CommonsLoggingSessionLog (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.orm.toplink.support
Class CommonsLoggingSessionLog

java.lang.Object
  oracle.toplink.logging.AbstractSessionLog
      org.springframework.orm.toplink.support.CommonsLoggingSessionLog

All Implemented Interfaces:: Cloneable, oracle.toplink.sessions.SessionLog

public class CommonsLoggingSessionLog
extends oracle.toplink.logging.AbstractSessionLog
extends oracle.toplink.logging.AbstractSessionLog

TopLink 10.1.3+ SessionLog implementation that logs through Commons Logging.

The namespace used is "oracle.toplink.xxx", with the latter part being the TopLink log category ("sql"/"transaction"/etc). In case of no category given, "session" will be used as default. This allows for fine-grained filtering of log messages, for example through Log4J configuration.

Maps TopLink's SEVERE level to CL ERROR, TopLink's WARNING to CL WARN, TopLink's INFO to CL INFO, TopLink's CONFIG/FINE/FINER to CL DEBUG, and TopLink's FINEST to CL TRACE. This results in common CL log behavior: INFO logging only at startup; operation logging at DEBUG level. Debug logging can be further filtered according to categories: for example, activate Log4J DEBUG logging for category "oracle.toplink.sql" to see the generated SQL.

Note: This implementation will only work on TopLink 10.1.3 or higher, as it is built against TopLink's new SessionLog facilities in the oracle.toplink.logging package, supporting log categories.

Since:: 1.2
Author:: Juergen Hoeller
See Also:: CommonsLoggingSessionLog904, oracle.toplink.logging.JavaLog, LocalSessionFactory.setSessionLog(oracle.toplink.sessions.SessionLog)

Field Summary

static String DEFAULT_NAMESPACE


static String DEFAULT_SEPARATOR


static String NAMESPACE_PREFIX


Fields inherited from class oracle.toplink.logging.AbstractSessionLog

CONFIG_PREFIX, CONNECTION_STRING, dateFormat, defaultLog, FINE_PREFIX, FINER_PREFIX, FINEST_PREFIX, INFO_PREFIX, level, session, sessionHashCode, sessionType, SEVERE_PREFIX, shouldLogExceptionStackTrace, shouldPrintDate, shouldPrintSession, shouldPrintThread, THREAD_STRING, TOPLINK_PREFIX, WARNING_PREFIX, writer

Fields inherited from interface oracle.toplink.sessions.SessionLog

ALL, CONFIG, FINE, FINER, FINEST, INFO, OFF, SEVERE, WARNING

Constructor Summary

CommonsLoggingSessionLog()


Method Summary

protected String getCategory(oracle.toplink.logging.SessionLogEntry entry)
          Determine the log category for the given log entry.

protected Throwable getException(oracle.toplink.logging.SessionLogEntry entry)
          Extract the exception from the given log entry.

protected String getMessageString(oracle.toplink.logging.SessionLogEntry entry)
          Build the message String for the given log entry, including the supplemental details (session, connection) and the formatted message.

String getSeparator()
          Return the separator between TopLink's supplemental details (session, connection) and the log message itself.

void log(oracle.toplink.logging.SessionLogEntry entry)


void log(oracle.toplink.sessions.SessionLogEntry entry)
          Throws an UnsupportedOperationException: This method is not called any longer as of TopLink 10.1.3, but abstract in 10.1.3 Preview 3 (which we want to be able to compile against).

void setSeparator(String separator)
          Specify the separator between TopLink's supplemental details (session, connection) and the log message itself.

Methods inherited from class oracle.toplink.logging.AbstractSessionLog

buildDefaultDateFormat, buildSessionHashCode, buildSessionType, clone, config, fine, finer, finest, formatMessage, getConnectionString, getDateFormat, getDateString, getLevel, getLevel, getLog, getSession, getSessionString, getSessionString, getSupplementDetailString, getThreadString, getWriter, info, isOff, log, log, log, log, log, log, logThrowable, printPrefixString, setDateFormat, setLevel, setLevel, setLog, setSession, setShouldLogDebug, setShouldLogExceptions, setShouldLogExceptionStackTrace, setShouldPrintConnection, setShouldPrintDate, setShouldPrintSession, setShouldPrintThread, setWriter, severe, shouldLog, shouldLog, shouldLogDebug, shouldLogExceptions, shouldLogExceptionStackTrace, shouldPrintConnection, shouldPrintDate, shouldPrintSession, shouldPrintThread, throwing, warning

Methods inherited from class java.lang.Object

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

Field Summary
`static String`	`DEFAULT_NAMESPACE`
`static String`	`DEFAULT_SEPARATOR`
`static String`	`NAMESPACE_PREFIX`

