content: /*
   * Copyright 2020 Alibaba Group Holding Limited.
   *
   * 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.
   */
  
  package com.alibaba.graphscope.gremlin.transform.alias;
  
  import com.alibaba.graphscope.common.intermediate.ArgUtils;
  import com.alibaba.graphscope.common.jna.type.FfiAlias;
  
  public class AliasManager {
      public static FfiAlias.ByValue getFfiAlias(AliasArg prefix) {
          int stepIdx = prefix.getStepIdx();
          int subTraversalId = prefix.getSubTraversalIdx();
          String alias = prefix.getPrefix() + "_" + stepIdx + "_" + subTraversalId;
          return ArgUtils.asAlias(alias, false);
      }
  
      public static String getAliasName(AliasArg prefix) {
          int stepIdx = prefix.getStepIdx();
          int subTraversalId = prefix.getSubTraversalIdx();
          return prefix.getPrefix() + "_" + stepIdx + "_" + subTraversalId;
      }
  
      // prefix is as the gremlin result key which is used to display
      public static String getPrefix(String aliasName) {
          String[] splits = aliasName.split("_");
          return (splits.length == 0) ? "" : splits[0];
      }
  
      public static boolean isGroupKeysPrefix(String aliasName) {
          return aliasName.startsWith(AliasArg.GROUP_KEYS);
      }
  
      public static boolean isGroupValuesPrefix(String aliasName) {
          return aliasName.startsWith(AliasArg.GROUP_VALUES);
      }
  }
  