Clover Coverage Report - perfectjpattern(Aggregated)
Coverage timestamp: Sat Feb 28 2009 14:35:07 CET
Overview   Package   File
    FRAMES   NO FRAMES     
../../../../../img/srcFileCovDistChart10.png 0% of files have more coverage
14   160   8   2.33
0   64   0.57   6
6     1.33  
1    
 
  Subject       Line # 43 14 0% 8 0 100% 1.0
 
  (8)
 
1    //----------------------------------------------------------------------
2    //
3    // PerfectJPattern: "Design patterns are good but components are better!"
4    // Subject.java Copyright (c) 2009 Giovanni Azua Garcia
5    // bravegag@hotmail.com
6    //
7    // This program is free software; you can redistribute it and/or
8    // modify it under the terms of the GNU General Public License
9    // as published by the Free Software Foundation; either version 3
10    // of the License, or (at your option) any later version.
11    //
12    // This program is distributed in the hope that it will be useful,
13    // but WITHOUT ANY WARRANTY; without even the implied warranty of
14    // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15    // GNU General Public License for more details.
16    //
17    // You should have received a copy of the GNU General Public License
18    // along with this program; if not, see <http://www.gnu.org/licenses/>.
19    //
20    //----------------------------------------------------------------------
21    package org.perfectjpattern.core.behavioral.observer;
22   
23    import java.util.*;
24   
25    import org.apache.commons.lang.*;
26    import org.perfectjpattern.core.api.behavioral.observer.*;
27    import org.slf4j.*;
28   
29   
30    /**
31    * Base core implementation of <code>ISubject</code> interface.
32    * <br/>
33    *
34    * @see ISubject
35    *
36    * @param <E> Type of event data this <code>ISubject</code>
37    * notifies with.
38    *
39    * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a>
40    * @version $Revision: 1.0 $ $Date: Jun 18, 2007 9:06:39 PM $
41    */
42    public
 
43    class Subject<E>
44    implements ISubject<E>
45    {
46    //------------------------------------------------------------------------
47    // public
48    //------------------------------------------------------------------------
49    /**
50    * {@inheritDoc}
51    */
 
52  22 toggle public void
53    attach(IObserver<E>... anObservers)
54    {
55  22 Validate.notNull(anObservers, "'anObservers' must not be null");
56   
57  22 theObservers.addAll(Arrays.asList(anObservers));
58    }
59   
60    //------------------------------------------------------------------------
61    /**
62    * {@inheritDoc}
63    */
 
64  1 toggle public void
65    clear()
66    {
67  1 theObservers.clear();
68    }
69   
70    //------------------------------------------------------------------------
71    /**
72    * {@inheritDoc}
73    */
 
74  10 toggle public void
75    detach(IObserver<E>... anObservers)
76    {
77  10 Validate.notNull(anObservers, "'anObservers' must not be null");
78   
79  10 theObservers.removeAll(Arrays.asList(anObservers));
80    }
81   
82    //------------------------------------------------------------------------
83    /**
84    * {@inheritDoc}
85    */
 
86  68 toggle @SuppressWarnings("unchecked")
87    public void
88    notifyObservers(E anEventData)
89    {
90  68 Validate.notNull(anEventData, "'anEventData' must not be null");
91   
92  68 IObserver<E>[] myObservers = theObservers.toArray(EMPTY_ARRAY);
93   
94  68 for (IObserver<E> myObserver : myObservers)
95    {
96  108 try
97    {
98  108 myObserver.update(anEventData);
99    }
100    //CHECKSTYLE:OFF
101    catch (Throwable anException)
102    //CHECKSTYLE:ON
103    {
104    // faulty Observer instances are automatically detached
105  1 detach(myObserver);
106   
107  1 theLogger.error("Observer '" + System.identityHashCode(
108    myObserver) + "' has thrown an unchecked exception on " +
109    "update and has been automatically detached.",
110    anException);
111    }
112    }
113    }
114   
115    //------------------------------------------------------------------------
116    /**
117    * {@inheritDoc}
118    */
 
119  6 toggle public int
120    size()
121    {
122  6 return theObservers.size();
123    }
124   
125    //------------------------------------------------------------------------
126    // protected
127    //------------------------------------------------------------------------
128    /**
129    * Returns the Observer instances
130    *
131    * @return the Observer instances
132    */
 
133  2 toggle protected Collection<IObserver<E>>
134    getObservers()
135    {
136  2 return Collections.unmodifiableCollection(theObservers);
137    }
138   
139    //------------------------------------------------------------------------
140    // members
141    //------------------------------------------------------------------------
142    /**
143    * Collection of <code>IObserver</code> instances.
144    */
145    private final Collection<IObserver<E>> theObservers = new ArrayList<
146    IObserver<E>>();
147   
148    /**
149    * Reusable empty array of <code>IObserver</code> so it does not need
150    * to be recreated each time there is a call to
151    * <code>notifyObservers</code>
152    */
153    @SuppressWarnings("unchecked")
154    protected static final IObserver[] EMPTY_ARRAY = new IObserver[0];
155   
156    /**
157    * Provides logging services for this class
158    */
159    private final Logger theLogger = LoggerFactory.getLogger(this.getClass());
160    }
 
CloverReport generated by Clover Code Coverage v2.4.2
Sat Feb 28 2009 14:35:10 CET.		   Clover: Open Source License registered to perfectjpattern.