2 * Copyright (c) 2016 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package io.fd.honeycomb.infra.distro.data;
19 import com.google.inject.Inject;
20 import io.fd.honeycomb.binding.init.ProviderTrait;
22 import java.util.concurrent.ExecutorService;
24 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
26 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
27 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStore;
28 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStoreConfigProperties;
29 import org.opendaylight.mdsal.dom.store.inmemory.InMemoryDOMDataStoreFactory;
30 import org.opendaylight.yangtools.util.concurrent.SpecialExecutors;
34 public final class DataStoreProvider extends ProviderTrait<InMemoryDOMDataStore> {
37 private DOMSchemaService schemaService;
39 private LogicalDatastoreType type;
41 public DataStoreProvider(final String name, final LogicalDatastoreType type) {
47 protected InMemoryDOMDataStore create() {
48 final ExecutorService dataChangeListenerExecutor = createExecutorService(name, InMemoryDOMDataStoreConfigProperties.getDefault());
49 final InMemoryDOMDataStore dataStore = new InMemoryDOMDataStore(name, this.type, dataChangeListenerExecutor,
50 InMemoryDOMDataStoreConfigProperties.getDefault().getMaxDataChangeListenerQueueSize(), InMemoryDOMDataStoreConfigProperties.getDefault().getDebugTransactions());
52 if (schemaService != null) {
53 schemaService.registerSchemaContextListener(dataStore);
59 private static ExecutorService createExecutorService(final String name,
60 final InMemoryDOMDataStoreConfigProperties props) {
61 // For DataChangeListener notifications we use an executor that provides the fastest
62 // task execution time to get higher throughput as DataChangeListeners typically provide
63 // much of the business logic for a data model. If the executor queue size limit is reached,
64 // subsequent submitted notifications will block the calling thread.
65 return SpecialExecutors.newBlockingBoundedFastThreadPool(
66 props.getMaxDataChangeExecutorPoolSize(), props.getMaxDataChangeExecutorQueueSize(),
67 name + "-DCL", InMemoryDOMDataStore.class);