Package org.apache.openjpa.jdbc.meta

Interface MappingInfo.ForeignKeyDefaults

  • Enclosing class:
    MappingInfo
    public static interface MappingInfo.ForeignKeyDefaults
    Supplies default foreign key information.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      ForeignKey get​(Table local, Table foreign, boolean inverse)
      Return a default foreign key for the given tables, or null to create a logical foreign key only.
      void populate​(Table local, Table foreign, Column col, java.lang.Object target, boolean inverse, int pos, int cols)
      Populate the given foreign key column with defaults.

    • Method Detail

      • get

        ForeignKey get​(Table local,
               Table foreign,
               boolean inverse)
        Return a default foreign key for the given tables, or null to create a logical foreign key only. Do not fill in the columns of the foreign key, only attributes like its name, delete action, etc. Do not add the foreign key to the table.

      • populate

        void populate​(Table local,
              Table foreign,
              Column col,
              java.lang.Object target,
              boolean inverse,
              int pos,
              int cols)
        Populate the given foreign key column with defaults.
        Parameters:
        target - the target column or constant value
        pos - the index of this column in the foreign key
        cols - the number of columns in the foreign key