Made ResourceManager to accept arbitrary ResourceConsumer implementation. (ONOS-4406)

Change-Id: If41564824770c2a8b78237a206c036df94141117
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentContinuousResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentContinuousResourceStore.java
index 00ad671..54751a6 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentContinuousResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentContinuousResourceStore.java
@@ -24,7 +24,7 @@
 import org.onosproject.net.resource.DiscreteResourceId;
 import org.onosproject.net.resource.Resource;
 import org.onosproject.net.resource.ResourceAllocation;
-import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.store.service.ConsistentMap;
 import org.onosproject.store.service.ConsistentMapException;
 import org.onosproject.store.service.StorageService;
@@ -132,10 +132,10 @@
                 });
     }
 
-    Stream<ContinuousResource> getResources(ResourceConsumer consumer) {
+    Stream<ContinuousResource> getResources(ResourceConsumerId consumerId) {
         return consumers.values().stream()
                 .flatMap(x -> x.value().allocations().stream())
-                .filter(x -> x.consumer().equals(consumer))
+                .filter(x -> x.consumerId().equals(consumerId))
                 // this cast is safe because this class stores
                 // continuous resource allocations only
                 .map(x -> (ContinuousResource) x.resource());
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentDiscreteResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentDiscreteResourceStore.java
index ce645c0..06b458e 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentDiscreteResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentDiscreteResourceStore.java
@@ -22,7 +22,7 @@
 import org.onosproject.net.resource.DiscreteResourceId;
 import org.onosproject.net.resource.Resource;
 import org.onosproject.net.resource.ResourceAllocation;
-import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.net.resource.Resources;
 import org.onosproject.store.service.ConsistentMap;
 import org.onosproject.store.service.ConsistentMapException;
@@ -41,11 +41,11 @@
 import static org.onosproject.store.resource.impl.ConsistentResourceStore.SERIALIZER;
 
 class ConsistentDiscreteResourceStore {
-    private ConsistentMap<DiscreteResourceId, ResourceConsumer> consumers;
+    private ConsistentMap<DiscreteResourceId, ResourceConsumerId> consumers;
     private ConsistentMap<DiscreteResourceId, Set<DiscreteResource>> childMap;
 
     ConsistentDiscreteResourceStore(StorageService service) {
-        this.consumers = service.<DiscreteResourceId, ResourceConsumer>consistentMapBuilder()
+        this.consumers = service.<DiscreteResourceId, ResourceConsumerId>consistentMapBuilder()
                 .withName(MapNames.DISCRETE_CONSUMER_MAP)
                 .withSerializer(SERIALIZER)
                 .build();
@@ -64,12 +64,12 @@
 
     // computational complexity: O(1)
     List<ResourceAllocation> getResourceAllocations(DiscreteResourceId resource) {
-        Versioned<ResourceConsumer> consumer = consumers.get(resource);
-        if (consumer == null) {
+        Versioned<ResourceConsumerId> consumerId = consumers.get(resource);
+        if (consumerId == null) {
             return ImmutableList.of();
         }
 
-        return ImmutableList.of(new ResourceAllocation(Resources.discrete(resource).resource(), consumer.value()));
+        return ImmutableList.of(new ResourceAllocation(Resources.discrete(resource).resource(), consumerId.value()));
     }
 
     Set<DiscreteResource> getChildResources(DiscreteResourceId parent) {
@@ -97,9 +97,9 @@
                 .filter(x -> consumers.containsKey(x.id()));
     }
 
