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Re: META-INF/services for module extensions - question/issue
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created by <a href="http://community.jboss.org/people/lmcdasi">Dan Sirbu</a> in <i>JBoss AS7 Development</i> - <a href="http://community.jboss.org/message/625780#625780">View the full discussion</a>
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<div class="jive-rendered-content"><p>Sorry Brian, but it does not look to me that is working. I did not go too far: ME-->M1 does not work so ....</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>ME: module.xml has dependencies:</p><p>      <module name="com.module.first"/>        M1<br/>      <module name="com.module.second"/>   M2<br/>      <module name="com.module.third"/>       M3</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Then in the TCCL class:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style=": ; color: #7f0055; font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style=": ; color: #7f0055; font-size: 2;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;"><p align="left">import<span style="color: #000000; font-size: 10pt;"> com.module.first.services.TestServicesIfc;</span></p></strong></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;"><p>import<span style="color: #000000; font-size: 10pt;"> com.module.first.services.TestServicesImpl;</span></p></strong></strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>.....</p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;"><p align="left">module = Module.<em>getCallerModuleLoader</em>().loadModule(myModule.getIdentifier());</p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style="font-size: 10pt;"><span style="font-size: 2;"><p align="left">ServiceLoader<?> serviceLoader = module.loadService(TestServicesIfc.</p></span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">class</strong></strong><span style="font-size: 2;">);                      <--- SUCCESS since it is using the jboss-modules api</span></span></span></p><p><span style="font-size: 10pt;"><p><p>Iterator<?> serviceIter = serviceLoader.iterator();</p></p><strong style=": ; color: #7f0055; font-size: 2;"><p align="left">if</p><p align="left"><span style="font-size: 10pt;"><span style="color: #000000;"> (serviceIter.hasNext()) {</span><span style="font-size: 2;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span></p><em><span style=": ; color: #0000c0; font-size: 2;">log</span><span style="font-size: 10pt;">.info(</span><span style="color: #2a00ff; font-size: 10pt;">"TestServicesIfc -------> Found services class"</span><p><span style="font-size: 10pt;">);</span></p><p><p><span style="font-size: 10pt;">......</span></p><p><span style="font-size: 10pt;">ServiceLoader<TestServicesIfc> myService = ServiceLoader.<em>load</em>(TestServicesIfc.</span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">class</strong></strong><span style="font-size: 2;">);        <-- FAILS</span><span style="font-size: 2;"><p><p align="left">Iterator<TestServicesIfc> iter = myService.iterator();</p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style="font-size: 10pt;"><span style="font-size: 2;"><p align="left">} </p></span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">else</strong></strong><span style="font-size: 2;"> {</span></span><span style="font-size: 10pt;"><span style="font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">log</em></em><span style="font-size: 10pt;">.info(</span><span style="color: #2a00ff; font-size: 10pt;">"TestServicesIfc -------> NOT Second Found services class"</span><span style="font-size: 2;">);</span></span><span style="font-size: 10pt;"><p>}</p></span></p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p>10:44:57,216 INFO  [org.jboss.as.jmx.JMXConnectorService] (MSC service thread 1-2) Starting remote JMX connector<br/>10:44:57,217 INFO  [org.jboss.as.remoting] (MSC service thread 1-3) Listening on /127.0.0.1:9999<br/>10:44:59,268 INFO  [org.jboss.as.connector] (MSC service thread 1-3) Starting JCA Subsystem (JBoss IronJacamar 1.0.3.Fin<br/>al)<br/>10:44:59,705 INFO  [org.jboss.as.connector.subsystems.datasources] (MSC service thread 1-2) Bound data source [java:jbos<br/>s/datasources/ExampleDS]<br/>10:45:36,561 INFO  [com.modext.dans.services.TCCLSingletonService] (MSC service thread 1-4) TestServicesIfc -------> Fou<br/>nd services class<br/>10:45:38,274 INFO  [com.module.first.services.TestServicesImpl] (MSC service thread 1-4) HELLO<br/>10:45:50,258 INFO  [com.modext.dans.services.TCCLSingletonService] (MSC service thread 1-4) TestServicesIfc -------> NOT<br/> Second Found services class<br/>10:45:55,941 INFO  [org.jboss.as.deployment] (MSC service thread 1-3) Started FileSystemDeploymentService for directory<br/>c:\jboss-as-7.1.0.Alpha1-SNAPSHOT\standalone\deployments<br/>10:45:55,979 INFO  [org.jboss.as] (Controller Boot Thread) JBoss AS 7.1.0.Alpha1-SNAPSHOT "Lightning" started in 69825ms<br/> - Started 94 of 149 services (55 services are passive or on-demand)<br/>10:45:58,719 INFO  [org.jboss.as.osgi] (MSC service thread 1-3) Stopping OSGi Framework<br/>10:45:58,737 INFO  [org.jboss.as.logging] Restored bootstrap log handlers<br/>10:45:58,792 INFO  [com.arjuna.ats.jbossatx] ARJUNA32018: Destroying TransactionManagerService<br/>10:45:58,794 INFO  [com.arjuna.ats.jbossatx] ARJUNA32014: Stopping transaction recovery manager<br/>10:45:58,799 INFO  [org.jboss.as] <span style="text-decoration: underline;"><em><strong>JBoss AS 7.1.0.Alpha1-SNAPSHOT </strong></em></span>"Lightning" stopped in 96ms</p></span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">if</strong></strong><span style="font-size: 10pt;"> (iter.hasNext()) {<span style="font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">log</em></em><span style="font-size: 10pt;">.info(</span><span style="color: #2a00ff; font-size: 10pt;">"TestServicesIfc -------> Second trial: Found services class"</span><span style="font-size: 2;">);</span></span></p></p></em></strong></span><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><div class="mcePaste" id="_mcePaste" style="position: absolute; top: 0px; left: 0px;"></div></p></div>
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