opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/config/yang/md/sal/dom/impl/DomInmemoryDataBrokerModule.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.config.yang.md.sal.dom.impl;
   9
  10 import java.util.concurrent.Executors;
  11
  12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  13 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitDeadlockException;
  14 import org.opendaylight.controller.md.sal.dom.broker.impl.DOMDataBrokerImpl;
  15 import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
  16 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
  17 import org.opendaylight.yangtools.util.concurrent.DeadlockDetectingListeningExecutorService;
  18
  19 import com.google.common.collect.ImmutableMap;
  20 import com.google.common.util.concurrent.ListeningExecutorService;
  21 import com.google.common.util.concurrent.MoreExecutors;
  22
  23 /**
  24 *
  25 */
  26 public final class DomInmemoryDataBrokerModule extends
  27         org.opendaylight.controller.config.yang.md.sal.dom.impl.AbstractDomInmemoryDataBrokerModule {
  28
  29     public DomInmemoryDataBrokerModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
  30             final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
  31         super(identifier, dependencyResolver);
  32     }
  33
  34     public DomInmemoryDataBrokerModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier,
  35             final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver,
  36             final DomInmemoryDataBrokerModule oldModule, final java.lang.AutoCloseable oldInstance) {
  37
  38         super(identifier, dependencyResolver, oldModule, oldInstance);
  39     }
  40
  41     @Override
  42     protected void customValidation() {
  43         // Add custom validation for module attributes here.
  44     }
  45
  46     @Override
  47     public java.lang.AutoCloseable createInstance() {
  48         ListeningExecutorService storeExecutor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
  49         //Initializing Operational DOM DataStore defaulting to InMemoryDOMDataStore if one is not configured
  50         DOMStore operStore =  getOperationalDataStoreDependency();
  51         if(operStore == null){
  52            //we will default to InMemoryDOMDataStore creation
  53           operStore = new InMemoryDOMDataStore("DOM-OPER", storeExecutor);
  54           //here we will register the SchemaContext listener
  55           getSchemaServiceDependency().registerSchemaContextListener((InMemoryDOMDataStore)operStore);
  56         }
  57
  58         DOMStore configStore = getConfigDataStoreDependency();
  59         if(configStore == null){
  60            //we will default to InMemoryDOMDataStore creation
  61            configStore = new InMemoryDOMDataStore("DOM-CFG", storeExecutor);
  62           //here we will register the SchemaContext listener
  63           getSchemaServiceDependency().registerSchemaContextListener((InMemoryDOMDataStore)configStore);
  64         }
  65         ImmutableMap<LogicalDatastoreType, DOMStore> datastores = ImmutableMap
  66                 .<LogicalDatastoreType, DOMStore> builder().put(LogicalDatastoreType.OPERATIONAL, operStore)
  67                 .put(LogicalDatastoreType.CONFIGURATION, configStore).build();
  68
  69         DOMDataBrokerImpl newDataBroker = new DOMDataBrokerImpl(datastores,
  70                 new DeadlockDetectingListeningExecutorService(Executors.newSingleThreadExecutor(),
  71                                               TransactionCommitDeadlockException.DEADLOCK_EXECUTOR_FUNCTION));
  72
  73         return newDataBroker;
  74     }
  75 }