pName);
-        subscribedChannels.stream()
-                .filter(ch -> ch.getProductType().equals(pType))
-                .findAny().ifPresent(channel -> channel.addRequirement(req));
-    }
-
-    public void acceptRequirement(Requirement requirement) {
-
-    }
-
-
-    public void subscribeToChannel(ChannelBase channel) {
-        subscribedChannels.add(channel);
-    }
-
-
-    public void unsubscribeFromChannel(ChannelBase channel) {
-        subscribedChannels.remove(channel);
-    }
-
-
-    public void doAction(ProductOperationType action, Product product) {
-        Action actionProcess = new Action(this, product, action);
-    }
-
-
-    public void doAction(ProductOperationType action) {
-        //create new action
-    }
-
-
-    public void storeProduct(Product product) {
-        this.products.add(product);
-    }
-
-
-    public void storeProducts(List<Product> products) {
-        this.products.addAll(products);
-    }
-
-
-    public Product getProductFromStorage(String name, ProductType type) {
-        return products.stream().filter(ch -> ch.getProductType() == type && ch.getName().equals(name)).findFirst().orElse(null);
-    }
-
-    public List<Product> getStorage() {
-        return products;
-    }
-
-    public Signature generateSignature(Transaction transaction) {
-        return SignatureManager.signTransaction(transaction);
-    }
-
-
-    public boolean validateSignature(Transaction transaction) {
-        return SignatureManager.validateSignature(transaction);
-    }
-
-    @Override
-    public void update(Requirement requirement) {
-        if (!requirement.getCreator().equals(this))
-            acceptRequirement(requirement);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/Processor.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-public class Processor extends RetailerNodeBase {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/RetailerNodeBase.java

@@ -1,20 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class RetailerNodeBase extends NodeBase implements IBuyerNode, ISellerNode {
-    @Override
-    public void sellProduct(Product product) {
-
-    }
-
-    @Override
-    public void addMargin(Product product) {
-
-    }
-
-    @Override
-    public void buyProduct(Product product) {
-
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/Seller.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-public class Seller extends RetailerNodeBase {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/node/SellerNodeBase.java

@@ -1,15 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.node;
-
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class SellerNodeBase extends NodeBase implements ISellerNode {
-    @Override
-    public void sellProduct(Product product) {
-
-    }
-
-    @Override
-    public void addMargin(Product product) {
-
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/Action.java

@@ -1,44 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class Action extends OperationBase {
-
-    private final OperationBase lastOperation;
-    private final Product product;
-    private final ProductOperationType type;
-    private int duration;
-
-    public Action(NodeBase node, Product product, ProductOperationType type) {
-        super(node);
-        this.product = product;
-        this.type = type;
-        lastOperation = product.getCurrentOperation();
-        duration = type.getDuration();
-        product.setCurrentOperation(this);
-        product.setStateToReadyForDispatch();
-    }
-
-    private void endAction() {
-        this.setTimeEnd();
-        product.setStateToAvailable();
-    }
-
-    public void tick() {
-        if (duration == 0) endAction();
-        else duration--;
-    }
-
-    public OperationBase getLastOperation() {
-        return lastOperation;
-    }
-
-    public Product getProduct() {
-        return product;
-    }
-
-    public ProductOperationType getType() {
-        return type;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/FinancialTransaction.java

@@ -1,25 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-
-import javax.money.MonetaryAmount;
-
-public class FinancialTransaction extends Transaction {
-
-    private final MonetaryAmount amount;
-    private final ProductTransaction transactionPaid;
-
-    public FinancialTransaction(NodeBase creator, NodeBase receiver, TransactionType type, MonetaryAmount amount, ProductTransaction transactionPaid) {
-        super(creator, receiver, type);
-        this.amount = amount;
-        this.transactionPaid = transactionPaid;
-    }
-
-    public MonetaryAmount getAmount() {
-        return amount;
-    }
-
-    public ProductTransaction getTransactionPaid() {
-        return transactionPaid;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/OperationBase.java

