Class GetACARSBuilds

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.GetACARSBuilds

public class GetACARSBuilds
extends DAO

A Data Access Object to load ACARS build data.

Since:

4.1

Version:

10.0

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
GetACARSBuilds(Connection c)	Initializes the Data Access Object.

Method Summary

Modifier and Type	Method	Description
Collection<ClientBuildStats>	getBuildStatistics(int weeks)	Loads ACARS client build statistics by week.
ClientInfo	getLatestBeta(ClientVersion ver)	Returns the latest beta version for a particular ACARS build.
ClientInfo	getLatestBuild(ClientInfo info)	Returns the latest build for a particular ACARS version and client type.
ClientInfo	getLatestBuild(ClientInfo info, boolean isForced)	Returns the latest build for a particular ACARS version and client type.
boolean	isDispatchAvailable(ClientVersion inf)	Returns whether a particular ACARS build can request Dispatch service.
boolean	isValid(ClientInfo inf)	Returns whether a particular client/build/beta combination can connect to ACARS.
boolean	isValid(ClientInfo inf, AccessRole role)	Returns whether a particular client/build/beta combination can access ACARS.

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

GetACARSBuilds

public GetACARSBuilds(Connection c)

Initializes the Data Access Object.

Parameters:

c - the JDBC connection to use

Method Details

getLatestBeta

public ClientInfo getLatestBeta(ClientVersion ver)
                         throws DAOException

Returns the latest beta version for a particular ACARS build.

Parameters:

ver - the ClientVersion

Returns:

a ClientInfo bean, or null if none

Throws:

DAOException - if a JDBC error occurs

getLatestBuild

public ClientInfo getLatestBuild(ClientInfo info)
                          throws DAOException

Returns the latest build for a particular ACARS version and client type.

Parameters:

info - the ClientInfo

Returns:

a ClientInfo bean, or null if not found

Throws:

DAOException - if a JDBC error occurs

getLatestBuild

public ClientInfo getLatestBuild(ClientInfo info,
 boolean isForced)
                          throws DAOException

Returns the latest build for a particular ACARS version and client type.

Parameters:

info - the ClientInfo

isForced - TRUE if selecting minimum build to force an upgrade

Returns:

a ClientInfo bean, or null if not found

Throws:

DAOException - if a JDBC error occurs

isValid

public boolean isValid(ClientInfo inf)
                throws DAOException

Returns whether a particular client/build/beta combination can connect to ACARS.

Parameters:

inf - a ClientInfo bean

Returns:

TRUE if can connect, otherwise FALSE

Throws:

DAOException - if a JDBC error occurs

isValid

public boolean isValid(ClientInfo inf,
 AccessRole role)
                throws DAOException

Returns whether a particular client/build/beta combination can access ACARS.

Parameters:

inf - a ClientInfo bean

role - the Access role

Returns:

TRUE if can connect, otherwise FALSE

Throws:

DAOException - if a JDBC error occurs

isDispatchAvailable

public boolean isDispatchAvailable(ClientVersion inf)
                            throws DAOException

Returns whether a particular ACARS build can request Dispatch service.

Parameters:

inf - a ClientInfo bean

Returns:

TRUE if Dispatch service can be requested, otherwise FALSE

Throws:

DAOException - if a JDBC error occurs

getBuildStatistics

public Collection<ClientBuildStats> getBuildStatistics(int weeks)
                                                throws DAOException

Loads ACARS client build statistics by week.

Parameters:

weeks - the number of weeks to load

Returns:

a Collection of ClientBuildStats beans

Throws:

DAOException - if a JDBC error occurs