NOTICKET: Add Medication Module Javadoc

src/main/java/de/hitec/nhplus/medication/AllMedicationController.java

@@ -13,6 +13,11 @@ import javafx.scene.control.cell.PropertyValueFactory;
 import java.sql.SQLException;
 import java.util.stream.Collectors;
 
+/**
+ * The controller for viewing all {@link Medication}s.
+ *
+ * @author Dominik Säume
+ */
 public class AllMedicationController {
     @FXML
     private TableView<Medication> tableView;
@@ -34,6 +39,10 @@ public class AllMedicationController {
     private final ObservableList<Medication> medications = FXCollections.observableArrayList();
     private MedicationDao dao;
 
+    /**
+     * Initialization method that is called after the binding of all the fields.
+     */
+    @FXML
     public void initialize() {
         readAllAndShowInTableView();
 
@@ -41,16 +50,14 @@ public class AllMedicationController {
         this.columnName.setCellValueFactory(new PropertyValueFactory<>("name"));
         this.columnManufacturer.setCellValueFactory(new PropertyValueFactory<>("manufacturer"));
         this.columnIngredient.setCellValueFactory(
-                cellData -> {
+                cellData -> new SimpleStringProperty(
-                    return new SimpleStringProperty(
                         cellData
                                 .getValue()
                                 .getIngredients()
                                 .stream()
                                 .map(ingredient -> ingredient.getName())
                                 .collect(Collectors.joining("\n"))
-                    );
+                ));
-                });
         this.columnPossibleSideEffects.setCellValueFactory(new PropertyValueFactory<>("possibleSideEffects"));
         this.columnAdministrationMethod.setCellValueFactory(new PropertyValueFactory<>("administrationMethod"));
         this.columnCurrentStock.setCellValueFactory(new PropertyValueFactory<>("currentStock"));
@@ -58,6 +65,9 @@ public class AllMedicationController {
         this.tableView.setItems(this.medications);
     }
 
+    /**
+     * Internal method to read all data and set it to the table view.
+     */
     public void readAllAndShowInTableView() {
         this.dao = DaoFactory.getInstance().createMedicationDAO();
         try {

src/main/java/de/hitec/nhplus/medication/Ingredient.java

@@ -2,6 +2,13 @@ package de.hitec.nhplus.medication;
 
 import javafx.beans.property.SimpleStringProperty;
 
+/**
+ * The simple model for an {@link Ingredient}.
+ *
+ * @author Dominik Säume
+ * @implSpec This isn't a conventional model, because it isn't directly stored in the database,
+ * but it can be changed to do that, in the case that its complexity rises in the future.
+ */
 public class Ingredient {
     private final SimpleStringProperty name;
 

src/main/java/de/hitec/nhplus/medication/Medication.java

@@ -10,6 +10,11 @@ import java.util.List;
 import java.util.StringJoiner;
 import java.util.stream.Collectors;
 
+/**
+ * The model for a {@link Medication}.
+ *
+ * @author Dominik Säume
+ */
 public class Medication {
     private SimpleIntegerProperty id;
     private final SimpleStringProperty name;
@@ -19,6 +24,13 @@ public class Medication {
     private final SimpleStringProperty administrationMethod;
     private final SimpleIntegerProperty currentStock;
 
+    /**
+     * This constructor allows instantiating a {@link Medication} object,
+     * before it is stored in the database, by omitting the {@link Medication#id ID} value.
+     *
+     * @implSpec Instances created with this constructor can be directly passed to
+     * {@link de.hitec.nhplus.medication.database.MedicationDao#create MedicationDao.create}.
+     */
     public Medication(
             String name,
             String manufacturer,
@@ -35,6 +47,9 @@ public class Medication {
         this.currentStock = new SimpleIntegerProperty(currentStock);
     }
 
+    /**
+     * This constructor allows instantiating a {@link Medication} object with all existing fields.
+     */
     public Medication(
             int id,
             String name,

src/main/java/de/hitec/nhplus/medication/database/MedicationDao.java

@@ -13,6 +13,12 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+/**
+ * The {@link MedicationDao} is an implementation of the {@link de.hitec.nhplus.datastorage.Dao Dao} for the {@link Medication} model.
+ *
+ * @author Bernd Heidemann
+ * @author Dominik Säume
+ */
 public class MedicationDao implements Dao<Medication> {
     protected final Connection connection;
 
@@ -153,6 +159,13 @@ public class MedicationDao implements Dao<Medication> {
         preparedStatement.executeUpdate();
     }
 
+    /**
+     * Constructs a {@link Medication} object from the {@link ResultSet} obtained after executing a database query.
+     * This method is used internally to map the {@link ResultSet} data to a {@link Medication} object.
+     *
+     * @param result The {@link ResultSet} containing the data retrieved from the database.
+     * @return A {@link Medication} object constructed from the {@link ResultSet} data.
+     */
     private Medication getInstanceFromResultSet(ResultSet result) throws SQLException {
         Medication medication = new Medication(
                 result.getInt(1),