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# RollingFileAppenderSkeleton Class Reference

Inherits FileAppender.

Inherited by DailyRollingFileAppender, RollingFileAppender, and RollingFileAppender.

List of all members.

## Detailed Description

Base class for log4cxx::rolling::RollingFileAppender and log4cxx::RollingFileAppender (analogues of org.apache.log4j.rolling.RFA from extras companion and org.apache.log4j.RFA from log4j 1.2, respectively).

## Public Member Functions

| RollingFileAppenderSkeleton ()
| The default constructor simply calls its parents constructor.
void | activateOptions (log4cxx::helpers::Pool &)
bool | rollover (log4cxx::helpers::Pool &p)
| Implements the usual roll over behaviour.
void | close ()
| Close appender.
size_t | getFileLength () const
| Get byte length of current active log file.
void | incrementFileLength (size_t increment)
| Increments estimated byte length of current active log file.

## Protected Member Functions

virtual void | subAppend (const spi::LoggingEventPtr &event, log4cxx::helpers::Pool &p)
| Actual writing occurs here.
RollingPolicyPtr | getRollingPolicy () const
TriggeringPolicyPtr | getTriggeringPolicy () const
void | setRollingPolicy (const RollingPolicyPtr &policy)
| Sets the rolling policy.
void | setTriggeringPolicy (const TriggeringPolicyPtr &policy)
log4cxx::helpers::WriterPtr | createWriter (log4cxx::helpers::OutputStreamPtr &os)
| Returns an OutputStreamWriter when passed an OutputStream.

## Constructor & Destructor Documentation

RollingFileAppenderSkeleton | ( |  | ) |

| The default constructor simply calls its parents constructor.

## Member Function Documentation

void activateOptions | ( | log4cxx::helpers::Pool & |  | ) | `[virtual]`

| Sets and opens the file where the log output will go. The specified file must be writable. If there was already an opened file, then the previous file is closed first. Reimplemented from FileAppender. Reimplemented in DailyRollingFileAppender, and RollingFileAppender.

void close | ( |  | ) | `[virtual]`

| Close appender. Waits for any asynchronous file compression actions to be completed. Reimplemented from WriterAppender.

log4cxx::helpers::WriterPtr createWriter | ( | log4cxx::helpers::OutputStreamPtr & | os | ) | `[protected, virtual]`

| Returns an OutputStreamWriter when passed an OutputStream. The encoding used will depend on the value of the `encoding` property. If the encoding value is specified incorrectly the writer will be opened using the default system encoding (an error message will be printed to the loglog.

Parameters:

  | os | output stream, may not be null.

Returns:
  new writer.

Reimplemented from WriterAppender.

size_t getFileLength | ( |  | ) | const

| Get byte length of current active log file.

Returns:
  byte length of current active log file.

RollingPolicyPtr getRollingPolicy | ( |  | ) | const`[protected]`

TriggeringPolicyPtr getTriggeringPolicy | ( |  | ) | const`[protected]`

void incrementFileLength | ( | size_t | increment | ) |

| Increments estimated byte length of current active log file.

Parameters:

  | increment | additional bytes written to log file.

bool rollover | ( | log4cxx::helpers::Pool & | p | ) |

| Implements the usual roll over behaviour. If `MaxBackupIndex` is positive, then files {`File.1`, ..., `File.MaxBackupIndex -1`} are renamed to {`File.2`, ..., `File.MaxBackupIndex`}. Moreover, `File` is renamed `File.1` and closed. A new `File` is created to receive further log output.

If `MaxBackupIndex` is equal to zero, then the `File` is truncated with no backup files created.

void setRollingPolicy | ( | const RollingPolicyPtr & | policy | ) | `[protected]`

| Sets the rolling policy. In case the 'policy' argument also implements TriggeringPolicy, then the triggering policy for this appender is automatically set to be the policy argument.

Parameters:

  | policy |

void setTriggeringPolicy | ( | const TriggeringPolicyPtr & | policy | ) | `[protected]`

virtual void subAppend | ( | const spi::LoggingEventPtr & | event,
|  | log4cxx::helpers::Pool & | p
| ) | `[protected, virtual]`

| Actual writing occurs here. Reimplemented from WriterAppender.

The documentation for this class was generated from the following file:

- rollingfileappenderskeleton.h