Class SetSELCAL

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.SetSELCAL

public class SetSELCAL
extends DAO

A Data Access Object to write aircraft SELCAL data.

Since:

1.0

Version:

9.0

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
SetSELCAL(Connection c)	Initializes the Data Access Object.

Method Summary

Modifier and Type	Method	Description
void	delete(String code)	Deletes an aircraft SELCAL code from the database.
int	free(int days)	Frees aircraft SELCAL codes reserved for a set interval.
void	free(String code)	Releases an aircraft SELCAL code reservation.
void	reserve(String code, int pilotID)	Reserves an aircraft SELCAL code for a particular Pilot.
void	write(SelectCall sc)	Adds or updates an aircraft SELCAL code.

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

SetSELCAL

public SetSELCAL(Connection c)

Initializes the Data Access Object.

Parameters:

c - the JDBC connection to use

Method Details

write

public void write(SelectCall sc)
           throws DAOException

Adds or updates an aircraft SELCAL code.

Parameters:

sc - the SelectCall bean

Throws:

DAOException - if a JDBC error occurs

reserve

public void reserve(String code,
 int pilotID)
             throws DAOException

Reserves an aircraft SELCAL code for a particular Pilot.

Parameters:

code - the SELCAL code

pilotID - the database ID of the Pilot

Throws:

DAOException - if a JDBC error occurs

free

public void free(String code)
          throws DAOException

Releases an aircraft SELCAL code reservation.

Parameters:

code - the SELCAL code

Throws:

DAOException - if a JDBC error occurs

delete

public void delete(String code)
            throws DAOException

Deletes an aircraft SELCAL code from the database.

Parameters:

code - the SELCAL code

Throws:

DAOException - if a JDBC error occurs

NullPointerException - if code is null

free

public int free(int days)
         throws DAOException

Frees aircraft SELCAL codes reserved for a set interval.

Parameters:

days - the interval in days

Returns:

the number of codes freed up

Throws:

DAOException - if a JDBC error occurs