diff --git a/core/api/src/test/java/org/onlab/onos/net/intent/FakeIntentManager.java b/core/api/src/test/java/org/onlab/onos/net/intent/FakeIntentManager.java
index 349749e..9afccc8 100644
--- a/core/api/src/test/java/org/onlab/onos/net/intent/FakeIntentManager.java
+++ b/core/api/src/test/java/org/onlab/onos/net/intent/FakeIntentManager.java
@@ -40,8 +40,7 @@
             @Override
             public void run() {
                 try {
-                    List<InstallableIntent> installable = compileIntent(intent);
-                    installIntents(intent, installable);
+                    executeCompilingPhase(intent);
                 } catch (IntentException e) {
                     exceptions.add(e);
                 }
@@ -55,8 +54,8 @@
             @Override
             public void run() {
                 try {
-                    List<InstallableIntent> installable = getInstallable(intent.getId());
-                    uninstallIntents(intent, installable);
+                    List<InstallableIntent> installable = getInstallable(intent.id());
+                    executeWithdrawingPhase(intent, installable);
                 } catch (IntentException e) {
                     exceptions.add(e);
                 }
@@ -84,53 +83,60 @@
         return installer;
     }
 
-    private <T extends Intent> List<InstallableIntent> compileIntent(T intent) {
+    private <T extends Intent> void executeCompilingPhase(T intent) {
+        setState(intent, IntentState.COMPILING);
         try {
             // For the fake, we compile using a single level pass
             List<InstallableIntent> installable = new ArrayList<>();
             for (Intent compiled : getCompiler(intent).compile(intent)) {
                 installable.add((InstallableIntent) compiled);
             }
-            setState(intent, IntentState.COMPILED);
-            return installable;
+            executeInstallingPhase(intent, installable);
+
         } catch (IntentException e) {
             setState(intent, IntentState.FAILED);
-            throw e;
+            dispatch(new IntentEvent(IntentEvent.Type.FAILED, intent));
         }
     }
 
-    private void installIntents(Intent intent, List<InstallableIntent> installable) {
+    private void executeInstallingPhase(Intent intent,
+                                        List<InstallableIntent> installable) {
+        setState(intent, IntentState.INSTALLING);
         try {
             for (InstallableIntent ii : installable) {
                 registerSubclassInstallerIfNeeded(ii);
                 getInstaller(ii).install(ii);
             }
             setState(intent, IntentState.INSTALLED);
-            putInstallable(intent.getId(), installable);
+            putInstallable(intent.id(), installable);
+            dispatch(new IntentEvent(IntentEvent.Type.INSTALLED, intent));
+
         } catch (IntentException e) {
             setState(intent, IntentState.FAILED);
-            throw e;
+            dispatch(new IntentEvent(IntentEvent.Type.FAILED, intent));
         }
     }
 
-    private void uninstallIntents(Intent intent, List<InstallableIntent> installable) {
+    private void executeWithdrawingPhase(Intent intent,
+                                         List<InstallableIntent> installable) {
+        setState(intent, IntentState.WITHDRAWING);
         try {
             for (InstallableIntent ii : installable) {
                 getInstaller(ii).uninstall(ii);
             }
+            removeInstallable(intent.id());
             setState(intent, IntentState.WITHDRAWN);
-            removeInstallable(intent.getId());
+            dispatch(new IntentEvent(IntentEvent.Type.WITHDRAWN, intent));
         } catch (IntentException e) {
+            // FIXME: Do we really want to do this?
             setState(intent, IntentState.FAILED);
-            throw e;
+            dispatch(new IntentEvent(IntentEvent.Type.FAILED, intent));
         }
     }
 
     // Sets the internal state for the given intent and dispatches an event
     private void setState(Intent intent, IntentState state) {
-        IntentState previous = intentStates.get(intent.getId());
-        intentStates.put(intent.getId(), state);
-        dispatch(new IntentEvent(intent, state, previous, System.currentTimeMillis()));
+        intentStates.put(intent.id(), state);
     }
 
     private void putInstallable(IntentId id, List<InstallableIntent> installable) {
@@ -152,15 +158,15 @@
 
     @Override
     public void submit(Intent intent) {
-        intents.put(intent.getId(), intent);
+        intents.put(intent.id(), intent);
         setState(intent, IntentState.SUBMITTED);
+        dispatch(new IntentEvent(IntentEvent.Type.SUBMITTED, intent));
         executeSubmit(intent);
     }
 
     @Override
     public void withdraw(Intent intent) {
-        intents.remove(intent.getId());
-        setState(intent, IntentState.WITHDRAWING);
+        intents.remove(intent.id());
         executeWithdraw(intent);
     }
 
diff --git a/core/api/src/test/java/org/onlab/onos/net/intent/IntentServiceTest.java b/core/api/src/test/java/org/onlab/onos/net/intent/IntentServiceTest.java
index 825be86..7eb0e19 100644
--- a/core/api/src/test/java/org/onlab/onos/net/intent/IntentServiceTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/intent/IntentServiceTest.java
@@ -10,11 +10,9 @@
 import java.util.Iterator;
 import java.util.List;
 
