Class GetGallery

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.GetGallery

public class GetGallery
extends DAO

A Data Access Object to load Image Gallery data.

Since:

1.0

Version:

10.6

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
GetGallery(Connection c)	Initializes the DAO with a given JDBC connection.

Method Summary

Modifier and Type	Method	Description
List<Image>	getFleetGallery()	Returns all the image metadata associated with the Fleet Gallery.
Image	getImageData(int id, String dbName)	Returns the metadata associated with a particular Gallery image.
Collection<String>	getMonths()	Loads the Months with Images in the Gallery.
List<Image>	getPictureGallery(String orderBy, String month)	Returns Images in the Image Gallery.
List<Image>	getPictureGallery(Instant dt)	Returns Images in the Image Gallery created on a specific date.
List<Image>	getUserGallyer(int pilotID)	Returns Images created by a particular Pilot.

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

GetGallery

public GetGallery(Connection c)

Initializes the DAO with a given JDBC connection.

Parameters:

c - the JDBC Connection

Method Details

getImageData

public Image getImageData(int id,
 String dbName)
                   throws DAOException

Returns the metadata associated with a particular Gallery image.

Parameters:

id - the Image id

dbName - the database name

Returns:

an Image, or null if the id was not found

Throws:

DAOException - if a JDBC error occurs

getFleetGallery

public List<Image> getFleetGallery()
                            throws DAOException

Returns all the image metadata associated with the Fleet Gallery. No vote data is returned .

Returns:

a List of Images in the Fleet Gallery

Throws:

DAOException - if a JDBC error occurs

getPictureGallery

public List<Image> getPictureGallery(Instant dt)
                              throws DAOException

Returns Images in the Image Gallery created on a specific date.

Parameters:

dt - the date the image was posted

Returns:

a List of Image beans

Throws:

DAOException - if a JDBC error occurs

getUserGallyer

public List<Image> getUserGallyer(int pilotID)
                           throws DAOException

Returns Images created by a particular Pilot.

Parameters:

pilotID - the Pilot's database ID

Returns:

a List of Image beans

Throws:

DAOException - if a JDBC error occurs

getPictureGallery

public List<Image> getPictureGallery(String orderBy,
 String month)
                              throws DAOException

Returns Images in the Image Gallery. This can optionally select a month's worth of Images.

Parameters:

orderBy - the SQL ORDER BY clause

month - the optional month name, in "MMMM YYYY" format

Returns:

a Collection of Image beans

Throws:

DAOException - if a JDBC error occurs

getMonths

public Collection<String> getMonths()
                             throws DAOException

Loads the Months with Images in the Gallery.

Returns:

a Collection of Month/Year values

Throws:

DAOException - if a JDBC error occurs