Package org.apache.graphar.writers.builder

Interface Edge

  • All Superinterfaces:
    com.alibaba.fastffi.CXXPointer, com.alibaba.fastffi.FFIPointer, com.alibaba.fastffi.FFIType
    public interface Edge
extends com.alibaba.fastffi.CXXPointer
    Edge is designed for constructing edges builder.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Interface Description
      static interface  Edge.Factory  

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void addProperty​(StdString name, long val)
      Add a property to the edge.
      void addProperty​(StdString name, StdString val)
      Add a property to the edge.
      @com.alibaba.fastffi.FFINameAlias("ContainProperty") boolean containProperty​(StdString property)
      Check if the edge contains a property.
      @com.alibaba.fastffi.FFINameAlias("Empty") boolean empty()
      Check if the edge is empty.
      @com.alibaba.fastffi.FFINameAlias("GetDestination"),@com.alibaba.fastffi.FFITypeAlias("graphar::IdType") long getDestination()
      Get destination id of the edge.
      <T> StdUnorderedMap<StdString,​T> getProperties()
      Get all properties of the edge.
      <T> T getProperty​(StdString property)
      Get a property of the edge.
      @com.alibaba.fastffi.FFINameAlias("GetSource"),@com.alibaba.fastffi.FFITypeAlias("graphar::IdType") long getSource()
      Get source id of the edge.

      • Methods inherited from interface com.alibaba.fastffi.CXXPointer

        delete

      • Methods inherited from interface com.alibaba.fastffi.FFIPointer

        getAddress

    • Method Detail

      • empty

        @com.alibaba.fastffi.FFINameAlias("Empty") boolean empty()
        Check if the edge is empty.
        Returns:
        true/false.

      • getSource

        @com.alibaba.fastffi.FFINameAlias("GetSource"),@com.alibaba.fastffi.FFITypeAlias("graphar::IdType") long getSource()
        Get source id of the edge.
        Returns:
        The id of the source vertex.

      • getDestination

        @com.alibaba.fastffi.FFINameAlias("GetDestination"),@com.alibaba.fastffi.FFITypeAlias("graphar::IdType") long getDestination()
        Get destination id of the edge.
        Returns:
        The id of the destination vertex.

      • addProperty

        void addProperty​(StdString name,
                 StdString val)
        Add a property to the edge.
        Parameters:
        name - The name of the property.
        val - The value of the property.

      • addProperty

        void addProperty​(StdString name,
                 long val)
        Add a property to the edge.
        Parameters:
        name - The name of the property.
        val - The value of the property.

      • getProperty

        <T> T getProperty​(StdString property)
        Get a property of the edge.
        Parameters:
        property - The name of the property.
        Returns:
        The value of the property.

      • getProperties

        <T> StdUnorderedMap<StdString,​T> getProperties()
        Get all properties of the edge.
        Returns:
        The map containing all properties of the edge.

      • containProperty

        @com.alibaba.fastffi.FFINameAlias("ContainProperty") boolean containProperty​(StdString property)
        Check if the edge contains a property.
        Parameters:
        property - The name of the property.
        Returns:
        true/false.