Add import data from json file

src/main/java/org/acme/projectjobschedule/app/JsonImporter.java

@@ -0,0 +1,18 @@
+package org.acme.projectjobschedule.app;
+
+import org.acme.projectjobschedule.domain.ProjectJobSchedule;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import java.io.File;
+
+public class JsonImporter {
+    public ProjectJobSchedule importFromJson(String filePath) throws IOException {
+        ObjectMapper objectMapper = new ObjectMapper();
+        File jsonFile = new File(filePath);
+
+        // Десериализация JSON-файла в объект ProjectJobSchedule
+        ProjectJobSchedule projectJobSchedule = objectMapper.readValue(jsonFile, ProjectJobSchedule.class);
+
+        return projectJobSchedule;
+    }
+}

src/main/java/org/acme/projectjobschedule/app/ProjectJobScheduleApp.java

@@ -2,7 +2,7 @@
 
 import ai.timefold.solver.core.api.solver.Solver;
 import ai.timefold.solver.core.api.solver.SolverFactory;
-import ai.timefold.solver.core.config.solver.SolverConfig;;
+import ai.timefold.solver.core.config.solver.SolverConfig;
 import org.acme.projectjobschedule.domain.Allocation;
 import org.acme.projectjobschedule.domain.Job;
 import org.acme.projectjobschedule.domain.Project;
@@ -19,6 +19,13 @@
 import java.util.Map;
 import java.util.stream.Collectors;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import java.io.IOException;
+import org.acme.projectjobschedule.app.JsonImporter;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+
 public class ProjectJobScheduleApp {
 
     private static final Logger LOGGER = LoggerFactory.getLogger(ProjectJobScheduleApp.class);
@@ -28,7 +35,9 @@ public enum DemoData {
         LARGE
     }
 
+
     public static void main(String[] args) {
+
         SolverFactory<ProjectJobSchedule> solverFactory = SolverFactory.create(new SolverConfig()
                 .withSolutionClass(ProjectJobSchedule.class)
                 .withEntityClasses(Allocation.class)
@@ -38,16 +47,31 @@ public static void main(String[] args) {
                 .withTerminationSpentLimit(Duration.ofSeconds(5)));
 
         // Load the problem
-        DemoDataGenerator demo_data = new DemoDataGenerator();
-        ProjectJobSchedule problem = demo_data.generateDemoData();
-
-        // Solve the problem
-        Solver<ProjectJobSchedule> solver = solverFactory.buildSolver();
-        ProjectJobSchedule solution = solver.solve(problem);
+     //   DemoDataGenerator demo_data = new DemoDataGenerator();
+      //  ProjectJobSchedule problem = demo_data.generateDemoData();
+
+        // Load the problem from JSON
+        JsonImporter importer = new JsonImporter();
+        try {
+            ProjectJobSchedule problem = importer.importFromJson("src/main/resources/data.json");
+            // Теперь у вас есть объект ProjectJobSchedule, заполненный данными из JSON-файла
+            System.out.println(problem);
+
+            // Solve the problem
+            Solver<ProjectJobSchedule> solver = solverFactory.buildSolver();
+            ProjectJobSchedule solution = solver.solve(problem);
+
+            // Visualize the solution
+            printProjectJobSchedule(solution);
+
+            // Visualize the solution
+            printProjectJobSchedule(solution);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
 
-        // Visualize the solution
-       printProjectJobSchedule(solution);
     }
+
     public static void  printProjectJobSchedule(ProjectJobSchedule schedule){
             LOGGER.info("");
             List<Project> projects = schedule.getProjects();

src/main/java/org/acme/projectjobschedule/domain/Project.java

@@ -4,6 +4,7 @@
 
 import com.fasterxml.jackson.annotation.JsonIdentityInfo;
 import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonIdentityReference;
 import com.fasterxml.jackson.annotation.ObjectIdGenerators;
 
 @JsonIdentityInfo(scope = Project.class, generator = ObjectIdGenerators.PropertyGenerator.class, property = "id")

src/main/resources/data.json

@@ -0,0 +1,61 @@
+{
+  "projects": [
+    {
+      "id": "P1",
+      "releaseDate": 10,
+      "criticalPathDuration": 50
+    },
+    {
+      "id": "P2",
+      "releaseDate": 15,
+      "criticalPathDuration": 60
+    }
+  ],
+  "resources": [
+    {
+      "id": "R1",
+      "capacity": 100,
+      "@type": "global"
+    },
+    {
+      "id": "R2",
+      "capacity": 200,
+      "@type": "local"
+    }
+  ],
+  "jobs": [
+    {
+      "id": "J1",
+      "project": "P1",
+      "jobType": "SOURCE"
+    },
+    {
+      "id": "J2",
+      "project": "P1",
+      "jobType": "STANDARD"
+    },
+    {
+      "id": "J3",
+      "project": "P2",
+      "jobType": "SINK"
+    }
+  ],
+  "allocations": [
+    {
+      "id": "A1",
+      "job": "J1",
+      "sourceAllocation": "A1",
+      "sinkAllocation": "A2",
+      "predecessorAllocations": ["A1"],
+      "successorAllocations": ["A2"]
+    },
+    {
+      "id": "A2",
+      "job": "J2",
+      "sourceAllocation": "A1",
+      "sinkAllocation": "A2",
+      "predecessorAllocations": ["A1"],
+      "successorAllocations": ["A2"]
+    }
+  ]
+}