1 files changed, 73 insertions, 0 deletions
diff --git a/src/main/java/net/cshift/transit/network/INode.java b/src/main/java/net/cshift/transit/network/INode.java
new file mode 100644
index 0000000..0396347
--- /dev/null
+++ b/src/main/java/net/cshift/transit/network/INode.java
@@ -0,0 +1,73 @@
+package net.cshift.transit.network;
+
+import net.cshift.transit.network.packet.*;
+
+/**
+ * @author Kyle Gunger
+ * @apiNote A node inside or outside a system.
+ */
+public interface INode
+{
+	/** Returns true if the group given is used by the node
+	 *
+	 * @param group the group to query
+	 * @return {@code true} if the node supports the group
+	 */
+	public boolean hasGroup(String group);
+
+	/** Get the system managing the node or {@code null} if there isn't one
+	 *
+	 * @return System
+	 */
+	public ISystem getSystem();
+
+
+
+	// ###############
+	// # Connections #
+	// ###############
+
+	/** Call this function to establish a connection with a node.
+	 * 
+	 * @param <T> The type of connection being asked for
+	 * @param group The group of connection being asked for
+	 * @param asker The asking node
+	 * @return A channel if the node accepts the request, {@code null} otherwise
+	 */
+	public <T> Channel<T> connect(String group, INode asker);
+
+	/** Accept a packet from a channel (or not).
+	 * 
+	 * @apiNote Do not call this function, use Channel.send(packet) instead.
+	 * @param <T> The type of the packet and channel
+	 * @param packet The packet to be vetted
+	 * @param channel The channel which the packet is coming through
+	 * @return true if the node accepts the packet
+	 */
+	public <T> boolean accept(IStaticPacket<T> packet, Channel<T> channel);
+
+	/** Pressure
+	 *
+	 * @apiNote Do not call this function, use Channel.pressure() instead.
+	 * @param channel The channel asking for the pressure
+	 * @return A Number representing the pressure from the channel (in base group units).
+	 */
+	public <T> Number getPressure(Channel<T> channel);
+
+	/** Transfer rate
+	 * 
+	 * @apiNote Do not call this function, use Channel.rate() instead.
+	 * @param channel The channel asking for the transfer rate
+	 * @return A Number representing the transfer rate from the channel (in base group units).
+	 */
+	public <T> Number getRate(Channel<T> channel);
+
+	/** Called when a channel is terminated
+	 * 
+	 * @apiNote Do not call this function, use Channel.terminate() instead.
+	 * @param <T> The type of the channel
+	 * @param channel The channel being terminated
+	 */
+	public <T> void onTerminate(Channel<T> channel);
+
+}