alluxio.recorder

Class Recorder

java.lang.Object

alluxio.recorder.Recorder

Direct Known Subclasses:

NoopRecorder

@NotThreadSafe
public class Recorder
extends Object

A tool for recording information, which can be used to record the process of execution.

Constructor Summary

Constructors

Constructor and Description
Recorder() Constructs a new instance.

Method Summary

Modifier and Type	Method and Description
static Recorder	noopRecorder() Gets a NoopRecorder that does not actually record anything.
void	record(String message) Records a message.
void	record(String format, Object... arguments) Records a message with a format template and arguments.
List<String>	takeRecords() Gets and clears the records recorded so far.

Methods inherited from class java.lang.Object

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

Constructor Detail

Recorder

public Recorder()

Constructs a new instance.

Method Detail

record

public void record(String message)

Records a message.

Parameters:

message - message

record

public void record(String format,
                   Object... arguments)

Records a message with a format template and arguments.

Parameters:

format - the message format string

arguments - the message string to be recorded

takeRecords

public List<String> takeRecords()

Gets and clears the records recorded so far. After this, the recorder is empty.

Returns:

the records

noopRecorder

public static Recorder noopRecorder()

Gets a NoopRecorder that does not actually record anything.

Returns:

a NoopRecorder instance