Class SingleRowSubset

java.lang.Object
uk.ac.starlink.topcat.RowSubset
uk.ac.starlink.topcat.SingleRowSubset
public class SingleRowSubset extends RowSubset
RowSubset implementation that includes a maximum of one row index. The getMaskId() return value depends on the state, not the identity.
Since:
26 Aug 2022
Author:
Mark Taylor

  • Constructor Details

    • SingleRowSubset

      public SingleRowSubset(String name)
      Constructor.
      Parameters:
      name - subset name

  • Method Details

    • setRowIndex

      public void setRowIndex(long lrow)
      Sets the included row index.
      Parameters:
      lrow - index of single included row, or -1 for no rows

    • getRowIndex

      public long getRowIndex()
      Returns the included row index.
      Returns:
      index of single included row, or -1 for no rows

    • isIncluded

      public boolean isIncluded(long lrow)
      Description copied from class: RowSubset
      Indicates whether a given row is in the subset or not.
      Specified by:
      isIncluded in class RowSubset
      Parameters:
      lrow - the index of the row in question
      Returns:
      true iff row lrow is to be included

    • getMaskId

      public String getMaskId()
      Returns a value dependent on the selected row.
      Overrides:
      getMaskId in class RowSubset
      Returns:
      mask content identifier