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/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software
* License version 1.1, a copy of which has been included with this
* distribution in the LICENSE.txt file. */
package org.apache.log4j.spi;
import org.apache.log4j.*;
import java.util.Enumeration;
/**
A LoggerRepository is used to create and retrieve
Loggers . The relation between loggers in a repository
depends on the repository but typically loggers are arranged in a
named hierarchy.
In addition to the creational methods, a
LoggerRepository can be queried for existing loggers,
can act as a point of registry for events related to loggers.
@author Ceki Gülcü
@since 1.2 */
public interface LoggerRepository {
/**
Add a {@link HierarchyEventListener} event to the repository.
*/
public
void addHierarchyEventListener(HierarchyEventListener listener);
/**
Is the repository disabled for a given level? The answer depends
on the repository threshold and the level
parameter. See also {@link #setThreshold} method. */
boolean isDisabled(int level);
/**
Set the repository-wide threshold. All logging requests below the
threshold are immediately dropped. By default, the threshold is
set to Level.ALL which has the lowest possible rank. */
public
void setThreshold(Level level);
/**
Another form of {@link #setThreshold(Level)} accepting a string
parameter instead of a Level . */
public
void setThreshold(String val);
public
void emitNoAppenderWarning(Category cat);
/**
Get the repository-wide threshold. See {@link
#setThreshold(Level)} for an explanation. */
public
Level getThreshold();
public
Logger getLogger(String name);
public
Logger getLogger(String name, LoggerFactory factory);
public
Logger getRootLogger();
public
abstract
Logger exists(String name);
public
abstract
void shutdown();
public
Enumeration getCurrentLoggers();
/**
@deprecated Please use {@link #getCurrentLoggers} instead. */
public
Enumeration getCurrentCategories();
public
abstract
void fireAddAppenderEvent(Category logger, Appender appender);
public
abstract
void resetConfiguration();
}
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