content: /*
   * Copyright 2021 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.fragment;
  
  import static com.alibaba.graphscope.utils.CppClassName.CPP_ARROW_PROJECTED_FRAGMENT;
  import static com.alibaba.graphscope.utils.CppHeaderName.ARROW_PROJECTED_FRAGMENT_H;
  import static com.alibaba.graphscope.utils.CppHeaderName.CORE_JAVA_TYPE_ALIAS_H;
  
  import com.alibaba.fastffi.CXXHead;
  import com.alibaba.fastffi.CXXReference;
  import com.alibaba.fastffi.CXXValue;
  import com.alibaba.fastffi.FFIGen;
  import com.alibaba.fastffi.FFINameAlias;
  import com.alibaba.fastffi.FFITypeAlias;
  import com.alibaba.graphscope.ds.BaseTypedArray;
  import com.alibaba.graphscope.ds.ProjectedAdjList;
  import com.alibaba.graphscope.ds.Vertex;
  
  /**
   * Java wrapper for <a href=
   * "https://github.com/alibaba/GraphScope/blob/main/analytical_engine/core/fragment/arrow_projected_fragment.h#L338">ArrowProjectedFragment</a>
   *
   * @param <OID_T> original id type
   * @param <VID_T> vertex id type
   * @param <VDATA_T> vertex data type
   * @param <EDATA_T> edge data type
   */
  @FFIGen
  @CXXHead(ARROW_PROJECTED_FRAGMENT_H)
  @CXXHead(CORE_JAVA_TYPE_ALIAS_H)
  @CXXHead(system = "stdint.h")
  @FFITypeAlias(CPP_ARROW_PROJECTED_FRAGMENT)
  public interface ArrowProjectedFragment<OID_T, VID_T, VDATA_T, EDATA_T>
          extends BaseArrowProjectedFragment<OID_T, VID_T, VDATA_T, EDATA_T> {
  
      @FFINameAlias("GetIncomingAdjList")
      @CXXValue
      ProjectedAdjList<VID_T, EDATA_T> getIncomingAdjList(@CXXReference Vertex<VID_T> vertex);
  
      @FFINameAlias("GetOutgoingAdjList")
      @CXXValue
      ProjectedAdjList<VID_T, EDATA_T> getOutgoingAdjList(@CXXReference Vertex<VID_T> vertex);
  
      @FFINameAlias("get_edata_array_accessor")
      @CXXReference
      BaseTypedArray<EDATA_T> getEdataArrayAccessor();
  
      @FFINameAlias("get_vdata_array_accessor")
      @CXXReference
      BaseTypedArray<VDATA_T> getVdataArrayAccessor();
  }
  