code: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.
   *
   */
  
  package org.apache.skywalking.oap.server.storage.plugin.banyandb.stream;
  
  import lombok.extern.slf4j.Slf4j;
  import org.apache.skywalking.banyandb.v1.client.TagAndValue;
  import org.apache.skywalking.banyandb.v1.client.metadata.Property;
  import org.apache.skywalking.oap.server.core.profiling.continuous.storage.ContinuousProfilingPolicy;
  import org.apache.skywalking.oap.server.core.storage.profiling.continuous.IContinuousProfilingPolicyDAO;
  import org.apache.skywalking.oap.server.storage.plugin.banyandb.BanyanDBStorageClient;
  
  import java.io.IOException;
  import java.util.List;
  import java.util.Objects;
  import java.util.stream.Collectors;
  
  @Slf4j
  public class BanyanDBContinuousProfilingPolicyDAO extends AbstractBanyanDBDAO implements IContinuousProfilingPolicyDAO {
      private static final String GROUP = "sw";
  
      public BanyanDBContinuousProfilingPolicyDAO(BanyanDBStorageClient client) {
          super(client);
      }
  
      @Override
      public void savePolicy(ContinuousProfilingPolicy policy) throws IOException {
          try {
              this.getClient().define(applyAll(policy));
          } catch (IOException e) {
              log.error("fail to save policy", e);
          }
      }
  
      public Property applyAll(ContinuousProfilingPolicy policy) {
          return Property.create(GROUP, ContinuousProfilingPolicy.INDEX_NAME, policy.id().build())
              .addTag(TagAndValue.newStringTag(ContinuousProfilingPolicy.UUID, policy.getUuid()))
              .addTag(TagAndValue.newStringTag(ContinuousProfilingPolicy.CONFIGURATION_JSON, policy.getConfigurationJson()))
              .build();
      }
  
      @Override
      public List<ContinuousProfilingPolicy> queryPolicies(List<String> serviceIdList) throws IOException {
          return serviceIdList.stream().map(s -> {
              try {
                  return getClient().queryProperty(GROUP, ContinuousProfilingPolicy.INDEX_NAME, s);
              } catch (IOException e) {
                  log.warn("query policy error", e);
                  return null;
              }
          }).filter(Objects::nonNull).map(properties -> {
              final ContinuousProfilingPolicy policy = new ContinuousProfilingPolicy();
              policy.setServiceId(properties.id());
              for (TagAndValue<?> tag : properties.tags()) {
                  if (tag.getTagName().equals(ContinuousProfilingPolicy.CONFIGURATION_JSON)) {
                      policy.setConfigurationJson((String) tag.getValue());
                  } else if (tag.getTagName().equals(ContinuousProfilingPolicy.UUID)) {
                      policy.setUuid((String) tag.getValue());
                  }
              }
              return policy;
          }).collect(Collectors.toList());
      }
  
  }