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.parallel.message;
  
  import static com.alibaba.graphscope.utils.CppClassName.GS_PRIMITIVE_MESSAGE;
  import static com.alibaba.graphscope.utils.CppHeaderName.CORE_JAVA_JAVA_MESSAGES_H;
  
  import com.alibaba.fastffi.CXXHead;
  import com.alibaba.fastffi.FFIFactory;
  import com.alibaba.fastffi.FFIGen;
  import com.alibaba.fastffi.FFIPointer;
  import com.alibaba.fastffi.FFITypeAlias;
  
  @FFIGen
  @CXXHead(CORE_JAVA_JAVA_MESSAGES_H)
  @FFITypeAlias(GS_PRIMITIVE_MESSAGE)
  public interface PrimitiveMessage<T> extends FFIPointer {
      T getData();
  
      void setData(T val);
  
      @FFIFactory
      interface Factory<T> {
          /**
           * Create an uninitialized DoubleMsg.
           *
           * @return msg instance.
           */
          PrimitiveMessage<T> create();
  
          /**
           * Create a DoubleMsg with initial value.
           *
           * @param inData element type
           * @return msg instance.
           */
          PrimitiveMessage<T> create(T inData);
      }
  }
  