001/** 002 * 003 * Copyright 2015 Florian Schmaus 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack.iqrequest; 018 019import org.jivesoftware.smack.packet.IQ; 020 021/** 022 * IQ request handler are responsible for handling incoming IQ requests. They can be registered with 023 * {@link org.jivesoftware.smack.XMPPConnection#registerIQRequestHandler(IQRequestHandler)}. 024 * 025 * @see AbstractIqRequestHandler 026 */ 027public interface IQRequestHandler { 028 029 public enum Mode { 030 /** 031 * Process requests synchronously, i.e. in the order they arrive. Uses a single thread, which means that the other 032 * requests have to wait until all previous synchronous requests have been handled. Use {@link #async} if 033 * possible for performance reasons. 034 */ 035 sync, 036 037 /** 038 * Process IQ requests asynchronously, i.e. concurrent. This does not guarantee that requests are processed in the 039 * same order they arrive. 040 */ 041 async, 042 } 043 044 public IQ handleIQRequest(IQ iqRequest); 045 046 public Mode getMode(); 047 048 public IQ.Type getType(); 049 050 public String getElement(); 051 052 public String getNamespace(); 053}