[W8.6b][F09-B1] Ellery Chia

src/seedu/addressbook/data/tag/Tagging.java

@@ -0,0 +1,45 @@
+package seedu.addressbook.data.tag;
+
+import seedu.addressbook.data.person.Person;
+
+/**
+ * Represents a Tagging in the address book.
+ * Each tagging is an addition or removal of a Person's tag.
+ */
+public class Tagging {
+
+    private static final String ADDED_SYMBOL = "+";
+    private static final String REMOVED_SYMBOL = "-";
+
+    public enum Status {
+        ADD, REMOVE
+    }
+
+    private Person person;
+    private Tag tag;
+    private Status status;
+
+    /**
+     * Creates a tagging based on the tag being added/removed from a Person
+     *
+     */
+    public Tagging(Person person, Tag tag, Status status) {
+        this.person = person;
+        this.tag = tag;
+        this.status = status;
+    }
+
+    @Override
+    public String toString() {
+        String change = "";
+        switch (status) {
+            case ADD:
+                change = ADDED_SYMBOL;
+                break;
+            case REMOVE:
+                change = REMOVED_SYMBOL;
+        }
+        return change + " " + person.getName() + " " + tag.toString();
+    }
+
+}