Package org.apache.druid.segment.realtime.plumber

Interface Plumber

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static org.apache.druid.segment.incremental.IncrementalIndexAddResult DUPLICATE  
      static org.apache.druid.segment.incremental.IncrementalIndexAddResult NOT_WRITABLE  
      static org.apache.druid.segment.incremental.IncrementalIndexAddResult THROWAWAY  

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      org.apache.druid.segment.incremental.IncrementalIndexAddResult add​(org.apache.druid.data.input.InputRow row, com.google.common.base.Supplier<org.apache.druid.data.input.Committer> committerSupplier)  
      void finishJob()
      Perform any final processing and clean up after ourselves.
      <T> org.apache.druid.query.QueryRunner<T> getQueryRunner​(org.apache.druid.query.Query<T> query)  
      void persist​(org.apache.druid.data.input.Committer committer)
      Persist any in-memory indexed data to durable storage.
      Object startJob()
      Perform any initial setup.

    • Field Detail

      • THROWAWAY

        static final org.apache.druid.segment.incremental.IncrementalIndexAddResult THROWAWAY

      • NOT_WRITABLE

        static final org.apache.druid.segment.incremental.IncrementalIndexAddResult NOT_WRITABLE

      • DUPLICATE

        static final org.apache.druid.segment.incremental.IncrementalIndexAddResult DUPLICATE

    • Method Detail

      • startJob

        Object startJob()
        Perform any initial setup. Should be called before using any other methods, and should be paired with a corresponding call to finishJob().
        Returns:
        the metadata of the "newest" segment that might have previously been persisted

      • add

        org.apache.druid.segment.incremental.IncrementalIndexAddResult add​(org.apache.druid.data.input.InputRow row,
                                                                   com.google.common.base.Supplier<org.apache.druid.data.input.Committer> committerSupplier)
                                                            throws org.apache.druid.segment.incremental.IndexSizeExceededException
        Parameters:
        row - the row to insert
        committerSupplier - supplier of a committer associated with all data that has been added, including this row
        Returns:
        IncrementalIndexAddResult whose rowCount - positive numbers indicate how many summarized rows exist in the index for that timestamp, -1 means a row was thrown away because it was too late -2 means a row was thrown away because it is duplicate
        Throws:
        org.apache.druid.segment.incremental.IndexSizeExceededException

      • getQueryRunner

        <T> org.apache.druid.query.QueryRunner<T> getQueryRunner​(org.apache.druid.query.Query<T> query)

      • persist

        void persist​(org.apache.druid.data.input.Committer committer)
        Persist any in-memory indexed data to durable storage. This may be only somewhat durable, e.g. the machine's local disk.
        Parameters:
        committer - committer to use after persisting data

      • finishJob

        void finishJob()
        Perform any final processing and clean up after ourselves. Should be called after all data has been fed into sinks and persisted.