Convert sal-distributed-datastore to OSGi DS

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / databroker / OSGiDOMDataBroker.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/OSGiDOMDataBroker.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/OSGiDOMDataBroker.java
new file mode 100644 (file)
index 0000000..f0dbf96
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/OSGiDOMDataBroker.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.databroker;
+
+import com.google.common.annotations.Beta;
+import com.google.common.collect.ClassToInstanceMap;
+import com.google.common.collect.ImmutableMap;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.CommitStatsMXBeanImpl;
+import org.opendaylight.controller.md.sal.common.util.jmx.ThreadExecutorStatsMXBeanImpl;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMDataBroker;
+import org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
+import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
+import org.opendaylight.mdsal.dom.api.DOMTransactionChainListener;
+import org.opendaylight.mdsal.dom.spi.store.DOMStore;
+import org.opendaylight.yangtools.util.DurationStatisticsTracker;
+import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
+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;
+import org.osgi.service.metatype.annotations.ObjectClassDefinition;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Beta
+@Component(immediate = true, configurationPid = "org.opendaylight.controller.cluster.datastore.broker",
+    property = "type=default")
+@Designate(ocd = OSGiDOMDataBroker.Config.class)
+public final class OSGiDOMDataBroker implements DOMDataBroker {
+    @ObjectClassDefinition
+    public @interface Config {
+        @AttributeDefinition(name = "max-data-broker-future-callback-queue-size")
+        int callbackQueueSize() default 1000;
+        @AttributeDefinition(name = "max-data-broker-future-callback-pool-size")
+        int callbackPoolSize() default 20;
+    }
+
+    private static final Logger LOG = LoggerFactory.getLogger(OSGiDOMDataBroker.class);
+
+    @Reference(target = "(type=distributed-config)")
+    DOMStore configDatastore = null;
+    @Reference(target = "(type=distributed-operational)")
+    DOMStore operDatastore = null;
+
+    private ExecutorService executorService;
+    private ConcurrentDOMDataBroker delegate;
+    private CommitStatsMXBeanImpl commitStats;
+    private ThreadExecutorStatsMXBeanImpl threadStats;
+
+    @Override
+    public DOMDataTreeReadTransaction newReadOnlyTransaction() {
+        return delegate.newReadOnlyTransaction();
+    }
+
+    @Override
+    public DOMDataTreeWriteTransaction newWriteOnlyTransaction() {
+        return delegate.newWriteOnlyTransaction();
+    }
+
+    @Override
+    public DOMDataTreeReadWriteTransaction newReadWriteTransaction() {
+        return delegate.newReadWriteTransaction();
+    }
+
+    @Override
+    public ClassToInstanceMap<DOMDataBrokerExtension> getExtensions() {
+        return delegate.getExtensions();
+    }
+
+    @Override
+    public DOMTransactionChain createTransactionChain(final DOMTransactionChainListener listener) {
+        return delegate.createTransactionChain(listener);
+    }
+
+    @Override
+    public DOMTransactionChain createMergingTransactionChain(final DOMTransactionChainListener listener) {
+        return delegate.createMergingTransactionChain(listener);
+    }
+
+    @Activate
+    void activate(final Config config) {
+        LOG.info("DOM Data Broker starting");
+        final DurationStatisticsTracker commitStatsTracker = DurationStatisticsTracker.createConcurrent();
+
+        executorService = SpecialExecutors.newBlockingBoundedCachedThreadPool(config.callbackPoolSize(),
+            config.callbackQueueSize(), "CommitFutures", ConcurrentDOMDataBroker.class);
+        delegate = new ConcurrentDOMDataBroker(ImmutableMap.of(
+            LogicalDatastoreType.CONFIGURATION, configDatastore, LogicalDatastoreType.OPERATIONAL, operDatastore),
+            executorService, commitStatsTracker);
+
+        commitStats = new CommitStatsMXBeanImpl(commitStatsTracker, "DOMDataBroker");
+        commitStats.register();
+        threadStats = ThreadExecutorStatsMXBeanImpl.create(executorService, "CommitFutureExecutorStats",
+            "DOMDataBroker");
+
+        LOG.info("DOM Data Broker started");
+    }
+
+    @Deactivate
+    void deactivate() {
+        LOG.info("DOM Data Broker stopping");
+        commitStats.unregister();
+        if (threadStats != null) {
+            threadStats.unregister();
+        }
+
+        delegate.close();
+        executorService.shutdown();
+        try {
+            executorService.awaitTermination(1, TimeUnit.MINUTES);
+        } catch (InterruptedException e) {
+            LOG.warn("Future executor failed to finish in time, giving up", e);
+        }
+        LOG.info("DOM Data Broker stopped");
+    }
+}