sbt.io

WatchService

trait WatchService extends AnyRef

A service that will monitor the file system for file creation, deletion and modification.

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AnyRef, Any
Known Subclasses
PollingWatchService, WatchServiceAdapter
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Abstract Value Members

  1. abstract def close(): Unit

    Closes this WatchService.

  2. abstract def init(): Unit

    Initializes the watchservice.

  3. abstract def poll(timeout: Duration): WatchKey

    Retrieves the next WatchKey that has a WatchEvent waiting.

    Retrieves the next WatchKey that has a WatchEvent waiting. Waits until the timeout is expired is no such key exists.

    timeout

    Maximum time to wait

    returns

    The next WatchKey that received an event, or null if no such key exists.

  4. abstract def pollEvents(): Map[WatchKey, Seq[WatchEvent[Path]]]

    Retrieves all the events and groups them by watch key.

    Retrieves all the events and groups them by watch key. Does not wait if no event is available.

    returns

    The pending events.

  5. abstract def register(path: Path, events: Kind[Path]*): WatchKey

    Registers a path to be monitored.

    Registers a path to be monitored.

    path

    The path to monitor.

    events

    The events that should be registered.

    returns

    A WatchKey, that represents a token of registration.

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