Move ConcurrentDOMDataBroker to clustered-datastore

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / config / yang / config / concurrent_data_broker / DomConcurrentDataBrokerModule.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/config/yang/config/concurrent_data_broker/DomConcurrentDataBrokerModule.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/config/yang/config/concurrent_data_broker/DomConcurrentDataBrokerModule.java
new file mode 100644 (file)
index 0000000..62da307
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/config/yang/config/concurrent_data_broker/DomConcurrentDataBrokerModule.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. 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.config.yang.config.concurrent_data_broker;
+
+import com.google.common.collect.Lists;
+import java.util.EnumMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import org.opendaylight.controller.cluster.datastore.ConcurrentDOMDataBroker;
+import org.opendaylight.controller.config.api.DependencyResolver;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.util.jmx.AbstractMXBean;
+import org.opendaylight.controller.md.sal.common.util.jmx.ThreadExecutorStatsMXBeanImpl;
+import org.opendaylight.controller.md.sal.dom.broker.impl.jmx.CommitStatsMXBeanImpl;
+import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStoreFactory;
+import org.opendaylight.controller.sal.core.spi.data.DOMStore;
+import org.opendaylight.yangtools.util.DurationStatisticsTracker;
+import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
+
+public class DomConcurrentDataBrokerModule extends AbstractDomConcurrentDataBrokerModule {
+    private static final String JMX_BEAN_TYPE = "DOMDataBroker";
+
+    public DomConcurrentDataBrokerModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier, final DependencyResolver dependencyResolver) {
+        super(identifier, dependencyResolver);
+    }
+
+    public DomConcurrentDataBrokerModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier, final DependencyResolver dependencyResolver, final DomConcurrentDataBrokerModule oldModule, final AutoCloseable oldInstance) {
+        super(identifier, dependencyResolver, oldModule, oldInstance);
+    }
+
+    @Override
+    public AutoCloseable createInstance() {
+        //Initializing Operational DOM DataStore defaulting to InMemoryDOMDataStore if one is not configured
+        DOMStore operStore =  getOperationalDataStoreDependency();
+        if(operStore == null){
+           //we will default to InMemoryDOMDataStore creation
+          operStore = InMemoryDOMDataStoreFactory.create("DOM-OPER", getSchemaServiceDependency());
+        }
+
+        DOMStore configStore = getConfigDataStoreDependency();
+        if(configStore == null){
+           //we will default to InMemoryDOMDataStore creation
+           configStore = InMemoryDOMDataStoreFactory.create("DOM-CFG", getSchemaServiceDependency());
+        }
+
+        final Map<LogicalDatastoreType, DOMStore> datastores = new EnumMap<>(LogicalDatastoreType.class);
+        datastores.put(LogicalDatastoreType.OPERATIONAL, operStore);
+        datastores.put(LogicalDatastoreType.CONFIGURATION, configStore);
+
+        /*
+         * We use an executor for commit ListenableFuture callbacks that favors reusing available
+         * threads over creating new threads at the expense of execution time. The assumption is
+         * that most ListenableFuture callbacks won't execute a lot of business logic where we want
+         * it to run quicker - many callbacks will likely just handle error conditions and do
+         * nothing on success. The executor queue capacity is bounded and, if the capacity is
+         * reached, subsequent submitted tasks will block the caller.
+         */
+        ExecutorService listenableFutureExecutor = SpecialExecutors.newBlockingBoundedCachedThreadPool(
+                getMaxDataBrokerFutureCallbackPoolSize(), getMaxDataBrokerFutureCallbackQueueSize(),
+                "CommitFutures");
+
+        final List<AbstractMXBean> mBeans = Lists.newArrayList();
+
+        final DurationStatisticsTracker commitStatsTracker;
+        final ConcurrentDOMDataBroker cdb = new ConcurrentDOMDataBroker(datastores, listenableFutureExecutor);
+        commitStatsTracker = cdb.getCommitStatsTracker();
+
+        if(commitStatsTracker != null) {
+            final CommitStatsMXBeanImpl commitStatsMXBean = new CommitStatsMXBeanImpl(
+                    commitStatsTracker, JMX_BEAN_TYPE);
+            commitStatsMXBean.registerMBean();
+            mBeans.add(commitStatsMXBean);
+        }
+
+        final AbstractMXBean commitFutureStatsMXBean =
+                ThreadExecutorStatsMXBeanImpl.create(listenableFutureExecutor,
+                        "CommitFutureExecutorStats", JMX_BEAN_TYPE, null);
+        if(commitFutureStatsMXBean != null) {
+            mBeans.add(commitFutureStatsMXBean);
+        }
+
+        cdb.setCloseable(new AutoCloseable() {
+            @Override
+            public void close() {
+                for(AbstractMXBean mBean: mBeans) {
+                    mBean.unregisterMBean();
+                }
+            }
+        });
+
+        return cdb;
+    }
+}