Rename {Switch,Port,Link,Host}Event -> {...}Data

Change-Id: I89d8bae8358409514132eeac00deb0c947ecf68f
diff --git a/src/main/java/net/onrc/onos/core/topology/LinkImpl.java b/src/main/java/net/onrc/onos/core/topology/LinkImpl.java
index 0fcb092..281df21 100644
--- a/src/main/java/net/onrc/onos/core/topology/LinkImpl.java
+++ b/src/main/java/net/onrc/onos/core/topology/LinkImpl.java
@@ -57,7 +57,7 @@
 
     @Override
     public Double getCapacity() {
-        return this.topology.getLinkEvent(id).getCapacity();
+        return this.topology.getLinkData(id).getCapacity();
     }
 
     /**
@@ -73,7 +73,7 @@
 
     @Override
     public String getStringAttribute(String attr) {
-        return this.topology.getLinkEvent(id).getStringAttribute(attr);
+        return this.topology.getLinkData(id).getStringAttribute(attr);
     }
 
     @Override
@@ -88,7 +88,7 @@
 
     @Override
     public Map<String, String> getAllStringAttributes() {
-        return this.topology.getLinkEvent(id).getAllStringAttributes();
+        return this.topology.getLinkData(id).getAllStringAttributes();
     }
 
     @Override