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Re: can I avoid a service to block as7 startup ?
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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/631639#631639">View the full discussion</a>
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<div class="jive-rendered-content"><p>Yes - I am trying to build a 'very' basic module loader. Instead of having multiple application from my collegues writing their own ME, I could have one ME handling different module startups - obviously with very basic or restricted type of service functionality (like no ejb support within, etc ...)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So, I think I have done that ok but it looks like I have some issues.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The problem must be around here :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="text-decoration: underline;">SubsystemState</span>:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><a class="jive-link-anchor-small">#</a></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 10pt;"><p align="left"> <strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">public</strong></strong><span style="font-size: 10pt;"> </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">static </strong></strong><span style="font-size: 10pt;">ServiceController<SubsystemState> addService(<span style="font-size: 10pt;">ServiceTarget serviceTarget, Activation activation) {  // activation is forced to eager</span></span></p></span><span style="font-size: 10pt;"><p align="left"><p align="left"><div align="left"><span style="font-size: 10pt;"><p align="left">     SubsystemState state = <strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new </strong></strong><span style="font-size: 10pt;">SubsystemState(); // will this be the object that will be injected into the FrameworkBootstrapService ?!?</span></p><p align="left">     state.setActivation(activation);</p></span></div></p></p></span></p></p><p><a class="jive-link-anchor-small">#</a></p><p><div><span style="font-size: 10pt;"><p align="left"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p></span></div></p><p><span style="font-size: 10pt;"><p align="left">     ServiceBuilder<SubsystemState> builder = serviceTarget.addService(<em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">SERVICE_NAME</em></em><span style="font-size: 10pt;">, state);<span style="font-size: 10pt;"><span style="font-size: 10pt;"> </span> };</span></span></p></span><span style="font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">protected</strong></strong><span style="font-size: 10pt;"> </span><strong><span style="color: #7f0055; font-size: 10pt;">void</span><span style="font-size: 10pt;"> performBoottime(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) {<span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"><p align="left">     context.addStep(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new </strong></strong><span style="font-size: 10pt;">AbstractDeploymentChainStep() {</span></p></span><p><div> </div></p></strong></span></p><p align="left">     builder.setInitialMode(Mode.<em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">ACTIVE</em></em><span style="font-size: 10pt;">);</span></p><p align="left"><span style="font-size: 10pt;">     <strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">return</strong></strong><span style="color: #000000; font-size: 10pt;"> builder.install()</span></span><p align="left"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p align="left"><span style="font-size: 10pt;"></span></p><p align="left"><p align="left"><span style="text-decoration: underline;">SubsystemAdd</span>:<span style="font-size: 10pt;"> </span></p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><div> </div></p><span style="font-size: 10pt;"><p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">     protected</strong></strong><span style="font-size: 10pt;"> </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">void</strong></strong>  <span style="font-size: 10pt;">execute(DeploymentProcessorTarget processorTarget) {<span style="font-size: 10pt;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span></span><p align="left"><span style="color: #3f7f5f; font-size: 10pt;"><p align="left"><span style="color: #3f7f5f; font-size: 10pt;">           // Add deployment dependency on the WAR/RAR/SAR applications</span></p></span></p><span style="font-size: 10pt;"><p align="left">           processorTarget.addDeploymentProcessor(Phase.</p></span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">           DEPENDENCIES</em></em><span style="font-size: 10pt;">, Phase.</span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">DEPENDENCIES_MODULE</em></em><span style="font-size: 10pt;">, </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new </strong></strong><span style="font-size: 10pt;">DependencyProcessor()); </span></p><span style="font-size: 10pt;"><p align="left"><p align="left">     }</p><span style="font-size: 10pt;"><p align="left">}, OperationContext.Stage.