1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
|
package org.qedeq.kernel.bo.service.internal; |
17 |
|
|
18 |
|
import java.util.HashMap; |
19 |
|
import java.util.Iterator; |
20 |
|
import java.util.Map; |
21 |
|
|
22 |
|
import org.qedeq.base.trace.Trace; |
23 |
|
import org.qedeq.base.utility.StringUtility; |
24 |
|
import org.qedeq.kernel.bo.common.QedeqBo; |
25 |
|
import org.qedeq.kernel.bo.common.QedeqBoSet; |
26 |
|
import org.qedeq.kernel.bo.common.ServiceJob; |
27 |
|
import org.qedeq.kernel.bo.job.InternalModuleServiceCallImpl; |
28 |
|
import org.qedeq.kernel.bo.module.InternalModuleServiceCall; |
29 |
|
import org.qedeq.kernel.bo.module.InternalServiceJob; |
30 |
|
import org.qedeq.kernel.bo.module.ModuleArbiter; |
31 |
|
import org.qedeq.kernel.se.common.Service; |
32 |
|
import org.qedeq.kernel.se.visitor.InterruptException; |
33 |
|
|
34 |
|
|
35 |
|
|
36 |
|
|
37 |
|
|
38 |
|
|
39 |
|
|
40 |
|
@author |
41 |
|
|
|
|
| 54.7% |
Uncovered Elements: 53 (117) |
Complexity: 31 |
Complexity Density: 0.43 |
|
42 |
|
public class ModuleArbiterImpl implements ModuleArbiter { |
43 |
|
|
44 |
|
|
45 |
|
private static final Class CLASS = ModuleArbiterImpl.class; |
46 |
|
|
47 |
|
|
48 |
|
private final Map blocked; |
49 |
|
|
50 |
|
|
51 |
|
|
52 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
53 |
528
|
public ModuleArbiterImpl() {... |
54 |
528
|
blocked = new HashMap(); |
55 |
|
} |
56 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (8) |
Complexity: 1 |
Complexity Density: 0.12 |
|
57 |
1589
|
public boolean lockRequiredModule(final InternalModuleServiceCall call) throws InterruptException {... |
58 |
1589
|
call.pause(); |
59 |
1589
|
call.getInternalServiceProcess().setBlocked(true); |
60 |
1589
|
try { |
61 |
1589
|
final boolean result = lockRequiredModule(call.getInternalServiceProcess(), call.getQedeq(), |
62 |
|
call.getService()); |
63 |
1589
|
((InternalModuleServiceCallImpl) call).setNewlyBlockedModule(result); |
64 |
1589
|
return result; |
65 |
|
} finally { |
66 |
1589
|
call.getInternalServiceProcess().setBlocked(false); |
67 |
1589
|
call.resume(); |
68 |
|
} |
69 |
|
} |
70 |
|
|
|
|
| 45.5% |
Uncovered Elements: 12 (22) |
Complexity: 5 |
Complexity Density: 0.31 |
|
71 |
1589
|
private boolean lockRequiredModule(final InternalServiceJob process,... |
72 |
|
final QedeqBo qedeq, final Service service) throws InterruptException { |
73 |
1589
|
if (isAlreadyLocked(process, qedeq)) { |
74 |
497
|
return false; |
75 |
|
} |
76 |
1092
|
process.setBlocked(true); |
77 |
|
|
78 |
1092
|
try { |
79 |
1092
|
while (!lock(process, qedeq, service)) { |
80 |
0
|
final Object monitor = new Object(); |
81 |
0
|
synchronized (monitor) { |
82 |
0
|
try { |
83 |
0
|
monitor.wait(1000); |
84 |
|
} catch (InterruptedException e) { |
85 |
0
|
process.setInterruptedState(); |
86 |
0
|
throw new InterruptException(qedeq.getModuleAddress().createModuleContext()); |
87 |
|
} |
88 |
|
} |
89 |
0
|
if (Thread.interrupted()) { |
90 |
0
|
process.setInterruptedState(); |
91 |
0
|
throw new InterruptException(qedeq.getModuleAddress().createModuleContext()); |
92 |
|
} |
93 |
|
} |
94 |
|
} finally { |
95 |
1092
|
process.setBlocked(false); |
96 |
|
} |
97 |
1092
|
return true; |
98 |
|
} |
99 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (5) |
Complexity: 3 |
Complexity Density: 1 |
|
100 |
1741
|
public boolean unlockRequiredModule(final InternalModuleServiceCall call) {... |
101 |
|
|
102 |
1741
|
if (call != null && ((InternalModuleServiceCallImpl) call).getNewlyBlockedModule()) { |
103 |
1092
|
return unlockRequiredModule(call.getInternalServiceProcess(), call.getQedeq()); |
104 |
|
} |
105 |
649
|
return false; |
106 |
|
} |
107 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
108 |
1092
|
public boolean unlockRequiredModule(final ServiceJob process, final QedeqBo qedeq) {... |
109 |
1092
|
return unlock(process, qedeq); |
110 |
|
|
111 |
|
} |
112 |
|
|
|
|
| 52.9% |
Uncovered Elements: 8 (17) |
Complexity: 4 |
Complexity Density: 0.36 |
|
113 |
1092
|
private synchronized boolean lock(final ServiceJob process, final QedeqBo qedeq, final Service service) {... |
114 |
1092
|
final String method = "lock"; |
115 |
1092
|
if (Trace.isTraceOn()) { |
