Package adams.db.mirrored

Class LogT

java.lang.Object

adams.core.logging.LoggingObject

adams.db.wrapper.AbstractWrapper<LogIntf>

adams.db.mirrored.LogT

All Implemented Interfaces:

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

public class LogT
extends AbstractWrapper<LogIntf>
implements LogIntf

Allows mirroring to another database.

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 non-mirrored backend.
protected static WrapperManager<LogT>	m_TableManager	the table manager.
protected String	m_Updating	object for blocking polling/removal of fully processed.

Fields inherited from class adams.db.wrapper.AbstractWrapper

m_Connection, m_TableName, m_Wrapped

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

Modifier	Constructor	Description
protected	LogT(AbstractDatabaseConnection dbcon, LogIntf wrapped)	Initializes the mirroring.

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.
static LogT	getSingleton(AbstractDatabaseConnection dbcon, LogIntf mirror)	Returns the singleton of the table.
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.
boolean	remove(LogEntry log)	Removes a log entry from the DB.
boolean	update(LogEntry log)	Updates a log entry.

Methods inherited from class adams.db.wrapper.AbstractWrapper

getDatabaseConnection, getTableName, getWrapped

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 WrapperManager<LogT> m_TableManager

the table manager.

m_DB

protected LogIntf m_DB

the non-mirrored backend.

m_Updating

protected final String m_Updating

object for blocking polling/removal of fully processed.

Constructor Detail

LogT

protected LogT(AbstractDatabaseConnection dbcon,
               LogIntf wrapped)

Initializes the mirroring.

Parameters:

dbcon - the database connection

wrapped - the mirror

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

getSingleton

public static LogT getSingleton(AbstractDatabaseConnection dbcon,
                                LogIntf mirror)

Returns the singleton of the table.

Parameters:

dbcon - the database connection to get the singleton for

mirror - the mirror

Returns:

the singleton