/**
 *
 * Copyright the original author or authors
 *
 * 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.listener;

import org.jivesoftware.smackx.pubsub.ItemDeleteEvent;
import org.jivesoftware.smackx.pubsub.LeafNode;

/**
 * Defines the listener for item deletion events from a node.
 * 
 * @see LeafNode#addItemDeleteListener(ItemDeleteListener)
 * 
 * @author Robin Collier
 */
public interface ItemDeleteListener {
    /**
     * Called when items are deleted from a node the listener is 
     * registered with.
     * 
     * @param items The event with item deletion details
     */
    void handleDeletedItems(ItemDeleteEvent items);

    /**
     * Called when <b>all</b> items are deleted from a node the listener is 
     * registered with. 
     */
    void handlePurge();
}