com.github.robtimus.filesystems

Class FileSystemMap.FileSystemStatus<S extends FileSystem>

java.lang.Object

com.github.robtimus.filesystems.FileSystemMap.FileSystemStatus<S>

Type Parameters:

S - The type of file system.

Enclosing class:

FileSystemMap<S extends FileSystem>

public static final class FileSystemMap.FileSystemStatus<S extends FileSystem>
extends Object

The status for a file system. There are three different possibilities:

• The file system was not found or has already been removed. isNotFound() will return true and fileSystem() will return Optional.empty().
• The file system is still being created through FileSystemMap.add(URI, Map) or FileSystemMap.addIfNotExists(URI, Map). isNotFound() will return false and fileSystem() will return Optional.empty().
• The file system has already been created through FileSystemMap.add(URI, Map) or FileSystemMap.addIfNotExists(URI, Map). isNotFound() will return false and fileSystem() will return a non-empty Optional.

Author:

Rob Spoor

Since:

2.3

Method Summary

Modifier and Type	Method and Description
Optional<S>	fileSystem() Returns the file system if available.
boolean	isNotFound() Returns whether or not the file system was found.

Methods inherited from class java.lang.Object

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

Method Detail

isNotFound

public boolean isNotFound()

Returns whether or not the file system was found. A false value means that the file system either has already been created, or is still being created.

Returns:

true if the file system was not found, or false otherwise.

fileSystem

public Optional<S> fileSystem()

Returns the file system if available.

Returns:

An Optional describing the file system if it has already been created, or Optional.empty() if it is still being created or was not found.