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74 lines
2.2 KiB
Java
74 lines
2.2 KiB
Java
/**
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*
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* Copyright the original author or authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.pubsub;
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import java.util.Collections;
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import java.util.List;
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/**
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* Base class to represents events that are associated to subscriptions.
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*
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* @author Robin Collier
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*/
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public abstract class SubscriptionEvent extends NodeEvent {
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private List<String> subIds = Collections.emptyList();
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/**
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* Construct an event with no subscription id's. This can
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* occur when there is only one subscription to a node. The
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* event may or may not report the subscription id along
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* with the event.
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*
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* @param nodeId The id of the node the event came from
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*/
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protected SubscriptionEvent(String nodeId) {
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super(nodeId);
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}
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/**
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* Construct an event with multiple subscriptions.
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*
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* @param nodeId The id of the node the event came from
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* @param subscriptionIds The list of subscription id's
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*/
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protected SubscriptionEvent(String nodeId, List<String> subscriptionIds) {
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super(nodeId);
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if (subscriptionIds != null)
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subIds = subscriptionIds;
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}
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/**
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* Get the subscriptions this event is associated with.
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*
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* @return List of subscription id's
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*/
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public List<String> getSubscriptions() {
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return Collections.unmodifiableList(subIds);
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}
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/**
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* Set the list of subscription id's for this event.
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*
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* @param subscriptionIds The list of subscription id's
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*/
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protected void setSubscriptions(List<String> subscriptionIds) {
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if (subscriptionIds != null)
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subIds = subscriptionIds;
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}
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}
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