ConsistentLinkResourceStore to replace HazelcastLinkResourceStore. Also

includes:

 - typo fix (intendId -> intentId)
 - refactored ResourceAllocations command so it doesn't use error handling as
   part of control flow
 - add ability to compare LinkResourceAllocations

Reference: ONOS-1076

Conflicts:
	cli/src/main/java/org/onosproject/cli/net/ResourceAllocationsCommand.java

Change-Id: I6a68012d8d7d359ce7c5dcd31e80a3b9f63d5670

@@ -21,14 +21,13 @@ import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Link;
 import org.onosproject.net.link.LinkService;
-import org.onosproject.net.resource.LinkResourceAllocations;
 import org.onosproject.net.resource.LinkResourceService;
 
 /**
- * Lists allocations by link.
+ * Lists allocations by link. Lists all allocations if link is unspecified.
  */
 @Command(scope = "onos", name = "resource-allocations",
-         description = "Lists allocations by link")
+        description = "Lists allocations by link. Lists all allocations if link is unspecified.")
 public class ResourceAllocationsCommand extends AbstractShellCommand {
 
     private static final String FMT = "src=%s/%s, dst=%s/%s, type=%s%s";
@@ -46,27 +45,20 @@ public class ResourceAllocationsCommand extends AbstractShellCommand {
         LinkResourceService resourceService = get(LinkResourceService.class);
         LinkService linkService = get(LinkService.class);
 
-        Iterable<LinkResourceAllocations> itr = null;
-        try {
-            ConnectPoint src = ConnectPoint.deviceConnectPoint(srcString);
-
-            ConnectPoint dst = ConnectPoint.deviceConnectPoint(dstString);
-
-            Link link = linkService.getLink(src, dst);
-
-            itr = resourceService.getAllocations(link);
-
-            for (LinkResourceAllocations allocation : itr) {
-                print("%s", allocation.getResourceAllocation(link));
-            }
+        if (srcString == null || dstString == null) {
+            print("----- Displaying all resource allocations -----");
+            resourceService.getAllocations().forEach(alloc -> print("%s", alloc));
+            return;
+        }
 
-        } catch (Exception e) {
-            print("----- Displaying all resource allocations -----", e.getMessage());
-            itr = resourceService.getAllocations();
-            for (LinkResourceAllocations allocation : itr) {
-                print("%s", allocation);
-            }
+        ConnectPoint src = ConnectPoint.deviceConnectPoint(srcString);
+        ConnectPoint dst = ConnectPoint.deviceConnectPoint(dstString);
 
+        Link link = linkService.getLink(src, dst);
+        if (link != null) {
+            resourceService.getAllocations(link).forEach(alloc -> print("%s", alloc));
+        } else {
+            print("No path found for endpoints: %s, %s", src, dst);
         }
     }
 }

@@ -15,6 +15,8 @@
  */
 package org.onosproject.net.resource;
 
+import java.util.Objects;
+
 import com.google.common.base.MoreObjects;
 
 /**
@@ -48,6 +50,23 @@ public class BandwidthResourceRequest implements ResourceRequest {
     }
 
     @Override
+    public int hashCode() {
+        return Objects.hash(bandwidth);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+        final BandwidthResourceAllocation other = (BandwidthResourceAllocation) obj;
+        return Objects.equals(this.bandwidth, other.bandwidth());
+    }
+
+    @Override
     public String toString() {
         return MoreObjects.toStringHelper(this)
                 .add("bandwidth", bandwidth)

@@ -27,6 +27,7 @@ import org.onosproject.net.intent.IntentId;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Map.Entry;
 import java.util.Set;
 
@@ -56,8 +57,8 @@ public class DefaultLinkResourceAllocations implements LinkResourceAllocations {
     }
 
     @Override
-    public IntentId intendId() {
-        return request.intendId();
+    public IntentId intentId() {
+        return request.intentId();
     }
 
     @Override
@@ -85,6 +86,24 @@ public class DefaultLinkResourceAllocations implements LinkResourceAllocations {
     }
 
     @Override
+    public int hashCode() {
+        return Objects.hash(request, allocations);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+        final DefaultLinkResourceAllocations other = (DefaultLinkResourceAllocations) obj;
+        return Objects.equals(this.request, other.request)
+                && Objects.equals(this.allocations, other.allocations);
+    }
+
+    @Override
     public String toString() {
         return MoreObjects.toStringHelper(this)
                 .add("allocations", allocations)

@@ -18,12 +18,14 @@ package org.onosproject.net.resource;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
+import java.util.Objects;
 
 import org.onosproject.net.Link;
 import org.onosproject.net.intent.Constraint;
 import org.onosproject.net.intent.IntentId;
 
 import com.google.common.collect.ImmutableSet;
+
 import org.onosproject.net.intent.constraint.BandwidthConstraint;
 import org.onosproject.net.intent.constraint.LambdaConstraint;
 
@@ -59,7 +61,7 @@ public final class DefaultLinkResourceRequest implements LinkResourceRequest {
     }
 
