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Class tc.database.UpdateMarkersQuery 

java.lang.Object
   |
   +----tc.database.DatabaseQuery
           |
           +----tc.database.UpdateMarkersQuery
public class UpdateMarkersQuery
extends DatabaseQuery
UpdateMarkersQuery implements the abstract methods in DatabaseQuery so that calling them causes markers update.

Version:
0.30, 1998/04/01
Author:
FRED development team, Antti Viljamaa

Constructor Index

o UpdateMarkersQuery(Vector)
Creates a new query.

Method Index

o calculate(QueryDataSet)
Finalizes the query by updating the markers.
o getSQLClause()
Returns the SQL query for creating the needed dataset.
o isWriteQuery()
Returns true.
o updateMarkerRowInDataSet(QueryDataSet, int, int, int, int)
Updates a row in the 'Marker' table.

Constructors

o UpdateMarkersQuery 
 public UpdateMarkersQuery(Vector markers)
Creates a new query. The markers to be updated are given as a parameter.

Methods

o calculate 
 public void calculate(QueryDataSet dataset) throws DataSetException, InvalidMarkerException
Finalizes the query by updating the markers.

Overrides:
calculate in class DatabaseQuery
o getSQLClause 
 public String getSQLClause()
Returns the SQL query for creating the needed dataset.

Returns:
String A string representing the query.
Overrides:
getSQLClause in class DatabaseQuery
o isWriteQuery 
 public boolean isWriteQuery()
Returns true.

Returns:
true.
Overrides:
isWriteQuery in class DatabaseQuery
o updateMarkerRowInDataSet 
 private void updateMarkerRowInDataSet(QueryDataSet dataset,
                                       int markerID,
                                       int redColor,
                                       int greenColor,
                                       int blueColor) throws DataSetException, InvalidMarkerException
Updates a row in the 'Marker' table.

Parameters:
dataset - The dataset which represents the contents of the 'Marker' table.
markerID - The marker that is updated.
redColor - New red color value for the marker.
greenColor - New green color value for the marker.
blueColor - New blue color value for the marker. 
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