Package org.impalaframework.module.spi

Examples of org.impalaframework.module.spi.ModuleStateHolder

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          + " as no attribute '" + WebConstants.IMPALA_FACTORY_ATTRIBUTE
          + "' has been set up. Have you set up your Impala ContextLoader correctly?");
    }

    final String servletName = servlet.getServletName();
    ModuleStateHolder moduleStateHolder = facade.getModuleStateHolder();
   
    if (!initialized) {
     
      ModuleStateChangeNotifier moduleStateChangeNotifier = facade.getModuleStateChangeNotifier();
      moduleStateChangeNotifier.addListener(new ModuleStateChangeListener() {
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        Assert.notNull(moduleOperationInput, "moduleOperationInput cannot be null");
        String moduleToReload = moduleOperationInput.getModuleName();
        Assert.notNull(moduleToReload, "moduleName is required as it specifies the name of the module to reload in "
                + this.getClass().getName());

        ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
        RootModuleDefinition oldRootDefinition = moduleStateHolder.cloneRootModuleDefinition();
        RootModuleDefinition newRootDefinition = moduleStateHolder.cloneRootModuleDefinition();

        ModificationExtractorRegistry modificationExtractor = getModificationExtractorRegistry();
        ModificationExtractor calculator = modificationExtractor
                .getModificationExtractor(ModificationExtractorType.STRICT);
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        String moduleToReload = moduleOperationInput.getModuleName();
        Assert.notNull(moduleToReload,
                "moduleName is required as it specifies the name used to match the module to reload in "
                        + this.getClass().getName());
       
        ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
        RootModuleDefinition newDefinition = moduleStateHolder.cloneRootModuleDefinition();

        ModuleDefinition found = newDefinition.findChildDefinition(moduleToReload, false);
        super.isReloadPermitted(found);

        if (found != null) {
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    }

    public ModuleOperationResult doExecute(Application application, ModuleOperationInput moduleOperationInput) {

        Assert.notNull(moduleOperationInput, "moduleOperationInput cannot be null");
        ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
       
        //note that the module definition source is externally supplied
        ModuleDefinitionSource newModuleDefinitionSource = moduleOperationInput.getModuleDefinitionSource();
        Assert.notNull(newModuleDefinitionSource, "moduleDefinitionSource is required as it specifies the new module definition to apply in " + this.getClass().getName());
       
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        Assert.notNull(classLoaderRegistryFactory, "classLoaderRegistryFactory cannot be null");
        Assert.notNull(moduleStateHolderFactory, "moduleStateHolderFactory cannot be null");
        Assert.notNull(serviceRegistryFactory, "serviceRegistryFactory cannot be null");
       
        ClassLoaderRegistry classLoaderRegistry = classLoaderRegistryFactory.newClassLoaderRegistry();
        ModuleStateHolder moduleStateHolder = moduleStateHolderFactory.newModuleStateHolder();
        ServiceRegistry serviceRegistry = serviceRegistryFactory.newServiceRegistry();
        Application application = new ImpalaApplication(classLoaderRegistry, moduleStateHolder, serviceRegistry, id);
   
        return application;
    }
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        boolean success = true;
       
        final String moduleName = currentDefinition.getName();
        logger.info("Loading definition " + moduleName);
       
        final ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
        final ServiceRegistry serviceRegistry = application.getServiceRegistry();
       
        if (moduleStateHolder.getModule(moduleName) == null) {

            ModuleRuntime moduleRuntime = getModuleRuntime(currentDefinition);
           
            try {
                RuntimeModule runtimeModule = moduleRuntime.loadRuntimeModule(application, currentDefinition);
                moduleStateHolder.putModule(moduleName, runtimeModule);
            }
            catch (Throwable e) {
               
                try {
                    serviceRegistry.evictModuleServices(moduleName);
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        final String moduleDefinition = currentDefinition.getName();
        logger.info("Unloading module " + moduleDefinition);

        boolean success = true;

        final ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
       
        RuntimeModule runtimeModule = moduleStateHolder.removeModule(moduleDefinition);
        if (runtimeModule != null) {
            try {
                ModuleRuntime moduleRuntime = getModuleRuntime(currentDefinition);
                moduleRuntime.closeModule(application, runtimeModule);
            }
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    protected TransitionResultSet addModule(
            Application application,
            ModificationExtractor calculator,
            ModuleDefinition moduleDefinition) {

        ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
       
        RootModuleDefinition oldRootDefinition = moduleStateHolder.cloneRootModuleDefinition();
        RootModuleDefinition newRootDefinition = moduleStateHolder.cloneRootModuleDefinition();

        ModuleDefinition parent = moduleDefinition.getParentDefinition();
       
        if (moduleDefinition instanceof RootModuleDefinition) {
            newRootDefinition = (RootModuleDefinition) moduleDefinition;
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    Assert.notNull(moduleOperationInput, "moduleOperationInput cannot be null");
    String moduleToReload = moduleOperationInput.getModuleName();
    Assert.notNull(moduleToReload, "moduleName is required as it specifies the name of the module to reload in "
        + this.getClass().getName());

    ModuleStateHolder moduleStateHolder = getModuleStateHolder();
    RootModuleDefinition oldRootDefinition = moduleStateHolder.cloneRootModuleDefinition();
    RootModuleDefinition newRootDefinition = moduleStateHolder.cloneRootModuleDefinition();

    ModificationExtractorRegistry modificationExtractor = getModificationExtractorRegistry();
    ModificationExtractor calculator = modificationExtractor
        .getModificationExtractor(ModificationExtractorType.STRICT);

    ModuleDefinition childDefinition = newRootDefinition.findChildDefinition(moduleToReload, true);

    if (childDefinition != null) {
      childDefinition.setState(ModuleState.STALE);

      TransitionSet transitions = calculator.getTransitions(oldRootDefinition, newRootDefinition);
      moduleStateHolder.processTransitions(transitions);

      boolean result = !transitions.getModuleTransitions().isEmpty();
      return result ? ModuleOperationResult.TRUE : ModuleOperationResult.FALSE;
    }
   
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        Assert.notNull(moduleOperationInput, "moduleOperationInput cannot be null");
        String moduleToRemove = moduleOperationInput.getModuleName();
        Assert.notNull(moduleToRemove, "moduleName is required as it specifies the name of the module to remove in " + this.getClass().getName());
       
        ModuleStateHolder moduleStateHolder = application.getModuleStateHolder();
        ModificationExtractor calculator = getModificationExtractorRegistry().getModificationExtractor(ModificationExtractorType.STRICT);
        TransitionResultSet transitionResultSet = removeModule(moduleStateHolder, application, calculator, moduleToRemove);
       
        boolean hasResults = transitionResultSet.hasResults();
        return hasResults ? new ModuleOperationResult(transitionResultSet) : ModuleOperationResult.EMPTY;
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Related Classes of org.impalaframework.module.spi.ModuleStateHolder

  • org.impalaframework.facade.BootstrapContextTest
  • org.impalaframework.facade.ImpalaGraphTest
  • org.impalaframework.jmx.spring.JMXBootstrapContextTest
  • org.impalaframework.module.factory.ModuleStateHolderFactoryTest
  • org.impalaframework.module.factory.SimpleApplicationFactory
  • org.impalaframework.module.operation.AddModuleOperation
  • org.impalaframework.module.operation.CloseRootModuleOperation
  • org.impalaframework.module.operation.LockingModuleOperationTest
  • org.impalaframework.module.operation.ReloadModuleNamedLikeOperation
  • org.impalaframework.module.operation.ReloadNamedModuleOperation
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