content: /*
   * Copyright 2022 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.ds.adaptor;
  
  import com.alibaba.graphscope.ds.GrapeNbr;
  import com.alibaba.graphscope.ds.Vertex;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class GrapeNbrAdaptor<VID_T, EDATA_T> implements Nbr<VID_T, EDATA_T> {
      private static Logger logger = LoggerFactory.getLogger(GrapeNbrAdaptor.class.getName());
      public static final String TYPE = "GrapeNbr";
      private GrapeNbr<VID_T, EDATA_T> nbr;
  
      @Override
      public String type() {
          return TYPE;
      }
  
      public GrapeNbrAdaptor(GrapeNbr<VID_T, EDATA_T> n) {
          nbr = n;
      }
  
      public void setAddress(long address) {
          nbr.setAddress(address);
      }
  
      public long getAddress() {
          return nbr.getAddress();
      }
  
      /**
       * Get the underlying grape nbr.
       *
       * @return the underlying grape nbr.
       */
      public GrapeNbr<VID_T, EDATA_T> getGrapeNbr() {
          return nbr;
      }
  
      @Override
      public Vertex<VID_T> neighbor() {
          return nbr.neighbor();
      }
  
      @Override
      public EDATA_T data() {
          return (EDATA_T) nbr.data();
      }
  
      @Override
      public Nbr<VID_T, EDATA_T> inc() {
          logger.error("No implementation for inc in grapeNbr");
          return null;
      }
  
      @Override
      public boolean eq(Nbr<VID_T, EDATA_T> rhs) {
          logger.error("No implementation for eq in grapeNbr");
          return false;
      }
  
      @Override
      public Nbr<VID_T, EDATA_T> dec() {
          logger.error("No implementation for dec in grapeNbr");
          return null;
      }
  }
  