1 files changed, 17 insertions, 0 deletions
diff --git a/src/main/java/net/transit/network/system/ISystem.java b/src/main/java/net/transit/network/system/ISystem.java
new file mode 100644
index 0000000..fd2fa51
--- /dev/null
+++ b/src/main/java/net/transit/network/system/ISystem.java
@@ -0,0 +1,17 @@
+package net.transit.network.system;
+
+
+/**ISystem - a group of nodes optimized for performance
+ * 
+ * A node can exist without a system, but a system can not exist without at least one root node.
+ * 
+ * @param T The object type stored in the system.
+ */
+public interface ISystem
+{
+	/**The nodes stored by the system
+	 * 
+	 * @return INode[]
+	 */
+	public INode[] getNodes();
+}