Class GetACARSData

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.GetACARSData

Direct Known Subclasses:

GetACARSLog, GetACARSPositions, GetACARSPurge, GetDispatchCalendar

public class GetACARSData
extends DAO

A Data Access Object to load ACARS information.

Since:

1.0

Version:

11.6

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
GetACARSData(Connection c)	Initializes the Data Access Object.

Method Summary

Modifier and Type	Method	Description
protected static List<ConnectionEntry>	executeConnectionInfo(PreparedStatement ps)	Helper method to parse Connection result sets.
protected static List<FlightInfo>	executeFlightInfo(PreparedStatement ps)	Helper method to parse Flight Info result sets.
ArchiveMetadata	getArchiveInfo(int flightID)	Retrieves position archive metadata about a flight.
ConnectionEntry	getConnection(long conID)	Returns information about a particular ACARS connection.
FlightInfo	getInfo(int flightID)	Returns information about a particular ACARS flight.
RunwayDistance	getLandingRunway(int flightID)	Returns landing runway distance for a particular flight.
String	getRoute(int flightID)	Returns the filed route for a particular ACARS flight.
List<ACARSRouteEntry>	getTakeoffLanding(int flightID)	Retrieves the takeoff and landing coordinates for a particular flight.
protected Map<TerminalRoute.Type, TerminalRoute>	getTerminalRoutes(int id)	Loads the Terminal Routes used on a particular ACARS flight.

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

GetACARSData

public GetACARSData(Connection c)

Initializes the Data Access Object.

Parameters:

c - the JDBC connection to use

Method Details

getArchiveInfo

public ArchiveMetadata getArchiveInfo(int flightID)
                               throws DAOException

Retrieves position archive metadata about a flight.

Parameters:

flightID - the flight ID

Returns:

an ArchiveMetadata bean, or null if not found

Throws:

DAOException - if a JDBC error occurs

getTakeoffLanding

public List<ACARSRouteEntry> getTakeoffLanding(int flightID)
                                        throws DAOException

Retrieves the takeoff and landing coordinates for a particular flight. More than two results may be returned, if the aircraft bounced on takeoff and/or landing.

Parameters:

flightID - the flight ID

Returns:

a List of RouteEntry beans, ordered by time

Throws:

DAOException - if a JDBC error occurs

getLandingRunway

public RunwayDistance getLandingRunway(int flightID)
                                throws DAOException

Returns landing runway distance for a particular flight.

Parameters:

flightID - the ACARS flight ID

Returns:

a RunwayDistance bean, or null if not found

Throws:

DAOException - if a JDBC error occurs

getRoute

public String getRoute(int flightID)
                throws DAOException

Returns the filed route for a particular ACARS flight.

Parameters:

flightID - the ACARS flight ID

Returns:

the filed route

Throws:

DAOException - if a JDBC error occurs

getInfo

public FlightInfo getInfo(int flightID)
                   throws DAOException

Returns information about a particular ACARS flight.

Parameters:

flightID - the ACARS flight ID

Returns:

the Flight Information, nor null if not found

Throws:

DAOException - if a JDBC error occurs

getConnection

public ConnectionEntry getConnection(long conID)
                              throws DAOException

Returns information about a particular ACARS connection.

Parameters:

conID - the ACARS connection ID

Returns:

the Connection information, or null if not found

Throws:

DAOException - if a JDBC error occurs

getTerminalRoutes

protected Map<TerminalRoute.Type, TerminalRoute> getTerminalRoutes(int id)
                                                            throws DAOException

Loads the Terminal Routes used on a particular ACARS flight.

Parameters:

id - the ACARS flight ID

Returns:

a Map of TerminalRoutes, keyed by route type

Throws:

DAOException - if a JDBC error occurs

executeFlightInfo

protected static List<FlightInfo> executeFlightInfo(PreparedStatement ps)
                                             throws SQLException

Helper method to parse Flight Info result sets.

Parameters:

ps - a PreparedStatement

Returns:

a List of FlightInfo beans

Throws:

SQLException - if an error occurs

executeConnectionInfo

protected static List<ConnectionEntry> executeConnectionInfo(PreparedStatement ps)
                                                      throws SQLException

Helper method to parse Connection result sets.

Parameters:

ps - a PreparedStatement

Returns:

a List of ConnectionEntry beans

Throws:

SQLException - if an error occurs