| /* |
| * 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.uima.ducc.ws.registry; |
| |
| import java.util.ArrayList; |
| import java.util.Properties; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.uima.ducc.common.persistence.services.IStateServices; |
| import org.apache.uima.ducc.common.persistence.services.StateServicesDirectory; |
| import org.apache.uima.ducc.common.persistence.services.StateServicesFactory; |
| import org.apache.uima.ducc.common.persistence.services.StateServicesSet; |
| import org.apache.uima.ducc.common.utils.DuccLogger; |
| import org.apache.uima.ducc.common.utils.DuccLoggerComponents; |
| import org.apache.uima.ducc.common.utils.id.DuccId; |
| import org.apache.uima.ducc.ws.DuccDataHelper; |
| import org.apache.uima.ducc.ws.registry.sort.ServicesSortCache; |
| import org.springframework.util.StringUtils; |
| |
| public class ServicesRegistry { |
| |
| private static DuccLogger logger = DuccLoggerComponents.getWsLogger(ServicesRegistry.class.getName()); |
| private static DuccId jobid = null; |
| |
| private static ServicesRegistry instance = new ServicesRegistry(); |
| |
| private ServicesRegistryMap map = new ServicesRegistryMap(); |
| |
| private AtomicBoolean inProgress = new AtomicBoolean(false); |
| |
| public static ServicesRegistry getInstance() { |
| return instance; |
| } |
| |
| private ServicesRegistry() { |
| refreshCache(); |
| } |
| |
| public void update() { |
| String location = "update"; |
| DuccId jobid = null; |
| if(inProgress.compareAndSet(false, true)) { |
| try { |
| refreshCache(); |
| logger.debug(location, jobid, "size:"+map.size()); |
| } |
| catch(Exception e) { |
| logger.error(location, jobid, e); |
| } |
| } |
| else { |
| logger.warn(location, jobid, "skipping: already in progress..."); |
| } |
| inProgress.set(false); |
| } |
| |
| public void refreshCache() { |
| String location = "refreshCache"; |
| try { |
| ServicesRegistryMap mapRevised = new ServicesRegistryMap(); |
| IStateServices iss = StateServicesFactory.getInstance(this.getClass().getName(), "WS"); |
| StateServicesDirectory ssd = iss.getStateServicesDirectory(); |
| if(!ssd.getDescendingKeySet().isEmpty()) { |
| for(Long key : ssd.getDescendingKeySet()) { |
| StateServicesSet entry = ssd.get(key); |
| Properties propertiesSvc = entry.get(IServicesRegistry.svc); |
| Properties propertiesMeta = entry.get(IServicesRegistry.meta); |
| ServicesRegistryMapPayload value = new ServicesRegistryMapPayload(propertiesSvc, propertiesMeta); |
| mapRevised.put(key, value); |
| String endpoint = propertiesMeta.getProperty(IServicesRegistry.endpoint); |
| logger.debug(location, jobid, "key: "+key+" "+"endpoint: "+endpoint); |
| } |
| } |
| map = mapRevised; |
| logger.debug(location, jobid, "size: "+map.size()); |
| ServicesSortCache.getInstance().update(map); |
| } |
| catch(Exception e) { |
| logger.error(location, jobid, e); |
| } |
| } |
| |
| public ServicesRegistryMap getMap() { |
| return map; |
| } |
| |
| public ServicesRegistryMap getCurrentMap() { |
| refreshCache(); |
| return map; |
| } |
| |
| public String[] getList(String string) { |
| String[] retVal = new String[0]; |
| if(string != null) { |
| string = string.trim(); |
| if(string.length() > 0) { |
| retVal = StringUtils.delimitedListToStringArray(string, " "); |
| } |
| } |
| return retVal; |
| } |
| |
| public ArrayList<String> getArrayList(String list) { |
| ArrayList<String> retVal = new ArrayList<String>(); |
| for(String string : getList(list)) { |
| retVal.add(string); |
| } |
| return retVal; |
| } |
| |
| private boolean compareEndpoints(String e0, String e1) { |
| boolean retVal = false; |
| if(e0 != null) { |
| if(e1 != null) { |
| String s0 = e0; |
| String s1 = e1; |
| if(s0.contains("?")) { |
| s0 = s0.substring(0, s0.indexOf("?")); |
| } |
| if(s1.contains("?")) { |
| s1 = s1.substring(0, s1.indexOf("?")); |
| } |
| retVal = s0.equals(s1); |
| } |
| } |
| return retVal; |
| } |
| |
| public ServicesRegistryMapPayload findService(String name) { |
| String location = "findService"; |
| ServicesRegistryMapPayload retVal = null; |
