Rename DOMDataTreeChangeService

[mdsal.git] / replicate / mdsal-replicate-netty / src / main / java / org / opendaylight / mdsal / replicate / netty / NettyReplicationSource.java

diff --git a/replicate/mdsal-replicate-netty/src/main/java/org/opendaylight/mdsal/replicate/netty/NettyReplicationSource.java b/replicate/mdsal-replicate-netty/src/main/java/org/opendaylight/mdsal/replicate/netty/NettyReplicationSource.java
index f94a4717c6a49a297ea3416e8fb3bbb416a8ad52..eee974009781c61dea1bb38bade9ead3f9ae99eb 100644 (file)
--- a/replicate/mdsal-replicate-netty/src/main/java/org/opendaylight/mdsal/replicate/netty/NettyReplicationSource.java
+++ b/replicate/mdsal-replicate-netty/src/main/java/org/opendaylight/mdsal/replicate/netty/NettyReplicationSource.java
@@ -8,16 +8,17 @@
 package org.opendaylight.mdsal.replicate.netty;
 
 import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Verify.verify;
+import static com.google.common.base.Verify.verifyNotNull;
 
+import com.google.common.annotations.VisibleForTesting;
 import java.time.Duration;
 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.mdsal.dom.api.DOMDataBroker.DataTreeChangeExtension;
 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
-import org.opendaylight.yangtools.concepts.AbstractRegistration;
 import org.opendaylight.yangtools.concepts.Registration;
 import org.osgi.service.component.annotations.Activate;
 import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
 import org.osgi.service.component.annotations.Reference;
 import org.osgi.service.metatype.annotations.AttributeDefinition;
 import org.osgi.service.metatype.annotations.Designate;
@@ -25,7 +26,7 @@ import org.osgi.service.metatype.annotations.ObjectClassDefinition;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-@Component(immediate = true, configurationPid = "org.opendaylight.mdsal.replicate.netty.source")
+@Component(service = { }, configurationPid = "org.opendaylight.mdsal.replicate.netty.source")
 @Designate(ocd = NettyReplicationSource.Config.class)
 public final class NettyReplicationSource {
     private static final Logger LOG = LoggerFactory.getLogger(NettyReplicationSource.class);
@@ -45,43 +46,31 @@ public final class NettyReplicationSource {
         int maxMissedKeepalives() default 5;
     }
 
-    @Reference
-    private BootstrapSupport bootstrapSupport;
-
-    @Reference
-    private DOMDataBroker dataBroker;
-
-    @Reference
-    private ClusterSingletonServiceProvider singletonService;
-
-    private static final class Disabled extends AbstractRegistration {
-        @Override
-        protected void removeRegistration() {
-            // no-op
-        }
-    }
-
-    private NettyReplicationSource() {
-
-    }
+    private Registration reg;
 
     @Activate
-    void activate(final Config config) {
-        final Duration keepaliveInterval = Duration.ofSeconds(config.keepAliveIntervalSeconds());
+    public NettyReplicationSource(@Reference final BootstrapSupport bootstrapSupport,
+            @Reference final DOMDataBroker dataBroker,
+            @Reference final ClusterSingletonServiceProvider singletonService, final Config config) {
+        reg = createSource(bootstrapSupport, dataBroker, singletonService, config.enabled(), config.listenPort(),
+            Duration.ofSeconds(config.keepAliveIntervalSeconds()), config.maxMissedKeepalives());
+    }
 
-        createSource(bootstrapSupport, dataBroker, singletonService, config.enabled(), config.listenPort(),
-                keepaliveInterval, config.maxMissedKeepalives());
+    @Deactivate
+    void deactivate() {
+        reg.close();
+        reg = null;
     }
 
+    @VisibleForTesting
     static Registration createSource(final BootstrapSupport bootstrap, final DOMDataBroker broker,
-                                    final ClusterSingletonServiceProvider singleton, final boolean enabled,
-                                    final int listenPort, final Duration keepaliveInterval,
-                                    final int maxMissedKeepalives) {
+            final ClusterSingletonServiceProvider singleton, final boolean enabled, final int listenPort,
+            final Duration keepaliveInterval, final int maxMissedKeepalives) {
         LOG.debug("Source {}", enabled ? "enabled" : "disabled");
-        final DOMDataTreeChangeService dtcs = broker.getExtensions().getInstance(DOMDataTreeChangeService.class);
-        verify(dtcs != null, "Missing DOMDataTreeChangeService in broker %s", broker);
+        final var dtcs = verifyNotNull(broker.extension(DataTreeChangeExtension.class),
+            "Missing DOMDataTreeChangeService in broker %s", broker);
         checkArgument(maxMissedKeepalives > 0, "max-missed-keepalives %s must be greater than 0", maxMissedKeepalives);
         return enabled ? singleton.registerClusterSingletonService(new SourceSingletonService(bootstrap,
-                dtcs, listenPort, keepaliveInterval, maxMissedKeepalives)) : new Disabled();
+                dtcs, listenPort, keepaliveInterval, maxMissedKeepalives)) : new NoOpRegistration();
     }
 }