@@ -1,34 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-
-import java.time.LocalDateTime;
-
-public class OperationBase {
-
-    private final LocalDateTime timeStart;
-    private LocalDateTime timeEnd;
-
-    private final NodeBase nodeCreator;
-
-    OperationBase(NodeBase node) {
-        nodeCreator = node;
-        timeStart = LocalDateTime.now();
-    }
-
-    public LocalDateTime getTimeStart() {
-        return timeStart;
-    }
-
-    public LocalDateTime getTimeEnd() {
-        return timeEnd;
-    }
-
-    public void setTimeEnd() {
-        this.timeEnd = LocalDateTime.now();
-    }
-
-    public NodeBase getNodeCreator() {
-        return nodeCreator;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/ProductOperationType.java

@@ -1,22 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-public enum ProductOperationType {
-
-    STORE_MEAT(10, -8);
-
-    private final int duration;
-    private final int temperature;
-
-    ProductOperationType(int duration, int temperature) {
-        this.duration = duration;
-        this.temperature = temperature;
-    }
-
-    public int getDuration() {
-        return duration;
-    }
-
-    public int getTemperature() {
-        return temperature;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/ProductTransaction.java

@@ -1,38 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class ProductTransaction extends Transaction {
-
-    private final OperationBase lastOperation;
-    private final Product product;
-    private final ProductOperationType type;
-
-    public ProductTransaction(NodeBase creator, NodeBase receiver, TransactionType transactionType, Product product) {
-        super(creator, receiver, transactionType);
-        this.product = product;
-        type = null;
-        lastOperation = product.getCurrentOperation();
-        product.setCurrentOperation(this);
-        product.setStateToReadyForDispatch();
-    }
-
-    @Override
-    public void endTransaction() {
-        super.endTransaction();
-        product.setStateToAvailable();
-    }
-
-    public OperationBase getLastOperation() {
-        return lastOperation;
-    }
-
-    public Product getProduct() {
-        return product;
-    }
-
-    public ProductOperationType getType() {
-        return type;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/Transaction.java

@@ -1,35 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.signature.Signature;
-import cz.cvut.fel.sit.omo.foodchain.signature.SignatureManager;
-
-public abstract class Transaction extends OperationBase {
-
-    private final TransactionType transactionType;
-    private final Signature signature;
-    private final NodeBase nodeReceiver;
-
-    Transaction(NodeBase creator, NodeBase receiver, TransactionType type) {
-        super(creator);
-        transactionType = type;
-        nodeReceiver = receiver;
-        signature = SignatureManager.signTransaction(this);
-    }
-
-    public void endTransaction() {
-        this.setTimeEnd();
-    }
-
-    public TransactionType getTransactionType() {
-        return transactionType;
-    }
-
-    public Signature getSignature() {
-        return signature;
-    }
-
-    public NodeBase getNodeReceiver() {
-        return nodeReceiver;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/operation/TransactionType.java

@@ -1,6 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.operation;
-
-public enum TransactionType {
-
-    SALE, PURCHASE
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/parser/ConfigurationParser.java

@@ -1,43 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.parser;
-
-import org.w3c.dom.Document;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-import org.xml.sax.SAXException;
-
-import javax.xml.parsers.DocumentBuilder;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import java.io.File;
-import java.io.IOException;
-
-public class ConfigurationParser {
-
-    private static Document activeDocument;
-
-    public static void parseDocument(String name) throws ParserConfigurationException, IOException, SAXException {
-        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
-        factory.setValidating(true);
-        factory.setIgnoringElementContentWhitespace(true);
-        DocumentBuilder builder = factory.newDocumentBuilder();
-        File file = new File(name);
-        activeDocument = builder.parse(file);
-    }
-
-    public static ParserResult getElements(String tag) {
-        NodeList elements = activeDocument.getElementsByTagName(tag);
-        ParserResult resultList = new ParserResult();
-        for (int i = 0; i < elements.getLength(); i++) {
-            Node tmpNode = elements.item(i);
-            ParserResultElement element = new ParserResultElement();
-            for (int j = 0; j < tmpNode.getAttributes().getLength(); j++) {
-                element.addAttribute(tmpNode.getAttributes().item(i).getNodeName(), tmpNode.getAttributes().item(i).getTextContent());
-            }
-            for (int j = 0; j < tmpNode.getChildNodes().getLength(); j++) {
-                element.addChild(tmpNode.getChildNodes().item(i).getNodeName(), tmpNode.getChildNodes().item(i).getTextContent());
-            }
-            resultList.addElement(element);
-        }
-        return resultList;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/parser/ConsoleParser.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.parser;
-
-public class ConsoleParser {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/parser/ParserResult.java

