[Draft] Recononstruct Reporting for 3 types of Visitors, add ReportBuilder

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

@@ -38,7 +38,7 @@ public class FoodChain
 
         ReportingManager reportingManager = new ReportingManager();
 
-        System.out.println(reportingManager.acceptAllObjects());
+        System.out.println(reportingManager.generateReport());
     }
 
     public static FactoryManager getFactoryManager()

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

@@ -196,18 +196,10 @@ public class NodeBase implements ChannelObserver {
         return money;
     }
 
-    public NodeType getNodeType() {
-        return nodeType;
-    }
-
     public Map<ChannelBase, ChannelSubscriptionType> getSubscribedChannels() {
         return subscribedChannels;
     }
 
-    public List<Product> getProducts() {
-        return products;
-    }
-
     public List<Transaction> getRefusedTransactions() {
         return refusedTransactions;
     }

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

@@ -4,7 +4,7 @@ import cz.cvut.fel.sit.omo.foodchain.node.base.NodeBase;
 
 import java.time.LocalDateTime;
 
-public class OperationBase {
+public abstract class OperationBase {
 
     private final LocalDateTime timeStart;
     private LocalDateTime timeEnd;

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

@@ -0,0 +1,34 @@
+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.base.NodeBase;
+import cz.cvut.fel.sit.omo.foodchain.operation.FinancialTransaction;
+import cz.cvut.fel.sit.omo.foodchain.operation.ProductTransaction;
+import cz.cvut.fel.sit.omo.foodchain.product.Product;
+
+public class FoodChainReportVisitor implements ReportTextVisitor {
+    @Override
+    public String visit(NodeBase node) {
+        return null;
+    }
+
+    @Override
+    public String visit(ChannelBase channel) {
+        return null;
+    }
+
+    @Override
+    public String visit(Product product) {
+        return null;
+    }
+
+    @Override
+    public String visit(ProductTransaction transaction) {
+        return null;
+    }
+
+    @Override
+    public String visit(FinancialTransaction transaction) {
+        return null;
+    }
+}

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

@@ -0,0 +1,34 @@
+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.base.NodeBase;
+import cz.cvut.fel.sit.omo.foodchain.operation.FinancialTransaction;
+import cz.cvut.fel.sit.omo.foodchain.operation.ProductTransaction;
+import cz.cvut.fel.sit.omo.foodchain.product.Product;
+
+public class PartiesReportVisitor implements ReportTextVisitor {
+    @Override
+    public String visit(NodeBase node) {
+        return null;
+    }
+
+    @Override
+    public String visit(ChannelBase channel) {
+        return null;
+    }
+
+    @Override
+    public String visit(Product product) {
+        return null;
+    }
+
+    @Override
+    public String visit(ProductTransaction transaction) {
+        return null;
+    }
+
+    @Override
+    public String visit(FinancialTransaction transaction) {
+        return null;
+    }
+}

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

@@ -0,0 +1,47 @@
+package cz.cvut.fel.sit.omo.foodchain.reporting;
+
+import cz.cvut.fel.sit.omo.foodchain.FoodChain;
+import cz.cvut.fel.sit.omo.foodchain.pool.PoolDatabase;
+
+public class ReportBuilder {
+    private final StringBuilder report;
+    private final PoolDatabase db;
+
+    public ReportBuilder(){
+        report = new StringBuilder();
+        db = FoodChain.getFactoryManager().getPoolDatabaseInstance();
+    }
+
+    public ReportBuilder addPartiesReport(){
+        ReportTextVisitor reportVisitor = new PartiesReportVisitor();
+
+        db.getNodePoolInstance().findAll().forEach(n -> report.append(reportVisitor.visit(n)));
+
+        return this;
+    }
+
+    public ReportBuilder addFoodChainReport(){
+        ReportTextVisitor reportVisitor = new FoodChainReportVisitor();
+
+        db.getProductPoolInstance().findAll().forEach(p -> report.append(reportVisitor.visit(p)));
+
+        return this;
+    }
+
+    public ReportBuilder addSecurityReport(){
+        ReportTextVisitor reportVisitor = new FoodChainReportVisitor();
+
+        db.getNodePoolInstance().findAll().forEach(n -> report.append(reportVisitor.visit(n)));
+
+        return this;
+    }
+
+    public ReportBuilder addTransactionReport(){
+        //TODO
+        return this;
+    }
+
+    public String build(){
+        return report.toString();
+    }
+}

