content: /**
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * <p>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
   *
   * <p>http://www.apache.org/licenses/LICENSE-2.0
   *
   * <p>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 com.alibaba.graphscope.groot.common;
  
  import com.alibaba.graphscope.groot.common.exception.InvalidArgumentException;
  
  import java.util.HashMap;
  import java.util.Map;
  
  public enum RoleType {
      UNKNOWN("unknown"),
      FRONTEND("frontend"),
      STORE("store"),
      COORDINATOR("coordinator"),
      FRONTEND_SERVICE("frontend_service"),
      GAIA_ENGINE("gaia_engine"),
      GAIA_RPC("gaia_rpc");
  
      private final String name;
  
      RoleType(String name) {
          this.name = name;
      }
  
      public String getName() {
          return this.name;
      }
  
      private static final Map<String, RoleType> lookup = new HashMap<>();
  
      static {
          for (RoleType role : RoleType.values()) {
              lookup.put(role.getName(), role);
          }
      }
  
      public static RoleType fromName(String roleName) {
          RoleType roleType = lookup.get(roleName);
          if (roleType == null || roleType == RoleType.UNKNOWN) {
              throw new InvalidArgumentException("Unknown RoleType: [" + roleName + "]");
          }
          return roleType;
      }
  }
  