2 * ============LICENSE_START========================================================
3 * Copyright (C) 2022 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.ncmp.api.impl.config.embeddedcache;
23 import com.hazelcast.config.Config;
24 import com.hazelcast.config.MapConfig;
25 import com.hazelcast.config.NamedConfig;
26 import com.hazelcast.config.QueueConfig;
27 import com.hazelcast.core.Hazelcast;
28 import com.hazelcast.core.HazelcastInstance;
30 import java.util.concurrent.BlockingQueue;
31 import java.util.concurrent.TimeUnit;
32 import org.onap.cps.spi.model.DataNode;
33 import org.springframework.context.annotation.Bean;
34 import org.springframework.context.annotation.Configuration;
37 * Core infrastructure of the hazelcast distributed caches for Module Sync and Data Sync use cases.
40 public class SynchronizationCacheConfig {
42 private static final QueueConfig commonQueueConfig = createQueueConfig();
43 private static final MapConfig moduleSyncStartedConfig =
44 createMapConfig("moduleSyncStartedConfig", TimeUnit.MINUTES.toSeconds(1));
45 private static final MapConfig dataSyncSemaphoresConfig =
46 createMapConfig("dataSyncSemaphoresConfig", TimeUnit.MINUTES.toSeconds(30));
49 * Module Sync Distributed Queue Instance.
51 * @return queue of cm handles (data nodes) that need module sync
54 public BlockingQueue<DataNode> moduleSyncWorkQueue() {
55 return createHazelcastInstance("moduleSyncWorkQueue", commonQueueConfig)
56 .getQueue("moduleSyncWorkQueue");
60 * Module Sync started (and maybe finished) on cm handles (ids).
62 * @return Map of cm handles (ids) and objects (not used really) for which module sync has started or been completed
65 public Map<String, Object> moduleSyncStartedOnCmHandles() {
66 return createHazelcastInstance("moduleSyncStartedOnCmHandles", moduleSyncStartedConfig)
67 .getMap("moduleSyncStartedOnCmHandles");
71 * Data Sync Distributed Map Instance.
73 * @return configured map of data sync semaphores
76 public Map<String, Boolean> dataSyncSemaphores() {
77 return createHazelcastInstance("dataSyncSemaphores", dataSyncSemaphoresConfig)
78 .getMap("dataSyncSemaphores");
81 private HazelcastInstance createHazelcastInstance(
82 final String hazelcastInstanceName, final NamedConfig namedConfig) {
83 return Hazelcast.newHazelcastInstance(initializeConfig(hazelcastInstanceName, namedConfig));
86 private Config initializeConfig(final String instanceName, final NamedConfig namedConfig) {
87 final Config config = new Config(instanceName);
88 if (namedConfig instanceof MapConfig) {
89 config.addMapConfig((MapConfig) namedConfig);
91 if (namedConfig instanceof QueueConfig) {
92 config.addQueueConfig((QueueConfig) namedConfig);
94 config.setClusterName("synchronization-caches");
98 private static QueueConfig createQueueConfig() {
99 final QueueConfig commonQueueConfig = new QueueConfig("defaultQueueConfig");
100 commonQueueConfig.setBackupCount(3);
101 commonQueueConfig.setAsyncBackupCount(3);
102 return commonQueueConfig;
105 private static MapConfig createMapConfig(final String configName, final long timeToLiveSeconds) {
106 final MapConfig mapConfig = new MapConfig(configName);
107 mapConfig.setBackupCount(3);
108 mapConfig.setAsyncBackupCount(3);
109 mapConfig.setTimeToLiveSeconds((int) timeToLiveSeconds);