initial commit

java/src/game/dimension/Domain.java

@@ -0,0 +1,30 @@
+package game.dimension;
+
+import java.util.Set;
+
+import game.collect.Sets;
+
+public final class Domain extends Nameable implements Comparable<Domain> {
+	public final String id;
+	private final Set<Area> areas = Sets.newTreeSet();
+	
+	public Domain(String id) {
+		this.id = id;
+	}
+	
+	public void addArea(Area area) {
+		this.areas.add(area);
+	}
+	
+	public int compareTo(Domain other) {
+		return other == null ? -1 : this.id.compareTo(other.id);
+	}
+    
+	protected String getNameIdentifier() {
+		return "%s";
+	}
+	
+	protected String getIdentifier() {
+		return this.id;
+	}
+}