[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/cli/src/main/java/org/onosproject/cli/net/DeviceIdCompleter.java b/cli/src/main/java/org/onosproject/cli/net/DeviceIdCompleter.java
index 4ecf264..a0080cd 100644
--- a/cli/src/main/java/org/onosproject/cli/net/DeviceIdCompleter.java
+++ b/cli/src/main/java/org/onosproject/cli/net/DeviceIdCompleter.java
@@ -15,8 +15,11 @@
  */
 package org.onosproject.cli.net;
 
-import org.apache.karaf.shell.console.Completer;
-import org.apache.karaf.shell.console.completer.StringsCompleter;
+import org.apache.karaf.shell.api.console.CommandLine;
+import org.apache.karaf.shell.api.console.Completer;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.console.Session;
+import org.apache.karaf.shell.support.completers.StringsCompleter;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.Device;
 import org.onosproject.net.device.DeviceService;
@@ -28,9 +31,10 @@
 /**
  * Device ID completer.
  */
+@Service
 public class DeviceIdCompleter implements Completer {
     @Override
-    public int complete(String buffer, int cursor, List<String> candidates) {
+    public int complete(Session session, CommandLine commandLine, List<String> candidates) {
         // Delegate string completer
         StringsCompleter delegate = new StringsCompleter();
 
@@ -43,7 +47,7 @@
         }
 
         // Now let the completer do the work for figuring out what to offer.
-        return delegate.complete(buffer, cursor, candidates);
+        return delegate.complete(session, commandLine, candidates);
     }
 
 }