     @Override
-    public IntentId intendId() {
+    public IntentId intentId() {
         return intentId;
     }
 
@@ -150,7 +152,6 @@ public final class DefaultLinkResourceRequest implements LinkResourceRequest {
             return this;
         }
 
-
         /**
          * Returns link resource request.
          *
@@ -162,4 +163,21 @@ public final class DefaultLinkResourceRequest implements LinkResourceRequest {
         }
     }
 
+    @Override
+    public int hashCode() {
+        return Objects.hash(intentId, links);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+        final DefaultLinkResourceRequest other = (DefaultLinkResourceRequest) obj;
+        return Objects.equals(this.intentId, other.intentId)
+                && Objects.equals(this.links, other.links);
+    }
 }

@@ -32,7 +32,7 @@ public interface LinkResourceRequest extends ResourceRequest {
      *
      * @return the {@link IntentId} associated with the request
      */
-    IntentId intendId();
+    IntentId intentId();
 
     /**
      * Returns the set of target links.

@@ -16,7 +16,6 @@
 
 package org.onosproject.store.service;
 
-
 /**
  * Transactional Map data structure.
  * <p>

@@ -184,7 +184,7 @@ public class IntentTestsMocks {
         }
 
         @Override
-        public IntentId intendId() {
+        public IntentId intentId() {
             return null;
         }
 

@@ -34,7 +34,6 @@ import com.google.common.collect.Maps;
  * Default TransactionContext implementation.
  */
 public class DefaultTransactionContext implements TransactionContext {
-
     private static final String TX_NOT_OPEN_ERROR = "Transaction Context is not open";
 
     @SuppressWarnings("rawtypes")

@@ -356,7 +356,6 @@ public class PartitionedDatabase implements Database {
         }
         Map<Database, Transaction> subTransactions = Maps.newHashMap();
         perPartitionUpdates.forEach((k, v) -> subTransactions.put(k, new DefaultTransaction(transaction.id(), v)));
-
         return subTransactions;
     }
 }

@@ -16,6 +16,7 @@
 package org.onosproject.store.consistent.impl;
 
 import static com.google.common.base.Preconditions.checkNotNull;
+
 import java.util.Collection;
 import java.util.concurrent.CompletableFuture;
 import java.util.stream.Collectors;

@@ -339,7 +339,7 @@ public class HazelcastLinkResourceStore
 
                 STxMap<IntentId, LinkResourceAllocations> intentAllocs = getIntentAllocs(tx);
                 // should this be conditional write?
-                intentAllocs.put(allocations.intendId(), allocations);
+                intentAllocs.put(allocations.intentId(), allocations);
 
                 for (Link link : allocations.links()) {
                     allocateLinkResource(tx, link, allocations);
@@ -349,7 +349,7 @@ public class HazelcastLinkResourceStore
                 return;
             } catch (TransactionException e) {
                 log.debug("Failed to commit allocations for {}. [retry={}]",
-                          allocations.intendId(), i);
+                          allocations.intentId(), i);
                 log.trace(" details {} ", allocations, e);
                 continue;
             } catch (Exception e) {
@@ -438,7 +438,7 @@ public class HazelcastLinkResourceStore
     public LinkResourceEvent releaseResources(LinkResourceAllocations allocations) {
         checkNotNull(allocations);
 
-        final IntentId intendId = allocations.intendId();
+        final IntentId intendId = allocations.intentId();
         final Collection<Link> links = allocations.links();
 
         boolean success = false;

@@ -224,7 +224,7 @@ public class SimpleLinkResourceStore implements LinkResourceStore {
     @Override
     public synchronized void allocateResources(LinkResourceAllocations allocations) {
         checkNotNull(allocations);
-        linkResourceAllocationsMap.put(allocations.intendId(), allocations);
+        linkResourceAllocationsMap.put(allocations.intentId(), allocations);
         for (Link link : allocations.links()) {
             subtractFreeResources(link, allocations);
             Set<LinkResourceAllocations> linkAllocs = allocatedResources.get(link);
@@ -239,7 +239,7 @@ public class SimpleLinkResourceStore implements LinkResourceStore {
     @Override
     public synchronized LinkResourceEvent releaseResources(LinkResourceAllocations allocations) {
         checkNotNull(allocations);
-        linkResourceAllocationsMap.remove(allocations.intendId());
+        linkResourceAllocationsMap.remove(allocations.intentId());
         for (Link link : allocations.links()) {
             addFreeResources(link, allocations);
             Set<LinkResourceAllocations> linkAllocs = allocatedResources.get(link);

@@ -191,7 +191,7 @@ public class SimpleLinkResourceStoreTest {
         }
 
         @Override
-        public IntentId intendId() {
+        public IntentId intentId() {
             return null;
         }
 
@@ -227,7 +227,7 @@ public class SimpleLinkResourceStoreTest {
         }
 
         @Override
-        public IntentId intendId() {
+        public IntentId intentId() {
             return null;
         }