Start working on scenario, steps, iterator

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

@@ -4,7 +4,7 @@ import cz.cvut.fel.sit.omo.foodchain.factory.FactoryManager;
 
 public class FoodChain {
 
-    private static FactoryManager factoryManager;
+    private static FactoryManager factoryManager = new FactoryManager();
 
     public static void main(String[] args) {
 

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

@@ -68,6 +68,12 @@ public class NodeBase implements ChannelObserver {
     }
 
 
+    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) {
 

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

@@ -28,13 +28,13 @@ public class ConfigurationParser {
         NodeList elements = activeDocument.getElementsByTagName(tag);
         ParserResult resultList = new ParserResult();
         for (int i = 0; i < elements.getLength(); i++) {
-            Node tmp_node = elements.item(i);
+            Node tmpNode = elements.item(i);
             ParserResultElement element = new ParserResultElement();
-            for (int j = 0; j < tmp_node.getAttributes().getLength(); j++) {
+            for (int j = 0; j < tmpNode.getAttributes().getLength(); j++) {
-                element.addAttribute(tmp_node.getAttributes().item(i).getNodeName(), tmp_node.getAttributes().item(i).getTextContent());
+                element.addAttribute(tmpNode.getAttributes().item(i).getNodeName(), tmpNode.getAttributes().item(i).getTextContent());
             }
-            for (int j = 0; j < tmp_node.getChildNodes().getLength(); j++) {
+            for (int j = 0; j < tmpNode.getChildNodes().getLength(); j++) {
-                element.addChild(tmp_node.getChildNodes().item(i).getNodeName(), tmp_node.getChildNodes().item(i).getTextContent());
+                element.addChild(tmpNode.getChildNodes().item(i).getNodeName(), tmpNode.getChildNodes().item(i).getTextContent());
             }
             resultList.addElement(element);
         }

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

@@ -1,12 +1,11 @@
 package cz.cvut.fel.sit.omo.foodchain.parser;
 
-import org.w3c.dom.Element;
-
 import java.util.LinkedList;
+import java.util.List;
 
 public class ParserResult {
 
-    private LinkedList<ParserResultElement> elements;
+    private final List<ParserResultElement> elements;
 
     public ParserResult() {
         elements = new LinkedList<>();
@@ -15,4 +14,9 @@ public class ParserResult {
     public void addElement(ParserResultElement element) {
         elements.add(element);
     }
+
+    public List<ParserResultElement> getElements() {
+        return elements;
+    }
+
 }

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

@@ -9,12 +9,14 @@ 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) {
+    public Requirement(NodeBase creator, TransactionType transactionType, ProductType productType, String productName) {
         this.creator = creator;
         this.transactionType = transactionType;
         this.productType = productType;
+        this.productName = productName;
         TTL = 2;
     }
 
@@ -34,6 +36,10 @@ public class Requirement {
         return productType;
     }
 
+    public String getProductName() {
+        return productName;
+    }
+
     public int getTTL() {
         return TTL;
     }

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

@@ -0,0 +1,32 @@
+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

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

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

@@ -1,4 +1,26 @@
 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

@@ -0,0 +1,5 @@
+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

@@ -0,0 +1,24 @@
+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);
+    }
+}