BundleStats


1   /*******************************************************************************
2    * Copyright (c) 2000, 2005 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.core.runtime.internal.stats;
12  
13  import java.util.ArrayList  ;
14  
15  /**
16   * Contains information about activated bundles and acts as the main 
17   * entry point for logging bundle activity.
18   */
19  
20  public class BundleStats {
21      public String   symbolicName;
22      public long id;
23      public int activationOrder;
24      private long timestamp; //timeStamp at which this bundle has been activated
25      private boolean duringStartup; // indicate if the bundle has been activated during startup
26      private long startupTime; // the time took by the bundle to startup
27      private long startupMethodTime; // the time took to run the startup method
28  
29      // Indicate the position of the activation trace in the file
30      private long traceStart = -1;
31      private long traceEnd = -1;
32  
33      //To keep bundle parentage
34      private ArrayList   bundlesActivated = new ArrayList  (3); // TODO create lazily
35      private BundleStats activatedBy = null;
36  
37      public BundleStats(String   name, long id) {
38          this.symbolicName = name;
39          this.id = id;
40      }
41  
42      public long getTimestamp() {
43          return timestamp;
44      }
45  
46      public int getActivationOrder() {
47          return activationOrder;
48      }
49  
50      protected void activated(BundleStats info) {
51          bundlesActivated.add(info);
52      }
53  
54      public BundleStats getActivatedBy() {
55          return activatedBy;
56      }
57  
58      public long getId() {
59          return id;
60      }
61  
62      public String   getSymbolicName() {
63          return symbolicName;
64      }
65  
66      public long getStartupTime() {
67          return startupTime;
68      }
69  
70      public long getStartupMethodTime() {
71          return startupMethodTime;
72      }
73  
74      public boolean isStartupBundle() {
75          return duringStartup;
76      }
77  
78      public int getClassLoadCount() {
79          if (!StatsManager.MONITOR_CLASSES)
80              return 0;
81          ClassloaderStats loader = ClassloaderStats.getLoader(symbolicName);
82          return loader == null ? 0 : loader.getClassLoadCount();
83      }
84  
85      public long getClassLoadTime() {
86          if (!StatsManager.MONITOR_CLASSES)
87              return 0;
88          ClassloaderStats loader = ClassloaderStats.getLoader(symbolicName);
89          return loader == null ? 0 : loader.getClassLoadTime();
90      }
91  
92      public ArrayList   getBundlesActivated() {
93          return bundlesActivated;
94      }
95  
96      public long getTraceStart() {
97          return traceStart;
98      }
99  
100     public long getTraceEnd() {
101         return traceEnd;
102     }
103 
104     protected void setTimestamp(long value) {
105         timestamp = value;
106     }
107 
108     protected void setActivationOrder(int value) {
109         activationOrder = value;
110     }
111 
112     protected void setTraceStart(long time) {
113         traceStart = time;
114     }
115 
116     protected void setDuringStartup(boolean value) {
117         duringStartup = value;
118     }
119 
120     protected void endActivation() {
121         startupTime = System.currentTimeMillis() - timestamp;
122     }
123 
124     protected void setTraceEnd(long position) {
125         traceEnd = position;
126     }
127 
128     protected void setActivatedBy(BundleStats value) {
129         activatedBy = value;
130     }
131 }
132
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