| try { |
| logger.debug(location, jobid, "size: "+map.size()); |
| logger.debug(location, jobid, "search: "+name); |
| for(Long key : map.keySet()) { |
| ServicesRegistryMapPayload payload = map.get(key); |
| Properties meta = payload.meta; |
| if(meta != null) { |
| if(meta.containsKey(IServicesRegistry.endpoint)) { |
| String endpoint = meta.getProperty(IServicesRegistry.endpoint); |
| logger.trace(location, jobid, "key: "+key+" "+"compare: "+endpoint); |
| if(compareEndpoints(name,endpoint)) { |
| retVal = payload; |
| break; |
| } |
| } |
| } |
| } |
| } |
| catch(Exception e) { |
| logger.error(location, jobid, e); |
| } |
| if(retVal == null) { |
| logger.warn(location, jobid, "not found: "+name); |
| } |
| return retVal; |
| } |
| |
| public String findServiceUser(String id) { |
| String retVal = null; |
| try { |
| for(Long key : map.keySet()) { |
| ServicesRegistryMapPayload payload = map.get(key); |
| Properties meta = payload.meta; |
| if(meta != null) { |
| if(meta.containsKey(IServicesRegistry.numeric_id)) { |
| String sid = meta.getProperty(IServicesRegistry.numeric_id); |
| if(id.equals(sid)) { |
| retVal = meta.getProperty(IServicesRegistry.user).trim(); |
| break; |
| } |
| } |
| } |
| } |
| } |
| catch(Exception e) { |
| e.printStackTrace(); |
| } |
| return retVal; |
| } |
| |
| public String findServiceName(DuccId duccId) { |
| String retVal = null; |
| try { |
| long id = duccId.getFriendly(); |
| for(Long key : map.keySet()) { |
| ServicesRegistryMapPayload payload = map.get(key); |
| Properties meta = payload.meta; |
| if(meta != null) { |
| // UIMA-4258, use common implementors parser |
| String[] list = DuccDataHelper.parseServiceIds(meta); |
| |
| for( String member : list ) { |
| if(member.equals(id+"")) { |
| if(meta.containsKey(IServicesRegistry.endpoint)) { |
| retVal = meta.getProperty(IServicesRegistry.endpoint); |
| } |
| break; |
| } |
| } |
| } |
| } |
| } |
| catch(Exception e) { |
| e.printStackTrace(); |
| } |
| return retVal; |
| } |
| |
| public String getServiceState(String name) { |
| String retVal = IServicesRegistry.constant_NotKnown; |
| try { |
| ServicesRegistryMapPayload payload = findService(name); |
| Properties properties = payload.meta; |
| String service_state = properties.getProperty(IServicesRegistry.service_state).trim(); |
| if(service_state.equalsIgnoreCase(IServicesRegistry.constant_Available)) { |
| String ping_active = properties.getProperty(IServicesRegistry.ping_active).trim(); |
| if(ping_active.equalsIgnoreCase(IServicesRegistry.constant_true)) { |
| String service_healthy = properties.getProperty(IServicesRegistry.service_healthy).trim(); |
| if(service_healthy.equalsIgnoreCase(IServicesRegistry.constant_true)) { |
| retVal = IServicesRegistry.constant_OK; |
| } |
| else { |
| retVal = IServicesRegistry.constant_NotHealthy; |
| } |
| } |
| else { |
| retVal = IServicesRegistry.constant_NotPinging; |
| } |
| } |
| else { |
| retVal = IServicesRegistry.constant_NotAvailable; |
| } |
| } |
| catch(Exception e) { |
| e.printStackTrace(); |
| } |
| return retVal; |
| } |
| |
| public ArrayList<String> getServiceDependencies(String name) { |
| String location = "getServiceDependencies"; |
| ArrayList<String> retVal = new ArrayList<String>(); |
| try { |
| if(name != null) { |
| ServicesRegistryMapPayload payload = findService(name); |
| if(payload != null) { |
| Properties properties = payload.svc; |
| if(properties != null) { |
| String service_dependency = properties.getProperty(IServicesRegistry.service_dependency); |
| logger.debug(location, jobid, "name: "+name+" "+"service_dependency: "+service_dependency); |
| if(service_dependency != null) { |
| String[] dependencies = service_dependency.split(" "); |
| for(String dependency : dependencies) { |
| String value = dependency.trim(); |
| if(value.length() > 0) { |
| ServiceName serviceName = new ServiceName(dependency); |
| retVal.add(serviceName.toString()); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| catch(Exception e) { |
| e.printStackTrace(); |
| } |
| return retVal; |
| } |
| } |