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Class tc.database.ConnectionTestQuery 

java.lang.Object
   |
   +----tc.database.DatabaseQuery
           |
           +----tc.database.ConnectionTestQuery
public class ConnectionTestQuery
extends DatabaseQuery
ConnectionTestQuery implements the abstract methods in DatabaseQuery so that calling them causes a simple check query to be executed for the database.

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

Constructor Index

o ConnectionTestQuery()

Method Index

o calculate(QueryDataSet)
Do nothing: no actual calculation is needed.
o getSQLClause()
Returns the SQL query for creating the needed dataset.
o isWriteQuery()
Returns false.

Constructors

o ConnectionTestQuery 
 public ConnectionTestQuery()

Methods

o calculate 
 public void calculate(QueryDataSet dataset) throws DataSetException, ValidationException
Do nothing: no actual calculation is needed.

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 false.

Returns:
false
Overrides:
isWriteQuery in class DatabaseQuery 
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