Updates to Intent Manager and store interface

Change-Id: Ida612bf5d0f4abe7e81d2f307a80f989603015e7
diff --git a/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleIntentStore.java b/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleIntentStore.java
index f3a5cf0..dee2351 100644
--- a/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleIntentStore.java
+++ b/core/store/trivial/src/main/java/org/onosproject/store/trivial/impl/SimpleIntentStore.java
@@ -15,8 +15,8 @@
  */
 package org.onosproject.store.trivial.impl;
 
-import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -36,10 +36,10 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Collectors;
 
-import static com.google.common.base.Preconditions.*;
-import static org.onosproject.net.intent.IntentState.WITHDRAWN;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkNotNull;
 import static org.slf4j.LoggerFactory.getLogger;
 
 @Component(immediate = true)
@@ -51,11 +51,8 @@
     private final Logger log = getLogger(getClass());
 
     // current state maps FIXME.. make this a IntentData map
-    private final Map<IntentId, Intent> intents = new ConcurrentHashMap<>();
-    private final Map<IntentId, IntentState> states = new ConcurrentHashMap<>();
-    private final Map<IntentId, List<Intent>> installable = new ConcurrentHashMap<>();
-
-    private final Map<String, IntentData> pending = new ConcurrentHashMap<>(); //String is "key"
+    private final Map<String, IntentData> current = Maps.newConcurrentMap();
+    private final Map<String, IntentData> pending = Maps.newConcurrentMap(); //String is "key"
 
     @Activate
     public void activate() {
@@ -67,45 +64,32 @@
         log.info("Stopped");
     }
 
-    private void createIntent(Intent intent) {
-        if (intents.containsKey(intent.id())) {
-            return;
-        }
-        intents.put(intent.id(), intent);
-        this.setState(intent, IntentState.INSTALL_REQ);
-    }
-
-    private void removeIntent(IntentId intentId) {
-        checkState(getIntentState(intentId) == WITHDRAWN,
-                   "Intent state for {} is not WITHDRAWN.", intentId);
-        intents.remove(intentId);
-        installable.remove(intentId);
-        states.remove(intentId);
-    }
-
     @Override
     public long getIntentCount() {
-        return intents.size();
+        return current.size();
     }
 
     @Override
     public Iterable<Intent> getIntents() {
-        return ImmutableSet.copyOf(intents.values());
+        return current.values().stream()
+                .map(IntentData::intent)
+                .collect(Collectors.toList());
     }
 
     @Override
     public Intent getIntent(IntentId intentId) {
-        return intents.get(intentId);
+        throw new UnsupportedOperationException("deprecated");
     }
 
     @Override
     public IntentState getIntentState(IntentId id) {
-        return states.get(id);
+        throw new UnsupportedOperationException("deprecated");
     }
 
     private void setState(Intent intent, IntentState state) {
+        //FIXME
         IntentId id = intent.id();
-        states.put(id, state);
+//        states.put(id, state);
         IntentEvent.Type type = null;
 
         switch (state) {
@@ -133,16 +117,23 @@
     }
 
     private void setInstallableIntents(IntentId intentId, List<Intent> result) {
-        installable.put(intentId, result);
+        //FIXME
+//        installable.put(intentId, result);
     }
 
     @Override
     public List<Intent> getInstallableIntents(IntentId intentId) {
-        return installable.get(intentId);
+        throw new UnsupportedOperationException("deprecated");
+    }
+
+    @Override
+    public IntentData getIntentData(String key) {
+        return current.get(key);
     }
 
     private void removeInstalledIntents(IntentId intentId) {
-        installable.remove(intentId);
+        //FIXME
+//        installable.remove(intentId);
     }
 
     /**
@@ -165,14 +156,14 @@
                               "CREATE_INTENT takes 1 argument. %s", op);
                 Intent intent = (Intent) op.args().get(0);
                 // TODO: what if it failed?
-                createIntent(intent);
+//                createIntent(intent); FIXME
                 break;
 
             case REMOVE_INTENT:
                 checkArgument(op.args().size() == 1,
                               "REMOVE_INTENT takes 1 argument. %s", op);
                 IntentId intentId = (IntentId) op.args().get(0);
-                removeIntent(intentId);
+//                removeIntent(intentId); FIXME
                 break;
 
             case REMOVE_INSTALLED: