Package org.apache.nifi.runtime.command

Class DiagnosticsCommand

java.lang.Object

org.apache.nifi.runtime.command.DiagnosticsCommand

All Implemented Interfaces:

Runnable

public class DiagnosticsCommand
extends Object
implements Runnable

Diagnostics Command abstracted for invocation in Shutdown Command

Field Summary

Fields

Modifier and Type	Field	Description
private static final DateTimeFormatter	DATE_TIME_FORMATTER
private static final String	DIAGNOSTICS_FILE_FORMAT
private static final org.slf4j.Logger	logger
private final NiFiProperties	properties
private final NiFiServer	server

Constructor Summary

Constructors

Constructor	Description
DiagnosticsCommand(NiFiProperties properties, NiFiServer server)

Method Summary

Modifier and Type	Method	Description
private long	getDirectorySize(Path path)
private ToLongFunction<Path>	getFileSizeByPathFunction()
private Path	getOldestFile(File diagnosticDirectory)
private boolean	isFileCountExceeded(File diagnosticDirectory, int maxFileCount)
private boolean	isSizeExceeded(File diagnosticDirectory, long maxSizeInBytes)
private void	purgeOldestFiles(File diagnosticDirectory)
void	run()
private void	writeDiagnostics(File diagnosticsPath)

Methods inherited from class java.lang.Object

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

Field Details

logger

private static final org.slf4j.Logger logger

DATE_TIME_FORMATTER

private static final DateTimeFormatter DATE_TIME_FORMATTER

DIAGNOSTICS_FILE_FORMAT

private static final String DIAGNOSTICS_FILE_FORMAT

See Also:

• Constant Field Values

properties

private final NiFiProperties properties

server

private final NiFiServer server

Constructor Details

DiagnosticsCommand

public DiagnosticsCommand(NiFiProperties properties,
 NiFiServer server)

Method Details

run

public void run()

Specified by:

run in interface Runnable

purgeOldestFiles

private void purgeOldestFiles(File diagnosticDirectory)

writeDiagnostics

private void writeDiagnostics(File diagnosticsPath)

getOldestFile

private Path getOldestFile(File diagnosticDirectory)
                    throws IOException

Throws:

IOException

isFileCountExceeded

private boolean isFileCountExceeded(File diagnosticDirectory,
 int maxFileCount)

isSizeExceeded

private boolean isSizeExceeded(File diagnosticDirectory,
 long maxSizeInBytes)

getDirectorySize

private long getDirectorySize(Path path)

getFileSizeByPathFunction

private ToLongFunction<Path> getFileSizeByPathFunction()