Package org.hibernate.internal

Class ScrollableResultsImpl<R>

java.lang.Object
org.hibernate.internal.AbstractScrollableResults<R>
org.hibernate.internal.ScrollableResultsImpl<R>
All Implemented Interfaces:
AutoCloseable, ScrollableResultsImplementor<R>, ScrollableResults<R>
public class ScrollableResultsImpl<R> extends AbstractScrollableResults<R>
Standard ScrollableResults implementation.

  • Constructor Details

  • Method Details

    • getCurrentRow

      protected R getCurrentRow()
      Specified by:
      getCurrentRow in class AbstractScrollableResults<R>

    • next

      public boolean next()
      Description copied from interface: ScrollableResults
      Advance to the next result.
      Returns:
      true if there is another result

    • previous

      public boolean previous()
      Description copied from interface: ScrollableResults
      Retreat to the previous result.
      Returns:
      true if there is a previous result

    • scroll

      public boolean scroll(int i)
      Description copied from interface: ScrollableResults
      Scroll the specified number of positions from the current position.
      Parameters:
      i - a positive (forward) or negative (backward) number of positions
      Returns:
      true if there is a result at the new location

    • position

      public boolean position(int position)
      Description copied from interface: ScrollableResults
      Moves the result cursor to the specified position. The index may be a positive value, and the position may be reached by counting forward from the first result at position 1, or it may be a negative value, so that the position may be reached by counting backward from the last result at position -1.
      Parameters:
      position - an absolute positive (from the start) or negative (from the end) position within the query results
      Returns:
      true if there is a result at the new location

    • first

      public boolean first()
      Description copied from interface: ScrollableResults
      Go to the first result.
      Returns:
      true if there are any results

    • last

      public boolean last()
      Description copied from interface: ScrollableResults
      Go to the last result.
      Returns:
      true if there are any results

    • afterLast

      public void afterLast()
      Description copied from interface: ScrollableResults
      Go to a location just after the last result.

    • beforeFirst

      public void beforeFirst()
      Description copied from interface: ScrollableResults
      Go to a location just before first result.

      This is the location of the cursor on a newly returned scrollable result.

    • isFirst

      public boolean isFirst()
      Description copied from interface: ScrollableResults
      Is this the first result?
      Returns:
      true if this is the first row of results, otherwise false

    • isLast

      public boolean isLast()
      Description copied from interface: ScrollableResults
      Is this the last result?
      Returns:
      true if this is the last row of results.

    • getRowNumber

      public int getRowNumber()
      Description copied from interface: ScrollableResults
      Get the current position in the results, with the first position labelled as row number 0. That is, this operation returns position-1.
      Returns:
      The current position number, numbered from 0; -1 indicates that there is no current row

    • getPosition

      public int getPosition()
      Description copied from interface: ScrollableResults
      The current position within the query results. The first query result, if any, is at position 1. An empty or newly-created instance has position 0.
      Returns:
      the current position, a positive integer index starting at 1, or 0 if this instance is empty or newly-created

    • setRowNumber

      public boolean setRowNumber(int rowNumber)
      Description copied from interface: ScrollableResults
      Set the current position in the result set, with the first position labelled as row number 1, and the last position labelled as row number -1. Results may be numbered from the first result (using a positive position) or backward from the last result (using a negative position).
      Parameters:
      rowNumber - the row number. A positive number indicates a value numbered from the first row; a negative number indicates a value numbered from the last row.
      Returns:
      true if there is a row at that row number