-import static org.onlab.onos.net.intent.IntentState.*;
 import static org.junit.Assert.*;
+import static org.onlab.onos.net.intent.IntentEvent.Type.*;
 
-// TODO: consider make it categorized as integration test when it become
-//   slow test or fragile test
 /**
  * Suite of tests for the intent service contract.
  */
@@ -64,13 +62,13 @@
         TestTools.assertAfter(GRACE_MS, new Runnable() {
             @Override
             public void run() {
-                assertEquals("incorrect intent state", INSTALLED,
-                             service.getIntentState(intent.getId()));
+                assertEquals("incorrect intent state", IntentState.INSTALLED,
+                             service.getIntentState(intent.id()));
             }
         });
 
         // Make sure that all expected events have been emitted
-        validateEvents(intent, SUBMITTED, COMPILED, INSTALLED);
+        validateEvents(intent, SUBMITTED, INSTALLED);
 
         // Make sure there is just one intent (and is ours)
         assertEquals("incorrect intent count", 1, service.getIntentCount());
@@ -85,19 +83,19 @@
         TestTools.assertAfter(GRACE_MS, new Runnable() {
             @Override
             public void run() {
-                assertEquals("incorrect intent state", WITHDRAWN,
-                             service.getIntentState(intent.getId()));
+                assertEquals("incorrect intent state", IntentState.WITHDRAWN,
+                             service.getIntentState(intent.id()));
             }
         });
 
         // Make sure that all expected events have been emitted
-        validateEvents(intent, WITHDRAWING, WITHDRAWN);
+        validateEvents(intent, WITHDRAWN);
 
         // TODO: discuss what is the fate of intents after they have been withdrawn
         // Make sure that the intent is no longer in the system
 //        assertEquals("incorrect intent count", 0, service.getIntents().size());
-//        assertNull("intent should not be found", service.getIntent(intent.getId()));
-//        assertNull("intent state should not be found", service.getIntentState(intent.getId()));
+//        assertNull("intent should not be found", service.getIntent(intent.id()));
+//        assertNull("intent state should not be found", service.getIntentState(intent.id()));
     }
 
     @Test
@@ -113,8 +111,8 @@
         TestTools.assertAfter(GRACE_MS, new Runnable() {
             @Override
             public void run() {
-                assertEquals("incorrect intent state", FAILED,
-                             service.getIntentState(intent.getId()));
+                assertEquals("incorrect intent state", IntentState.FAILED,
+                             service.getIntentState(intent.id()));
             }
         });
 
@@ -136,13 +134,13 @@
         TestTools.assertAfter(GRACE_MS, new Runnable() {
             @Override
             public void run() {
-                assertEquals("incorrect intent state", FAILED,
-                             service.getIntentState(intent.getId()));
+                assertEquals("incorrect intent state", IntentState.FAILED,
+                             service.getIntentState(intent.id()));
             }
         });
 
         // Make sure that all expected events have been emitted
-        validateEvents(intent, SUBMITTED, COMPILED, FAILED);
+        validateEvents(intent, SUBMITTED, FAILED);
     }
 
     /**
@@ -151,23 +149,23 @@
      * considered.
      *
      * @param intent intent subject
-     * @param states list of states for which events are expected
+     * @param types  list of event types for which events are expected
      */
-    protected void validateEvents(Intent intent, IntentState... states) {
+    protected void validateEvents(Intent intent, IntentEvent.Type... types) {
         Iterator<IntentEvent> events = listener.events.iterator();
-        for (IntentState state : states) {
+        for (IntentEvent.Type type : types) {
             IntentEvent event = events.hasNext() ? events.next() : null;
             if (event == null) {
-                fail("expected event not found: " + state);
-            } else if (intent.equals(event.getIntent())) {
-                assertEquals("incorrect state", state, event.getState());
+                fail("expected event not found: " + type);
+            } else if (intent.equals(event.subject())) {
+                assertEquals("incorrect state", type, event.type());
             }
         }
 
         // Remainder of events should not apply to this intent; make sure.
         while (events.hasNext()) {
             assertFalse("unexpected event for intent",
-                        intent.equals(events.next().getIntent()));
+                        intent.equals(events.next().subject()));
         }
     }
 
