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*
* // Copyright (c) 1998, 2007, Oracle. All rights reserved.
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*
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* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
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* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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* Header, with the fields enclosed by brackets [] replaced by your own
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package oracle.toplink.essentials.logging;
import java.io.Writer;
import oracle.toplink.essentials.sessions.Session;
/**
* SessionLog is the ever-so-simple interface used by
* TopLink to log generated messages and SQL. An implementor of
* this interface can be passed to the TopLink session
* (via the #setSessionLog(SessionLog) method); and
* all logging data will be passed through to the implementor
* via an instance of SessionLogEntry. This can be used
* to supplement debugging; or the entries could be stored
* in a database instead of logged to System.out; etc.
*
* @see AbstractSessionLog
* @see SessionLogEntry
*
* @since TOPLink/Java 3.0
*/
public interface SessionLog {
//TopLink log levels. They are mapped to java.util.logging.Level values
public static final int OFF = 8;
//TL is not in a state to continue
public static final int SEVERE = 7;
//Exceptions that don't force a stop
public static final int WARNING = 6;
//Login and logout per server session with name
public static final int INFO = 5;
//Configuration info
public static final int CONFIG = 4;
//SQL
public static final int FINE = 3;
//Previously logged under logMessage and stack trace of exceptions at WARNING level
public static final int FINER = 2;
//Previously logged under logDebug
public static final int FINEST = 1;
public static final int ALL = 0;
//TopLink categories used for logging name space.
//If you add a new category, please Please ensure to add it to
//loggerCategories array below
public static final String SQL = "sql";
public static final String TRANSACTION = "transaction";
public static final String EVENT = "event";
public static final String CONNECTION = "connection";
public static final String QUERY = "query";
public static final String CACHE = "cache";
public static final String PROPAGATION = "propagation";
public static final String SEQUENCING = "sequencing";
public static final String EJB = "ejb";
public static final String DMS = "dms";
public static final String EJB_OR_METADATA = "ejb_or_metadata";
public static final String WEAVER = "weaver";
public static final String PROPERTIES = "properties";
public final String[] loggerCategories = new String[] { SQL ,TRANSACTION ,EVENT ,CONNECTION ,QUERY ,CACHE ,PROPAGATION ,SEQUENCING ,EJB ,DMS ,EJB_OR_METADATA ,WEAVER ,PROPERTIES};
/**
* INTERNAL:
* TopLink will call this method whenever something
* needs to be logged (messages, SQL, etc.).
* All the pertinent information will be contained in
* the specified entry.
*
* @param entry oracle.toplink.essentials.sessions.LogEntry
*/
void log(SessionLogEntry entry);
/**
* By default the stack trace is logged for SEVERE all the time and at FINER level for WARNING or less,
* this can be turned off.
*/
boolean shouldLogExceptionStackTrace();
/**
* By default the date is always printed, this can be turned off.
*/
boolean shouldPrintDate();
/**
* By default the thread is logged at FINE or less level, this can be turned off.
*/
boolean shouldPrintThread();
/**
* By default the connection is always printed whenever available, this can be turned off.
*/
boolean shouldPrintConnection();
/**
* By default the Session is always printed whenever available, this can be turned off.
*/
boolean shouldPrintSession();
/**
* By default stack trace is logged for SEVERE all the time and at FINER level for WARNING or less.
* This can be turned off.
*/
void setShouldLogExceptionStackTrace(boolean flag);
/**
* By default date is printed, this can be turned off.
*/
void setShouldPrintDate(boolean flag);
/**
* By default the thread is logged at FINE or less level, this can be turned off.
*/
void setShouldPrintThread(boolean flag);
/**
* By default the connection is always printed whenever available, this can be turned off.
*/
void setShouldPrintConnection(boolean flag);
/**
* By default the Session is always printed whenever available, this can be turned off.
*/
void setShouldPrintSession(boolean flag);
/**
* PUBLIC:
* Return the writer to which an accessor writes logged messages and SQL.
* If not set, this reference usually defaults to a writer on System.out.
* To enable logging, logMessages must be turned on in the session.
*/
Writer getWriter();
/**
* PUBLIC:
* Set the writer to which an accessor writes logged messages and SQL.
* If not set, this reference usually defaults to a writer on System.out.
* To enable logging, logMessages() is used on the session.
*/
void setWriter(Writer log);
/**
* PUBLIC:
* Return the log level. Used when session is not available.
*/
int getLevel();
/**
* PUBLIC:
* Return the log level. category is only needed where name space
* is available.
*/
int getLevel(String category);
/**
* PUBLIC:
* Set the log level. Used when session is not available.
*/
void setLevel(int level);
/**
* PUBLIC:
* Set the log level. Category is only needed where name space
* is available.
*/
void setLevel(int level, String category);
/**
* PUBLIC:
* Check if a message of the given level would actually be logged.
* Used when session is not available.
*/
boolean shouldLog(int level);
/**
* PUBLIC:
* Check if a message of the given level would actually be logged.
* Category is only needed where name space is available.
*/
boolean shouldLog(int level, String category);
/**
* PUBLIC:
* Log a message that does not need to be translated. This method is intended for
* external use when logging messages are wanted within the TopLink output.
*/
void log(int level, String message);
/**
* INTERNAL:
* Log a message with one parameter that needs to be translated.
*/
public void log(int level, String message, Object param);
/**
* INTERNAL:
* Log a message with two parameters that needs to be translated.
*/
void log(int level, String message, Object param1, Object param2);
/**
* INTERNAL:
* Log a message with three parameters that needs to be translated.
*/
void log(int level, String message, Object param1, Object param2, Object param3);
/**
* INTERNAL:
* This method is called when the log request is from somewhere session is not available.
* The message needs to be translated.
*/
void log(int level, String message, Object[] arguments);
/**
* INTERNAL:
* This method is called when the log request is from somewhere session is not available.
* shouldTranslate flag determines if the message needs to be translated.
*/
void log(int level, String message, Object[] arguments, boolean shouldTranslate);
/**
* PUBLIC:
* This method is called when a throwable at finer level needs to be logged.
*/
void throwing(Throwable throwable);
/**
* PUBLIC:
* This method is called when a severe level message needs to be logged.
* The message will be translated
*/
void severe(String message);
/**
* PUBLIC:
* This method is called when a warning level message needs to be logged.
* The message will be translated
*/
void warning(String message);
/**
* PUBLIC:
* This method is called when a info level message needs to be logged.
* The message will be translated
*/
void info(String message);
/**
* PUBLIC:
* This method is called when a config level message needs to be logged.
* The message will be translated
*/
void config(String message);
/**
* PUBLIC:
* This method is called when a fine level message needs to be logged.
* The message will be translated
*/
void fine(String message);
/**
* PUBLIC:
* This method is called when a finer level message needs to be logged.
* The message will be translated
*/
void finer(String message);
/**
* PUBLIC:
* This method is called when a finest level message needs to be logged.
* The message will be translated
*/
void finest(String message);
/**
* PUBLIC:
* Log a throwable with level.
*/
void logThrowable(int level, Throwable throwable);
/**
* PUBLIC:
* Get the session that owns this SessionLog.
*/
Session getSession();
/**
* PUBLIC:
* Set the session that owns this SessionLog.
*/
void setSession(Session session);
}