@@ -1,22 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.parser;
-
-import java.util.LinkedList;
-import java.util.List;
-
-public class ParserResult {
-
-    private final List<ParserResultElement> elements;
-
-    public ParserResult() {
-        elements = new LinkedList<>();
-    }
-
-    public void addElement(ParserResultElement element) {
-        elements.add(element);
-    }
-
-    public List<ParserResultElement> getElements() {
-        return elements;
-    }
-
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/parser/ParserResultElement.java

@@ -1,56 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.parser;
-
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.Map;
-
-public class ParserResultElement {
-
-    private String name;
-    private Map<String, String> attributes;
-    private Map<String, String> children;
-
-    public ParserResultElement() {
-        attributes = new HashMap<>();
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public Map<String, String> getAttributes() {
-        return attributes;
-    }
-
-    public void setAttributes(Map<String, String> attributes) {
-        this.attributes = attributes;
-    }
-
-    public void addAttribute(String key, String value) {
-        attributes.put(key, value);
-    }
-
-    public String getAttribute(String key) {
-        return attributes.get(key);
-    }
-
-    public Map<String, String> getChildren() {
-        return children;
-    }
-
-    public void setChildren(Map<String, String> children) {
-        this.children = children;
-    }
-
-    public void addChild(String key, String value) {
-        children.put(key, value);
-    }
-
-    public String getChild(String key) {
-        return children.get(key);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/pool/ChannelPool.java

@@ -1,11 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.pool;
-
-import cz.cvut.fel.sit.omo.foodchain.channel.ChannelBase;
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class ChannelPool extends PoolListBase<ChannelBase> {
-
-    public ChannelBase findByType(ProductType type) {
-        return findAll().stream().filter(ch -> ch.getProductType().equals(type)).findFirst().orElse(null);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/pool/NodePool.java

@@ -1,7 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.pool;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-
-public class NodePool extends PoolListBase<NodeBase> {
-    //TODO Tomas Angelo
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/pool/PoolDatabase.java

@@ -1,44 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.pool;
-
-import cz.cvut.fel.sit.omo.foodchain.util.Singleton;
-
-import java.lang.reflect.InvocationTargetException;
-
-public class PoolDatabase {
-
-    public ChannelPool getChannelPoolInstance() {
-        try {
-            return Singleton.getInstance(ChannelPool.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public NodePool getNodePoolInstance() {
-        try {
-            return Singleton.getInstance(NodePool.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public ProductPool getProductPoolInstance() {
-        try {
-            return Singleton.getInstance(ProductPool.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public ScenarioPool getScenarioPoolInstance() {
-        try {
-            return Singleton.getInstance(ScenarioPool.class);
-        } catch (IllegalAccessException | InstantiationException | NoSuchMethodException | InvocationTargetException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/pool/PoolListBase.java

@@ -1,32 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.pool;
-
-import java.util.LinkedList;
-import java.util.List;
-
-public abstract class PoolListBase<T> {
-    List<T> pool;
-
-    public PoolListBase() {
-        pool = new LinkedList<T>();
-    }
-
-    public List<T> findAll() {
-        return pool;
-    }
-
-    public void add(T element) {
-        pool.add(element);
-    }
-
-    public void remove(T element) {
-        pool.remove(element);
-    }
-
-    public void clear() {
-        pool.clear();
-    }
-
-    public boolean contains(T element) {
-        return pool.contains(element);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/pool/ProductPool.java

@@ -1,6 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.pool;
-
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class ProductPool extends PoolListBase<Product> {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/pool/ScenarioPool.java

@@ -1,6 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.pool;
-
-import cz.cvut.fel.sit.omo.foodchain.scenario.Scenario;
-
-public class ScenarioPool extends PoolListBase<Scenario> {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/product/Product.java

