Uses of Class
org.apache.log4j.Category
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Packages that use Category Package Description org.apache.log4j The main log4j package.org.apache.log4j.config Package used in getting/setting component properties.org.apache.log4j.pattern Provides classes implementing format specifiers in conversion patterns.org.apache.log4j.spi Contains part of the System Programming Interface (SPI) needed to extend log4j. -
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Uses of Category in org.apache.log4j
Subclasses of Category in org.apache.log4j Modifier and Type Class Description class
Logger
This is the central class in the log4j package.Fields in org.apache.log4j declared as Category Modifier and Type Field Description protected Category
Category. parent
The parent of this category.Methods in org.apache.log4j that return Category Modifier and Type Method Description static Category
Category. getInstance(java.lang.Class clazz)
Deprecated.Please make sure to useLogger.getLogger(Class)
instead.static Category
Category. getInstance(java.lang.String name)
Deprecated.Make sure to useLogger.getLogger(String)
instead.Category
Category. getParent()
Returns the parent of this category.static Category
Category. getRoot()
Deprecated.Please useLogger.getRootLogger()
instead.Methods in org.apache.log4j with parameters of type Category Modifier and Type Method Description void
Hierarchy. emitNoAppenderWarning(Category cat)
void
Hierarchy. fireAddAppenderEvent(Category logger, Appender appender)
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Uses of Category in org.apache.log4j.config
Methods in org.apache.log4j.config with parameters of type Category Modifier and Type Method Description protected void
PropertyPrinter. printOptions(java.io.PrintWriter out, Category cat)
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Uses of Category in org.apache.log4j.pattern
Constructors in org.apache.log4j.pattern with parameters of type Category Constructor Description LogEvent(java.lang.String fqnOfCategoryClass, Category logger, long timeStamp, Priority level, java.lang.Object message, java.lang.Throwable throwable)
Instantiate a LoggingEvent from the supplied parameters.LogEvent(java.lang.String fqnOfCategoryClass, Category logger, Priority level, java.lang.Object message, java.lang.Throwable throwable)
Instantiate a LoggingEvent from the supplied parameters. -
Uses of Category in org.apache.log4j.spi
Subclasses of Category in org.apache.log4j.spi Modifier and Type Class Description class
NOPLogger
No-operation implementation of Logger used by NOPLoggerRepository.class
RootCategory
Deprecated.Replaced byRootLogger
.class
RootLogger
RootLogger sits at the top of the logger hierachy.Methods in org.apache.log4j.spi that return Category Modifier and Type Method Description Category
LoggingEvent. getLogger()
Gets the logger of the event.Methods in org.apache.log4j.spi with parameters of type Category Modifier and Type Method Description void
HierarchyEventListener. addAppenderEvent(Category cat, Appender appender)
void
LoggerRepository. emitNoAppenderWarning(Category cat)
void
NOPLoggerRepository. emitNoAppenderWarning(Category cat)
void
LoggerRepository. fireAddAppenderEvent(Category logger, Appender appender)
void
NOPLoggerRepository. fireAddAppenderEvent(Category logger, Appender appender)
void
HierarchyEventListener. removeAppenderEvent(Category cat, Appender appender)
Constructors in org.apache.log4j.spi with parameters of type Category Constructor Description LoggingEvent(java.lang.String fqnOfCategoryClass, Category logger, long timeStamp, Level level, java.lang.Object message, java.lang.String threadName, ThrowableInformation throwable, java.lang.String ndc, LocationInfo info, java.util.Map properties)
Create new instance.LoggingEvent(java.lang.String fqnOfCategoryClass, Category logger, long timeStamp, Priority level, java.lang.Object message, java.lang.Throwable throwable)
Instantiate a LoggingEvent from the supplied parameters.LoggingEvent(java.lang.String fqnOfCategoryClass, Category logger, Priority level, java.lang.Object message, java.lang.Throwable throwable)
Instantiate a LoggingEvent from the supplied parameters.ThrowableInformation(java.lang.Throwable throwable, Category category)
Create a new instance.
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