fix intent issues yuta observed

Change-Id: I7dc4a19d49a1b3fc18ecce02a4018cbc9a3043fc
diff --git a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
index 2bcb809..d8c2dcd 100644
--- a/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
+++ b/core/net/src/main/java/org/onlab/onos/net/intent/impl/IntentManager.java
@@ -128,7 +128,7 @@
         trackerService.setDelegate(topoDelegate);
         batchService.setDelegate(batchDelegate);
         eventDispatcher.addSink(IntentEvent.class, listenerRegistry);
-        executor = newFixedThreadPool(NUM_THREADS, namedThreads("onos-intent-monitor"));
+        executor = newFixedThreadPool(NUM_THREADS, namedThreads("onos-intent"));
         idGenerator = coreService.getIdGenerator("intent-ids");
         Intent.bindIdGenerator(idGenerator);
         log.info("Started");
@@ -646,12 +646,11 @@
             return !isComplete() ? batches.get(currentBatch) : null;
         }
 
-        List<IntentEvent> batchSuccess(BatchWrite batchWrite) {
+        void batchSuccess(BatchWrite batchWrite) {
             // move on to next Batch
             if (++currentBatch == batches.size()) {
-                return finalizeStates(batchWrite);
+                finalizeStates(batchWrite);
             }
-            return Collections.emptyList();
         }
 
         void batchFailed() {
@@ -673,19 +672,16 @@
         }
 
         // FIXME make sure this is called!!!
-        private List<IntentEvent> finalizeStates(BatchWrite batchWrite) {
+        private void finalizeStates(BatchWrite batchWrite) {
             // events to be triggered on successful write
-            List<IntentEvent> events = new ArrayList<>();
             for (Intent intent : stateMap.keySet()) {
                 switch (getInflightState(intent)) {
                     case INSTALLING:
                         batchWrite.setState(intent, INSTALLED);
                         batchWrite.setInstallableIntents(newIntent.id(), newInstallables);
-                        events.add(new IntentEvent(Type.INSTALLED, intent));
                         break;
                     case WITHDRAWING:
                         batchWrite.setState(intent, WITHDRAWN);
-                        events.add(new IntentEvent(Type.WITHDRAWN, intent));
                         batchWrite.removeInstalledIntents(intent.id());
                         batchWrite.removeIntent(intent.id());
                         break;
@@ -705,7 +701,6 @@
                         break;
                 }
             }
-            return events;
         }
 
         List<FlowRuleBatchOperation> batches() {
@@ -737,10 +732,10 @@
                     intent.id(), oldState, newState);
 
             stateMap.put(intent, newState);
-            IntentEvent event = store.setState(intent, newState);
-            if (event != null) {
-                eventDispatcher.post(event);
-            }
+//            IntentEvent event = store.setState(intent, newState);
+//            if (event != null) {
+//                eventDispatcher.post(event);
+//            }
         }
 
         Map<Intent, IntentState> stateMap() {
@@ -822,7 +817,7 @@
                 BatchWrite batchWrite = store.newBatchWrite();
                 List<IntentEvent> events = new ArrayList<>();
                 for (IntentUpdate update : intentUpdates) {
-                    events.addAll(update.batchSuccess(batchWrite));
+                    update.batchSuccess(batchWrite);
                 }
                 if (!batchWrite.isEmpty()) {
                     store.batchWrite(batchWrite);
diff --git a/core/net/src/test/java/org/onlab/onos/net/intent/impl/IntentManagerTest.java b/core/net/src/test/java/org/onlab/onos/net/intent/impl/IntentManagerTest.java
index 20240d4..f27ddc1 100644
--- a/core/net/src/test/java/org/onlab/onos/net/intent/impl/IntentManagerTest.java
+++ b/core/net/src/test/java/org/onlab/onos/net/intent/impl/IntentManagerTest.java
@@ -5,6 +5,7 @@
 import com.google.common.collect.Maps;
 import com.google.common.collect.Multimap;
 import com.google.common.collect.Sets;
+
 import org.hamcrest.Description;
 import org.hamcrest.Matchers;
 import org.hamcrest.TypeSafeMatcher;
@@ -40,6 +41,7 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 
 import static org.hamcrest.Matchers.equalTo;
@@ -229,7 +231,8 @@
 
         public void await(IntentEvent.Type type) {
             try {
-                latchMap.get(type).await();
+                assertTrue("Timed out waiting for: " + type,
+                           latchMap.get(type).await(5, TimeUnit.SECONDS));
             } catch (InterruptedException e) {
                 e.printStackTrace();
             }