| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.karaf.decanter.appender.redis; |
| |
| import org.apache.karaf.decanter.appender.utils.EventFilter; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventConstants; |
| import org.osgi.service.event.EventHandler; |
| import org.redisson.Config; |
| import org.redisson.Redisson; |
| import org.redisson.RedissonClient; |
| |
| import java.util.Dictionary; |
| import java.util.Map; |
| |
| /** |
| * Redis appender |
| */ |
| @Component( |
| configurationPid = "org.apache.karaf.decanter.appender.redis", |
| service = EventHandler.class, |
| property = {EventConstants.EVENT_TOPIC + "=decanter/collect/*" } |
| ) |
| public class RedisAppender implements EventHandler { |
| |
| public static final String ADDRESS_PROPERTY = "address"; |
| public static final String MODE_PROPERTY = "mode"; |
| public static final String MAP_PROPERTY = "map"; |
| public static final String MASTER_ADDRESS_PROPERTY = "masterAddress"; |
| public static final String MASTER_NAME_PROPERTY = "masterName"; |
| public static final String SCAN_INTERVAL_PROPERTY = "scanInterval"; |
| |
| public static final String ADDRESS_DEFAULT = "localhost:6379"; |
| public static final String MODE_DEFAULT = "Single"; |
| public static final String MAP_DEFAULT = "Decanter"; |
| public static final String MASTER_ADDRESS_DEFAULT = null; |
| public static final String MASTER_NAME_DEFAULT = null; |
| public static final String SCAN_INTERVAL_DEFAULT = "2000"; |
| |
| private RedissonClient redissonClient; |
| |
| private Dictionary<String, Object> config; |
| |
| @Activate |
| public void activate(ComponentContext componentContext) { |
| config = componentContext.getProperties(); |
| |
| String address = getValue(config, ADDRESS_PROPERTY, ADDRESS_DEFAULT); |
| String mode = getValue(config, MODE_PROPERTY, MODE_DEFAULT); |
| String map = getValue(config, MAP_PROPERTY, MAP_DEFAULT); |
| String masterAddress = getValue(config, MASTER_ADDRESS_PROPERTY, MASTER_ADDRESS_DEFAULT); |
| String masterName = getValue(config, MASTER_NAME_PROPERTY, MASTER_NAME_DEFAULT); |
| int scanInterval = Integer.parseInt(getValue(config, SCAN_INTERVAL_PROPERTY, SCAN_INTERVAL_DEFAULT)); |
| |
| Config redissonConfig = new Config(); |
| if (mode.equalsIgnoreCase("Single")) { |
| redissonConfig.useSingleServer().setAddress(address); |
| } else if (mode.equalsIgnoreCase("Master_Slave")) { |
| redissonConfig.useMasterSlaveServers().setMasterAddress(masterAddress).addSlaveAddress(address); |
| } else if (mode.equalsIgnoreCase("Sentinel")) { |
| redissonConfig.useSentinelServers().addSentinelAddress(masterName).addSentinelAddress(address); |
| } else if (mode.equalsIgnoreCase("Cluster")) { |
| redissonConfig.useClusterServers().setScanInterval(scanInterval).addNodeAddress(address); |
| } |
| redissonClient = Redisson.create(redissonConfig); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| if (redissonClient != null && (!redissonClient.isShutdown() || !redissonClient.isShuttingDown())) { |
| redissonClient.shutdown(); |
| } |
| } |
| |
| @Override |
| public void handleEvent(Event event) { |
| if (EventFilter.match(event, config)) { |
| Map<String, Object> redisMap = redissonClient.getMap(getValue(config, MAP_PROPERTY, MAP_DEFAULT)); |
| for (String name : event.getPropertyNames()) { |
| redisMap.put(name, event.getProperty(name)); |
| } |
| } |
| } |
| |
| private String getValue(Dictionary<String, Object> properties, String key, String defaultValue) { |
| return (properties.get(key) != null) ? (String) properties.get(key) : defaultValue; |
| } |
| |
| } |