create AgentAssignment entity

src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/Agent.java

@@ -30,6 +30,14 @@ public class Agent {
     @Getter
     private List<CodeName> codeNames;
 
+    @OneToMany(mappedBy = "agent")
+    @Getter
+    private List<AgentAssignment> agentAssignments = new ArrayList<>();
+
+    public void addAgentAssignment(AgentAssignment agentAssignment) {
+        agentAssignments.add(agentAssignment);
+    }
+
     public void addCodeName(CodeName codeName) {
         codeNames.add(codeName);
     }

src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/AgentAssignment.java

 package cz.fi.muni.pa165.seminar4.group7.secretservice.entity;
 
+import lombok.Getter;
+import lombok.Setter;
+
+import javax.persistence.*;
+import java.sql.Date;
+
+/**
+ * @author Tomáš Biloš
+ */
+@Entity
 public class AgentAssignment {
+    @Id
+    @Column(name = "id", nullable = false)
+    @Getter
+    @Setter
+    private Long id;
+
+    @Getter
+    @Setter
+    private Date start;
+
+    @Getter
+    @Setter
+    private int durationInDays;
+
+    @OneToOne
+    @JoinColumn(name = "report_id")
+    @Getter
+    @Setter
+    private Report report;
+
+    @ManyToOne
+    @JoinColumn(name = "mission_id", referencedColumnName = "id")
+    @Getter
+    @Setter
+    private Mission mission;
+
+    @ManyToOne
+    @Getter
+    @Setter
+    private Agent agent;
+
+    public AgentAssignment() {}
+
 }

src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/Mission.java

@@ -47,6 +47,10 @@ public class Mission {
     @Setter
     private Country country;
 
+
+    @OneToMany(mappedBy = "mission")
+    private List<AgentAssignment> agentAssignments;
+
     @Override
     public boolean equals(Object o) {
         if (this == o) return true;

src/main/java/cz/fi/muni/pa165/seminar4/group7/secretservice/entity/Report.java

@@ -4,8 +4,6 @@ import lombok.Getter;
 import lombok.Setter;
 
 import javax.persistence.*;
-import java.util.ArrayList;
-import java.util.List;
 
 /**
  * @author Jan Smejkal
@@ -23,20 +21,17 @@ public class Report {
     @Setter
     private String report;
 
-    @OneToMany
+    @OneToOne
+    @Setter
     @Getter
-    private List<PerformanceEvaluation> performanceEvaluations = new ArrayList();
-
-//    @ManyToOne
-//    @Getter
-//    private AgentAssignment agentAssignment;
+    private PerformanceEvaluation performanceEvaluation;
 
-    public Report() {
-    }
+    @OneToOne(mappedBy = "report")
+    @Getter
+    @Setter
+    private AgentAssignment agentAssignment;
 
-    public void addPerformanceEvaluation(PerformanceEvaluation performanceEvaluation) {
-        performanceEvaluations.add(performanceEvaluation);
-    }
+    public Report() {}
 
     public Report(String report){
         this.report = report;