Package org.duracloud.retrieval.source

Class DuraStoreStitchingRetrievalSource

java.lang.Object

org.duracloud.retrieval.source.DuraStoreRetrievalSource

org.duracloud.retrieval.source.DuraStoreStitchingRetrievalSource

All Implemented Interfaces:

RetrievalSource

Direct Known Subclasses:

DuraStoreSpecifiedRetrievalSource

public class DuraStoreStitchingRetrievalSource
extends DuraStoreRetrievalSource

This class implements the RetrievalSource interface with support for handling content that resides in DuraStore as chunks.

Author:

Andrew Woods Date: 9/5/11

Field Summary

Fields inherited from class org.duracloud.retrieval.source.DuraStoreRetrievalSource

contentStore, currentContentList, currentSpaceId, spaceIds

Constructor Summary

Constructors

Constructor	Description
DuraStoreStitchingRetrievalSource(ContentStore store, List<String> spaces, boolean allSpaces)

Method Summary

Modifier and Type	Method	Description
protected Content	doGetContent(ContentItem item, RetrievalListener listener)
protected Content	doGetContentFromManifest(ContentItem item, RetrievalListener listener)
ContentItem	getNextContentItem()	Provides the next content item to be processed, cycles through all spaces as necessary.
String	getSourceChecksum(ContentItem contentItem)	Provides the checksum of the specified source file based on the file's properties.

Methods inherited from class org.duracloud.retrieval.source.DuraStoreRetrievalSource

getNextSpace, getSourceContent, getSourceProperties, verifySpaceIds

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.duracloud.retrieval.source.RetrievalSource

getSourceContent

Constructor Detail

DuraStoreStitchingRetrievalSource

public DuraStoreStitchingRetrievalSource(ContentStore store,
                                         List<String> spaces,
                                         boolean allSpaces)

Method Detail

getNextContentItem

public ContentItem getNextContentItem()

Description copied from interface: RetrievalSource

Provides the next content item to be processed, cycles through all spaces as necessary. Returns null when there are no further content ids to process.

Specified by:

getNextContentItem in interface RetrievalSource

Overrides:

getNextContentItem in class DuraStoreRetrievalSource

Returns:

the next content item to be processed

getSourceChecksum

public String getSourceChecksum(ContentItem contentItem)

Description copied from interface: RetrievalSource

Provides the checksum of the specified source file based on the file's properties.

Specified by:

getSourceChecksum in interface RetrievalSource

Overrides:

getSourceChecksum in class DuraStoreRetrievalSource

Parameters:

contentItem - the file to consider

Returns:

MD5 checksum of the given file

doGetContent

protected Content doGetContent(ContentItem item,
                               RetrievalListener listener)

Overrides:

doGetContent in class DuraStoreRetrievalSource

doGetContentFromManifest

protected Content doGetContentFromManifest(ContentItem item,
                                           RetrievalListener listener)