Package org.dspace.eperson.service

Interface SubscribeService

All Known Implementing Classes:

SubscribeServiceImpl

public interface SubscribeService

Service interface class for the Subscription object. The implementation of this class is responsible for all business logic calls for the Subscription object and is autowired by spring Class defining methods for sending new item e-mail alerts to users

Author:

kevinvandevelde at atmire.com

Method Summary

Modifier and Type	Method	Description
Subscription	addSubscriptionParameter(Context context, Integer id, SubscriptionParameter subscriptionParameter)	Adds a parameter to a subscription
Long	countAll(Context context)	Counts all subscriptions
Long	countByEPersonAndDSO(Context context, EPerson ePerson, DSpaceObject dSpaceObject)	Counts all subscriptions by ePerson and DSO
Long	countSubscriptionsByEPerson(Context context, EPerson ePerson)	Counts all subscriptions by ePerson
void	deleteByDspaceObject(Context context, DSpaceObject dSpaceObject)	Delete subscription by collection.
void	deleteByEPerson(Context context, EPerson ePerson)	Delete subscription by eperson (subscriber).
void	deleteSubscription(Context context, Subscription subscription)	Deletes a subscription
List<Subscription>	findAll(Context context, String resourceType, Integer limit, Integer offset)	Subscribe an e-person to a collection.
List<Subscription>	findAllSubscriptionsBySubscriptionTypeAndFrequency(Context context, String subscriptionType, String frequencyValue)	Finds all subscriptions by subscriptionType and frequency
List<Collection>	findAvailableSubscriptions(Context context)	Find out which collections the currently logged in e-person can subscribe to
List<Collection>	findAvailableSubscriptions(Context context, EPerson eperson)	Find out which collections an e-person can subscribe to
Subscription	findById(Context context, int id)	Finds a subscription by id
List<Subscription>	findSubscriptionsByEPerson(Context context, EPerson eperson, Integer limit, Integer offset)	Find out which collections an e-person is subscribed to
List<Subscription>	findSubscriptionsByEPersonAndDso(Context context, EPerson eperson, DSpaceObject dSpaceObject, Integer limit, Integer offset)	Find out which collections an e-person is subscribed to and related with dso
boolean	isSubscribed(Context context, EPerson eperson, DSpaceObject dSpaceObject)	Is that e-person subscribed to that collection?
Subscription	removeSubscriptionParameter(Context context, Integer id, SubscriptionParameter subscriptionParam)	Deletes a parameter from subscription
Subscription	subscribe(Context context, EPerson eperson, DSpaceObject dSpaceObject, List<SubscriptionParameter> subscriptionParameters, String subscriptionType)	Subscribe an EPerson to a dSpaceObject (Collection or Community).
void	unsubscribe(Context context, EPerson eperson, DSpaceObject dSpaceObject)	Unsubscribe an e-person to a collection.
Subscription	updateSubscription(Context context, Integer id, String subscriptionType, List<SubscriptionParameter> subscriptionParameterList)	Updates a subscription by id

Method Details

findAll

List<Subscription> findAll(Context context,
 String resourceType,
 Integer limit,
 Integer offset)
                    throws Exception

Subscribe an e-person to a collection. An e-mail will be sent every day a new item appears in the collection.

Parameters:

context - DSpace context

limit - Number of subscriptions to return

offset - Offset number

Returns:

list of Subscription objects

Throws:

SQLException - An exception that provides information on a database access error or other errors.

Exception

subscribe

Subscription subscribe(Context context,
 EPerson eperson,
 DSpaceObject dSpaceObject,
 List<SubscriptionParameter> subscriptionParameters,
 String subscriptionType)
                throws SQLException,
AuthorizeException

Subscribe an EPerson to a dSpaceObject (Collection or Community). An e-mail will be sent every day a new item appears in the Collection or Community.

Parameters:

context - DSpace context object

eperson - EPerson to subscribe

dSpaceObject - DSpaceObject to subscribe

subscriptionParameters - list of @SubscriptionParameter

subscriptionType - Currently supported only "content"

Returns:

Throws:

SQLException - An exception that provides information on a database access error or other errors.

AuthorizeException - Exception indicating the current user of the context does not have permission to perform a particular action.

unsubscribe

void unsubscribe(Context context,
 EPerson eperson,
 DSpaceObject dSpaceObject)
          throws SQLException,
AuthorizeException

Unsubscribe an e-person to a collection. Passing in null for the collection unsubscribes the e-person from all collections they are subscribed to.

Parameters:

context - DSpace context

eperson - EPerson to unsubscribe

dSpaceObject - DSpaceObject to unsubscribe from

Throws:

SQLException - An exception that provides information on a database access error or other errors.

