Package adams.db

Class LogF

java.lang.Object

adams.core.logging.LoggingObject

adams.db.AbstractTableFacade

adams.db.AbstractIndexedTableFacade

adams.db.LogF

All Implemented Interfaces:

LoggingSupporter, SizeOfHandler, DatabaseConnectionProvider, DatabaseConnectionUser, IndexedTableInterface, LogIntf, SQLIntfAccess, TableInterface, Serializable

public class LogF
extends AbstractIndexedTableFacade
implements LogIntf

Facade for logging backends.

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected LogIntf	m_DB	the backend.
protected static FacadeManager<LogF>	m_TableManager	the facade manager.

Fields inherited from class adams.db.AbstractTableFacade

m_DatabaseConnection, m_Debug, m_TableName

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Fields inherited from interface adams.db.LogIntf

TABLE_NAME

Constructor Summary

Constructors

Constructor	Description
LogF(AbstractDatabaseConnection dbcon)	Constructor.

Method Summary

Modifier and Type	Method	Description
boolean	add(LogEntry log)	Adds a log entry.
boolean	exists(LogEntry log)	Looks for a log entry in the DB, looking for the auto_id.
AbstractDatabaseQueries	getQueries()	Returns the underlying queries helper instance.
static LogF	getSingleton(AbstractDatabaseConnection dbcon)	Returns the singleton of the facade.
SQLIntf	getSQLIntf()	Returns the underlying SQLIntf instance.
boolean	hasSQLIntf()	Returns whether a SQLIntf instance is available.
LogEntry	load(long auto_id)	Loads a log entry from db, using the database ID.
List<LogEntry>	load(LogEntryConditions cond)	Loads log entries from the database that match the conditions.
String	quoteName(String name)	Returns the column/table quoted if ANSI quotes are to be used.
boolean	remove(LogEntry log)	Removes a log entry from the DB.
boolean	update(LogEntry log)	Updates a log entry.
boolean	useAnsiQuotes()	Returns whether ANSI quotes are to be used around table/column names.

Methods inherited from class adams.db.AbstractTableFacade

getDatabaseConnection, getDebug, getTableName, reload, setDebug, updatePrefix

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface adams.db.TableInterface

getTableName

Field Detail

m_TableManager

protected static FacadeManager<LogF> m_TableManager

the facade manager.

m_DB

protected LogIntf m_DB

the backend.

Constructor Detail

LogF

public LogF(AbstractDatabaseConnection dbcon)

Constructor.

Parameters:

dbcon - the database context to use

Method Detail

load

public LogEntry load(long auto_id)

Loads a log entry from db, using the database ID.

Specified by:

load in interface LogIntf

Parameters:

auto_id - the auto_id to retrieve and field from

Returns:

the log entry, null if not found

load

public List<LogEntry> load(LogEntryConditions cond)

Loads log entries from the database that match the conditions.

Specified by:

load in interface LogIntf

Parameters:

cond - the conditions for the entries to match

Returns:

the log entries

exists

public boolean exists(LogEntry log)

Looks for a log entry in the DB, looking for the auto_id.

Specified by:

exists in interface LogIntf

Parameters:

log - the log entry

Returns:

true if a log entry already exists

add

public boolean add(LogEntry log)

Adds a log entry.

Specified by:

add in interface LogIntf

Parameters:

log - the log entry to add

Returns:

true if insert successful or already present

update

public boolean update(LogEntry log)

Updates a log entry.

Specified by:

update in interface LogIntf

Parameters:

log - the log entry to update

Returns:

true if update successful or false if not present

remove

public boolean remove(LogEntry log)

Removes a log entry from the DB.

Specified by:

remove in interface LogIntf

Parameters:

log - the log entry

Returns:

true if successful

hasSQLIntf

public boolean hasSQLIntf()

Returns whether a SQLIntf instance is available.

Specified by:

hasSQLIntf in interface SQLIntfAccess

Returns:

true if available

getSQLIntf

public SQLIntf getSQLIntf()

Returns the underlying SQLIntf instance.

Specified by:

getSQLIntf in interface SQLIntfAccess

Returns:

the instance, null if if unavailable

useAnsiQuotes

public boolean useAnsiQuotes()

Returns whether ANSI quotes are to be used around table/column names.

Specified by:

useAnsiQuotes in interface IndexedTableInterface

Returns:

true if to be used

quoteName

public String quoteName(String name)

Returns the column/table quoted if ANSI quotes are to be used.

Specified by:

quoteName in interface IndexedTableInterface

Parameters:

name - the table/column name to quote (if necessary)

Returns:

the potentially quoted name

See Also:

useAnsiQuotes()

getQueries

public AbstractDatabaseQueries getQueries()

Returns the underlying queries helper instance.

Specified by:

getQueries in interface IndexedTableInterface

Returns:

the instance, null if not available

getSingleton

public static LogF getSingleton(AbstractDatabaseConnection dbcon)

Returns the singleton of the facade.

Parameters:

dbcon - the database connection to get the singleton for

Returns:

the singleton