Package fr.bl.drit.flow.agent

Class JsonlThreadRecorder

java.lang.Object

fr.bl.drit.flow.agent.JsonlThreadRecorder

All Implemented Interfaces:

Recorder, ThreadRecorder, Closeable, AutoCloseable

public final class JsonlThreadRecorder
extends Object
implements ThreadRecorder

Call tree JSONL recorder.

Each line is either:

• A method enter event: {"e":"enter","method":"<id>"}
• A method exit event: {"e":"exit"}

Constructor Summary

Constructors

Constructor	Description
JsonlThreadRecorder(Path outputDir)

Method Summary

Modifier and Type	Method	Description
void	close()
void	enter(long methodId)	Emit a method enter event with the given method ID.
void	exit()	Emit a method exit event.
String	getFileName()

Methods inherited from class java.lang.Object

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

Constructor Details

JsonlThreadRecorder

public JsonlThreadRecorder(Path outputDir)
                    throws IOException

Parameters:

outputDir - Path to output directory

Throws:

IOException - If an I/O error occurs when opening an output stream.

Method Details

getFileName

public String getFileName()

Returns:

The file name this recorder is writing to

enter

public void enter(long methodId)
           throws IOException

Description copied from interface: Recorder

Emit a method enter event with the given method ID.

Specified by:

enter in interface Recorder

Parameters:

methodId - The ID of the method to trace

Throws:

IOException - If an I/O error occurs when emitting the event.

exit

public void exit()
          throws IOException

Description copied from interface: Recorder

Emit a method exit event.

Specified by:

exit in interface Recorder

Throws:

IOException - If an I/O error occurs when emitting the event.

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException