Classes

Class	Line #	Total Statements	% Filtered	Complexity	Uncovered Elements	TOTAL Coverage	Actions
AbstractBlockingCache	47	38	6.2%	16	60	0.00%	Show methods

Class AbstractBlockingCache

Class AbstractBlockingCache	Line # 47	Total Statements 38	% Filtered 6.2%	Complexity 16	Uncovered Elements 60	TOTAL Coverage 0.00%
AbstractBlockingCache(String,CacheModule,Integer)   AbstractBlockingCache(String,CacheModule,Integer)	5353	3.03	0.00%	1.01	3.03	0.0 0.00%
get(Object) : Object   get(Object) : Object	5959	13.013	0.00%	3.03	17.017	0.0 0.00%
hasElement(Object) : boolean   hasElement(Object) : boolean	8080	1.01	0.00%	1.01	1.01	0.0 0.00%
put(Object,Object) : void   put(Object,Object) : void	8585	1.01	0.00%	1.01	1.01	0.0 0.00%
put(Object,Object,int) : void   put(Object,Object,int) : void	9090	8.08	0.00%	3.03	12.012	0.0 0.00%
unlock(Object) : void   unlock(Object) : void	109109	3.03	0.00%	2.02	5.05	0.0 0.00%
getBlockingTimeout() : int   getBlockingTimeout() : int	117117	0.00	1.0100%	1.01	0.00	-1.0 -1.0 -
getName() : String   getName() : String	122122	0.00	1.0100%	1.01	0.00	-1.0 -1.0 -
getLockForKey(Object) : ReadWriteLockSync   getLockForKey(Object) : ReadWriteLockSync	127127	1.01	0.00%	1.01	1.01	0.0 0.00%
acquiredLockForKey(Object,ReadWriteLockSync,LockType) : void   acquiredLockForKey(Object,ReadWriteLockSync,LockType) : void	131131	8.08	0.00%	4.04	12.012	0.0 0.00%

 

