eu.dnetlib.enabling.is.sn

Interface SubscriptionDAO<T>

Type Parameters:

T - subscription type

All Known Subinterfaces:

ResourceStateSubscriptionDAO

All Known Implementing Classes:

HibernateResourceStateSubscriptionDAOImpl, MemoryResourceStateSubscriptionDAOImpl

public interface SubscriptionDAO<T>

Stores subscriptions.

Author:

marko

Method Summary

Modifier and Type	Method and Description
void	addSubscription(T subscription) add a new subscription to the subscription store.
T	getSubscription(String subscriptionId) get a particular subscription.
Collection<T>	listSubscriptions() lists all subscriptions.
Collection<T>	listSubscriptions(String prefix) lists all subscriptions for a given prefix.
boolean	removeSubscription(String subscriptionId) removes a particular subscription.

Method Detail

addSubscription

void addSubscription(T subscription)

add a new subscription to the subscription store. TODO: throw some exception on already existing subscription

Parameters:

subscription - subscription

getSubscription

T getSubscription(String subscriptionId)

get a particular subscription.

Parameters:

subscriptionId - identifier

Returns:

null if none

listSubscriptions

Collection<T> listSubscriptions()

lists all subscriptions.

Returns:

all subscriptions

listSubscriptions

Collection<T> listSubscriptions(String prefix)

lists all subscriptions for a given prefix.

Parameters:

prefix - topic expression prefix

Returns:

all matching subscriptions

removeSubscription

boolean removeSubscription(String subscriptionId)

removes a particular subscription.

Parameters:

subscriptionId - identifier

Returns:

true if successful