+/*
+ * ============LICENSE_START=======================================================
+ * O-RAN-SC
+ * ================================================================================
+ * Copyright © 2021 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.o.ran.oam.nf.oam.adopter.pm.rest.manager;
+
+import static org.eclipse.jdt.annotation.Checks.requireNonNull;
+
+import com.google.common.collect.ImmutableList;
+import java.time.ZoneId;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.concurrent.ConcurrentHashMap;
+import org.o.ran.oam.nf.oam.adopter.pm.rest.manager.api.PerformanceManagementAdaptersDeployer;
+import org.o.ran.oam.nf.oam.adopter.pm.rest.manager.exceptions.AlreadyPresentException;
+import org.o.ran.oam.nf.oam.adopter.pm.rest.manager.exceptions.NotFoundException;
+import org.o.ran.oam.nf.oam.adopter.pm.rest.manager.pojos.Adapter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public final class AdaptersDeployer implements PerformanceManagementAdaptersDeployer, AutoCloseable {
+
+ private static final Logger LOG = LoggerFactory.getLogger(AdaptersDeployer.class);
+
+ private final PerformanceManagementRestAgentFactory pmRestAgentFactory;
+ private final Map<String, PerformanceManagementRestAgent> adapters = new ConcurrentHashMap<>();
+
+ @Autowired
+ public AdaptersDeployer(final PerformanceManagementRestAgentFactory pmRestAgentFactory) {
+ this.pmRestAgentFactory = pmRestAgentFactory;
+ }
+
+ @Override
+ public synchronized void create(final String hostIpAddress, final String username, final String password)
+ throws AlreadyPresentException {
+ LOG.info("Create device PM adapter {}", hostIpAddress);
+ if (adapters.get(hostIpAddress) != null) {
+ throw new AlreadyPresentException(hostIpAddress);
+ }
+ final Adapter adapter =
+ Adapter.builder().username(username).password(password).hostIpAddress(hostIpAddress).build();
+ final PerformanceManagementRestAgent pmRestAgent =
+ pmRestAgentFactory.createPerformanceManagementRestAgent(adapter).blockingGet();
+ pmRestAgent.init();
+ adapters.put(hostIpAddress, pmRestAgent);
+ }
+
+ @Override
+ public synchronized void delete(final String host) throws NotFoundException {
+ LOG.info("Adapter PM adapter removed {}", requireNonNull(host));
+ final PerformanceManagementRestAgent adapter = adapters.remove(host);
+ if (adapter == null) {
+ throw new NotFoundException(host);
+ }
+ adapter.close();
+ }
+
+ @Override
+ public List<String> getAll() {
+ return ImmutableList.copyOf(adapters.keySet());
+ }
+
+ @Override
+ public ZoneId getTimeZone(final String host) {
+ LOG.debug("Read time zone for {}", host);
+ return Optional.ofNullable(adapters.get(host)).map(
+ PerformanceManagementRestAgent::getTimeZone).orElse(null);
+ }
+
+ @Override
+ public synchronized void close() {
+ for (final String host : ImmutableList.copyOf(adapters.keySet())) {
+ try {
+ delete(host);
+ } catch (final Exception e) {
+ LOG.warn("Failed to delete device PM adapter {}", host);
+ }
+ }
+ adapters.clear();
+ }
+}