Package org.h2.index

Class SingleRowCursor

  • All Implemented Interfaces:
    Cursor

    public class SingleRowCursor
    extends java.lang.Object
    implements Cursor
    A cursor with at most one row.
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private boolean end  
      private Row row  
    • Constructor Summary

      Constructors 
      Constructor Description
      SingleRowCursor​(Row row)
      Create a new cursor.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Row get()
      Get the complete current row.
      SearchRow getSearchRow()
      Get the current row.
      boolean next()
      Skip to the next row if one is available.
      boolean previous()
      Skip to the previous row if one is available.
      • Methods inherited from class java.lang.Object

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

      • row

        private Row row
      • end

        private boolean end
    • Constructor Detail

      • SingleRowCursor

        public SingleRowCursor​(Row row)
        Create a new cursor.
        Parameters:
        row - - the single row (if null then cursor is empty)
    • Method Detail

      • get

        public Row get()
        Description copied from interface: Cursor
        Get the complete current row. All column are available.
        Specified by:
        get in interface Cursor
        Returns:
        the complete row
      • getSearchRow

        public SearchRow getSearchRow()
        Description copied from interface: Cursor
        Get the current row. Only the data for indexed columns is available in this row.
        Specified by:
        getSearchRow in interface Cursor
        Returns:
        the search row
      • next

        public boolean next()
        Description copied from interface: Cursor
        Skip to the next row if one is available.
        Specified by:
        next in interface Cursor
        Returns:
        true if another row is available
      • previous

        public boolean previous()
        Description copied from interface: Cursor
        Skip to the previous row if one is available. No filtering is made here.
        Specified by:
        previous in interface Cursor
        Returns:
        true if another row is available