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

@@ -8,36 +8,16 @@ import cz.cvut.fel.sit.omo.foodchain.operation.ProductTransaction;
 import cz.cvut.fel.sit.omo.foodchain.operation.Transaction;
 import cz.cvut.fel.sit.omo.foodchain.product.Product;
 
-public class ReportTextVisitor {
+public interface ReportTextVisitor {
-    private static final String ln = System.lineSeparator();
+    String ln = System.lineSeparator();
 
-    public String visit(NodeBase node) {
+    String visit(NodeBase node);
-        StringBuilder result = new StringBuilder();
-        result.append("Node type: ").append(node.getNodeType()).append(ln)
-                .append("Allowed seller: ").append(node.getAllowedSeller()).append(ln)
-                .append("Allowed purchaser: ").append(node.getAllowedPurchaser()).append(ln)
-                .append("Money: ").append(node.getMoney()).append(ln)
-                .append("Refused transactions: ");
-        node.getRefusedTransactions().forEach(tr -> result.append(tr.accept(this)));
-        result.append(ln).append(ln);
 
-        return result.toString();
+    String visit(ChannelBase channel);
-    }
+
-
+    String visit(Product product);
-    public String visit(ChannelBase channel) {
+
-
+    String visit(ProductTransaction transaction);
-        return "";
+
-    }
+    String visit(FinancialTransaction transaction);
-
-    public String visit(Product product) {
-        return "";
-    }
-
-    public String visit(ProductTransaction transaction) {
-        return "";
-    }
-
-    public String visit(FinancialTransaction transaction) {
-        return "";
-    }
 }

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

@@ -1,8 +1,5 @@
 package cz.cvut.fel.sit.omo.foodchain.reporting;
 
-import cz.cvut.fel.sit.omo.foodchain.FoodChain;
-import cz.cvut.fel.sit.omo.foodchain.pool.PoolDatabase;
-
 import java.io.File;
 import java.io.FileWriter;
 import java.io.IOException;
@@ -17,22 +14,21 @@ public class ReportingManager {
             if (!reportFile.createNewFile()) {
                 throw new FileAlreadyExistsException(pathname);
             }
-            fileWriter.write(acceptAllObjects());
+            fileWriter.write(generateReport());
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
 
 
-    public String acceptAllObjects(){
+    public String generateReport(){
-        ReportTextVisitor visitor = new ReportTextVisitor();
+        ReportBuilder reportBuilder = new ReportBuilder();
-        PoolDatabase db = FoodChain.getFactoryManager().getPoolDatabaseInstance();
-        StringBuilder string = new StringBuilder();
 
-        db.getChannelPoolInstance().findAll().forEach(ch -> string.append(ch.accept(visitor)));
+        return reportBuilder
-        db.getNodePoolInstance().findAll().forEach(n-> string.append(n.accept(visitor)));
+                .addPartiesReport()
-        db.getProductPoolInstance().findAll().forEach(p -> string.append(p.accept(visitor)));
+                .addFoodChainReport()
-
+                .addSecurityReport()
-        return string.toString();
+                .addTransactionReport()
+                .build();
     }
 }

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

@@ -0,0 +1,34 @@
+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.base.NodeBase;
+import cz.cvut.fel.sit.omo.foodchain.operation.FinancialTransaction;
+import cz.cvut.fel.sit.omo.foodchain.operation.ProductTransaction;
+import cz.cvut.fel.sit.omo.foodchain.product.Product;
+
+public class SecurityReportReportVisitor implements ReportTextVisitor {
+    @Override
+    public String visit(NodeBase node) {
+        return null;
+    }
+
+    @Override
+    public String visit(ChannelBase channel) {
+        return null;
+    }
+
+    @Override
+    public String visit(Product product) {
+        return null;
+    }
+
+    @Override
+    public String visit(ProductTransaction transaction) {
+        return null;
+    }
+
+    @Override
+    public String visit(FinancialTransaction transaction) {
+        return null;
+    }
+}