1. Project Clover database Tue Dec 20 2016 21:24:09 CET
  2. Package org.xwiki.security.authorization.internal

File DefaultSecurityCacheRulesInvalidatorLock.java

 

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Classes

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DefaultSecurityCacheRulesInvalidatorLock 41 2 0% 2 0
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Contributing tests

This file is covered by 20 tests. .

Source view

1    /*
2    * See the NOTICE file distributed with this work for additional
3    * information regarding copyright ownership.
4    *
5    * This is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU Lesser General Public License as
7    * published by the Free Software Foundation; either version 2.1 of
8    * the License, or (at your option) any later version.
9    *
10    * This software is distributed in the hope that it will be useful,
11    * but WITHOUT ANY WARRANTY; without even the implied warranty of
12    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13    * Lesser General Public License for more details.
14    *
15    * You should have received a copy of the GNU Lesser General Public
16    * License along with this software; if not, write to the Free
17    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
19    */
20    package org.xwiki.security.authorization.internal;
21   
22    import java.util.concurrent.locks.Lock;
23    import java.util.concurrent.locks.ReadWriteLock;
24    import java.util.concurrent.locks.ReentrantReadWriteLock;
25   
26    import javax.inject.Named;
27    import javax.inject.Singleton;
28   
29    import org.xwiki.component.annotation.Component;
30   
31    /**
32    * The component is used as a bridge between the {@link org.xwiki.observation.EventListener} and the
33    * {@link org.xwiki.security.authorization.cache.SecurityCacheRulesInvalidator}.
34    *
35    * @version $Id: 29eb4be512d2c23a70a0d9d880648f9d57d0af12 $
36    * @since 4.0M2
37    */
38    @Component(roles = ReadWriteLock.class)
39    @Named(DefaultSecurityCacheRulesInvalidator.NAME)
40    @Singleton
 
41    public class DefaultSecurityCacheRulesInvalidatorLock implements ReadWriteLock
42    {
43    /**
44    * Fair read-write lock to suspend the delivery of cache updates while there are loads in progress.
45    */
46    private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock(true);
47   
 
48  4550 toggle @Override
49    public Lock readLock()
50    {
51  4550 return this.readWriteLock.readLock();
52    }
53   
 
54  7940 toggle @Override
55    public Lock writeLock()
56    {
57  7940 return this.readWriteLock.writeLock();
58    }
59    }