Free disk buffers

[controller.git] / opendaylight / blueprint / src / main / java / org / opendaylight / controller / blueprint / ext / StaticServiceReferenceRecipe.java

diff --git a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/StaticServiceReferenceRecipe.java b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/StaticServiceReferenceRecipe.java
index fdeea3bb091bdfed61471066ab4f02f28d506176..26246f9d08876a1785a675a1bb108f230f398be3 100644 (file)
--- a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/StaticServiceReferenceRecipe.java
+++ b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/StaticServiceReferenceRecipe.java
@@ -7,7 +7,9 @@
  */
 package org.opendaylight.controller.blueprint.ext;
 
-import com.google.common.base.Preconditions;
+import static com.google.common.base.Preconditions.checkNotNull;
+import static java.util.Objects.requireNonNull;
+
 import java.util.Collections;
 import java.util.function.Consumer;
 import org.apache.aries.blueprint.container.AbstractServiceReferenceRecipe;
@@ -27,10 +29,6 @@ import org.slf4j.LoggerFactory;
 class StaticServiceReferenceRecipe extends AbstractServiceReferenceRecipe {
     private static final Logger LOG = LoggerFactory.getLogger(StaticServiceReferenceRecipe.class);
 
-    private static final SatisfactionListener NOOP_LISTENER = satisfiable -> {
-        // Intentional NOOP
-    };
-
     private volatile ServiceReference<?> trackedServiceReference;
     private volatile Object trackedService;
     private Consumer<Object> serviceSatisfiedCallback;
@@ -42,8 +40,10 @@ class StaticServiceReferenceRecipe extends AbstractServiceReferenceRecipe {
     }
 
     void startTracking(final Consumer<Object> newServiceSatisfiedCallback) {
-        this.serviceSatisfiedCallback = newServiceSatisfiedCallback;
-        super.start(NOOP_LISTENER);
+        serviceSatisfiedCallback = newServiceSatisfiedCallback;
+        super.start(satisfiable -> {
+            // Intentional NOOP
+        });
     }
 
     @SuppressWarnings("rawtypes")
@@ -106,14 +106,16 @@ class StaticServiceReferenceRecipe extends AbstractServiceReferenceRecipe {
             return trackedService;
         }
 
-        Preconditions.checkNotNull(localTrackedServiceReference, "trackedServiceReference is null");
-
-        trackedService = getServiceSecurely(localTrackedServiceReference);
+        trackedService = getServiceSecurely(requireNonNull(localTrackedServiceReference,
+            "trackedServiceReference is null"));
 
         LOG.debug("{}: Returning service instance: {}", getName(), trackedService);
 
-        Preconditions.checkNotNull(trackedService, "getService() returned null for %s", localTrackedServiceReference);
+        return checkNotNull(trackedService, "getService() returned null for %s", localTrackedServiceReference);
+    }
 
-        return trackedService;
+    @Override
+    public boolean isStaticLifecycle() {
+        return true;
     }
 }