Module io.helidon.config

Package io.helidon.config

Class MutabilitySupport

java.lang.Object

io.helidon.config.MutabilitySupport

public final class MutabilitySupport
extends Object

Mutability support for file based sources.

Provides support for polling based strategy (poll(java.nio.file.Path, java.time.Duration, java.util.function.Consumer, java.util.function.Consumer)) and for file watching (watch(java.nio.file.Path, java.util.function.Consumer, java.util.function.Consumer)).

Method Summary

Modifier and Type	Method	Description
static Runnable	poll(Path path, Duration duration, Consumer<Path> updater, Consumer<Path> cleaner)	Start polling for changes.
static Runnable	watch(Path path, Consumer<Path> updater, Consumer<Path> cleaner)	Start watching a file for changes.

Methods inherited from class java.lang.Object

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

Method Detail

poll

public static Runnable poll(Path path,
                            Duration duration,
                            Consumer<Path> updater,
                            Consumer<Path> cleaner)

Start polling for changes.

Parameters:

path - path to watch

duration - duration of polling

updater - consumer that reads the file content and updates properties (in case file is changed)

cleaner - runnable to clean the properties (in case file is deleted)

Returns:

runnable to stop the file watcher

watch

public static Runnable watch(Path path,
                             Consumer<Path> updater,
                             Consumer<Path> cleaner)

Start watching a file for changes.

Parameters:

path - path to watch

updater - consumer that reads the file content and updates properties

cleaner - runnable to clean the properties (in case file is deleted)

Returns:

runnable to stop the file watcher