2 files changed, 67 insertions, 0 deletions
diff --git a/src/main/java/net/transit/network/system/INode.java b/src/main/java/net/transit/network/system/INode.java
new file mode 100644
index 0000000..2dc3686
--- /dev/null
+++ b/src/main/java/net/transit/network/system/INode.java
@@ -0,0 +1,50 @@
+package net.transit.network.system;
+
+import net.transit.network.swap.IAcceptor;
+import net.transit.network.swap.IProvider;
+
+/**
+ * @author Kyle Gunger
+ * @apiNote A node inside or outside a system. Provides acceptors and providers to other nodes.
+ */
+public interface INode
+{
+	/**Returns the groupIDs of groups the node provide
+	 * 
+	 * @return String[]
+	 */
+	public String[] groupsProvided();
+	
+	/**Get the system managing the node or {@code null} if there isn't one
+	 * 
+	 * @return ISystem
+	 */
+	public ISystem getSystem();
+	
+	/**Returns {@code true} if the node provides IAcceptors
+	 * 
+	 * @return boolean
+	 */
+	public boolean isAcceptor();
+	
+	/**Returns an IAcceptor or {@code null} depending on the requester and group
+	 * 
+	 * @param requester The object requesting the IAcceptor
+	 * @param group
+	 * @return IAcceptor
+	 */
+	public IAcceptor<?> requestAcceptor(Object requester, String group);
+	
+	/**Returns {@code true} if the node provides IProviders
+	 * 
+	 */
+	public boolean isProvider();
+	
+	/**Returns an IProvider or {@code null} depending on the requester and group
+	 * 
+	 * @param requester The object requesting the IProvider
+	 * @param group
+	 * @return IProvider
+	 */
+	public IProvider<?> requestProvider(Object requestor, String group);
+}
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();
+}