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f7a1c750ad
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11346 b35dd754-fafc-0310-a699-88a17e54d16e
123 lines
4 KiB
Java
123 lines
4 KiB
Java
/**
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* All rights reserved. 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.Date;
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import java.util.List;
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/**
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* Represents an event generated by an item(s) being published to a node.
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*
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* @author Robin Collier
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*/
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public class ItemPublishEvent <T extends Item> extends SubscriptionEvent
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{
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private List<T> items;
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private Date originalDate;
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/**
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* Constructs an <tt>ItemPublishEvent</tt> with the provided list
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* of {@link Item} that were published.
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*
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* @param nodeId The id of the node the event came from
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* @param eventItems The list of {@link Item} that were published
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*/
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public ItemPublishEvent(String nodeId, List<T> eventItems)
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{
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super(nodeId);
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items = eventItems;
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}
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/**
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* Constructs an <tt>ItemPublishEvent</tt> with the provided list
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* of {@link Item} that were published. The list of subscription ids
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* represents the subscriptions that matched the event, in the case
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* of the user having 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 eventItems The list of {@link Item} that were published
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* @param subscriptionIds The list of subscriptionIds
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*/
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public ItemPublishEvent(String nodeId, List<T> eventItems, List<String> subscriptionIds)
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{
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super(nodeId, subscriptionIds);
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items = eventItems;
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}
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/**
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* Constructs an <tt>ItemPublishEvent</tt> with the provided list
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* of {@link Item} that were published in the past. The published
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* date signifies that this is delayed event. The list of subscription ids
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* represents the subscriptions that matched the event, in the case
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* of the user having 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 eventItems The list of {@link Item} that were published
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* @param subscriptionIds The list of subscriptionIds
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* @param publishedDate The original publishing date of the events
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*/
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public ItemPublishEvent(String nodeId, List<T> eventItems, List<String> subscriptionIds, Date publishedDate)
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{
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super(nodeId, subscriptionIds);
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items = eventItems;
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if (publishedDate != null)
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originalDate = publishedDate;
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}
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/**
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* Get the list of {@link Item} that were published.
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*
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* @return The list of published {@link Item}
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*/
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public List<T> getItems()
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{
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return Collections.unmodifiableList(items);
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}
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/**
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* Indicates whether this event was delayed. That is, the items
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* were published to the node at some time in the past. This will
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* typically happen if there is an item already published to the node
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* before a user subscribes to it. In this case, when the user
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* subscribes, the server may send the last item published to the node
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* with a delay date showing its time of original publication.
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*
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* @return true if the items are delayed, false otherwise.
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*/
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public boolean isDelayed()
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{
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return (originalDate != null);
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}
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/**
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* Gets the original date the items were published. This is only
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* valid if {@link #isDelayed()} is true.
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*
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* @return Date items were published if {@link #isDelayed()} is true, null otherwise.
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*/
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public Date getPublishedDate()
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{
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return originalDate;
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}
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@Override
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public String toString()
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{
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return getClass().getName() + " [subscriptions: " + getSubscriptions() + "], [Delayed: " +
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(isDelayed() ? originalDate.toString() : "false") + ']';
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}
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}
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