Contributing tests

Source view

1		/**
2		* This file Copyright (c) 2017-2018 Magnolia International
3		* Ltd. (http://www.magnolia-cms.com). All rights reserved.
4		*
5		*
6		* This file is dual-licensed under both the Magnolia
7		* Network Agreement and the GNU General Public License.
8		* You may elect to use one or the other of these licenses.
9		*
10		* This file is distributed in the hope that it will be
11		* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12		* implied warranty of MERCHANTABILITY or FITNESS FOR A
13		* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14		* Redistribution, except as permitted by whichever of the GPL
15		* or MNA you select, is prohibited.
16		*
17		* 1. For the GPL license (GPL), you can redistribute and/or
18		* modify this file under the terms of the GNU General
19		* Public License, Version 3, as published by the Free Software
20		* Foundation. You should have received a copy of the GNU
21		* General Public License, Version 3 along with this program;
22		* if not, write to the Free Software Foundation, Inc., 51
23		* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24		*
25		* 2. For the Magnolia Network Agreement (MNA), this file
26		* and the accompanying materials are made available under the
27		* terms of the MNA which accompanies this distribution, and
28		* is available at http://www.magnolia-cms.com/mna.html
29		*
30		* Any modifications to this file must keep this entire header
31		* intact.
32		*
33		*/
34		package info.magnolia.module.cache.blocking;
35
36		import info.magnolia.module.cache.BlockingCache;
37		import info.magnolia.module.cache.CacheModule;
38		import info.magnolia.cache.concurrent.LockType;
39		import info.magnolia.cache.concurrent.ReadWriteLockSync;
40		import info.magnolia.cache.concurrent.StripedReadWriteLockSync;
41		import info.magnolia.module.cache.exception.MgnlLockTimeoutException;
42		import info.magnolia.module.cache.listeners.AbstractListeningCacheWrapper;
43
44		/**
45		* Abstract implementation of {@link info.magnolia.module.cache.BlockingCache}.
46		*/
		0% Uncovered Elements: 60 (60) Complexity: 16 Complexity Density: 0.42
47		public abstract class AbstractBlockingCache extends AbstractListeningCacheWrapper implements BlockingCache {
48
49		private volatile int blockingTimeout;
50		private final String name;
51		private final StripedReadWriteLockSync cacheLockProvider = new StripedReadWriteLockSync();
52
		0% Uncovered Elements: 3 (3) Complexity: 1 Complexity Density: 0.33
53	0	public AbstractBlockingCache(String name, CacheModule cacheModule, Integer blockingTimeout) {...
54	0	super(cacheModule);
55	0	this.blockingTimeout = blockingTimeout;
56	0	this.name = name;
57		}
58
		0% Uncovered Elements: 17 (17) Complexity: 3 Complexity Density: 0.23
59	0	@Override...
60		public final Object get(Object key) {
61	0	super.get(key);
62	0	ReadWriteLockSync lock = getLockForKey(key);
63	0	acquiredLockForKey(key, lock, LockType.READ);
64	0	Object element;
65	0	try {
66	0	element = this.getQuiet(key);
67		} finally {
68	0	lock.unlock(LockType.READ);
69		}
70	0	if (element == null) {
71	0	acquiredLockForKey(key, lock, LockType.WRITE);
72	0	element = this.getQuiet(key);
73	0	if (element != null) {
74	0	lock.unlock(LockType.WRITE);
75		}
76		}
77	0	return element;
78		}
79
		0% Uncovered Elements: 1 (1) Complexity: 1 Complexity Density: 1
80	0	@Override...
81		public final boolean hasElement(Object key) {
82	0	return get(key) != null;
83		}
84
		0% Uncovered Elements: 1 (1) Complexity: 1 Complexity Density: 1
85	0	@Override...
86		public final void put(Object key, Object value) {
87	0	put(key, value, -1);
88		}
89
		0% Uncovered Elements: 12 (12) Complexity: 3 Complexity Density: 0.38
90	0	@Override...
91		public final void put(Object key, Object value, int timeToLiveInSeconds) {
92	0	ReadWriteLockSync lock = getLockForKey(key);
93	0	if (!lock.isHeldByCurrentThread(LockType.WRITE)) {
94	0	lock.lock(LockType.WRITE);
95		}
96	0	try {
97	0	if (value != null) {
98	0	putQuiet(key, value, timeToLiveInSeconds);
99		}
100		} finally {
101		//Release the write lock here. This will have been acquired in the get, where the element was null
102	0	lock.unlock(LockType.WRITE);
103		}
104	0	super.put(key, value, timeToLiveInSeconds);
105		}
106
107		protected abstract void putQuiet(Object key, Object value, int timeToLiveInSeconds);
108
		0% Uncovered Elements: 5 (5) Complexity: 2 Complexity Density: 0.67
109	0	@Override...
110		public final void unlock(Object key) {
111	0	ReadWriteLockSync lock = getLockForKey(key);
112	0	if (lock.isHeldByCurrentThread(LockType.WRITE)) {
113	0	lock.unlock(LockType.WRITE);
114		}
115		}
116
		- Uncovered Elements: 0 (0) Complexity: 1 Complexity Density: -
117		@Override...
118		public int getBlockingTimeout() {
119		return blockingTimeout;
120		}
121
		- Uncovered Elements: 0 (0) Complexity: 1 Complexity Density: -
122		@Override...
123		public String getName() {
124		return name;
125		}
126
		0% Uncovered Elements: 1 (1) Complexity: 1 Complexity Density: 1
127	0	private ReadWriteLockSync getLockForKey(final Object key) {...
128	0	return cacheLockProvider.getSyncForKey(key);
129		}
130
		0% Uncovered Elements: 12 (12) Complexity: 4 Complexity Density: 0.5
131	0	private void acquiredLockForKey(final Object key, final ReadWriteLockSync lock, final LockType lockType) {...
132	0	if (blockingTimeout > 0) {
133	0	try {
134	0	boolean acquired = lock.tryLock(lockType, blockingTimeout);
135	0	if (!acquired) {
136	0	StringBuilder message = new StringBuilder("Lock timeout. Waited more than ")
137		.append(blockingTimeout)
138		.append("ms to acquire lock for key ")
139		.append(key).append(" on blocking cache ").append(this.getName());
140	0	throw new MgnlLockTimeoutException(message.toString());
141		}
142		} catch (InterruptedException e) {
143	0	throw new MgnlLockTimeoutException("Got interrupted while trying to acquire lock for key " + key, e);
144		}
145		} else {
146	0	lock.lock(lockType);
147		}
148		}
149
150		}