Package org.springframework.integration.file.filters

Class FileSystemPersistentAcceptOnceFileListFilter

java.lang.Object

org.springframework.integration.file.filters.AbstractFileListFilter<F>

org.springframework.integration.file.filters.AbstractDirectoryAwareFileListFilter<F>

org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter<java.io.File>

org.springframework.integration.file.filters.FileSystemPersistentAcceptOnceFileListFilter

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, FileListFilter<java.io.File>, ResettableFileListFilter<java.io.File>, ReversibleFileListFilter<java.io.File>

public class FileSystemPersistentAcceptOnceFileListFilter
extends AbstractPersistentAcceptOnceFileListFilter<java.io.File>

Since:

3.0

Field Summary

Fields inherited from class org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter

flushableStore, flushOnUpdate, prefix, store

Constructor Summary

Constructors

Constructor	Description
FileSystemPersistentAcceptOnceFileListFilter(org.springframework.integration.metadata.ConcurrentMetadataStore store, java.lang.String prefix)

Method Summary

Modifier and Type	Method	Description
protected java.lang.String	fileName(java.io.File file)
protected boolean	fileStillExists(java.io.File file)	Check that the file still exists, to avoid a race condition when multi-threaded and another thread removed the file while we were waiting for the lock.
protected boolean	isDirectory(java.io.File file)	Subclasses must implement this method to indicate whether the file is a directory or not.
protected long	modified(java.io.File file)

Methods inherited from class org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter

accept, buildKey, close, flushIfNeeded, isEqual, remove, rollback, setFlushOnUpdate

Methods inherited from class org.springframework.integration.file.filters.AbstractDirectoryAwareFileListFilter

alwaysAccept, isForRecursion, setAlwaysAcceptDirectories, setForRecursion

Methods inherited from class org.springframework.integration.file.filters.AbstractFileListFilter

filterFiles, supportsSingleFileFiltering

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.springframework.integration.file.filters.FileListFilter

filterFiles, isForRecursion, supportsSingleFileFiltering

Constructor Details

FileSystemPersistentAcceptOnceFileListFilter

public FileSystemPersistentAcceptOnceFileListFilter(org.springframework.integration.metadata.ConcurrentMetadataStore store, java.lang.String prefix)

Method Details

modified

protected long modified(java.io.File file)

Specified by:

modified in class AbstractPersistentAcceptOnceFileListFilter<java.io.File>

fileName

protected java.lang.String fileName(java.io.File file)

Specified by:

fileName in class AbstractPersistentAcceptOnceFileListFilter<java.io.File>

fileStillExists

protected boolean fileStillExists(java.io.File file)

Check that the file still exists, to avoid a race condition when multi-threaded and another thread removed the file while we were waiting for the lock.

Overrides:

fileStillExists in class AbstractPersistentAcceptOnceFileListFilter<java.io.File>

Parameters:

file - the file.

Returns:

true if the filter should return true.

Since:

4.3.19

isDirectory

protected boolean isDirectory(java.io.File file)

Description copied from class: AbstractDirectoryAwareFileListFilter

Subclasses must implement this method to indicate whether the file is a directory or not.

Overrides:

isDirectory in class AbstractPersistentAcceptOnceFileListFilter<java.io.File>

Parameters:

file - the file.

Returns:

true if it's a directory.