org.flowable.content.engine.impl.fs

Class FileSystemContentStorage

java.lang.Object

org.flowable.content.engine.impl.fs.FileSystemContentStorage

All Implemented Interfaces:

ContentStorage

public class FileSystemContentStorage
extends Object
implements ContentStorage

Note that this implementation of the ContentStorage interface doesn't do anything with the passed metadata, nor returns it when requested!

Author:

Frederik Heremans, Joram Barrez

Constructor Summary

Constructors

Constructor and Description
FileSystemContentStorage(File contentFolderRoot, int blockSize, int depth)

Method Summary

Modifier and Type	Method and Description
ContentObject	createContentObject(InputStream contentStream, Map<String,Object> metaData)
void	deleteContentObject(String id)
protected BigInteger	fetchNewId()
ContentObject	getContentObject(String id)
String	getContentStoreName()
protected File	getFileForId(String id, boolean shouldExist)
protected File	getFirstAvailableFolder(int maxRetries)
protected File	getMaxChild(File file)
Map<String,Object>	getMetaData()
ContentObject	updateContentObject(String id, InputStream contentStream, Map<String,Object> metaData)

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSystemContentStorage

public FileSystemContentStorage(File contentFolderRoot,
                                int blockSize,
                                int depth)

Parameters:

contentFolderRoot - root folder where all content will be stored in

blockSize - max size of a single folder's children

depth - depth of the tree created to store content in

See Also:

PathConverter

Method Detail

createContentObject

public ContentObject createContentObject(InputStream contentStream,
                                         Map<String,Object> metaData)

Specified by:

createContentObject in interface ContentStorage

getContentObject

public ContentObject getContentObject(String id)

Specified by:

getContentObject in interface ContentStorage

getMetaData

public Map<String,Object> getMetaData()

Specified by:

getMetaData in interface ContentStorage

updateContentObject

public ContentObject updateContentObject(String id,
                                         InputStream contentStream,
                                         Map<String,Object> metaData)

Specified by:

updateContentObject in interface ContentStorage

deleteContentObject

public void deleteContentObject(String id)

Specified by:

deleteContentObject in interface ContentStorage

getContentStoreName

public String getContentStoreName()

Specified by:

getContentStoreName in interface ContentStorage

getFileForId

protected File getFileForId(String id,
                            boolean shouldExist)

Returns:

a file reference for the given id, checking for existence based on the given flag.

fetchNewId

protected BigInteger fetchNewId()

getFirstAvailableFolder

protected File getFirstAvailableFolder(int maxRetries)

getMaxChild

protected File getMaxChild(File file)