-    Stream<DiscreteResource> getResources(ResourceConsumer consumer) {
+    Stream<DiscreteResource> getResources(ResourceConsumerId consumerId) {
         return consumers.entrySet().stream()
-                .filter(x -> x.getValue().value().equals(consumer))
+                .filter(x -> x.getValue().value().equals(consumerId))
                 .map(Map.Entry::getKey)
                 .map(x -> Resources.discrete(x).resource());
     }
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java
index 0be8a37..a11aabc 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java
@@ -29,6 +29,7 @@
 import org.onosproject.net.resource.Resource;
 import org.onosproject.net.resource.ResourceAllocation;
 import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.net.resource.ResourceEvent;
 import org.onosproject.net.resource.ResourceId;
 import org.onosproject.net.resource.ResourceStore;
@@ -208,11 +209,11 @@
         TransactionalContinuousResourceStore continuousTxStore = continuousStore.transactional(tx);
         for (Resource resource : resources) {
             if (resource instanceof DiscreteResource) {
-                if (!discreteTxStore.allocate(consumer, (DiscreteResource) resource)) {
+                if (!discreteTxStore.allocate(consumer.consumerId(), (DiscreteResource) resource)) {
                     return abortTransaction(tx);
                 }
             } else if (resource instanceof ContinuousResource) {
-                if (!continuousTxStore.allocate(consumer, (ContinuousResource) resource)) {
+                if (!continuousTxStore.allocate(consumer.consumerId(), (ContinuousResource) resource)) {
                     return abortTransaction(tx);
                 }
             }
@@ -232,14 +233,14 @@
         TransactionalContinuousResourceStore continuousTxStore = continuousStore.transactional(tx);
         for (ResourceAllocation allocation : allocations) {
             Resource resource = allocation.resource();
-            ResourceConsumer consumer = allocation.consumer();
+            ResourceConsumerId consumerId = allocation.consumerId();
 
             if (resource instanceof DiscreteResource) {
-                if (!discreteTxStore.release((DiscreteResource) resource, consumer)) {
+                if (!discreteTxStore.release((DiscreteResource) resource, consumerId)) {
                     return abortTransaction(tx);
                 }
             } else if (resource instanceof ContinuousResource) {
-                if (!continuousTxStore.release((ContinuousResource) resource, consumer)) {
+                if (!continuousTxStore.release((ContinuousResource) resource, consumerId)) {
                     return abortTransaction(tx);
                 }
             }
@@ -269,11 +270,12 @@
     @Override
     public Collection<Resource> getResources(ResourceConsumer consumer) {
         checkNotNull(consumer);
+        ResourceConsumerId consumerId = consumer.consumerId();
 
         // NOTE: getting all entries may become performance bottleneck
         // TODO: revisit for better backend data structure
-        Stream<DiscreteResource> discrete = discreteStore.getResources(consumer);
-        Stream<ContinuousResource> continuous = continuousStore.getResources(consumer);
+        Stream<DiscreteResource> discrete = discreteStore.getResources(consumer.consumerId());
+        Stream<ContinuousResource> continuous = continuousStore.getResources(consumer.consumerId());
 
         return Stream.concat(discrete, continuous).collect(Collectors.toList());
     }
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalContinuousResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalContinuousResourceStore.java
index 7de85f8..f926369 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalContinuousResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalContinuousResourceStore.java
@@ -22,7 +22,7 @@
 import org.onosproject.net.resource.ContinuousResourceId;
 import org.onosproject.net.resource.DiscreteResourceId;
 import org.onosproject.net.resource.ResourceAllocation;
-import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.store.service.TransactionContext;
 import org.onosproject.store.service.TransactionalMap;
 import org.slf4j.Logger;
@@ -133,7 +133,7 @@
         return allocations != null && !allocations.allocations().isEmpty();
     }
 
-    boolean allocate(ResourceConsumer consumer, ContinuousResource request) {
+    boolean allocate(ResourceConsumerId consumerId, ContinuousResource request) {
         // if the resource is not registered, then abort
         Optional<ContinuousResource> lookedUp = lookup(request.id());
         if (!lookedUp.isPresent()) {
@@ -146,7 +146,7 @@
             return false;
         }
 
-        return appendValue(original, new ResourceAllocation(request, consumer));
+        return appendValue(original, new ResourceAllocation(request, consumerId));
     }
 
     // Appends the specified ResourceAllocation to the existing values stored in the map
@@ -166,16 +166,16 @@
         return consumers.replace(original.id(), oldValue, newValue);
     }
 
-    boolean release(ContinuousResource resource, ResourceConsumer consumer) {
+    boolean release(ContinuousResource resource, ResourceConsumerId consumerId) {
         ContinuousResourceAllocation oldAllocation = consumers.get(resource.id());
 
         List<ResourceAllocation> nonMatched = oldAllocation.allocations().stream()
-                .filter(x -> !(x.consumer().equals(consumer) &&
+                .filter(x -> !(x.consumerId().equals(consumerId) &&
                         ((ContinuousResource) x.resource()).value() == resource.value()))
                 .collect(Collectors.toList());
 