Fields inherited from class oracle.toplink.logging.AbstractSessionLog
`CONFIG_PREFIX, CONNECTION_STRING, dateFormat, defaultLog, FINE_PREFIX, FINER_PREFIX, FINEST_PREFIX, INFO_PREFIX, level, session, sessionHashCode, sessionType, SEVERE_PREFIX, shouldLogExceptionStackTrace, shouldPrintDate, shouldPrintSession, shouldPrintThread, THREAD_STRING, TOPLINK_PREFIX, WARNING_PREFIX, writer`

Fields inherited from interface oracle.toplink.sessions.SessionLog
`ALL, CONFIG, FINE, FINER, FINEST, INFO, OFF, SEVERE, WARNING`

Constructor Summary
`CommonsLoggingSessionLog()`

Method Summary
`protected String`	`getCategory(oracle.toplink.logging.SessionLogEntry entry)` Determine the log category for the given log entry.
`protected Throwable`	`getException(oracle.toplink.logging.SessionLogEntry entry)` Extract the exception from the given log entry.
`protected String`	`getMessageString(oracle.toplink.logging.SessionLogEntry entry)` Build the message String for the given log entry, including the supplemental details (session, connection) and the formatted message.
`String`	`getSeparator()` Return the separator between TopLink's supplemental details (session, connection) and the log message itself.
`void`	`log(oracle.toplink.logging.SessionLogEntry entry)`
`void`	`log(oracle.toplink.sessions.SessionLogEntry entry)` Throws an UnsupportedOperationException: This method is not called any longer as of TopLink 10.1.3, but abstract in 10.1.3 Preview 3 (which we want to be able to compile against).
`void`	`setSeparator(String separator)` Specify the separator between TopLink's supplemental details (session, connection) and the log message itself.

Methods inherited from class oracle.toplink.logging.AbstractSessionLog
buildDefaultDateFormat, buildSessionHashCode, buildSessionType, clone, config, fine, finer, finest, formatMessage, getConnectionString, getDateFormat, getDateString, getLevel, getLevel, getLog, getSession, getSessionString, getSessionString, getSupplementDetailString, getThreadString, getWriter, info, isOff, log, log, log, log, log, log, logThrowable, printPrefixString, setDateFormat, setLevel, setLevel, setLog, setSession, setShouldLogDebug, setShouldLogExceptions, setShouldLogExceptionStackTrace, setShouldPrintConnection, setShouldPrintDate, setShouldPrintSession, setShouldPrintThread, setWriter, severe, shouldLog, shouldLog, shouldLogDebug, shouldLogExceptions, shouldLogExceptionStackTrace, shouldPrintConnection, shouldPrintDate, shouldPrintSession, shouldPrintThread, throwing, warning

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

NAMESPACE_PREFIX

public static final String NAMESPACE_PREFIX

See Also:: Constant Field Values

DEFAULT_NAMESPACE

public static final String DEFAULT_NAMESPACE

See Also:: Constant Field Values

DEFAULT_SEPARATOR

public static final String DEFAULT_SEPARATOR

See Also:: Constant Field Values

Constructor Detail

CommonsLoggingSessionLog

public CommonsLoggingSessionLog()

Method Detail

setSeparator

public void setSeparator(String separator)

Specify the separator between TopLink's supplemental details (session, connection) and the log message itself. Default is "--".

getSeparator

public String getSeparator()

Return the separator between TopLink's supplemental details (session, connection) and the log message itself. Default is "--".

log

public void log(oracle.toplink.logging.SessionLogEntry entry)

Specified by:: log in class oracle.toplink.logging.AbstractSessionLog

getCategory

protected String getCategory(oracle.toplink.logging.SessionLogEntry entry)

Determine the log category for the given log entry.

If the entry carries a name space value, it will be appended to the "oracle.toplink." prefix; else, "oracle.toplink.session" will be used.

getMessageString

protected String getMessageString(oracle.toplink.logging.SessionLogEntry entry)

Build the message String for the given log entry, including the supplemental details (session, connection) and the formatted message.

See Also:: AbstractSessionLog.getSessionString(oracle.toplink.sessions.Session), AbstractSessionLog.getConnectionString(oracle.toplink.internal.databaseaccess.Accessor), AbstractSessionLog.formatMessage(oracle.toplink.logging.SessionLogEntry), getSeparator()

getException

protected Throwable getException(oracle.toplink.logging.SessionLogEntry entry)

Extract the exception from the given log entry.

Default implementations calls SessionLogEntry.getException via reflection: The return type varies between TopLink 9.0.4 and 10.1.3 (Exception vs Throwable, respectively), which does not allow us to compile both CommonsLoggingSessionLog904 and CommonsLoggingSessionLog against the same getException method.

log

public void log(oracle.toplink.sessions.SessionLogEntry entry)

Throws an UnsupportedOperationException: This method is not called any longer as of TopLink 10.1.3, but abstract in 10.1.3 Preview 3 (which we want to be able to compile against).

Do not remove this method for the time being, even if the superclass method is no longer abstract in toplink-api.jar!

Specified by:: log in interface oracle.toplink.sessions.SessionLog
Overrides:: log in class oracle.toplink.logging.AbstractSessionLog