@@ -1,124 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.product;
-
-import cz.cvut.fel.sit.omo.foodchain.operation.OperationBase;
-
-public class Product
-{
-    private ProductState productState;
-    private ProductType productType;
-    private OperationBase currentOperation;
-
-    private String name;
-
-    /**
-     * Creates Product with default state AVAILABLE
-     * @param name name of product
-     * @param productType type of product
-     */
-    public Product(String name, ProductType productType)
-    {
-        this.name = name;
-        this.productType =  productType;
-        this.productState = ProductState.AVAILABLE;
-    }
-
-    /**
-     * Creates Product
-     * @param name name of product
-     * @param productType type of product
-     * @param productState state of product
-     */
-    public Product(String name, ProductType productType, ProductState productState)
-    {
-        this.name = name;
-        this.productType =  productType;
-        this.productState = productState;
-    }
-
-    // "State machine methods"
-
-    /**
-     * Set current product state to AVAILABLE
-     */
-    public void setStateToAvailable()
-    {
-        this.productState = ProductState.AVAILABLE;
-    }
-
-    /**
-     * Set current product state to READY_FOR_DISPATCH. Throws IllegalStateException if the product is not AVAILABLE.
-     */
-    public void setStateToReadyForDispatch()
-    {
-        if(this.productState.equals(ProductState.AVAILABLE))
-            this.productState = ProductState.READY_FOR_DISPATCH;
-        else
-            throw new IllegalStateException("Cannot set state READY_FOR_DISPATCH. Product is not AVAILABLE!");
-    }
-
-    /**
-     * Set current product state to IN_TRANSIT. Throws IllegalStateException if the product is not READY_FOR_DISPATCH.
-     */
-    public void setStateToInTransit()
-    {
-        if(this.productState.equals(ProductState.READY_FOR_DISPATCH))
-            this.productState = ProductState.IN_TRANSIT;
-        else
-            throw new IllegalStateException("Cannot set state IN_TRANSIT. Product is not READY_FOR_DISPATCH!");
-    }
-
-    /**
-     * Set current product state to READY_FOR_RECEPTION. Throws IllegalStateException if the product is not READY_FOR_RECEPTION.
-     */
-    public void setStateToReadyForReception()
-    {
-        if(this.productState.equals(ProductState.IN_TRANSIT))
-            this.productState = ProductState.READY_FOR_RECEPTION;
-        else
-            throw new IllegalStateException("Cannot set state READY_FOR_RECEPTION. Product has not been in transit!");
-    }
-
-    /*
-    public void setProductState(ProductState productState)
-    {
-        this.productState = productState;
-    }*/
-
-
-    //Getters & Setters
-
-    public ProductState getProductState()
-    {
-        return productState;
-    }
-
-    public ProductType getProductType()
-    {
-        return productType;
-    }
-
-    public void setProductType(ProductType productType)
-    {
-        this.productType = productType;
-    }
-
-    public String getName()
-    {
-        return name;
-    }
-
-    public void setName(String name)
-    {
-        this.name = name;
-    }
-
-    public OperationBase getCurrentOperation()
-    {
-        return currentOperation;
-    }
-
-    public void setCurrentOperation(OperationBase currentOperation)
-    {
-        this.currentOperation = currentOperation;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/product/ProductState.java

@@ -1,6 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.product;
-
-public enum ProductState
-{
-    AVAILABLE, READY_FOR_DISPATCH, IN_TRANSIT, READY_FOR_RECEPTION;
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/product/ProductType.java

@@ -1,6 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.product;
-
-public enum ProductType
-{
-    MEAT, FRUIT, VEGETABLE, OTHER;
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/reporting/ReportTextFileVisitor.java

@@ -1,19 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.reporting;
-
-import cz.cvut.fel.sit.omo.foodchain.channel.ChannelBase;
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.operation.OperationBase;
-
-public class ReportTextFileVisitor {
-    public void visit(NodeBase node){
-
-    }
-
-    public void visit(OperationBase operationBase){
-
-    }
-
-    public void visit(ChannelBase channel){
-
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/reporting/ReportingManager.java

@@ -1,4 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.reporting;
-
-public class ReportingManager {
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/requirement/Requirement.java

