Class SetGalleryImage

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.SetGalleryImage

public class SetGalleryImage
extends DAO

A Data Access Object to write Picture Gallery images.

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
SetGalleryImage(Connection c)	Initialize the Data Access Object.

Method Summary

Modifier and Type	Method	Description
void	delete(int id)	Deletes a Gallery Image from the database.
void	delete(int imgID, int pilotID)	Deletes an Image Vote from the database.
void	like(int userID, int imgID)	Writes a new Image Like to the database.
void	update(Image img)	Updates a Gallery Image's name and description.
void	write(Image img)	Writes a new Image to the database.

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

SetGalleryImage

public SetGalleryImage(Connection c)

Initialize the Data Access Object.

Parameters:

c - the JDBC connection to use

Method Details

write

public void write(Image img)
           throws DAOException

Writes a new Image to the database.

Parameters:

img - the Image object, with its image buffer populated

Throws:

DAOException - if a JDBC error occurs

IllegalArgumentException - if the buffer is empty

update

public void update(Image img)
            throws DAOException

Updates a Gallery Image's name and description.

Parameters:

img - the Image bean

Throws:

DAOException - if a JDBC error occurs

like

public void like(int userID,
 int imgID)
          throws DAOException

Writes a new Image Like to the database.

Parameters:

userID - the database ID of the Person liking the Image

imgID - the image database ID

Throws:

DAOException - if a JDBC error occurs

delete

public void delete(int id)
            throws DAOException

Deletes a Gallery Image from the database. This will automatically remove links from Water Cooler threads.

Parameters:

id - the Image Database ID

Throws:

DAOException - if a JDBC error occurs

delete

public void delete(int imgID,
 int pilotID)
            throws DAOException

Deletes an Image Vote from the database.

Parameters:

imgID - the Image Database ID

pilotID - the voting Pilot's Database ID

Throws:

DAOException - if a JDBC error occurs