content: /*
   * 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.bifromq.basekv.metaservice;
  
  import com.google.protobuf.ByteString;
  import lombok.SneakyThrows;
  import org.apache.bifromq.basecrdt.core.api.CRDTURI;
  import org.apache.bifromq.basecrdt.core.api.CausalCRDTType;
  import org.apache.bifromq.basekv.proto.StoreKey;
  
  class CRDTUtil {
      private static final String PREFIX_BALANCER_STATE = "balancerState-";
      private static final String PREFIX_BALANCER_STATE_PROPOSAL = "balancerState-proposal-";
      private static final String PREFIX_LOAD_RULES = "loadRules-";
      private static final String PREFIX_LOAD_RULES_PROPOSAL = "loadRules-proposal-";
      private static final String PREFIX_LANDSCAPE = "landscape-";
  
      @SneakyThrows
      static StoreKey parseDescriptorKey(ByteString key) {
          return StoreKey.parseFrom(key);
      }
  
  
      static String toBalancerStateURI(String clusterId) {
          return CRDTURI.toURI(CausalCRDTType.ormap, PREFIX_BALANCER_STATE + clusterId);
      }
  
      static String toBalancerStateProposalURI(String clusterId) {
          return CRDTURI.toURI(CausalCRDTType.ormap, PREFIX_BALANCER_STATE_PROPOSAL + clusterId);
      }
  
      static String toLoadRulesURI(String clusterId) {
          return CRDTURI.toURI(CausalCRDTType.ormap, PREFIX_LOAD_RULES + clusterId);
      }
  
      static String toLoadRulesProposalURI(String clusterId) {
          return CRDTURI.toURI(CausalCRDTType.ormap, PREFIX_LOAD_RULES_PROPOSAL + clusterId);
      }
  
      static String toLandscapeURI(String clusterId) {
          return CRDTURI.toURI(CausalCRDTType.ormap, PREFIX_LANDSCAPE + clusterId);
      }
  
      static boolean isLandscapeURI(String crdtURI) {
          if (!CRDTURI.isValidURI(crdtURI)) {
              return false;
          }
          CausalCRDTType type = CRDTURI.parseType(crdtURI);
          String name = CRDTURI.parseName(crdtURI);
          return type == CausalCRDTType.ormap && name.startsWith(PREFIX_LANDSCAPE);
      }
  
      static String parseClusterId(String landscapeURI) {
          assert isLandscapeURI(landscapeURI);
          return CRDTURI.parseName(landscapeURI).substring(PREFIX_LANDSCAPE.length());
      }
  }
  