Package org.dspace.harvest

Class HarvestedCollectionServiceImpl

java.lang.Object

org.dspace.harvest.HarvestedCollectionServiceImpl

All Implemented Interfaces:

HarvestedCollectionService

public class HarvestedCollectionServiceImpl
extends Object
implements HarvestedCollectionService

Service implementation for the HarvestedCollection object. This class is responsible for all business logic calls for the HarvestedCollection object and is autowired by spring. This class should never be accessed directly.

Author:

kevinvandevelde at atmire.com

Field Summary

Fields

Modifier and Type	Field	Description
protected HarvestedCollectionDAO	harvestedCollectionDAO

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	HarvestedCollectionServiceImpl()

Method Summary

Modifier and Type	Method	Description
HarvestedCollection	create(Context context, Collection collection)	Create a new harvest instance row for a specified collection.
void	delete(Context context, HarvestedCollection harvestedCollection)
boolean	exists(Context context)
HarvestedCollection	find(Context context, Collection collection)	Find the harvest settings corresponding to this collection
List<HarvestedCollection>	findAll(Context context)	Find all collections that are set up for harvesting
List<HarvestedCollection>	findByStatus(Context context, int status)	Find all collections with the specified status flag.
HarvestedCollection	findNewestHarvest(Context context)	Find the collection that was harvested most recently.
HarvestedCollection	findOldestHarvest(Context context)	Find the collection that was harvested the longest time ago.
List<HarvestedCollection>	findReady(Context context)	Find all collections that are ready for harvesting
boolean	isHarvestable(Context context, Collection collection)	Returns whether the specified collection is harvestable, i.e.
boolean	isHarvestable(HarvestedCollection harvestedCollection)	Returns whether this harvest instance is actually harvestable, i.e.
boolean	isReady(Context context, Collection collection)	Returns whether the specified collection is ready for immediate harvest.
boolean	isReady(HarvestedCollection harvestedCollection)	Returns whether the specified collection is ready for immediate harvest.
void	update(Context context, HarvestedCollection harvestedCollection)
List<String>	verifyOAIharvester(String oaiSource, String oaiSetId, String metaPrefix, boolean testORE)	Verify the existence of an OAI server with the specified set and supporting the provided metadata formats.

Methods inherited from class java.lang.Object

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

Field Detail

harvestedCollectionDAO

@Autowired(required=true)
protected HarvestedCollectionDAO harvestedCollectionDAO

Constructor Detail

HarvestedCollectionServiceImpl

protected HarvestedCollectionServiceImpl()

Method Detail

find

public HarvestedCollection find(Context context,
                                Collection collection)
                         throws SQLException

Description copied from interface: HarvestedCollectionService

Find the harvest settings corresponding to this collection

Specified by:

find in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

collection - target collection

Returns:

a HarvestInstance object corresponding to this collection's settings, null if not found.

Throws:

SQLException - if database error

create

public HarvestedCollection create(Context context,
                                  Collection collection)
                           throws SQLException

Description copied from interface: HarvestedCollectionService

Create a new harvest instance row for a specified collection.

Specified by:

create in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

collection - target collection

Returns:

a new HarvestInstance object

Throws:

SQLException - if database error

isHarvestable

public boolean isHarvestable(Context context,
                             Collection collection)
                      throws SQLException

Description copied from interface: HarvestedCollectionService

Returns whether the specified collection is harvestable, i.e. whether its harvesting options are set up correctly. This is distinct from "ready", since this collection may be in process of being harvested.

Specified by:

isHarvestable in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

collection - target collection

Returns:

is collection harvestable?

Throws:

SQLException - if database error

isHarvestable

public boolean isHarvestable(HarvestedCollection harvestedCollection)
                      throws SQLException

Description copied from interface: HarvestedCollectionService

Returns whether this harvest instance is actually harvestable, i.e. whether its settings options are set up correctly. This is distinct from "ready", since this collection may be in process of being harvested.

Specified by:

isHarvestable in interface HarvestedCollectionService

Parameters:

harvestedCollection - collection to be harvested

Returns:

is collection harvestable?

Throws:

SQLException - if database error

isReady

public boolean isReady(Context context,
                       Collection collection)
                throws SQLException

Description copied from interface: HarvestedCollectionService

Returns whether the specified collection is ready for immediate harvest.

Specified by:

isReady in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

collection - collection to be harvested

Returns:

is collection ready for immediate harvest?

Throws:

SQLException - if database error

isReady

public boolean isReady(HarvestedCollection harvestedCollection)
                throws SQLException

Description copied from interface: HarvestedCollectionService

Returns whether the specified collection is ready for immediate harvest.

Specified by:

isReady in interface HarvestedCollectionService

Parameters:

harvestedCollection - collection to be harvested

Returns:

is collection ready for immediate harvest?

Throws:

SQLException - if database error

findAll

public List<HarvestedCollection> findAll(Context context)
                                  throws SQLException

Description copied from interface: HarvestedCollectionService

Find all collections that are set up for harvesting

Specified by:

findAll in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

Returns:

list of collection id's

Throws:

SQLException - if database error

findReady

public List<HarvestedCollection> findReady(Context context)
                                    throws SQLException

Description copied from interface: HarvestedCollectionService

Find all collections that are ready for harvesting

Specified by:

findReady in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

Returns:

list of collection id's

Throws:

SQLException - if database error

findByStatus

public List<HarvestedCollection> findByStatus(Context context,
                                              int status)
                                       throws SQLException

Description copied from interface: HarvestedCollectionService

Find all collections with the specified status flag.

Specified by:

findByStatus in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

status - see HarvestInstance.STATUS_...

Returns:

all collections with the specified status flag

Throws:

SQLException - if database error

findOldestHarvest

public HarvestedCollection findOldestHarvest(Context context)
                                      throws SQLException

Description copied from interface: HarvestedCollectionService

Find the collection that was harvested the longest time ago.

Specified by:

findOldestHarvest in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

Returns:

collection that was harvested the longest time ago

Throws:

SQLException - if database error

findNewestHarvest

public HarvestedCollection findNewestHarvest(Context context)
                                      throws SQLException

Description copied from interface: HarvestedCollectionService

Find the collection that was harvested most recently.

Specified by:

findNewestHarvest in interface HarvestedCollectionService

Parameters:

context - The relevant DSpace Context.

Returns:

collection that was harvested most recently

Throws:

SQLException - if database error

delete

public void delete(Context context,
                   HarvestedCollection harvestedCollection)
            throws SQLException

Specified by:

delete in interface HarvestedCollectionService

Throws:

SQLException

update

public void update(Context context,
                   HarvestedCollection harvestedCollection)
            throws SQLException

Specified by:

update in interface HarvestedCollectionService

Throws:

SQLException

exists

public boolean exists(Context context)
               throws SQLException

Specified by:

exists in interface HarvestedCollectionService

Throws:

SQLException

verifyOAIharvester

public List<String> verifyOAIharvester(String oaiSource,
                                       String oaiSetId,
                                       String metaPrefix,
                                       boolean testORE)

Verify the existence of an OAI server with the specified set and supporting the provided metadata formats.

Specified by:

verifyOAIharvester in interface HarvestedCollectionService

Parameters:

oaiSource - the address of the OAI-PMH provider

oaiSetId - OAI set identifier

metaPrefix - OAI metadataPrefix

testORE - whether the method should also check the PMH provider for ORE support

Returns:

list of errors encountered during verification. Empty list indicates a "success" condition.