         List<ResourceAllocation> matched = oldAllocation.allocations().stream()
-                .filter(x -> (x.consumer().equals(consumer) &&
+                .filter(x -> (x.consumerId().equals(consumerId) &&
                         ((ContinuousResource) x.resource()).value() == resource.value()))
                 .collect(Collectors.toList());
 
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalDiscreteResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalDiscreteResourceStore.java
index 68194d9..83589dc 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalDiscreteResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/TransactionalDiscreteResourceStore.java
@@ -19,7 +19,7 @@
 import org.onosproject.net.resource.DiscreteResource;
 import org.onosproject.net.resource.DiscreteResourceId;
 import org.onosproject.net.resource.Resource;
-import org.onosproject.net.resource.ResourceConsumer;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.net.resource.Resources;
 import org.onosproject.store.service.TransactionContext;
 import org.onosproject.store.service.TransactionalMap;
@@ -36,7 +36,7 @@
 class TransactionalDiscreteResourceStore {
     private final Logger log = LoggerFactory.getLogger(getClass());
     private final TransactionalMap<DiscreteResourceId, Set<DiscreteResource>> childMap;
-    private final TransactionalMap<DiscreteResourceId, ResourceConsumer> consumers;
+    private final TransactionalMap<DiscreteResourceId, ResourceConsumerId> consumers;
 
     TransactionalDiscreteResourceStore(TransactionContext tx) {
         this.childMap = tx.getTransactionalMap(MapNames.DISCRETE_CHILD_MAP, SERIALIZER);
@@ -121,21 +121,21 @@
         return consumers.get(id) != null;
     }
 
-    boolean allocate(ResourceConsumer consumer, DiscreteResource resource) {
+    boolean allocate(ResourceConsumerId consumerId, DiscreteResource resource) {
         // if the resource is not registered, then abort
         Optional<DiscreteResource> lookedUp = lookup(resource.id());
         if (!lookedUp.isPresent()) {
             return false;
         }
 
-        ResourceConsumer oldValue = consumers.put(resource.id(), consumer);
+        ResourceConsumerId oldValue = consumers.put(resource.id(), consumerId);
         return oldValue == null;
     }
 
-    boolean release(DiscreteResource resource, ResourceConsumer consumer) {
+    boolean release(DiscreteResource resource, ResourceConsumerId consumerId) {
         // if this single release fails (because the resource is allocated to another consumer)
         // the whole release fails
-        if (!consumers.remove(resource.id(), consumer)) {
+        if (!consumers.remove(resource.id(), consumerId)) {
             return false;
         }
 
diff --git a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
index a62d422..c1d25b7 100644
--- a/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
+++ b/core/store/serializers/src/main/java/org/onosproject/store/serializers/KryoNamespaces.java
@@ -199,6 +199,7 @@
 import org.onosproject.net.resource.MplsCodec;
 import org.onosproject.net.resource.NoOpCodec;
 import org.onosproject.net.resource.ResourceAllocation;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.net.packet.DefaultOutboundPacket;
 import org.onosproject.net.packet.DefaultPacketRequest;
 import org.onosproject.net.packet.PacketPriority;
@@ -454,6 +455,7 @@
                     DiscreteResourceId.class,
                     ContinuousResourceId.class,
                     ResourceAllocation.class,
+                    ResourceConsumerId.class,
                     // Constraints
                     BandwidthConstraint.class,
                     LinkTypeConstraint.class,
diff --git a/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java b/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java
index 19abfba..4f245cb 100644
--- a/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java
+++ b/core/store/serializers/src/test/java/org/onosproject/store/serializers/KryoSerializerTest.java
@@ -67,6 +67,7 @@
 import org.onosproject.net.resource.DiscreteResourceSet;
 import org.onosproject.net.resource.MplsCodec;
 import org.onosproject.net.resource.ResourceAllocation;
+import org.onosproject.net.resource.ResourceConsumerId;
 import org.onosproject.net.resource.Resources;
 import org.onosproject.net.provider.ProviderId;
 import org.onosproject.net.intent.constraint.AnnotationConstraint;
@@ -404,7 +405,7 @@
     public void testResourceAllocation() {
         testSerializedEquals(new ResourceAllocation(
                 Resources.discrete(DID1, P1, VLAN1).resource(),
-                IntentId.valueOf(30)));
+                ResourceConsumerId.of(30L, IntentId.class)));
     }
 
     @Test