@@ -1,46 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.requirement;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.operation.TransactionType;
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class Requirement {
-
-    private final NodeBase creator;
-    private final TransactionType transactionType;
-    private final ProductType productType;
-    private final String productName;
-    private int TTL;
-
-    public Requirement(NodeBase creator, TransactionType transactionType, ProductType productType, String productName) {
-        this.creator = creator;
-        this.transactionType = transactionType;
-        this.productType = productType;
-        this.productName = productName;
-        TTL = 2;
-    }
-
-    public void tick() {
-        TTL--;
-    }
-
-    public NodeBase getCreator() {
-        return creator;
-    }
-
-    public TransactionType getTransactionType() {
-        return transactionType;
-    }
-
-    public ProductType getProductType() {
-        return productType;
-    }
-
-    public String getProductName() {
-        return productName;
-    }
-
-    public int getTTL() {
-        return TTL;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/scenario/ConsumeProductStep.java

@@ -1,17 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.scenario;
-
-import cz.cvut.fel.sit.omo.foodchain.node.Customer;
-
-public class ConsumeProductStep extends ScenarioStep {
-
-    private Customer node;
-
-    public ConsumeProductStep(Customer node) {
-        this.node = node;
-    }
-
-    @Override
-    void execute() {
-        node.consumeProduct();
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/scenario/DoActionStep.java

@@ -1,32 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.scenario;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.operation.ProductOperationType;
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class DoActionStep extends ScenarioStep {
-    private final NodeBase nodeBase;
-    private final ProductOperationType productOperationType;
-    private final Product product;
-
-    public DoActionStep(NodeBase node, ProductOperationType productOperationType, Product product){
-        this.nodeBase = node;
-        this.productOperationType = productOperationType;
-        this.product = product;
-    }
-
-    public DoActionStep(NodeBase node, ProductOperationType productOperationType){
-        this(node, productOperationType, null);
-    }
-
-
-    @Override
-    void execute() {
-        if (product != null){
-            nodeBase.doAction(productOperationType, product);
-        }
-        else {
-            nodeBase.doAction(productOperationType);
-        }
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/scenario/GenerateProductStep.java

@@ -1,24 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.scenario;
-
-import cz.cvut.fel.sit.omo.foodchain.FoodChain;
-import cz.cvut.fel.sit.omo.foodchain.node.Farmer;
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.product.Product;
-
-public class GenerateProductStep extends ScenarioStep {
-
-    private Farmer node;
-    private Product product;
-
-    public GenerateProductStep(Farmer node) {
-        this.node = node;
-        product = FoodChain.getFactoryManager().getPoolDatabaseInstance().getProductPoolInstance().findAll()
-                .stream().findFirst().orElse(null);
-        FoodChain.getFactoryManager().getPoolDatabaseInstance().getProductPoolInstance().remove(product);
-    }
-
-    @Override
-    void execute() {
-        node.generateProduct(product);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/scenario/Scenario.java

@@ -1,26 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.scenario;
-
-import java.util.Iterator;
-import java.util.List;
-
-public class Scenario {
-    List<ScenarioStep> steps;
-    Iterator<ScenarioStep> stepIterator;
-
-    public Scenario() {
-        //steps = //TODO init
-        stepIterator = steps.listIterator(0);
-    }
-
-    public Scenario(List<ScenarioStep> steps) {
-        this.steps = steps;
-        stepIterator = steps.listIterator(0);
-    }
-
-    void execute() {
-        if (!stepIterator.hasNext()) {
-            stepIterator = steps.listIterator(0);
-        }
-        stepIterator.next().execute();
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/scenario/ScenarioStep.java

@@ -1,5 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.scenario;
-
-public abstract class ScenarioStep {
-    abstract void execute();
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/scenario/SendRequirementStep.java

@@ -1,24 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.scenario;
-
-import cz.cvut.fel.sit.omo.foodchain.node.NodeBase;
-import cz.cvut.fel.sit.omo.foodchain.operation.TransactionType;
-import cz.cvut.fel.sit.omo.foodchain.product.ProductType;
-
-public class SendRequirementStep extends ScenarioStep {
-    private final NodeBase node;
-    private final TransactionType tType;
-    private final ProductType pType;
-    private final String pName;
-
-    public SendRequirementStep(NodeBase node, TransactionType tType, ProductType pType, String pName) {
-        this.node = node;
-        this.tType = tType;
-        this.pType = pType;
-        this.pName = pName;
-    }
-
-    @Override
-    void execute() {
-        node.createRequirement(tType, pType, pName);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/signature/Signature.java

