org.datanucleus.util
Class NucleusLogger

java.lang.Object
  org.datanucleus.util.NucleusLogger

Direct Known Subclasses:

JDK14Logger, Log4JLogger, NullLogger

public abstract class NucleusLogger
extends java.lang.Object

Logging framework for DataNucleus. Allows use of Log4J, JDK1.4, or no logging. Performs a similar role to Apache CommonsLogging yet doesn't need an extra jar to be present in the CLASSPATH and also allows for no available logger.

Field Summary

static NucleusLogger	CACHE Log for Cache issues
static NucleusLogger	CLASSLOADING Log for ClassLoading issues
static NucleusLogger	CONNECTION Log for Connection issues
static NucleusLogger	DATASTORE Log for Datastore issues
static NucleusLogger	DATASTORE_PERSIST Log for Datastore persistence issues
static NucleusLogger	DATASTORE_RETRIEVE Log for Datastore retrieval issues
static NucleusLogger	DATASTORE_SCHEMA Log for Datastore Schema issues
static NucleusLogger	GENERAL Log for General issues
static NucleusLogger	JCA Log for JCA issues
static NucleusLogger	JDO Log for JDO issues
static NucleusLogger	JPA Log for JPA issues
static NucleusLogger	LIFECYCLE Log for Lifecycle issues
static NucleusLogger	MANAGEMENT Log for MANAGEMENT issues
static NucleusLogger	METADATA Log for METADATA issues
static NucleusLogger	NAMING Log for javax.naming issues
static NucleusLogger	PERSISTENCE Log for Persistence issues
static NucleusLogger	PLUGIN Log for PLUGIN issues
static NucleusLogger	QUERY Log for Query issues
static NucleusLogger	REACHABILITY Log for REACHABILITY issues
static NucleusLogger	SCHEMATOOL Log for SchemaTool
static NucleusLogger	TRANSACTION Log for Transaction issues
static NucleusLogger	VALUEGENERATION Log for value generation issues

Constructor Summary

NucleusLogger()

Method Summary

abstract void	debug(java.lang.Object msg) Log a debug message.
abstract void	debug(java.lang.Object msg, java.lang.Throwable thr) Log a debug message with throwable.
abstract void	error(java.lang.Object msg) Log an error message.
abstract void	error(java.lang.Object msg, java.lang.Throwable thr) Log an error message with throwable.
abstract void	fatal(java.lang.Object msg) Log a fatal message.
abstract void	fatal(java.lang.Object msg, java.lang.Throwable thr) Log a fatal message with throwable.
static NucleusLogger	getLoggerInstance(java.lang.String logCategory) Method to create a logger instance.
abstract void	info(java.lang.Object msg) Log an info message.
abstract void	info(java.lang.Object msg, java.lang.Throwable thr) Log an info message with throwable.
abstract boolean	isDebugEnabled() Accessor for whether debug logging is enabled
abstract boolean	isInfoEnabled() Accessor for whether info logging is enabled
abstract void	warn(java.lang.Object msg) Log a warning message.
abstract void	warn(java.lang.Object msg, java.lang.Throwable thr) Log a warning message with throwable.

Methods inherited from class java.lang.Object

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

Field Detail

JDO

public static final NucleusLogger JDO

Log for JDO issues

JPA

public static final NucleusLogger JPA

Log for JPA issues

PERSISTENCE

public static final NucleusLogger PERSISTENCE

Log for Persistence issues

LIFECYCLE

public static final NucleusLogger LIFECYCLE

Log for Lifecycle issues

QUERY

public static final NucleusLogger QUERY

Log for Query issues

REACHABILITY

public static final NucleusLogger REACHABILITY

Log for REACHABILITY issues

METADATA

public static final NucleusLogger METADATA

Log for METADATA issues

MANAGEMENT

public static final NucleusLogger MANAGEMENT

Log for MANAGEMENT issues

CACHE

public static final NucleusLogger CACHE

Log for Cache issues

GENERAL

public static final NucleusLogger GENERAL

Log for General issues

TRANSACTION

public static final NucleusLogger TRANSACTION

Log for Transaction issues

CONNECTION

public static final NucleusLogger CONNECTION

Log for Connection issues

JCA

public static final NucleusLogger JCA

Log for JCA issues

CLASSLOADING

public static final NucleusLogger CLASSLOADING

Log for ClassLoading issues

PLUGIN

public static final NucleusLogger PLUGIN

Log for PLUGIN issues

VALUEGENERATION

public static final NucleusLogger VALUEGENERATION

Log for value generation issues

NAMING

public static final NucleusLogger NAMING

Log for javax.naming issues

DATASTORE

public static final NucleusLogger DATASTORE

Log for Datastore issues

DATASTORE_PERSIST

public static final NucleusLogger DATASTORE_PERSIST

Log for Datastore persistence issues

DATASTORE_RETRIEVE

public static final NucleusLogger DATASTORE_RETRIEVE

Log for Datastore retrieval issues

DATASTORE_SCHEMA

public static final NucleusLogger DATASTORE_SCHEMA

Log for Datastore Schema issues

SCHEMATOOL

public static final NucleusLogger SCHEMATOOL

Log for SchemaTool

Constructor Detail

NucleusLogger

public NucleusLogger()

Method Detail

getLoggerInstance

public static NucleusLogger getLoggerInstance(java.lang.String logCategory)

Method to create a logger instance.

Parameters:

logCategory - The category (or null)

Returns:

The logger

debug

public abstract void debug(java.lang.Object msg)

Log a debug message.

Parameters:

msg - The message

debug

public abstract void debug(java.lang.Object msg,
                           java.lang.Throwable thr)

Log a debug message with throwable.

Parameters:

msg - The message

thr - A throwable

info

public abstract void info(java.lang.Object msg)

Log an info message.

Parameters:

msg - The message

info

public abstract void info(java.lang.Object msg,
                          java.lang.Throwable thr)

Log an info message with throwable.

Parameters:

msg - The message

thr - A throwable

warn

public abstract void warn(java.lang.Object msg)

Log a warning message.

Parameters:

msg - The message

warn

public abstract void warn(java.lang.Object msg,
                          java.lang.Throwable thr)

Log a warning message with throwable.

Parameters:

msg - The message

thr - A throwable

error

public abstract void error(java.lang.Object msg)

Log an error message.

Parameters:

msg - The message

error

public abstract void error(java.lang.Object msg,
                           java.lang.Throwable thr)

Log an error message with throwable.

Parameters:

msg - The message

thr - A throwable

fatal

public abstract void fatal(java.lang.Object msg)

Log a fatal message.

Parameters:

msg - The message

fatal

public abstract void fatal(java.lang.Object msg,
                           java.lang.Throwable thr)

Log a fatal message with throwable.

Parameters:

msg - The message

thr - A throwable

isDebugEnabled

public abstract boolean isDebugEnabled()

Accessor for whether debug logging is enabled

Returns:

Whether it is enabled

isInfoEnabled

public abstract boolean isInfoEnabled()

Accessor for whether info logging is enabled

Returns:

Whether it is enabled