org.apache.nifi.nar

Class NarAutoLoaderTask

java.lang.Object

org.apache.nifi.nar.NarAutoLoaderTask

All Implemented Interfaces:

Runnable

public class NarAutoLoaderTask
extends Object
implements Runnable

The runnable task that polls the WatchService for new NAR files found in the auto-load directory. Each new NAR file found will be passed to the NarLoader to be unpacked and loaded into the ExtensionManager.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NarAutoLoaderTask.Builder Builder for NarAutoLoaderTask.

Field Summary

Fields

Modifier and Type	Field and Description
private Path	autoLoadPath
private List<File>	candidateNars
private static org.slf4j.Logger	LOGGER
private static long	MIN_FILE_AGE
private NarLoader	narLoader
private long	pollIntervalMillis
private boolean	stopped
private WatchService	watchService

Constructor Summary

Constructors

Modifier	Constructor and Description
private	NarAutoLoaderTask(NarAutoLoaderTask.Builder builder)

Method Summary

Modifier and Type	Method and Description
void	run()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final org.slf4j.Logger LOGGER

MIN_FILE_AGE

private static final long MIN_FILE_AGE

See Also:

Constant Field Values

autoLoadPath

private final Path autoLoadPath

watchService

private final WatchService watchService

pollIntervalMillis

private final long pollIntervalMillis

narLoader

private final NarLoader narLoader

candidateNars

private final List<File> candidateNars

stopped

private volatile boolean stopped

Constructor Detail

NarAutoLoaderTask

private NarAutoLoaderTask(NarAutoLoaderTask.Builder builder)

Method Detail

run

public void run()

Specified by:

run in interface Runnable

stop

public void stop()