Class GetSystemData

java.lang.Object

org.deltava.dao.DAO

org.deltava.dao.GetSystemData

public class GetSystemData
extends DAO

A Data Access Object for loading system data (Session/Command/HTTP log tables) and Registration blocks.

Since:

1.0

Version:

12.0

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
GetSystemData(Connection c)	Initialize the Data Access Object.

Method Summary

Modifier and Type	Method	Description
Collection<BlacklistEntry>	getBlacklist()	Returns the Login/Regisstration blacklist.
BlacklistEntry	getBlacklist(String addr)	Returns whether an IP address is contained within a Login or Regisstration blacklist.
Collection<CommandStatsEntry>	getCommandStats(String orderBy)	Returns Command invocation statistics.
String	getDBVersion()	Retrieves the database software version.
List<HTTPStatistics>	getHTTPStats(String orderBy)	Returns HTTP server statistics.
HTTPTotals	getHTTPTotals()	Returns the HTTP server totals.
Instant	getLastRun(String taskID)	Returns the last execution time of a Scheduled Task.
Map<String, TaskLastRun>	getTaskExecution()	Returns the last execution date/times for Scheduled Tasks.

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

GetSystemData

public GetSystemData(Connection c)

Initialize the Data Access Object.

Parameters:

c - the JDBC connection to use

Method Details

getDBVersion

public String getDBVersion()
                    throws DAOException

Retrieves the database software version.

Returns:

the version string

Throws:

DAOException - if a JDBC error occurs

getHTTPStats

public List<HTTPStatistics> getHTTPStats(String orderBy)
                                  throws DAOException

Returns HTTP server statistics.

Parameters:

orderBy - the column to sort by

Returns:

a List of HTTPStatistics objects

Throws:

DAOException - if a JDBC error occurs

getHTTPTotals

public HTTPTotals getHTTPTotals()
                         throws DAOException

Returns the HTTP server totals.

Returns:

an HTTPTotals bean with total requests, home hits and bandwidth used

Throws:

DAOException - if a JDBC error occurs

See Also:

• HTTPTotals

getCommandStats

public Collection<CommandStatsEntry> getCommandStats(String orderBy)
                                              throws DAOException

Returns Command invocation statistics.

Parameters:

orderBy - the column to order results by

Returns:

a Collection of CommandStatsEntry beans

Throws:

DAOException - if a JDBC error occurs

getTaskExecution

public Map<String, TaskLastRun> getTaskExecution()
                                          throws DAOException

Returns the last execution date/times for Scheduled Tasks.

Returns:

a Map of TaskLastRun beans, ordered by task ID

Throws:

DAOException - if a JDBC error occurs

getLastRun

public Instant getLastRun(String taskID)
                   throws DAOException

Returns the last execution time of a Scheduled Task.

Parameters:

taskID - the Task ID

Returns:

the last execution date/time, or null if never

Throws:

DAOException - if a JDBC error occurs

getBlacklist

public Collection<BlacklistEntry> getBlacklist()
                                        throws DAOException

Returns the Login/Regisstration blacklist.

Returns:

a Collection of BlacklistEntry beans

Throws:

DAOException - if a JDBC error occurs

getBlacklist

public BlacklistEntry getBlacklist(String addr)
                            throws DAOException

Returns whether an IP address is contained within a Login or Regisstration blacklist.

Parameters:

addr - the IP Address

Returns:

a BlacklistEntry, or null if not found

Throws:

DAOException - if a JDBC error occurs