Package org.forgerock.audit.events.handlers.writers

Class AsynchronousTextWriter

java.lang.Object

org.forgerock.audit.events.handlers.writers.AsynchronousTextWriter

All Implemented Interfaces:

TextWriter

public class AsynchronousTextWriter
extends Object
implements TextWriter

A Text Writer which writes log records asynchronously to character-based stream.

The records are buffered in a queue and written asynchronously. If maximum CAPACITY of the queue is reached, then calls to write() method are blocked. This prevent OOM errors while allowing good write performances.

Nested Class Summary

Nested classes/interfaces inherited from interface org.forgerock.audit.events.handlers.writers.TextWriter

TextWriter.Stream

Constructor Summary

Constructors

Constructor	Description
AsynchronousTextWriter(String name, boolean autoFlush, TextWriter writer)	Construct a new AsynchronousTextWriter wrapper.

Method Summary

Modifier and Type	Method	Description
void	flush()	Flushes any buffered contents of the output stream.
long	getBytesWritten()	Retrieves the number of bytes written by this writer.
TextWriter	getWrappedWriter()	Retrieves the wrapped writer.
void	shutdown()	Releases any resources held by the writer.
void	shutdown(boolean shutdownWrapped)	Releases any resources held by the writer.
void	write(String record)	Write the log record asynchronously.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AsynchronousTextWriter

public AsynchronousTextWriter(String name,
                              boolean autoFlush,
                              TextWriter writer)

Construct a new AsynchronousTextWriter wrapper.

Parameters:

name - the name of the thread.

autoFlush - indicates if the underlying writer should be flushed after the queue is flushed.

writer - a character stream used for output.

Method Detail

write

public void write(String record)
           throws IOException

Write the log record asynchronously.

Specified by:

write in interface TextWriter

Parameters:

record - the log record to write.

Throws:

IOException - If a problem occurs.

flush

public void flush()

Description copied from interface: TextWriter

Flushes any buffered contents of the output stream.

Specified by:

flush in interface TextWriter

getBytesWritten

public long getBytesWritten()

Retrieves the number of bytes written by this writer.

Specified by:

getBytesWritten in interface TextWriter

Returns:

the number of bytes written by this writer.

getWrappedWriter

public TextWriter getWrappedWriter()

Retrieves the wrapped writer.

Returns:

The wrapped writer used by this asynchronous writer.

shutdown

public void shutdown()

Releases any resources held by the writer.

Specified by:

shutdown in interface TextWriter

shutdown

public void shutdown(boolean shutdownWrapped)

Releases any resources held by the writer.

Parameters:

shutdownWrapped - If the wrapped writer should be closed as well.