AuthorizeException - Exception indicating the current user of the context does not have permission to perform a particular action.

findSubscriptionsByEPerson

List<Subscription> findSubscriptionsByEPerson(Context context,
 EPerson eperson,
 Integer limit,
 Integer offset)
                                       throws SQLException

Find out which collections an e-person is subscribed to

Parameters:

context - DSpace context

eperson - EPerson

limit - Number of subscriptions to return

offset - Offset number

Returns:

array of collections e-person is subscribed to

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findSubscriptionsByEPersonAndDso

List<Subscription> findSubscriptionsByEPersonAndDso(Context context,
 EPerson eperson,
 DSpaceObject dSpaceObject,
 Integer limit,
 Integer offset)
                                             throws SQLException

Find out which collections an e-person is subscribed to and related with dso

Parameters:

context - DSpace context

eperson - EPerson

dSpaceObject - DSpaceObject

limit - Number of subscriptions to return

offset - Offset number

Returns:

array of collections e-person is subscribed to and related with dso

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findAvailableSubscriptions

List<Collection> findAvailableSubscriptions(Context context)
                                     throws SQLException

Find out which collections the currently logged in e-person can subscribe to

Parameters:

context - DSpace context

Returns:

array of collections the currently logged in e-person can subscribe to

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findAvailableSubscriptions

List<Collection> findAvailableSubscriptions(Context context,
 EPerson eperson)
                                     throws SQLException

Find out which collections an e-person can subscribe to

Parameters:

context - DSpace context

eperson - EPerson

Returns:

array of collections e-person can subscribe to

Throws:

SQLException - An exception that provides information on a database access error or other errors.

isSubscribed

boolean isSubscribed(Context context,
 EPerson eperson,
 DSpaceObject dSpaceObject)
              throws SQLException

Is that e-person subscribed to that collection?

Parameters:

context - DSpace context

eperson - find out if this e-person is subscribed

dSpaceObject - find out if subscribed to this dSpaceObject

Returns:

true if they are subscribed

Throws:

SQLException - An exception that provides information on a database access error or other errors.

deleteByDspaceObject

void deleteByDspaceObject(Context context,
 DSpaceObject dSpaceObject)
                   throws SQLException

Delete subscription by collection.

Parameters:

context - DSpace context

dSpaceObject - find out if subscribed to this dSpaceObject

Throws:

SQLException - An exception that provides information on a database access error or other errors.

deleteByEPerson

void deleteByEPerson(Context context,
 EPerson ePerson)
              throws SQLException

Delete subscription by eperson (subscriber).

Parameters:

context - DSpace context

ePerson - find out if this e-person is subscribed

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findById

Subscription findById(Context context,
 int id)
               throws SQLException

Finds a subscription by id

Parameters:

context - DSpace context

id - the id of subscription to be searched

Throws:

SQLException - An exception that provides information on a database access error or other errors.

updateSubscription

Subscription updateSubscription(Context context,
 Integer id,
 String subscriptionType,
 List<SubscriptionParameter> subscriptionParameterList)
                         throws SQLException

Updates a subscription by id

Parameters:

context - DSpace context

id - Integer id

subscriptionParameterList - List subscriptionParameterList

subscriptionType - type

Throws:

SQLException - An exception that provides information on a database access error or other errors.

addSubscriptionParameter

Subscription addSubscriptionParameter(Context context,
 Integer id,
 SubscriptionParameter subscriptionParameter)
                               throws SQLException

Adds a parameter to a subscription

Parameters:

context - DSpace context

id - Integer id

subscriptionParameter - SubscriptionParameter subscriptionParameter

Throws:

SQLException - An exception that provides information on a database access error or other errors.

removeSubscriptionParameter

Subscription removeSubscriptionParameter(Context context,
 Integer id,
 SubscriptionParameter subscriptionParam)
                                  throws SQLException

Deletes a parameter from subscription

Parameters:

context - DSpace context

id - Integer id

subscriptionParam - SubscriptionParameter subscriptionParameter

Throws:

SQLException - An exception that provides information on a database access error or other errors.

deleteSubscription

void deleteSubscription(Context context,
 Subscription subscription)
                 throws SQLException

Deletes a subscription

Parameters:

context - DSpace context

subscription - The subscription to delete

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findAllSubscriptionsBySubscriptionTypeAndFrequency

List<Subscription> findAllSubscriptionsBySubscriptionTypeAndFrequency(Context context,
 String subscriptionType,
 String frequencyValue)
                                                               throws SQLException

Finds all subscriptions by subscriptionType and frequency

Parameters:

context - DSpace context

subscriptionType - Could be "content" or "statistics". NOTE: in DSpace we have only "content"

frequencyValue - Could be "D" stand for Day, "W" stand for Week, and "M" stand for Month

Throws:

SQLException - An exception that provides information on a database access error or other errors.

countAll

Long countAll(Context context)
       throws SQLException

Counts all subscriptions

Parameters:

context - DSpace context

Throws:

SQLException

countSubscriptionsByEPerson

Long countSubscriptionsByEPerson(Context context,
 EPerson ePerson)
                          throws SQLException

Counts all subscriptions by ePerson

Parameters:

context - DSpace context

ePerson - EPerson ePerson

Throws:

SQLException

countByEPersonAndDSO

Long countByEPersonAndDSO(Context context,
 EPerson ePerson,
 DSpaceObject dSpaceObject)
                   throws SQLException

Counts all subscriptions by ePerson and DSO

Parameters:

context - DSpace context

ePerson - EPerson ePerson

dSpaceObject - DSpaceObject dSpaceObject

Throws:

SQLException