Class DiscardRowStore

    • Constructor Summary

      Constructors 
      Constructor Description
      DiscardRowStore()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void acceptMetadata​(StarTable meta)
      Takes delivery of a row-less StarTable object which defines the metadata of the table to be transmitted.
      void acceptRow​(java.lang.Object[] row)
      Takes delivery of one row of data.
      void endRows()
      Signals that there are no more rows to be transmitted.
      StarTable getStarTable()
      Obtains a StarTable which contains the data and metadata that have been written into this sink.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • DiscardRowStore

        public DiscardRowStore()
    • Method Detail

      • acceptMetadata

        public void acceptMetadata​(StarTable meta)
        Description copied from interface: TableSink
        Takes delivery of a row-less StarTable object which defines the metadata of the table to be transmitted. If the number of rows that will be transmitted via subsequent calls to acceptRow is known, this value should be made available as the row count of meta (StarTable.getRowCount()); if it is not known, the row count should be -1. However, this object should not attempt to read any of meta's cell data.

        The data to be transmitted in subsequent calls of acceptRow must match the metadata transmitted in this call in the same way that rows of a StarTable must match its own metadata (number and content clases of columns etc). If this sink cannot dispose of a table corresponding to meta then it may throw a TableFormatException - this may be the case if for instance meta has columns with types that this sink can't deal with.

        Specified by:
        acceptMetadata in interface TableSink
        Parameters:
        meta - table metadata object
      • acceptRow

        public void acceptRow​(java.lang.Object[] row)
        Description copied from interface: TableSink
        Takes delivery of one row of data. row is an array of objects comprising the contents of one row of the table being transmitted. The number and classes of the elements of row are described by the metadata object previously accepted.
        Specified by:
        acceptRow in interface TableSink
        Parameters:
        row - table data row
      • endRows

        public void endRows()
        Description copied from interface: TableSink
        Signals that there are no more rows to be transmitted.
        Specified by:
        endRows in interface TableSink
      • getStarTable

        public StarTable getStarTable()
        Description copied from interface: RowStore
        Obtains a StarTable which contains the data and metadata that have been written into this sink. In general it is only legal to call this method following a call to TableSink.endRows(); failing to observe this sequence may earn you an IllegalStateException
        Specified by:
        getStarTable in interface RowStore
        Returns:
        a random-access StarTable containing the written rows