refactor: minor changes to OrganizationRepository

src/main/java/edu/group5/app/model/organization/OrganizationRepository.java

@@ -3,38 +3,48 @@
 import edu.group5.app.model.Repository;
 
 import java.util.HashMap;
+import java.util.Map;
 import java.util.Objects;
 
 /**
- * Handles business logic associated with organizations
+ * Handles the business logic associated with organizations
  */
-public class OrganizationRepo extends Repository {
-  private final HashMap<Integer, Organization> content;
+public class OrganizationRepository extends Repository {
+  private final Map<Integer, Organization> content;
 
   /**
    * Creates a new Organization Repository
    *
-   * @param content holds all current organizations in the repository
+   * @param content holds all current organizations in the repository; must not be null
    * @throws NullPointerException if content is null
    */
-  public OrganizationRepo(HashMap<Integer, Organization> content) {
+  public OrganizationRepository(Map<Integer, Organization> content) {
     this.content = Objects.requireNonNull(content, "content cannot be null");
     super(content);
   }
 
+  /**
+   * Returns the organizations within the repository.
+   * @return all organizations within the repository.
+   */
+  @Override
+  public Map<Integer, Organization> getContent() {
+    return content;
+  }
+
   /**
    * Gets all trusted organizations in the repository
    * @return all organizations with trusted = true
    */
-  public HashMap<Integer, Organization> getTrustedOrganizations() {
-    HashMap<Integer, Organization> trustedOrgs = new HashMap<>();
+  public Map<Integer, Organization> getTrustedOrganizations() {
+    Map<Integer, Organization> trustedOrganizations = new HashMap<>();
 
     content.forEach((orgNr, org) -> {
       if (org.trusted()) {
-        trustedOrgs.put(orgNr, org);
+        trustedOrganizations.put(orgNr, org);
       }
     });
 
-    return trustedOrgs;
+    return trustedOrganizations;
   }
 }