Refactoring of IntentId based APIs

- getIntent
- getIntentState
- getInstallableIntents

Change-Id: I6d2073dfa165e0e5adcef46fe5908b563b481a43
diff --git a/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java b/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java
index 3262fb9..b2bba9a 100644
--- a/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/WipeOutCommand.java
@@ -64,7 +64,7 @@
         print("Wiping intents");
         IntentService intentService = get(IntentService.class);
         for (Intent intent : intentService.getIntents()) {
-            if (intentService.getIntentState(intent.id()) == IntentState.INSTALLED) {
+            if (intentService.getIntentState(intent.key()) == IntentState.INSTALLED) {
                 intentService.withdraw(intent);
             }
         }