Java tutorial
/* * Copyright 2004,2005 The Apache Software Foundation. * * 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.wso2.event.adaptor.mqtt.internal.ds; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.osgi.service.component.ComponentContext; import org.wso2.carbon.event.input.adaptor.core.InputEventAdaptorFactory; import org.wso2.carbon.utils.ConfigurationContextService; import org.wso2.event.adaptor.mqtt.MQTTEventAdaptorFactory; /** * @scr.component name="input.MQTTEventAdaptorService.component" immediate="true" * @scr.reference name="configurationcontext.service" * interface="org.wso2.carbon.utils.ConfigurationContextService" cardinality="1..1" * policy="dynamic" bind="setConfigurationContextService" unbind="unsetConfigurationContextService" */ public class MQTTEventAdaptorServiceDS { private static final Log log = LogFactory.getLog(MQTTEventAdaptorServiceDS.class); /** * initialize the agent service here service here. * * @param context */ protected void activate(ComponentContext context) { try { InputEventAdaptorFactory mqttEventAdaptorFactory = new MQTTEventAdaptorFactory(); context.getBundleContext().registerService(InputEventAdaptorFactory.class.getName(), mqttEventAdaptorFactory, null); log.info("Successfully deployed the MQTT input event adaptor service"); } catch (RuntimeException e) { log.error("Can not create the MQTT input event adaptor service ", e); e.printStackTrace(); } } protected void setConfigurationContextService(ConfigurationContextService configurationContextService) { } protected void unsetConfigurationContextService(ConfigurationContextService configurationContextService) { } }