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.context.ffi;
  
  import static com.alibaba.graphscope.utils.CppClassName.LABELED_VERTEX_DATA_CONTEXT;
  
  import com.alibaba.fastffi.CXXHead;
  import com.alibaba.fastffi.CXXReference;
  import com.alibaba.fastffi.CXXValue;
  import com.alibaba.fastffi.FFIFactory;
  import com.alibaba.fastffi.FFIGen;
  import com.alibaba.fastffi.FFINameAlias;
  import com.alibaba.fastffi.FFIPointer;
  import com.alibaba.fastffi.FFITypeAlias;
  import com.alibaba.graphscope.ds.GSVertexArray;
  import com.alibaba.graphscope.ds.Vertex;
  import com.alibaba.graphscope.stdcxx.StdVector;
  import com.alibaba.graphscope.utils.CppClassName;
  import com.alibaba.graphscope.utils.CppHeaderName;
  
  @FFIGen
  @CXXHead(CppHeaderName.LABELED_VERTEX_DATA_CONTEXT_H)
  @CXXHead(CppHeaderName.ARROW_FRAGMENT_H)
  @CXXHead(CppHeaderName.CORE_JAVA_TYPE_ALIAS_H)
  @FFITypeAlias(LABELED_VERTEX_DATA_CONTEXT)
  public interface FFILabeledVertexDataContext<FRAG_T, DATA_T> extends FFIPointer {
      @FFINameAlias("GetValue")
      @CXXValue
      DATA_T getValue(
              @CXXReference @FFITypeAlias(CppClassName.GRAPE_VERTEX + "<uint64_t>")
                      Vertex<Long> vertex);
  
      @CXXReference
      StdVector<GSVertexArray<DATA_T>> data();
  
      @FFIFactory
      interface Factory<FRAG_T, DATA_T> {
          FFILabeledVertexDataContext<FRAG_T, DATA_T> create(
                  @CXXReference FRAG_T fragment, boolean includeOuter);
      }
  }
  