/*
* Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.carbon.event.receiver.core.internal.ds;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.base.ServerConfiguration;
import org.wso2.carbon.event.input.adapter.core.InputEventAdapterFactory;
import org.wso2.carbon.event.input.adapter.core.InputEventAdapterService;
import org.wso2.carbon.event.processor.manager.core.EventManagementService;
import org.wso2.carbon.event.receiver.core.EventReceiverService;
import org.wso2.carbon.event.receiver.core.exception.EventReceiverConfigurationException;
import org.wso2.carbon.event.receiver.core.internal.CarbonEventReceiverManagementService;
import org.wso2.carbon.event.receiver.core.internal.CarbonEventReceiverService;
import org.wso2.carbon.event.receiver.core.internal.EventStreamListenerImpl;
import org.wso2.carbon.event.receiver.core.internal.tenantmgt.TenantLazyLoaderValve;
import org.wso2.carbon.event.stream.core.EventStreamListener;
import org.wso2.carbon.event.stream.core.EventStreamService;
import org.wso2.carbon.registry.core.exceptions.RegistryException;
import org.wso2.carbon.registry.core.service.RegistryService;
import org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve;
import org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer;
import org.wso2.carbon.user.core.service.RealmService;
import org.wso2.carbon.utils.ConfigurationContextService;
import java.util.ArrayList;
import java.util.Set;
/**
* @scr.component name="eventReceiverService.component" immediate="true"
* @scr.reference name="inputEventAdapter.service"
* interface="org.wso2.carbon.event.input.adapter.core.InputEventAdapterService" cardinality="1..1"
* policy="dynamic" bind="setInputEventAdapterService" unbind="unsetInputEventAdapterService"
* @scr.reference name="input.event.adapter.tracker.service"
* interface="org.wso2.carbon.event.input.adapter.core.InputEventAdapterFactory" cardinality="0..n"
* policy="dynamic" bind="setEventAdapterType" unbind="unSetEventAdapterType"
* @scr.reference name="eventManagement.service"
* interface="org.wso2.carbon.event.processor.manager.core.EventManagementService" cardinality="1..1"
* policy="dynamic" bind="setEventManagementService" unbind="unsetEventManagementService"
* @scr.reference name="registry.service"
* interface="org.wso2.carbon.registry.core.service.RegistryService"
* cardinality="1..1" policy="dynamic" bind="setRegistryService" unbind="unsetRegistryService"
* @scr.reference name="eventStreamManager.service"
* interface="org.wso2.carbon.event.stream.core.EventStreamService" cardinality="1..1"
* policy="dynamic" bind="setEventStreamService" unbind="unsetEventStreamService"
* @scr.reference name="config.context.service"
* interface="org.wso2.carbon.utils.ConfigurationContextService" cardinality="0..1" policy="dynamic"
* bind="setConfigurationContextService" unbind="unsetConfigurationContextService"
* @scr.reference name="user.realmservice.default" interface="org.wso2.carbon.user.core.service.RealmService"
* cardinality="1..1" policy="dynamic" bind="setRealmService" unbind="unsetRealmService"
*/
public class EventReceiverServiceDS {
private static final Log log = LogFactory.getLog(EventReceiverServiceDS.class);
protected void activate(ComponentContext context) {
try {
checkIsStatsEnabled();
CarbonEventReceiverService carbonEventReceiverService = new CarbonEventReceiverService();
EventReceiverServiceValueHolder.registerEventReceiverService(carbonEventReceiverService);
CarbonEventReceiverManagementService carbonEventReceiverManagementService = new CarbonEventReceiverManagementService();
EventReceiverServiceValueHolder.getEventManagementService().subscribe(carbonEventReceiverManagementService);
EventReceiverServiceValueHolder.registerReceiverManagementService(carbonEventReceiverManagementService);
context.getBundleContext().registerService(EventReceiverService.class.getName(), carbonEventReceiverService, null);
if (log.isDebugEnabled()) {
log.debug("Successfully deployed EventReceiverService.");
}
activateInactiveEventReceiverConfigurations(carbonEventReceiverService);
context.getBundleContext().registerService(EventStreamListener.class.getName(),
new EventStreamListenerImpl(), null);
ArrayList<CarbonTomcatValve> valves = new ArrayList<CarbonTomcatValve>();
