Override Object.hashCode() and Object.equals().

[demoscenemusic.git] / src / main / java / net / pterodactylus / demoscenemusic / data / DefaultGroup.java

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultGroup.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultGroup.java
index aae28e3..16c1c76 100644 (file)
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultGroup.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DefaultGroup.java
@@ -20,16 +20,26 @@ package net.pterodactylus.demoscenemusic.data;
 import java.util.Collection;
 
 /**
- * TODO
+ * Default implementation of a group data container.
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
 public class DefaultGroup extends DefaultBase implements Group {
 
+       /**
+        * Creates a new group data container.
+        *
+        * @param id
+        *            The ID of the group
+        */
        public DefaultGroup(String id) {
                super(id);
        }
 
+       //
+       // GROUP METHODS
+       //
+
        /**
         * {@inheritDoc}
         */
@@ -82,4 +92,27 @@ public class DefaultGroup extends DefaultBase implements Group {
                return this;
        }
 
+       //
+       // OBJECT METHODS
+       //
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public int hashCode() {
+               return getId().hashCode();
+       }
+
+       /**
+        * {@inheritDoc}
+        */
+       @Override
+       public boolean equals(Object object) {
+               if (!(object instanceof Group)) {
+                       return false;
+               }
+               return ((Group) object).getId().equals(getId());
+       }
+
 }