Package adams.db.generic

Class LogT

java.lang.Object

adams.core.logging.LoggingObject

adams.db.generic.SQL

adams.db.AbstractTable

adams.db.AbstractIndexedTable

adams.db.generic.LogT

All Implemented Interfaces:

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

Direct Known Subclasses:

LogT, LogT, LogT, LogT

public class LogT
extends AbstractIndexedTable
implements LogIntf

Table for storing log messages.

Author:

Fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static TableManager<LogT>	m_TableManager	the table manager.

Fields inherited from class adams.db.AbstractIndexedTable

m_init

Fields inherited from class adams.db.AbstractTable

FILENAME, m_AnsiQuotes, m_Properties, m_TableName

Fields inherited from class adams.db.generic.SQL

m_DatabaseConnection, m_Debug

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Fields inherited from interface adams.db.LogIntf

TABLE_NAME

Fields inherited from interface adams.db.SQLIntf

FAKE_TABLE_NAME

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	LogT(AbstractDatabaseConnection dbcon)	The 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.
protected ColumnMapping	getColumnMapping()	Returns column names and data types.
protected Indices	getIndices()	Returns required indices for this 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.
protected LogEntry	resultsetToObject(ResultSet rs)	Turns the values at the next position into a substance object if possible.
static LogT	singleton(AbstractDatabaseConnection dbcon)	Returns the singleton instance.
protected boolean	store(LogEntry log, boolean update)	Inserts or updates a substance.
boolean	update(LogEntry log)	Updates a log entry.

Methods inherited from class adams.db.AbstractIndexedTable

columnsMatch, columnsMatchTest, create, getAllColumns, getTables, init, initTables, isThere, postCreate, select, select, selectDistinct, selectDistinct, truncate, update

Methods inherited from class adams.db.AbstractTable

columnExists, databaseConnectionStateChanged, getProperties, getTableName, isEnabled, quoteName, tableExists, toString, useAnsiQuotes

Methods inherited from class adams.db.generic.SQL

columnExists, doSelect, drop, execute, executeGeneratedKeys, getDatabaseConnection, getDebug, getMaxColumnNameLength, getResultSet, getSimpleResultSet, prepareStatement, prepareStatement, prepareStatement, select, selectDistinct, selectDouble, selectInt, selectLong, selectString, selectStrings, setDebug, tableExists, truncate, update, updatePrefix, updateTableName

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, wait, wait, wait

Methods inherited from interface adams.core.logging.LoggingSupporter

getLogger, isLoggingEnabled

Methods inherited from interface adams.db.TableInterface

getTableName

Field Detail

m_TableManager

protected static TableManager<LogT> m_TableManager

the table manager.

Constructor Detail

LogT

protected LogT(AbstractDatabaseConnection dbcon)

The constructor.

Parameters:

dbcon - the database context this table is used in

Method Detail

getColumnMapping

protected ColumnMapping getColumnMapping()

Returns column names and data types.

Specified by:

getColumnMapping in class AbstractIndexedTable

Returns:

Column Mapping

getIndices

protected Indices getIndices()

Returns required indices for this table.

Specified by:

getIndices in class AbstractIndexedTable

Returns:

Indices

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

resultsetToObject

protected LogEntry resultsetToObject(ResultSet rs)

Turns the values at the next position into a substance object if possible.

Parameters:

rs - the result set

Returns:

the generate object or null in case of an error

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

store

protected boolean store(LogEntry log,
                        boolean update)

Inserts or updates a substance.

Parameters:

log - the log entry to store/update

update - if true then an UPDATE will be performed, otherwise an INSERT

Returns:

true if insert successful or already present

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

singleton

public static LogT singleton(AbstractDatabaseConnection dbcon)

Returns the singleton instance.

Returns:

the singleton