eu.dnetlib.enabling.is.sn.resourcestate

Class ResourceStateSubscriptionRegistry

java.lang.Object

eu.dnetlib.enabling.is.sn.AbstractSubscriptionRegistry

eu.dnetlib.enabling.is.sn.resourcestate.ResourceStateSubscriptionRegistry

All Implemented Interfaces:

SubscriptionRegistry

public class ResourceStateSubscriptionRegistry
extends AbstractSubscriptionRegistry
implements SubscriptionRegistry

Manage subscription for UPDATE/CREATE/DELETE resource-related topic prefixes.

Author:

marko

Constructor Summary

Constructors

Constructor and Description
ResourceStateSubscriptionRegistry()

Method Summary

Modifier and Type	Method and Description
protected Collection<String>	getAcceptedPrefixes() A collection of accepted prefixes.
ResourceStateSubscriptionDAO	getSubscriptionDao()
SubscriptionRequestFilter	getSubscriptionRequestFilter()
Collection<ResourceStateSubscription>	listMatchingSubscriptions(String prefix, String type, String resId) return all subscriptions matching a given prefix and a given type.
Collection<ResourceStateSubscription>	listSubscriptions() return all subscriptions.
TopicExpressionMatchResult	matchId(String rest) extract resource id.
TopicExpressionMatchResult	matchType(String rest) extract resource type name.
String	registerSubscription(SubscriptionRequest subscription) register a subscription.
boolean	removeSubscription(String subscriptionId) removes a particular subscription.
void	setSubscriptionDao(ResourceStateSubscriptionDAO subscriptionDao)
void	setSubscriptionRequestFilter(SubscriptionRequestFilter subscriptionRequestFilter)
boolean	unsubscribe(String subId) Unsubscribe a subscription if it exists.

Methods inherited from class eu.dnetlib.enabling.is.sn.AbstractSubscriptionRegistry

matchPrefix

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceStateSubscriptionRegistry

public ResourceStateSubscriptionRegistry()

Method Detail

registerSubscription

@CacheEvict(value="subscriptions",
            allEntries=true)
public String registerSubscription(SubscriptionRequest subscription)
                                                                                            throws eu.dnetlib.enabling.is.sn.rmi.SubscriptionRequestRejectedException

register a subscription.

Specified by:

registerSubscription in interface SubscriptionRegistry

Parameters:

subscription - subscription request

Returns:

if we can accept this subcription we return the (possibly changed) identifier, otherwise null

Throws:

eu.dnetlib.enabling.is.sn.rmi.SubscriptionRequestRejectedException

See Also:

SubscriptionRegistry.registerSubscription(eu.dnetlib.enabling.is.sn.SubscriptionRequest)

unsubscribe

@CacheEvict(value="subscriptions",
            allEntries=true)
public boolean unsubscribe(String subId)

Unsubscribe a subscription if it exists.

Specified by:

unsubscribe in interface SubscriptionRegistry

Parameters:

subId - subscription identifier

Returns:

true if this subscription existed and was successfully removed

See Also:

SubscriptionRegistry.unsubscribe(java.lang.String)

matchType

public TopicExpressionMatchResult matchType(String rest)

extract resource type name.

Parameters:

rest - topic expression without prefix

Returns:

tuple containing type name and rest of the prefix

matchId

public TopicExpressionMatchResult matchId(String rest)

extract resource id.

Parameters:

rest - topic expression without prefix

Returns:

tuple containing type name and rest of the prefix

listMatchingSubscriptions

@Cacheable(value="subscriptions",
           key="{ #prefix, #type, #resId }")
public Collection<ResourceStateSubscription> listMatchingSubscriptions(String prefix,
                                                                                                                                                      String type,
                                                                                                                                                      String resId)

return all subscriptions matching a given prefix and a given type. Wildcard subscriptions will match any resource type.

Specified by:

listMatchingSubscriptions in interface SubscriptionRegistry

Parameters:

prefix - prefix

type - concrete type

resId - resource identifier

Returns:

all matching subscriptions

listSubscriptions

@Cacheable(value="subscriptions")
public Collection<ResourceStateSubscription> listSubscriptions()

Description copied from interface: SubscriptionRegistry

return all subscriptions.

Specified by:

listSubscriptions in interface SubscriptionRegistry

Returns:

all subscriptions

removeSubscription

@CacheEvict(value="subscriptions",
            allEntries=true)
public boolean removeSubscription(String subscriptionId)

Description copied from interface: SubscriptionRegistry

removes a particular subscription.

Specified by:

removeSubscription in interface SubscriptionRegistry

Parameters:

subscriptionId - identifier

Returns:

true if successful

getAcceptedPrefixes

protected Collection<String> getAcceptedPrefixes()

Description copied from class: AbstractSubscriptionRegistry

A collection of accepted prefixes.

Specified by:

getAcceptedPrefixes in class AbstractSubscriptionRegistry

Returns:

prefix list

getSubscriptionDao

public ResourceStateSubscriptionDAO getSubscriptionDao()

setSubscriptionDao

public void setSubscriptionDao(ResourceStateSubscriptionDAO subscriptionDao)

getSubscriptionRequestFilter

public SubscriptionRequestFilter getSubscriptionRequestFilter()

setSubscriptionRequestFilter

public void setSubscriptionRequestFilter(SubscriptionRequestFilter subscriptionRequestFilter)