@@ -1,39 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.signature;
-
-import cz.cvut.fel.sit.omo.foodchain.operation.Transaction;
-
-import java.time.LocalDateTime;
-import java.util.UUID;
-
-public class Signature {
-
-    private final String managerCode;
-    private final Transaction transaction;
-    private final LocalDateTime signedDate;
-    private final UUID uuid;
-
-    public Signature(String code, Transaction transaction) {
-        managerCode = code;
-        this.transaction = transaction;
-        signedDate = LocalDateTime.now();
-        uuid = UUID.randomUUID();
-    }
-
-    public Transaction getTransaction(String code) {
-        if (code.equals(managerCode))
-            return transaction;
-        return null;
-    }
-
-    public LocalDateTime getSignedDate(String code) {
-        if (code.equals(managerCode))
-            return signedDate;
-        return null;
-    }
-
-    public UUID getUuid(String code) {
-        if (code.equals(managerCode))
-            return uuid;
-        return null;
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/signature/SignatureManager.java

@@ -1,17 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.signature;
-
-import cz.cvut.fel.sit.omo.foodchain.operation.Transaction;
-
-public class SignatureManager {
-
-    private static final String MANAGER_CODE = "iW91AJWNOCmX1pbpLlW0";
-
-    public static Signature signTransaction(Transaction transaction) {
-        return new Signature(MANAGER_CODE, transaction);
-    }
-
-    public static boolean validateSignature(Transaction transaction) {
-        return transaction.equals(transaction.getSignature().getTransaction(MANAGER_CODE))
-                && transaction.getSignature().getUuid(MANAGER_CODE).equals(transaction.getSignature().getTransaction(MANAGER_CODE).getSignature().getUuid(MANAGER_CODE));
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/util/ChannelObserver.java

@@ -1,7 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.util;
-
-import cz.cvut.fel.sit.omo.foodchain.requirement.Requirement;
-
-public interface ChannelObserver {
-    void update(Requirement requirement);
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/util/Observable.java

@@ -1,7 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.util;
-
-public interface Observable {
-    void attach(ChannelObserver channelObserver);
-    void detach(ChannelObserver channelObserver);
-    void notifyAllObservers();
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/util/Singleton.java

@@ -1,27 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.util;
-
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
-import java.util.HashMap;
-import java.util.Map;
-
-public class Singleton {
-
-    private static final Singleton instance = new Singleton();
-
-    @SuppressWarnings("rawtypes")
-    private final Map<Class, Object> mapHolder = new HashMap<>();
-
-    private Singleton() {
-    }
-
-    public static <T> T getInstance(Class<T> tClass) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, InstantiationException {
-        if (!instance.mapHolder.containsKey(tClass)) {
-            Constructor<T> cons = tClass.getConstructor();
-            Object object = cons.newInstance();
-            instance.mapHolder.put(tClass, object);
-        }
-
-        return (T) instance.mapHolder.get(tClass);
-    }
-}

src/main/java/cz/cvut/fel/sit/omo/foodchain/util/Ticker.java

@@ -1,26 +0,0 @@
-package cz.cvut.fel.sit.omo.foodchain.util;
-
-import cz.cvut.fel.sit.omo.foodchain.FoodChain;
-import cz.cvut.fel.sit.omo.foodchain.pool.PoolDatabase;
-
-import javax.swing.*;
-
-public class Ticker {
-
-    private static Timer timer;
-
-    public static void start() {
-        timer = new Timer(500, actionEvent -> {
-            PoolDatabase db = FoodChain.getFactoryManager().getPoolDatabaseInstance();
-            db.getChannelPoolInstance().findAll().forEach(ch -> ch.tick()); // change TTL of requirements
-            db.getNodePoolInstance().findAll().forEach(ch -> ch.tick()); // do next step in scenario
-            db.getProductPoolInstance().findAll().forEach(ch -> ch.tick()); // change duration of action
-            db.getScenarioPoolInstance().findAll().forEach(ch -> ch.tick()); // maybe unnecessary
-        });
-        timer.start();
-    }
-
-    public static void stop() {
-        timer.stop();
-    }
-}