116 |
0
|
Trace.info(CLASS, this, method, getName(process) + " is trying to lock " + qedeq.getName()); |
117 |
|
} |
118 |
1092
|
final ServiceJob origin = getProcess(qedeq); |
119 |
1092
|
if (origin != null) { |
120 |
0
|
if (Trace.isTraceOn()) { |
121 |
0
|
Trace.info(CLASS, this, method, getName(process) + " failed to lock " + qedeq.getName() |
122 |
|
+ "\tbecause it is locked by " + getName(origin)); |
123 |
|
} |
124 |
0
|
return false; |
125 |
|
} |
126 |
1092
|
addLock(process, qedeq); |
127 |
1092
|
((DefaultKernelQedeqBo) qedeq).setCurrentlyRunningService(service); |
128 |
1092
|
return true; |
129 |
|
} |
130 |
|
|
|
|
| 47.8% |
Uncovered Elements: 12 (23) |
Complexity: 5 |
Complexity Density: 0.33 |
|
131 |
1092
|
private synchronized boolean unlock(final ServiceJob process, final QedeqBo qedeq) {... |
132 |
1092
|
final String method = "unlock"; |
133 |
1092
|
if (Trace.isTraceOn()) { |
134 |
0
|
Trace.info(CLASS, this, method, getName(process) + " is trying to unlock " + qedeq.getName()); |
135 |
|
} |
136 |
1092
|
((DefaultKernelQedeqBo) qedeq).setCurrentlyRunningService(null); |
137 |
1092
|
final ServiceJob origin = getProcess(qedeq); |
138 |
1092
|
if (origin != null) { |
139 |
1092
|
if (origin.equals(process)) { |
140 |
1092
|
removeLock(process, qedeq); |
141 |
1092
|
return true; |
142 |
|
} else { |
143 |
0
|
RuntimeException e = new IllegalArgumentException(getName(process) + " illegal unlock try for " |
144 |
|
+ qedeq.getName() + " which is currently locked by service process " + getName(origin)); |
145 |
0
|
Trace.fatal(CLASS, this, method, "Programming error. Unallowed unlock try.", e); |
146 |
|
|
147 |
0
|
throw e; |
148 |
|
} |
149 |
|
} else { |
150 |
0
|
if (Trace.isTraceOn()) { |
151 |
0
|
Trace.info(CLASS, this, method, getName(process) + " unlock unnecessary " + qedeq.getName()); |
152 |
|
} |
153 |
0
|
return false; |
154 |
|
} |
155 |
|
} |
156 |
|
|
|
|
| 0% |
Uncovered Elements: 3 (3) |
Complexity: 2 |
Complexity Density: 2 |
|
157 |
0
|
private String getName(final ServiceJob process) {... |
158 |
0
|
return StringUtility.format(process.getId(), 3) + " " |
159 |
0
|
+ (process.getModuleServiceCall() != null ? StringUtility.getLastDotString( |
160 |
|
process.getModuleServiceCall().getService().getServiceId()) : ""); |
161 |
|
} |
162 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
163 |
2184
|
private synchronized ServiceJob getProcess(final QedeqBo qedeq) {... |
164 |
2184
|
return (ServiceJob) blocked.get(qedeq); |
165 |
|
} |
166 |
|
|
|
|
| 100% |
Uncovered Elements: 0 (1) |
Complexity: 1 |
Complexity Density: 1 |
|
167 |
1589
|
private synchronized boolean isAlreadyLocked(final ServiceJob process,... |
168 |
|
final QedeqBo qedeq) { |
169 |
1589
|
return process.equals(blocked.get(qedeq)); |
170 |
|
} |
171 |
|
|
|
|
| 60% |
Uncovered Elements: 2 (5) |
Complexity: 2 |
Complexity Density: 0.67 |
|
172 |
1092
|
private synchronized void addLock(final ServiceJob process, final QedeqBo qedeq) {... |
173 |
1092
|
if (Trace.isTraceOn()) { |
174 |
0
|
Trace.info(CLASS, this, "addLock", getName(process) + " locked successfuly " + qedeq.getName()); |
175 |
|
} |
176 |
1092
|
blocked.put(qedeq, process); |
177 |
|
} |
178 |
|
|
|
|
| 60% |
Uncovered Elements: 2 (5) |
Complexity: 2 |
Complexity Density: 0.67 |
|
179 |
1092
|
private synchronized void removeLock(final ServiceJob process, final QedeqBo qedeq) {... |
180 |
1092
|
if (Trace.isTraceOn()) { |
181 |
0
|
Trace.info(CLASS, this, "removeLock", getName(process) + " unlocked " + qedeq.getName()); |
182 |
|
} |
183 |
1092
|
blocked.remove(qedeq); |
184 |
|
} |
185 |
|
|
|
|
| 0% |
Uncovered Elements: 12 (12) |
Complexity: 3 |
Complexity Density: 0.38 |
|
186 |
0
|
public synchronized QedeqBoSet getBlockedModules(final ServiceJob process) {... |
187 |
0
|
QedeqBoSet result = new QedeqBoSet(); |
188 |
0
|
final Iterator i = blocked.entrySet().iterator(); |
189 |
0
|
while (i.hasNext()) { |
190 |
0
|
final Map.Entry entry = (Map.Entry) i.next(); |
191 |
0
|
QedeqBo qedeq = (QedeqBo) entry.getKey(); |
192 |
0
|
if (process.equals(entry.getValue())) { |
193 |
0
|
result.add(qedeq); |
194 |
|
} |
195 |
|
} |
196 |
0
|
return result; |
197 |
|
} |
198 |
|
|
199 |
|
} |