commit 9cc4a241cf33fde2fad75b5b0658696ff993c6a2
author Sho SHIMIZU <sshimizu@us.fujitsu.com> Thu May 26 12:55:35 2016 -0700
committer Gerrit Code Review <gerrit@onlab.us> Tue Jun 14 21:17:09 2016 +0000
tree 5b7f19bf26627576ba64568cf8ef04d6f9058f83
parent b5c236e2eb464a178c08462d7d9c971bb42a9795

Make resource retrieval more efficient when specifing resource type

This resolves ONOS-4666

Change-Id: I9d09b60531ca48b36fc20f43498cda62f1badb8b

core/store/dist/src/main/java/org/onosproject/store/resource/impl/GenericDiscreteResources.java

diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/GenericDiscreteResources.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/GenericDiscreteResources.java
index 79eb13d..1aa8bb9 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/GenericDiscreteResources.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/GenericDiscreteResources.java
@@ -25,6 +25,7 @@
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 final class GenericDiscreteResources implements DiscreteResources {
     private final Set<DiscreteResource> values;
@@ -87,6 +88,13 @@
     }
 
     @Override
+    public <T> Set<DiscreteResource> valuesOf(Class<T> cls) {
+        return values.stream()
+                .filter(x -> x.isTypeOf(cls))
+                .collect(Collectors.toCollection(LinkedHashSet::new));
+    }
+
+    @Override
     public int hashCode() {
         return Objects.hash(values);
     }