valves.add(new TenantLazyLoaderValve());
TomcatValveContainer.addValves(valves);
} catch (Throwable e) {
log.error("Could not create EventReceiverService or EventReceiver : " + e.getMessage(), e);
}
}
private void checkIsStatsEnabled() {
ServerConfiguration config = ServerConfiguration.getInstance();
String confStatisticsReporterDisabled = config.getFirstProperty("StatisticsReporterDisabled");
if (!"".equals(confStatisticsReporterDisabled)) {
boolean disabled = Boolean.valueOf(confStatisticsReporterDisabled);
if (disabled) {
return;
}
}
EventReceiverServiceValueHolder.setGlobalStatisticsEnabled(true);
}
private void activateInactiveEventReceiverConfigurations(CarbonEventReceiverService carbonEventReceiverService) {
Set<String> inputEventAdapterTypes = EventReceiverServiceValueHolder.getInputEventAdapterTypes();
inputEventAdapterTypes.addAll(EventReceiverServiceValueHolder.getInputEventAdapterService().getInputEventAdapterTypes());
for (String type : inputEventAdapterTypes) {
try {
carbonEventReceiverService.activateInactiveEventReceiverConfigurationsForAdapter(type);
} catch (EventReceiverConfigurationException e) {
log.error(e.getMessage(), e);
}
}
}
protected void setInputEventAdapterService(InputEventAdapterService inputEventAdapterService) {
EventReceiverServiceValueHolder.registerInputEventAdapterService(inputEventAdapterService);
}
protected void unsetInputEventAdapterService(
InputEventAdapterService inputEventAdapterService) {
EventReceiverServiceValueHolder.getInputEventAdapterTypes().clear();
EventReceiverServiceValueHolder.registerInputEventAdapterService(null);
}
protected void setRegistryService(RegistryService registryService) throws RegistryException {
EventReceiverServiceValueHolder.registerRegistryService(registryService);
}
protected void unsetRegistryService(RegistryService registryService) {
EventReceiverServiceValueHolder.registerRegistryService(null);
}
protected void setEventStreamService(EventStreamService eventStreamService) {
EventReceiverServiceValueHolder.registerEventStreamService(eventStreamService);
}
protected void unsetEventStreamService(EventStreamService eventStreamService) {
EventReceiverServiceValueHolder.registerEventStreamService(null);
}
protected void setConfigurationContextService(
ConfigurationContextService configurationContextService) {
EventReceiverServiceValueHolder.setConfigurationContextService(configurationContextService);
}
protected void unsetConfigurationContextService(
ConfigurationContextService configurationContextService) {
EventReceiverServiceValueHolder.setConfigurationContextService(null);
}
protected void setEventAdapterType(InputEventAdapterFactory inputEventAdapterFactory) {
EventReceiverServiceValueHolder.addInputEventAdapterType(inputEventAdapterFactory.getType());
if (EventReceiverServiceValueHolder.getCarbonEventReceiverService() != null) {
try {
EventReceiverServiceValueHolder.getCarbonEventReceiverService().activateInactiveEventReceiverConfigurationsForAdapter(inputEventAdapterFactory.getType());
} catch (EventReceiverConfigurationException e) {
log.error(e.getMessage(), e);
}
}
}
protected void unSetEventAdapterType(InputEventAdapterFactory inputEventAdapterFactory) {
EventReceiverServiceValueHolder.removeInputEventAdapterType(inputEventAdapterFactory.getType());
if (EventReceiverServiceValueHolder.getCarbonEventReceiverService() != null) {
try {
EventReceiverServiceValueHolder.getCarbonEventReceiverService().deactivateActiveEventReceiverConfigurationsForAdapter(inputEventAdapterFactory.getType());
} catch (EventReceiverConfigurationException e) {
log.error(e.getMessage(), e);
}
}
}
protected void setEventManagementService(EventManagementService eventManagementService) {
EventReceiverServiceValueHolder.registerEventManagementService(eventManagementService);
}
protected void unsetEventManagementService(EventManagementService eventManagementService) {
EventReceiverServiceValueHolder.registerEventManagementService(null);
eventManagementService.unsubscribe(EventReceiverServiceValueHolder.getCarbonEventReceiverManagementService());
}
protected void setRealmService(RealmService realmService) {
EventReceiverServiceValueHolder.setRealmService(realmService);
}
protected void unsetRealmService(RealmService realmService) {
}
}