Clover coverage report - Code Coverage for hivemind-examples release 1.1-alpha-2
Coverage timestamp: Wed Feb 23 2005 10:00:23 EST
file stats: LOC: 152   Methods: 11
NCLOC: 92   Classes: 1
30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover
 
 Source file Conditionals Statements Methods TOTAL
TaskExecutor.java 100% 100% 100% 100%
coverage
 1   
 // Copyright 2004, 2005 The Apache Software Foundation
 2   
 //
 3   
 // Licensed under the Apache License, Version 2.0 (the "License");
 4   
 // you may not use this file except in compliance with the License.
 5   
 // You may obtain a copy of the License at
 6   
 //
 7   
 //     http://www.apache.org/licenses/LICENSE-2.0
 8   
 //
 9   
 // Unless required by applicable law or agreed to in writing, software
 10   
 // distributed under the License is distributed on an "AS IS" BASIS,
 11   
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 12   
 // See the License for the specific language governing permissions and
 13   
 // limitations under the License.
 14   
 
 15   
 package com.panorama.startup.impl;
 16   
 
 17   
 import java.util.Iterator;
 18   
 import java.util.List;
 19   
 
 20   
 import org.apache.commons.logging.Log;
 21   
 import org.apache.hivemind.ErrorLog;
 22   
 import org.apache.hivemind.Messages;
 23   
 import org.apache.hivemind.order.Orderer;
 24   
 
 25   
 /**
 26   
  * A service that executes a series of {@link com.panorama.startup.impl.Task}s. Tasks have an
 27   
  * ordering based on pre- and post-requisites.
 28   
  * 
 29   
  * @author Howard Lewis Ship
 30   
  */
 31   
 public class TaskExecutor implements Runnable
 32   
 {
 33   
     private Log _log;
 34   
 
 35   
     private ErrorLog _errorLog;
 36   
 
 37   
     private List _tasks;
 38   
 
 39   
     private Messages _messages;
 40   
 
 41   
     /**
 42   
      * Orders the {@link #setTasks(List) tasks}into an execution order, and executes each in turn.
 43   
      * Logs the elapsed time, number of tasks, and the number of failures (if any).
 44   
      */
 45  2
     public void run()
 46   
     {
 47  2
         long startTime = System.currentTimeMillis();
 48   
 
 49  2
         Orderer orderer = new Orderer(_errorLog, task());
 50   
 
 51  2
         Iterator i = _tasks.iterator();
 52  2
         while (i.hasNext())
 53   
         {
 54  3
             Task t = (Task) i.next();
 55   
 
 56  3
             orderer.add(t, t.getId(), t.getAfter(), t.getBefore());
 57   
         }
 58   
 
 59  2
         List orderedTasks = orderer.getOrderedObjects();
 60   
 
 61  2
         int failures = 0;
 62   
 
 63  2
         i = orderedTasks.iterator();
 64  2
         while (i.hasNext())
 65   
         {
 66  3
             Task t = (Task) i.next();
 67   
 
 68  3
             if (!execute(t))
 69  1
                 failures++;
 70   
         }
 71   
 
 72  2
         long elapsedTime = System.currentTimeMillis() - startTime;
 73   
 
 74  2
         if (failures == 0)
 75  1
             _log.info(success(orderedTasks.size(), elapsedTime));
 76   
         else
 77  1
             _log.info(failure(failures, orderedTasks.size(), elapsedTime));
 78   
     }
 79   
 
 80   
     /**
 81   
      * Execute a single task.
 82   
      * 
 83   
      * @return true on success, false on failure
 84   
      */
 85  3
     private boolean execute(Task t)
 86   
     {
 87  3
         _log.info(executingTask(t));
 88   
 
 89  3
         try
 90   
         {
 91  3
             t.execute();
 92   
 
 93  2
             return true;
 94   
         }
 95   
         catch (Exception ex)
 96   
         {
 97  1
             _errorLog.error(exceptionInTask(t, ex), t.getLocation(), ex);
 98   
 
 99  1
             return false;
 100   
         }
 101   
     }
 102   
 
 103  2
     private String task()
 104   
     {
 105  2
         return _messages.getMessage("task");
 106   
     }
 107   
 
 108  3
     private String executingTask(Task t)
 109   
     {
 110  3
         return _messages.format("executing-task", t.getTitle());
 111   
     }
 112   
 
 113  1
     private String exceptionInTask(Task t, Throwable cause)
 114   
     {
 115  1
         return _messages.format("exception-in-task", t.getTitle(), cause);
 116   
     }
 117   
 
 118  1
     private String success(int count, long elapsedTimeMillis)
 119   
     {
 120  1
         return _messages.format("success", new Integer(count), new Long(elapsedTimeMillis));
 121   
     }
 122   
 
 123  1
     private String failure(int failureCount, int totalCount, long elapsedTimeMillis)
 124   
     {
 125  1
         return _messages.format(
 126   
                 "failure",
 127   
                 new Integer(failureCount),
 128   
                 new Integer(totalCount),
 129   
                 new Long(elapsedTimeMillis));
 130   
     }
 131   
 
 132  2
     public void setLog(Log log)
 133   
     {
 134  2
         _log = log;
 135   
     }
 136   
 
 137  2
     public void setErrorLog(ErrorLog errorLog)
 138   
     {
 139  2
         _errorLog = errorLog;
 140   
     }
 141   
 
 142  2
     public void setMessages(Messages messages)
 143   
     {
 144  2
         _messages = messages;
 145   
     }
 146   
 
 147  2
     public void setTasks(List list)
 148   
     {
 149  2
         _tasks = list;
 150   
     }
 151   
 
 152   
 }