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java.lang.Object | +--org.apache.log4j.Category | +--org.apache.log4j.Logger | +--org.apache.log4j.spi.RootLogger
RootLogger sits at the top of the category hierachy. It is a regular logger except that it provides several guarantees.
First, it cannot be assigned a null
level. Second, since root logger cannot have a parent, the
getChainedLevel()
method always returns the value of the
level field without walking the hierarchy.
Field Summary |
Fields inherited from class org.apache.log4j.Category |
additive, level, lock, name, parent, repository, resourceBundle |
Constructor Summary | |
RootLogger(Level level)
The root category names itself as "root". |
Method Summary | |
Level |
getChainedLevel()
Return the assigned level value without walking the category hierarchy. |
void |
setLevel(Level level)
Setting a null value to the level of the root logger may have catastrophic results. |
Methods inherited from class org.apache.log4j.Logger |
debug, error, fatal, getLogger, getLogger, getLogger, getRootLogger, info, trace, trace, trace, trace, warn |
Methods inherited from class org.apache.log4j.Category |
addAppender, assertLog, callAppenders, debug, debug, debug, error, error, error, exists, fatal, fatal, fatal, forcedLog, getAdditivity, getAllAppenders, getAppender, getChainedPriority, getCurrentCategories, getDefaultHierarchy, getEffectiveLevel, getHierarchy, getInstance, getInstance, getLevel, getLoggerRepository, getName, getParent, getPriority, getResourceBundle, getResourceBundleString, getRoot, info, info, info, isAttached, isDebugEnabled, isEnabledFor, isEnabledFor, isInfoEnabled, isTraceEnabled, l7dlog, l7dlog, log, log, log, log, log, log, removeAllAppenders, removeAppender, removeAppender, setAdditivity, setResourceBundle, shutdown, warn, warn, warn |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public RootLogger(Level level)
Method Detail |
public final Level getChainedLevel()
public final void setLevel(Level level)
setLevel
in class Category
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