| /** |
| * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jivesoftware.smackx.pubsub; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Represents an event in which items have been deleted from the node. |
| * |
| * @author Robin Collier |
| */ |
| public class ItemDeleteEvent extends SubscriptionEvent |
| { |
| private List<String> itemIds = Collections.EMPTY_LIST; |
| |
| /** |
| * Constructs an <tt>ItemDeleteEvent</tt> that indicates the the supplied |
| * items (by id) have been deleted, and that the event matches the listed |
| * subscriptions. The subscriptions would have been created by calling |
| * {@link LeafNode#subscribe(String)}. |
| * |
| * @param nodeId The id of the node the event came from |
| * @param deletedItemIds The item ids of the items that were deleted. |
| * @param subscriptionIds The subscriptions that match the event. |
| */ |
| public ItemDeleteEvent(String nodeId, List<String> deletedItemIds, List<String> subscriptionIds) |
| { |
| super(nodeId, subscriptionIds); |
| |
| if (deletedItemIds == null) |
| throw new IllegalArgumentException("deletedItemIds cannot be null"); |
| itemIds = deletedItemIds; |
| } |
| |
| /** |
| * Get the item id's of the items that have been deleted. |
| * |
| * @return List of item id's |
| */ |
| public List<String> getItemIds() |
| { |
| return Collections.unmodifiableList(itemIds); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return getClass().getName() + " [subscriptions: " + getSubscriptions() + "], [Deleted Items: " + itemIds + ']'; |
| } |
| } |