00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2016, JSK Lab, University of Tokyo. 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/o2r other materials provided 00016 * with the distribution. 00017 * * Neither the name of the JSK Lab nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 00035 /* Author: Kentaro Wada <www.kentaro.wada@gmail.com> 00036 */ 00037 00038 #include <nodelet_topic_tools/nodelet_lazy.h> 00039 #include <std_msgs/String.h> 00040 00041 namespace test_nodelet_topic_tools 00042 { 00043 00044 class NodeletLazyString: public nodelet_topic_tools::NodeletLazy 00045 { 00046 public: 00047 protected: 00048 virtual void onInit() 00049 { 00050 nodelet_topic_tools::NodeletLazy::onInit(); 00051 pub_ = advertise<std_msgs::String>(*pnh_, "output", 1); 00052 onInitPostProcess(); 00053 } 00054 00055 virtual void subscribe() 00056 { 00057 sub_ = pnh_->subscribe("input", 1, &NodeletLazyString::callback, this); 00058 } 00059 00060 virtual void unsubscribe() 00061 { 00062 sub_.shutdown(); 00063 } 00064 00065 virtual void callback(const std_msgs::String::ConstPtr& msg) 00066 { 00067 pub_.publish(msg); 00068 } 00069 00070 ros::Publisher pub_; 00071 ros::Subscriber sub_; 00072 00073 private: 00074 }; 00075 00076 } // namespace test_nodelet_topic_tools 00077 00078 #include <pluginlib/class_list_macros.h> 00079 PLUGINLIB_EXPORT_CLASS(test_nodelet_topic_tools::NodeletLazyString, nodelet::Nodelet);