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/*
* ============LICENSE_START========================================================
* Copyright (C) 2022 Nordix Foundation
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.api.impl.config.embeddedcache;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.NamedConfig;
import com.hazelcast.config.QueueConfig;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.map.IMap;
import java.util.concurrent.BlockingQueue;
import org.onap.cps.spi.model.DataNode;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* Core infrastructure of the hazelcast distributed caches for Module Sync and Data Sync use cases.
*/
@Configuration
public class SynchronizationCacheConfig {
public static final int MODULE_SYNC_STARTED_TTL_SECS = 60;
public static final int DATA_SYNC_SEMAPHORE_TTL_SECS = 1800;
private static final QueueConfig commonQueueConfig = createQueueConfig();
private static final MapConfig moduleSyncStartedConfig = createMapConfig("moduleSyncStartedConfig");
private static final MapConfig dataSyncSemaphoresConfig = createMapConfig("dataSyncSemaphoresConfig");
/**
* Module Sync Distributed Queue Instance.
*
* @return queue of cm handles (data nodes) that need module sync
*/
@Bean
public BlockingQueue<DataNode> moduleSyncWorkQueue() {
return createHazelcastInstance("moduleSyncWorkQueue", commonQueueConfig)
.getQueue("moduleSyncWorkQueue");
}
/**
* Module Sync started (and maybe finished) on cm handles (ids).
*
* @return Map of cm handles (ids) and objects (not used really) for which module sync has started or been completed
*/
@Bean
public IMap<String, Object> moduleSyncStartedOnCmHandles() {
return createHazelcastInstance("moduleSyncStartedOnCmHandles", moduleSyncStartedConfig)
.getMap("moduleSyncStartedOnCmHandles");
}
/**
* Data Sync Distributed Map Instance.
*
* @return configured map of data sync semaphores
*/
@Bean
public IMap<String, Boolean> dataSyncSemaphores() {
return createHazelcastInstance("dataSyncSemaphores", dataSyncSemaphoresConfig)
.getMap("dataSyncSemaphores");
}
private HazelcastInstance createHazelcastInstance(
final String hazelcastInstanceName, final NamedConfig namedConfig) {
return Hazelcast.newHazelcastInstance(initializeConfig(hazelcastInstanceName, namedConfig));
}
private Config initializeConfig(final String instanceName, final NamedConfig namedConfig) {
final Config config = new Config(instanceName);
if (namedConfig instanceof MapConfig) {
config.addMapConfig((MapConfig) namedConfig);
}
if (namedConfig instanceof QueueConfig) {
config.addQueueConfig((QueueConfig) namedConfig);
}
config.setClusterName("synchronization-caches");
return config;
}
private static QueueConfig createQueueConfig() {
final QueueConfig commonQueueConfig = new QueueConfig("defaultQueueConfig");
commonQueueConfig.setBackupCount(3);
commonQueueConfig.setAsyncBackupCount(3);
return commonQueueConfig;
}
private static MapConfig createMapConfig(final String configName) {
final MapConfig mapConfig = new MapConfig(configName);
mapConfig.setBackupCount(3);
mapConfig.setAsyncBackupCount(3);
return mapConfig;
}
}
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