public Iterator<VehicleType> restore(VehicleType vehicleType) throws RARException {
// String selectClubSql = "select id, name, address, established, founderid from club";
String selectVTSql =
"select vt.vehicleTypeId, vt.typeName " + " from VehicleType vt where 1=1 ";
Statement stmt = null;
StringBuffer query = new StringBuffer(100);
StringBuffer condition = new StringBuffer(100);
condition.setLength(0);
// form the query based on the given Club object instance
query.append(selectVTSql);
if (vehicleType != null) {
if (vehicleType.getId() >= 0) // id is unique, so it is sufficient to get a VehicleType
query.append(" and vehicleTypeId = " + vehicleType.getId());
else if (vehicleType.getType()
!= null) // Type is unique, so it is sufficient to get a VehicleType
query.append(" and typeName = '" + vehicleType.getType() + "'");
else {
/*
if( club.getAddress() != null )
condition.append( " and address = '" + club.getAddress() + "'" );
if( club.getEstablishedOn() != null ) {
if( condition.length() > 0 )
condition.append( " and" );
condition.append( " established = '" + club.getEstablishedOn() + "'" );
}
// This was already commented out
//if( condition.length() > 0 ) {
// query.append( " where " );
// query.append( condition );
//}
*/
}
}
try {
stmt = conn.createStatement();
// retrieve the persistent VehicleType object
//
if (stmt.execute(query.toString())) { // statement returned a result
ResultSet r = stmt.getResultSet();
return new VehicleTypeIterator(r, objectLayer);
}
} catch (Exception e) { // just in case...
throw new RARException(
"VehicleTypeManager.restore: Could not restore persistent VehicleType object; Root cause: "
+ e);
}
throw new RARException(
"VehicleTypeManager.restore: Could not restore persistent VehicleType object");
}
public Iterator<Vehicle> restoreVehicleVehicleType(VehicleType vehicleType) throws RARException {
String selectPersonSql =
"select v.registrationTag, v.lastService, v.make, v.mileage, v.model, v.rentalLocation, v.status, v.vehicleType, "
+ " v.vehicleYear, v.vehicleCondition, v.vehicleID"
+ " vt.typeName, vt.vehicleTypeId from Vehicle v, VehicleType vt where v.vehicleID = vt.vehicleTypeId";
Statement stmt = null;
StringBuffer query = new StringBuffer(100);
StringBuffer condition = new StringBuffer(100);
condition.setLength(0);
// form the query based on the given Person object instance
query.append(selectPersonSql);
if (vehicleType != null) {
if (vehicleType.getId() >= 0) // id is unique, so it is sufficient to get a
query.append(" and vt.vehicleTypeId = " + vehicleType.getId());
// else if( vehicleType.getType() != null ) // userName is unique, so it is sufficient to get
// a
// query.append( " and vt.vehicleType = '" + vehicleType.getType() + "'" );
else {
if (vehicleType.getType() != null)
condition.append(" and vt.vehicleType = '" + vehicleType.getType() + "'");
if (condition.length() > 0) {
query.append(condition);
}
}
}
try {
stmt = conn.createStatement();
// retrieve the persistent Person object
//
if (stmt.execute(query.toString())) { // statement returned a result
ResultSet r = stmt.getResultSet();
return new VehicleIterator(r, objectLayer);
}
} catch (Exception e) { // just in case...
throw new RARException(
"VehicleManager.restoreReservationVehicleType: Could not restore persistent Vehicle object; Root cause: "
+ e);
}
// if we reach this point, it's an error
throw new RARException(
"VehicleManager.restoreReservationVehicleType: Could not restore persistent Vehicle object");
}
public void delete(VehicleType vehicleType) throws RARException {
String deleteVTSql = "delete from VehicleType where vehicleTypeId = ?";
PreparedStatement stmt = null;
int inscnt;
if (!vehicleType
.isPersistent()) // is the VehicleType object persistent? If not, nothing to actually
// delete
return;
try {
stmt = (PreparedStatement) conn.prepareStatement(deleteVTSql);
stmt.setLong(1, vehicleType.getId());
inscnt = stmt.executeUpdate();
if (inscnt == 1) {
return;
} else throw new RARException("VehicleTypeManager.delete: failed to delete a VehcleType");
} catch (SQLException e) {
e.printStackTrace();
throw new RARException("VehicleTypeManager.delete: failed to delete a VehicleType: " + e);
}
}
public void save(VehicleType vehicleType) throws RARException {
String insertVTSql = "insert into VehicleType ( typeName ) values ( ? )";
String updateVTSql = "update VehicleTye set typeName = ? where id = ?";
PreparedStatement stmt = null;
int inscnt;
long VTId;
/*
if( club.getFounderId() == -1 )
throw new ClubsException( "ClubManager.save: Attempting to save a Club without a founder" );
*/
try {
if (!vehicleType.isPersistent())
stmt = (PreparedStatement) conn.prepareStatement(insertVTSql);
else stmt = (PreparedStatement) conn.prepareStatement(updateVTSql);
if (vehicleType.getType() != null) // type is unique and non null
// This is me setting the value in col typeName in table VehicleType to the provided value
stmt.setString(1, vehicleType.getType());
else
throw new RARException("VehicleTypeManager.save: can't save a VehicleType: name undefined");
/*
* This is an example for when there are more parameters to deal with
if( club.getAddress() != null )
stmt.setString( 2, club.getAddress() );
else
stmt.setNull( 2, java.sql.Types.VARCHAR );
if( club.getEstablishedOn() != null ) {
java.util.Date jDate = club.getEstablishedOn();
java.sql.Date sDate = new java.sql.Date( jDate.getTime() );
stmt.setDate( 3, sDate );
}
else
stmt.setNull(3, java.sql.Types.DATE);
if( club.getFounder() != null && club.getFounder().isPersistent() )
stmt.setLong( 4, club.getFounder().getId() );
else
throw new ClubsException( "ClubManager.save: can't save a Club: founder is not set or not persistent" );
*/
if (vehicleType.isPersistent()) stmt.setLong(2, vehicleType.getId());
inscnt = stmt.executeUpdate();
if (!vehicleType.isPersistent()) {
if (inscnt >= 1) {
String sql = "select last_insert_id()";
if (stmt.execute(sql)) { // statement returned a result
// retrieve the result
ResultSet r = stmt.getResultSet();
// we will use only the first row!
//
while (r.next()) {
// retrieve the last insert auto_increment value
VTId = r.getLong(1);
if (VTId > 0) vehicleType.setId(VTId); // set this vehicleType's db id (proxy object)
}
}
} else throw new RARException("VehicleTypeManager.save: failed to save a VehicleType");
} else {
if (inscnt < 1)
throw new RARException("VehicleTypeManager.save: failed to save a VehicleType");
}
} catch (SQLException e) {
e.printStackTrace();
throw new RARException("VehicleTypeManager.save: failed to save a VehicleType: " + e);
}
}
