walklown commented on code in PR #14106:
URL: https://github.com/apache/dubbo/pull/14106#discussion_r1605952297
##########
dubbo-common/src/main/java/org/apache/dubbo/common/event/DubboApplicationMulticasterRegistry.java:
##########
@@ -14,26 +14,52 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-package org.apache.dubbo.metrics;
+package org.apache.dubbo.common.event;
-import org.apache.dubbo.common.beans.factory.ScopeBeanFactory;
-import org.apache.dubbo.metrics.event.MetricsDispatcher;
import org.apache.dubbo.rpc.model.ApplicationModel;
import org.apache.dubbo.rpc.model.FrameworkModel;
import org.apache.dubbo.rpc.model.ModuleModel;
+import org.apache.dubbo.rpc.model.ScopeModelDestroyListener;
import org.apache.dubbo.rpc.model.ScopeModelInitializer;
-public class MetricsScopeModelInitializer implements ScopeModelInitializer {
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * Initialize {@link DubboLifecycleEventMulticaster} for {@link
ApplicationModel}
+ *
+ * @see DubboEventBus
+ * @see DubboLifecycleEventMulticaster
+ * @since 3.3.0
+ */
+public class DubboApplicationMulticasterRegistry
+ implements ScopeModelInitializer,
ScopeModelDestroyListener<ApplicationModel> {
+
+ private static final ConcurrentHashMap<ApplicationModel,
DubboLifecycleEventMulticaster> multicasterMap =
+ new ConcurrentHashMap<>();
@Override
public void initializeFrameworkModel(FrameworkModel frameworkModel) {}
@Override
public void initializeApplicationModel(ApplicationModel applicationModel) {
- ScopeBeanFactory beanFactory = applicationModel.getBeanFactory();
- beanFactory.registerBean(MetricsDispatcher.class);
+ multicasterMap.computeIfAbsent(applicationModel, t -> new
DefaultDubboEventMulticaster());
+ applicationModel.addDestroyListener(this);
}
@Override
public void initializeModuleModel(ModuleModel moduleModel) {}
+
+ @Override
+ public void onDestroy(ApplicationModel scopeModel) {
+ multicasterMap.remove(scopeModel);
+ }
+
+ @Override
+ public boolean isProtocol() {
+ return true;
+ }
+
+ public static DubboLifecycleEventMulticaster
getMulticaster(ApplicationModel applicationModel) {
Review Comment:
Accepted and submitted, please confirm whether it is good.
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