Package org.dspace.submit.listener

Interface MetadataListener

All Known Implementing Classes:

SimpleMetadataListener

public interface MetadataListener

The interface to implement to support the ExtractMetadata enrichment step

Author:

Andrea Bollini (andrea.bollini at 4science.it)

Method Summary

Modifier and Type	Method	Description
ExternalDataObject	getExternalDataObject(Context context, Item item, Set<String> changedMetadata)	Retrieve an ExternalDataObject to enrich the current item using the current metadata and the information about which listened metadata are changed
Set<String>	getMetadataToListen()	Return the list of metadata that should be monitored as change to them could allow the service to retrieve an ExternalDataObject to enrich the current item

Method Details

getMetadataToListen

Set<String> getMetadataToListen()

Return the list of metadata that should be monitored as change to them could allow the service to retrieve an ExternalDataObject to enrich the current item

Returns:

the list of metadata to monitor

getExternalDataObject

ExternalDataObject getExternalDataObject(Context context,
 Item item,
 Set<String> changedMetadata)

Retrieve an ExternalDataObject to enrich the current item using the current metadata and the information about which listened metadata are changed

Parameters:

context - the DSpace Context Object

item - the item in its current status

changedMetadata - the list of listened metadata that are changed

Returns:

an ExternalDataObject that can be used to enrich the current item