/*
 * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Copyright @ 2015 Atlassian Pty Ltd
 *
 * 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 net.java.sip.communicator.service.gui;

/**
 * The <tt>ContactListNode</tt> represents a node in the contact list data
 * model. An implementation of this interface should be able to determine the
 * index of this node in its contact source.
 *
 * @author Yana Stamcheva
 */
public interface ContactListNode
{
    /**
     * Returns the index of this node in the <tt>MetaContactListService</tt>.
     * @return the index of this node in the <tt>MetaContactListService</tt>
     */
    public int getSourceIndex();
}