Coverage report

  %line %branch
org.apache.commons.jelly.tags.threads.GroupTag
93% 
100% 

 1  
 /*
 2  
  * Copyright 2002,2004 The Apache Software Foundation.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * You may obtain a copy of the License at
 7  
  *
 8  
  *      http://www.apache.org/licenses/LICENSE-2.0
 9  
  *
 10  
  * Unless required by applicable law or agreed to in writing, software
 11  
  * distributed under the License is distributed on an "AS IS" BASIS,
 12  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 13  
  * See the License for the specific language governing permissions and
 14  
  * limitations under the License.
 15  
  */
 16  
 
 17  
 package org.apache.commons.jelly.tags.threads;
 18  
 
 19  
 import org.apache.commons.jelly.JellyTagException;
 20  
 import org.apache.commons.jelly.TagSupport;
 21  
 import org.apache.commons.jelly.XMLOutput;
 22  
 
 23  
 import java.util.ArrayList;
 24  
 import java.util.List;
 25  
 
 26  
 /**
 27  
  * Represents a group of threads. This is not the same as Java's thread groups.
 28  
  * All of the threads in a thread group are started at the same time, not as they
 29  
  * are defined. Use this in conjunction with other tags like join to manipulate
 30  
  * a group of threads.
 31  
  *
 32  
  * @author <a href="mailto:jason@jhorman.org">Jason Horman</a>
 33  
  */
 34  
 
 35  12
 public class GroupTag extends TagSupport {
 36  
     /** Variable to place the thread group into */
 37  6
     private String var = null;
 38  
     /** The thread list */
 39  6
     private List threads = new ArrayList();
 40  
 
 41  
     /** Child threads will add themselves and will then all be started together */
 42  
     public void doTag(XMLOutput output) throws JellyTagException {
 43  2
         invokeBody(output);
 44  
 
 45  
         // store the group in a jelly variable
 46  2
         if (var != null) {
 47  2
             context.setVariable(var, threads);
 48  
         }
 49  
 
 50  
         // start the threads
 51  6
         for (int i = 0; i < threads.size(); i++) {
 52  4
             Thread thread = (Thread) threads.get(i);
 53  4
             thread.start();
 54  
         }
 55  2
     }
 56  
 
 57  
     /** Add a thread to the thread group list */
 58  
     public void addThread(Thread thread) {
 59  4
         threads.add(thread);
 60  4
     }
 61  
 
 62  
     /** Get the list of threads in this thread group */
 63  
     public List getThreads() {
 64  0
         return threads;
 65  
     }
 66  
 
 67  
     /** Set the variable name to store the thread group in */
 68  
     public void setVar(String var) {
 69  2
         this.var = class="keyword">var;
 70  2
     }
 71  
 }

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