@@ -228,8 +226,8 @@
         TestTools.assertAfter(GRACE_MS, new Runnable() {
             @Override
             public void run() {
-                assertEquals("incorrect intent state", INSTALLED,
-                             service.getIntentState(intent.getId()));
+                assertEquals("incorrect intent state", IntentState.INSTALLED,
+                             service.getIntentState(intent.id()));
             }
         });
 
diff --git a/core/api/src/test/java/org/onlab/onos/net/intent/MultiPointToSinglePointIntentTest.java b/core/api/src/test/java/org/onlab/onos/net/intent/MultiPointToSinglePointIntentTest.java
index d971ba2..66d294a 100644
--- a/core/api/src/test/java/org/onlab/onos/net/intent/MultiPointToSinglePointIntentTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/intent/MultiPointToSinglePointIntentTest.java
@@ -12,10 +12,10 @@
     @Test
     public void basics() {
         MultiPointToSinglePointIntent intent = createOne();
-        assertEquals("incorrect id", IID, intent.getId());
-        assertEquals("incorrect match", MATCH, intent.getTrafficSelector());
-        assertEquals("incorrect ingress", PS1, intent.getIngressPorts());
-        assertEquals("incorrect egress", P2, intent.getEgressPort());
+        assertEquals("incorrect id", IID, intent.id());
+        assertEquals("incorrect match", MATCH, intent.selector());
+        assertEquals("incorrect ingress", PS1, intent.ingressPoints());
+        assertEquals("incorrect egress", P2, intent.egressPoint());
     }
 
     @Override
diff --git a/core/api/src/test/java/org/onlab/onos/net/intent/PathIntentTest.java b/core/api/src/test/java/org/onlab/onos/net/intent/PathIntentTest.java
index bd8dc08..7c15c37 100644
--- a/core/api/src/test/java/org/onlab/onos/net/intent/PathIntentTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/intent/PathIntentTest.java
@@ -16,12 +16,12 @@
     @Test
     public void basics() {
         PathIntent intent = createOne();
-        assertEquals("incorrect id", IID, intent.getId());
-        assertEquals("incorrect match", MATCH, intent.getTrafficSelector());
-        assertEquals("incorrect action", NOP, intent.getTrafficTreatment());
-        assertEquals("incorrect ingress", P1, intent.getIngressPort());
-        assertEquals("incorrect egress", P2, intent.getEgressPort());
-        assertEquals("incorrect path", PATH1, intent.getPath());
+        assertEquals("incorrect id", IID, intent.id());
+        assertEquals("incorrect match", MATCH, intent.selector());
+        assertEquals("incorrect action", NOP, intent.treatment());
+        assertEquals("incorrect ingress", P1, intent.ingressPoint());
+        assertEquals("incorrect egress", P2, intent.egressPoint());
+        assertEquals("incorrect path", PATH1, intent.path());
     }
 
     @Override
diff --git a/core/api/src/test/java/org/onlab/onos/net/intent/PointToPointIntentTest.java b/core/api/src/test/java/org/onlab/onos/net/intent/PointToPointIntentTest.java
index 426a3d9..e0c5562 100644
--- a/core/api/src/test/java/org/onlab/onos/net/intent/PointToPointIntentTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/intent/PointToPointIntentTest.java
@@ -12,10 +12,10 @@
     @Test
     public void basics() {
         PointToPointIntent intent = createOne();
-        assertEquals("incorrect id", IID, intent.getId());
-        assertEquals("incorrect match", MATCH, intent.getTrafficSelector());
-        assertEquals("incorrect ingress", P1, intent.getIngressPort());
-        assertEquals("incorrect egress", P2, intent.getEgressPort());
+        assertEquals("incorrect id", IID, intent.id());
+        assertEquals("incorrect match", MATCH, intent.selector());
+        assertEquals("incorrect ingress", P1, intent.ingressPoint());
+        assertEquals("incorrect egress", P2, intent.egressPoint());
     }
 
     @Override
diff --git a/core/api/src/test/java/org/onlab/onos/net/intent/SinglePointToMultiPointIntentTest.java b/core/api/src/test/java/org/onlab/onos/net/intent/SinglePointToMultiPointIntentTest.java
index 0561a87..64c9292 100644
--- a/core/api/src/test/java/org/onlab/onos/net/intent/SinglePointToMultiPointIntentTest.java
+++ b/core/api/src/test/java/org/onlab/onos/net/intent/SinglePointToMultiPointIntentTest.java
@@ -12,10 +12,10 @@
     @Test
     public void basics() {
         SinglePointToMultiPointIntent intent = createOne();
-        assertEquals("incorrect id", IID, intent.getId());
-        assertEquals("incorrect match", MATCH, intent.getTrafficSelector());
-        assertEquals("incorrect ingress", P1, intent.getIngressPort());
-        assertEquals("incorrect egress", PS2, intent.getEgressPorts());
+        assertEquals("incorrect id", IID, intent.id());
+        assertEquals("incorrect match", MATCH, intent.selector());
+        assertEquals("incorrect ingress", P1, intent.ingressPoint());
+        assertEquals("incorrect egress", PS2, intent.egressPoints());
     }
 
     @Override