Additions to southbound API interfaces
added API interfaces for topology
added rough API interfaces for flow
Change-Id: I84ee2b70dd33dcbca98c1863e7f1766cc02642c5
diff --git a/net/api/src/main/java/net/onrc/onos/api/topology/TopologyDescription.java b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyDescription.java
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+++ b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyDescription.java
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+package net.onrc.onos.api.topology;
+
+import net.onrc.onos.api.Description;
+
+import java.util.Collection;
+
+/**
+ * Describes attribute(s) of a network topology.
+ */
+public interface TopologyDescription extends Description {
+
+ /**
+ * A collection of Device, Link, and Host descriptors that describe
+ * the changes tha have occurred in the network topology.
+ *
+ * @return network element descriptions describing topology change
+ */
+ Collection<Description> details();
+
+}
\ No newline at end of file
diff --git a/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProvider.java b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProvider.java
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+++ b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProvider.java
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+package net.onrc.onos.api.topology;
+
+import net.onrc.onos.api.Provider;
+
+/**
+ * Means for injecting topology information into the core.
+ */
+public interface TopologyProvider extends Provider {
+
+}
diff --git a/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProviderBroker.java b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProviderBroker.java
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+++ b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProviderBroker.java
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+package net.onrc.onos.api.topology;
+
+import net.onrc.onos.api.ProviderBroker;
+
+/**
+ * Abstraction of a network topology provider brokerage.
+ */
+public interface TopologyProviderBroker extends
+ ProviderBroker<TopologyProvider, TopologyProviderService> {
+}
diff --git a/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProviderService.java b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProviderService.java
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+++ b/net/api/src/main/java/net/onrc/onos/api/topology/TopologyProviderService.java
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+package net.onrc.onos.api.topology;
+
+import net.onrc.onos.api.ProviderService;
+
+/**
+ * Means for injecting topology information into the core.
+ */
+public interface TopologyProviderService extends ProviderService {
+
+ // What can be conveyed in a topology that isn't by individual
+ // providers?
+
+ /**
+ * Signals the core that some aspect of the topology has changed.
+ *
+ * @param topoDescription information about topology
+ */
+ void topologyChanged(TopologyDescription topoDescription);
+
+}