Java tutorial
/* Copyright (C) 2006 NTT DATA Corporation This program is free software; you can redistribute it and/or Modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. */ package com.clustercontrol.monitor.util; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.concurrent.Callable; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ExecutionException; import java.util.concurrent.Future; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.rap.rwt.internal.service.ContextProvider; import org.eclipse.rap.rwt.internal.service.ServiceContext; import com.clustercontrol.util.HinemosMessage; import com.clustercontrol.util.Messages; import com.clustercontrol.util.MultiManagerRunUtil; import com.clustercontrol.util.UIManager; import com.clustercontrol.ws.monitor.EventFilterInfo; import com.clustercontrol.ws.monitor.HinemosUnknown_Exception; import com.clustercontrol.ws.monitor.InvalidRole_Exception; import com.clustercontrol.ws.monitor.MonitorNotFound_Exception; import com.clustercontrol.ws.monitor.ViewListInfo; /** * ???? Session Bean <BR> * */ public class EventSearchRunUtil extends MultiManagerRunUtil { /** ?<BR> */ private static Log m_log = LogFactory.getLog(EventSearchRunUtil.class); public Map<String, ViewListInfo> searchInfo(List<String> managerList, String facilityId, EventFilterInfo filter, int messages) { Map<String, ViewListInfo> dispDataMap = new ConcurrentHashMap<>(); Map<String, String> errMsgs = new ConcurrentHashMap<>(); long start = System.currentTimeMillis(); try { String threadName = Thread.currentThread().getName() + "-EventSearch"; List<EventSearchTask> searchList = new ArrayList<EventSearchTask>(); for (String managerName : managerList) { EventSearchTask task = null; task = new EventSearchTask(threadName, managerName, facilityId, filter, messages, ContextProvider.getContext()); searchList.add(task); } List<Future<Map<String, List<?>>>> list = getExecutorService().invokeAll(searchList); for (Future<Map<String, List<?>>> future : list) { if (future == null || future.get() == null) { continue; } Map<String, List<?>> map = future.get(); for (Map.Entry<String, List<?>> entry : map.entrySet()) { //?1?? String managerName = entry.getKey(); List<?> ret = entry.getValue(); if (ret.get(POS_INFO) != null && ret.get(POS_INFO) instanceof ViewListInfo) { ViewListInfo infoList = (ViewListInfo) ret.get(POS_INFO); dispDataMap.put(managerName, infoList); } if (ret.get(POS_ERROR) != null && ret.get(POS_ERROR) instanceof String) { String err = (String) ret.get(POS_ERROR); errMsgs.put(managerName, (String) err); } } } } catch (InterruptedException e) { m_log.error(e.getMessage() + e.getClass().getName()); } catch (ExecutionException e) { m_log.error(e.getMessage() + e.getClass().getName()); } // if (0 < errMsgs.size()) { UIManager.showMessageBox(errMsgs, true); } long end = System.currentTimeMillis(); m_log.debug("time=" + (end - start)); return dispDataMap; } public class EventSearchTask implements Callable<Map<String, List<?>>> { private String threadName = null; private String managerName = null; private String facilityId = null; private EventFilterInfo filter = null; private int messages = 0; private ServiceContext context = null; private Log m_log = LogFactory.getLog(EventSearchTask.class); public EventSearchTask(String threadName, String managerName, String facilityId, EventFilterInfo filter, int messages, ServiceContext context) { this.threadName = threadName; this.managerName = managerName; this.facilityId = facilityId; this.filter = filter; this.messages = messages; this.context = context; } public Map<String, List<?>> call() throws Exception { ViewListInfo records = null; Map<String, List<?>> dispDataMap = new ConcurrentHashMap<>(); String errMsgs = null; Thread.currentThread().setName(threadName); ContextProvider.releaseContextHolder(); ContextProvider.setContext(context); try { MonitorEndpointWrapper wrapper = MonitorEndpointWrapper.getWrapper(this.managerName); ViewListInfo infoList = wrapper.getEventList(facilityId, filter, messages); infoList = infoList == null ? setDefaultInfoList(null) : infoList; records = infoList; } catch (InvalidRole_Exception e) { // ?????? errMsgs = Messages.getString("message.accesscontrol.16"); } catch (MonitorNotFound_Exception | HinemosUnknown_Exception e) { errMsgs = Messages.getString("message.monitor.67") + ", " + HinemosMessage.replace(e.getMessage()); } catch (Exception e) { m_log.warn("MonitorSearchTask(), " + e.getMessage(), e); errMsgs = Messages.getString("message.hinemos.failure.unexpected") + ", " + HinemosMessage.replace(e.getMessage()); } List<Object> list = new ArrayList<Object>(); list.add(POS_INFO, records); list.add(POS_ERROR, errMsgs); dispDataMap.put(this.managerName, list); return dispDataMap; } private ViewListInfo setDefaultInfoList(ViewListInfo infoList) { infoList = new ViewListInfo(); infoList.setTotal(0); infoList.setCritical(0); infoList.setWarning(0); infoList.setInfo(0); infoList.setUnKnown(0); return infoList; } } }