Package org.apache.lucene.mockfile

Class FilterFileStore

java.lang.Object

java.nio.file.FileStore

org.apache.lucene.mockfile.FilterFileStore

public abstract class FilterFileStore
extends FileStore

A FilterFileStore contains another FileStore, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.

Field Summary

Fields

Modifier and Type	Field	Description
protected FileStore	delegate	The underlying FileStore instance.
protected String	scheme	URI scheme used for this instance.

Constructor Summary

Constructors

Constructor	Description
FilterFileStore(FileStore delegate, String scheme)	Construct a FilterFileStore based on the specified base store.

Method Summary

Modifier and Type	Method	Description
Object	getAttribute(String attribute)
<V extends FileStoreAttributeView> V	getFileStoreAttributeView(Class<V> type)
long	getTotalSpace()
long	getUnallocatedSpace()
long	getUsableSpace()
boolean	isReadOnly()
String	name()
boolean	supportsFileAttributeView(Class<? extends FileAttributeView> type)
boolean	supportsFileAttributeView(String name)
String	toString()
String	type()

Methods inherited from class java.nio.file.FileStore

getBlockSize

Methods inherited from class java.lang.Object

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

Field Detail

delegate

protected final FileStore delegate

The underlying FileStore instance.

scheme

protected final String scheme

URI scheme used for this instance.

Constructor Detail

FilterFileStore

public FilterFileStore(FileStore delegate,
                       String scheme)

Construct a FilterFileStore based on the specified base store.

Parameters:

delegate - specified base store.

scheme - URI scheme identifying this instance.

Method Detail

name

public String name()

Specified by:

name in class FileStore

type

public String type()

Specified by:

type in class FileStore

toString

public String toString()

Overrides:

toString in class Object

isReadOnly

public boolean isReadOnly()

Specified by:

isReadOnly in class FileStore

getTotalSpace

public long getTotalSpace()
                   throws IOException

Specified by:

getTotalSpace in class FileStore

Throws:

IOException

getUsableSpace

public long getUsableSpace()
                    throws IOException

Specified by:

getUsableSpace in class FileStore

Throws:

IOException

getUnallocatedSpace

public long getUnallocatedSpace()
                         throws IOException

Specified by:

getUnallocatedSpace in class FileStore

Throws:

IOException

supportsFileAttributeView

public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type)

Specified by:

supportsFileAttributeView in class FileStore

supportsFileAttributeView

public boolean supportsFileAttributeView(String name)

Specified by:

supportsFileAttributeView in class FileStore

getFileStoreAttributeView

public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type)

Specified by:

getFileStoreAttributeView in class FileStore

getAttribute

public Object getAttribute(String attribute)
                    throws IOException

Specified by:

getAttribute in class FileStore

Throws:

IOException