Andrii Shvaika
6 years ago
14 changed files with 261 additions and 25 deletions
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/** |
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* Copyright © 2016-2020 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.profile; |
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import lombok.extern.slf4j.Slf4j; |
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import org.springframework.stereotype.Service; |
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import org.thingsboard.server.common.data.Device; |
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import org.thingsboard.server.common.data.DeviceProfile; |
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import org.thingsboard.server.common.data.id.DeviceId; |
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import org.thingsboard.server.common.data.id.DeviceProfileId; |
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import org.thingsboard.server.common.data.id.TenantId; |
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import org.thingsboard.server.dao.device.DeviceProfileService; |
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import org.thingsboard.server.dao.device.DeviceService; |
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import java.util.concurrent.ConcurrentHashMap; |
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import java.util.concurrent.ConcurrentMap; |
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import java.util.concurrent.locks.Lock; |
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import java.util.concurrent.locks.ReentrantLock; |
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@Service |
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@Slf4j |
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public class DefaultTbDeviceProfileCache implements TbDeviceProfileCache { |
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private final Lock deviceProfileFetchLock = new ReentrantLock(); |
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private final DeviceProfileService deviceProfileService; |
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private final DeviceService deviceService; |
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private final ConcurrentMap<DeviceProfileId, DeviceProfile> deviceProfilesMap = new ConcurrentHashMap<>(); |
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private final ConcurrentMap<DeviceId, DeviceProfileId> devicesMap = new ConcurrentHashMap<>(); |
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public DefaultTbDeviceProfileCache(DeviceProfileService deviceProfileService, DeviceService deviceService) { |
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this.deviceProfileService = deviceProfileService; |
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this.deviceService = deviceService; |
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} |
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@Override |
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public DeviceProfile get(TenantId tenantId, DeviceProfileId deviceProfileId) { |
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DeviceProfile profile = deviceProfilesMap.get(deviceProfileId); |
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if (profile == null) { |
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deviceProfileFetchLock.lock(); |
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profile = deviceProfilesMap.get(deviceProfileId); |
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if (profile == null) { |
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try { |
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profile = deviceProfileService.findDeviceProfileById(tenantId, deviceProfileId); |
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if (profile != null) { |
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deviceProfilesMap.put(deviceProfileId, profile); |
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} |
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} finally { |
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deviceProfileFetchLock.unlock(); |
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} |
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} |
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} |
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return profile; |
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} |
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@Override |
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public DeviceProfile get(TenantId tenantId, DeviceId deviceId) { |
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DeviceProfileId profileId = devicesMap.get(deviceId); |
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if (profileId == null) { |
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Device device = deviceService.findDeviceById(tenantId, deviceId); |
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if (device != null) { |
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profileId = device.getDeviceProfileId(); |
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devicesMap.put(deviceId, profileId); |
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} |
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} |
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return get(tenantId, profileId); |
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} |
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@Override |
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public void put(DeviceProfile profile) { |
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if (profile.getId() != null) { |
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deviceProfilesMap.put(profile.getId(), profile); |
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} |
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} |
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@Override |
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public void evict(DeviceProfileId profileId) { |
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deviceProfilesMap.remove(profileId); |
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} |
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@Override |
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public void evict(DeviceId deviceId) { |
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devicesMap.remove(deviceId); |
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} |
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} |
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@ -0,0 +1,35 @@ |
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/** |
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* Copyright © 2016-2020 The Thingsboard Authors |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.thingsboard.server.service.profile; |
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import org.thingsboard.server.common.data.DeviceProfile; |
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import org.thingsboard.server.common.data.id.DeviceId; |
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import org.thingsboard.server.common.data.id.DeviceProfileId; |
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import org.thingsboard.server.common.data.id.TenantId; |
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public interface TbDeviceProfileCache { |
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DeviceProfile get(TenantId tenantId, DeviceProfileId deviceProfileId); |
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DeviceProfile get(TenantId tenantId, DeviceId deviceId); |
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void put(DeviceProfile profile); |
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void evict(DeviceProfileId id); |
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void evict(DeviceId id); |
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} |
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