</p></span></p></span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">RUNTIME</em></em> <span style="font-size: 10pt;">); </span></span></p><p><p align="left"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p align="left">ServiceTarget serviceTarget = context.getServiceTarget();</p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;">  </p></p></p><p><span style="color: #3f7f5f; font-size: 10pt;"><p align="left"><span style="color: #3f7f5f; font-size: 10pt;">// Add the Subsystem State service - it will hold subsystem <span style="text-decoration: underline;">config</span>. Activation is EAGER for both.</span></p></span></p><p><span style="font-size: 10pt;"><p align="left">newControllers.add(SubsystemState.<em>addService</em>(serviceTarget, getActivationMode(operation)));</p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;">  </p></span></p><p><span style="color: #3f7f5f; font-size: 10pt;"><p align="left"><span style="color: #3f7f5f; font-size: 10pt;">// Add the service - all modules will be handled via the service</span></p></span></p><p><span style="font-size: 10pt;"><p align="left">newControllers.add(<span style="text-decoration: underline;"><span style="text-decoration: underline;">FrameworkBootstrapService.<em>addService</em></span></span><span style="text-decoration: underline;"><span style="text-decoration: underline;">(serviceTarget, verificationHandler</span></span><span style="text-decoration: underline;">)</span>);</p></span><p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p></p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><p><span style="font-size: 10pt;"><p><p align="left"><span style="font-size: 10pt;">So, to me, it looks like I am doing the right stuff. BUT ......</span></p><p align="left"><p align="left"><p style="min-height: 8pt; height: 8pt; padding: 0px;">  </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">  </p></p></p></p></span></p><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a></p><p>     </p><div class="mcePaste" id="_mcePaste" style="position: absolute; top: 45px; left: 0px;"></div></p><p><p>}</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p><span style="font-size: 10pt;"><p><span style="text-decoration: underline;">FrameworkBootstrapService</span>: - <em>dependency towards the SubsystemState added</em>.</p><p><span style=": ; font-size: 2;"></span><strong><span style=": ; color: #7f0055; font-size: 2;"><p>private</p><p><span style="font-size: 10pt;"><strong style=": ; color: #000000; font-size: 10pt;"></strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style=": ; font-size: 2;"><span style="font-size: 10pt;"><span style="font-size: 2;"><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">public</strong></strong><span style="font-size: 10pt;"> </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">static</strong></strong><span style="font-size: 10pt;"> ServiceController<FrameworkBootstrapService> addService(</span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">final</strong></strong><span style="font-size: 10pt;"> ServiceTarget target, </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">final</strong></strong><span style="font-size: 2;"> ServiceListener<Object>... listeners) {</span></span><span style="font-size: 10pt;"><span style="font-size: 2;"><p align="left">FrameworkBootstrapService service = </p></span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 2;"> FrameworkBootstrapService();</span></span><span style="font-size: 10pt;"><span style="font-size: 2;"><p align="left">ServiceBuilder<FrameworkBootstrapService> builder = target.addService(</p></span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">SERVICE_NAME</em></em><span style="font-size: 2;">, service);</span></span></span><span style="font-size: 2;"><p align="left"><span style="text-decoration: underline;">builder.addDependency(SubsystemState.</span></p></span><em style="color: #0000c0; font-size: 10pt;"><em style="color: #0000c0; font-size: 10pt;">SERVICE_NAME</em></em><span style="font-size: 10pt;">,SubsystemState.</span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">class</strong></strong><span style="font-size: 10pt;">, service.</span><span style="color: #0000c0; font-size: 10pt;">injectedSubsystemState</span><span style="font-size: 2;">);</span><span style=": ; font-size: 2;"><span style="font-size: 2;"><p><p align="left">builder.addListener(listeners);</p><p align="left" style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><span style="font-size: 2;"><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p></span></span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">return</strong></strong><span style="font-size: 10pt;"> builder.install();<p>}</p></span></span></p></span><span style="color: #000000; font-size: 10pt;"> </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">final</strong></strong><span style="color: #000000; font-size: 10pt;"> InjectedValue<SubsystemState> </span><span style="color: #0000c0; font-size: 10pt;">injectedSubsystemState</span><span style="color: #000000; font-size: 10pt;"> = </span><strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="color: #000000; font-size: 10pt;"> InjectedValue<SubsystemState>();</span></strong></p></span></p></p></div>
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