Class GetAggregateStatistics

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.GetAggregateStatistics

public class GetAggregateStatistics
extends DAO

A Data Access Object to read aggregated Flight Report statistics.

Since:

6.2

Version:

12.4

Author:

Luke

Field Summary

Fields inherited from class DAO

_queryMax, _queryStart, _queryTimeout, WGS84_SRID

Modifier and Type	Field	Description
protected int	_queryMax	The maximum number of rows to return.
protected int	_queryStart	The row number at which to start returning results.
protected int	_queryTimeout	The query timeout, in seconds.
protected static final int	WGS84_SRID	The SRID used for geolocation queries.

Constructor Summary

Constructors

Constructor	Description
GetAggregateStatistics(Connection c)	Initializes the Data Access Object.

Method Summary

Modifier and Type	Method	Description
Collection<FlightStatsEntry>	getAirportStatistics(FlightStatsSort s, int apType)	Retrieves aggregated approved Flight Report statistics.
List<RunwayLandingStats>	getChalleningRunways(int minLandings)	Returns the most challenging Runways, with the lowest average landing score.
Collection<OnlineStatsEntry>	getOnlineStatistics(FlightStatsSort srt, FlightStatsGroup grp)	Returns online network flight statstics by date.
Collection<FlightStatsEntry>	getPIREPStatistics(FlightStatsSort s, FlightStatsGroup grp)	Retrieves aggregated Flight Report statistics.
List<RunwayLandingStats>	getRunwayLandingStats(Airport a, String rw, String dbName)	Loads aggregate landing score statistics from the database.
Collection<FlightStatsEntry>	getSimStatistics(FlightStatsSort s, FlightStatsGroup grp)	Retrieves aggregated approved Flight Report statistics.

Methods inherited from class DAO

commitTransaction, createTimestamp, executeIDs, executeUpdate, executeUpdate, expandDate, formatDBName, formatLocation, getNewID, getQueryCount, prepare, prepareWithoutLimits, rollbackTransaction, setQueryMax, setQueryStart, setQueryTimeout, startTransaction, toID, toID, toInstant

Modifier and Type	Method	Description
protected void	commitTransaction()	Commits a multi-step transaction to the database.
protected static Timestamp	createTimestamp(Instant i)	Null-safe conversion of an Instant to a Timestamp.
protected static List<Integer>	executeIDs(PreparedStatement ps)	Helper method to extract database ID data from the result set.
protected static int	executeUpdate(PreparedStatement ps, int minUpdateCount)	Executes an UPDATE transaction on a prepared statement, and throws a SQLExceptionif less than the expected number of rows were updated.
protected static int	executeUpdate(PreparedStatement ps, int minPerUpdate, int minTotal)	Executes an batched UPDATE transaction on a prepared statement, and throws a SQLExceptionif less than the expected number of rows were updated per batch entry.
protected static Instant	expandDate(Date dt)	Converts a date-only JDBC value into a full timestamp.
protected static String	formatDBName(String db)	Formats a database name by converting to lowercase.
protected static String	formatLocation(GeoLocation loc)	Converts a geographic location into a MySQL WKT formatted point.
protected int	getNewID()	Returns the AUTO_INC column value generated by the previous JDBC transaction.
static final long	getQueryCount()	Returns the total number of queries executed since the JVM was started.
protected PreparedStatement	prepare(String sql)	Initialize the prepared statement with an arbitrary SQL statement.
protected PreparedStatement	prepareWithoutLimits(String sql)	Initialize the prepared statement with an abitrary SQL statement, without applying the DAO's query result limitations.
protected void	rollbackTransaction()	Rolls back a multi-step transaction before it is completed.
final void	setQueryMax(int maxRows)	Sets the maximum number of rows in the returned result set.
final void	setQueryStart(int rowStart)	Sets the first row of the results to return.
void	setQueryTimeout(int timeout)	Sets the timeout for any SQL operations.
protected void	startTransaction()	Marks the start of a multi-step database transaction.
protected static Integer	toID(Object o)	Converts a Database bean or an Integer into an Integer.
protected static Collection<Integer>	toID(Collection<?> ids)	Converts a collection of Objects into Integer IDs.
protected static Instant	toInstant(Timestamp dt)	Null-safe conversion of a Timestamp to an Instant.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GetAggregateStatistics

public GetAggregateStatistics(Connection c)

Initializes the Data Access Object.

Parameters:

c - the JDBC connection to use

Method Details

getSimStatistics

public Collection<FlightStatsEntry> getSimStatistics(FlightStatsSort s,
 FlightStatsGroup grp)
                                              throws DAOException

Retrieves aggregated approved Flight Report statistics.

Parameters:

s - the statistics sorting option

grp - the statistics grouping option

Returns:

a Collection of FlightStatsEntry beans

Throws:

DAOException - if a JDBC error occurs

getAirportStatistics

public Collection<FlightStatsEntry> getAirportStatistics(FlightStatsSort s,
 int apType)
                                                  throws DAOException

Retrieves aggregated approved Flight Report statistics.

Parameters:

s - the sorting option

apType - the airport type, 1 for departure and 2 for arrival, 0 for all

Returns:

a Collection of FlightStatsEntry beans

Throws:

DAOException - if a JDBC error occurs

getOnlineStatistics

public Collection<OnlineStatsEntry> getOnlineStatistics(FlightStatsSort srt,
 FlightStatsGroup grp)
                                                 throws DAOException

Returns online network flight statstics by date.

Parameters:

srt - the FlightStatsSort option

grp - the FlightStatsGroup option

Returns:

a Collection of OnlineStatsEntry beans

Throws:

DAOException - if a JDBC error occurs

getPIREPStatistics

public Collection<FlightStatsEntry> getPIREPStatistics(FlightStatsSort s,
 FlightStatsGroup grp)
                                                throws DAOException

Retrieves aggregated Flight Report statistics.

Parameters:

s - the statistics sorting option

grp - the statistics grouping option

Returns:

a Collection of FlightStatsEntry beans

Throws:

DAOException - if a JDBC error occurs

getRunwayLandingStats

public List<RunwayLandingStats> getRunwayLandingStats(Airport a,
 String rw,
 String dbName)
                                               throws DAOException

Loads aggregate landing score statistics from the database.

Parameters:

a - the Airport

rw - the Runway name

dbName - the database name

Returns:

a Collection of RunwayLandingStats beans

Throws:

DAOException - if a JDBC error occurs

getChalleningRunways

public List<RunwayLandingStats> getChalleningRunways(int minLandings)
                                              throws DAOException

Returns the most challenging Runways, with the lowest average landing score.

Parameters:

minLandings - the minimum number of landings

Returns:

a List of Tuples, with Airport and Runway name

Throws:

DAOException