Examples of org.impalaframework.module.ModuleDefinitionSource

org.impalaframework.module.ModuleDefinitionSource
This interface defines a strategy for loading module definitions. The module definition hierarchy can be loaded by any implementation of {@link ModuleDefinitionSource}. Module definitions are not metadata. When you load a {@link ModuleDefinition} you are not loading the module, just anabstract representation of what the module is supposed to contain. There are a number of implementations of ModuleDefintionSource. Which implementation is best to use depends on the circumstances. {@link org.impalaframework.module.source.XMLModuleDefinitionSource} uses by default an moduledefinitions.xmlplaced on the web application class loader's class path (for example, in _WEB-INF\classes). For integration tests, it's easier to implement {@link org.impalaframework.module.source.InternalModuleDefinitionSource} incode the test directly. Here's an example:
```
 public class EntryDAOTest implements ModuleDefinitionSource { ... public RootModuleDefinition getModuleDefinition() { return new InternalModuleDefinitionSource(new String[]{"example-dao", "example-hibernate"}).getModuleDefinition(); } } 
```
The example above uses {@link InternalModuleDefinitionSource}, which involves a passed in array of names of modules. @see InternalModuleDefinitionSource @see XMLModuleDefinitionSource @author Phil Zoio

    }
    
    setNewOperationsFacade(facade);
    bundleContext.registerService(OperationsFacade.class.getName(), operations, null);
    
    ModuleDefinitionSource moduleDefinitionSource = maybeGetModuleDefinitionSource(bundleContext, facade);
    
    if (moduleDefinitionSource != null) {
      
      logger.info("Found module definition source for bootstrapping Impala modules: " + moduleDefinitionSource);
      operations.init(moduleDefinitionSource);

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    return new SimpleOperationsFacade(facade);
  }


  ModuleDefinitionSource maybeGetModuleDefinitionSource(BundleContext bundleContext, ModuleManagementFacade facade) {
    
    ModuleDefinitionSource moduleDefinitionSource = null;
    
    //TODO use dictionary property to distinguish between possible different services with the same interface
    ServiceReference serviceReference = bundleContext.getServiceReference(ModuleDefinitionSource.class.getName());
    
    if (serviceReference != null) {

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    public void reloadModules() {
        
        Assert.notNull(servletContext);


        ModuleManagementFacade facade = getFacade();
        ModuleDefinitionSource source = getSource();
        Application application = getApplication(facade);


        ModuleOperationInput moduleOperationInput = new ModuleOperationInput(source, null, null);
        
        ModuleOperation operation = facade.getModuleOperationRegistry().getOperation(ModuleOperationConstants.ReloadRootModuleOperation);

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    public void unloadModules() {
        
        Assert.notNull(servletContext);


        ModuleManagementFacade facade = getFacade();
        ModuleDefinitionSource source = getSource();
        Application application = getApplication(facade);


        ModuleOperationInput moduleOperationInput = new ModuleOperationInput(source, null, null);
        
        ModuleOperation operation = facade.getModuleOperationRegistry().getOperation(ModuleOperationConstants.CloseRootModuleOperation);

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        }
        return facade;
    }


    private ModuleDefinitionSource getSource() {
        ModuleDefinitionSource source = (ModuleDefinitionSource) servletContext
                .getAttribute(WebConstants.MODULE_DEFINITION_SOURCE_ATTRIBUTE);
        if (source == null) {
            throw new ConfigurationException(
                    "No instance of "
                            + ModuleDefinitionSource.class.getName()

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          "No instance of "
              + ModuleManagementFacade.class.getName()
              + " found. Your context loader needs to be configured to create an instance of this class and attach it to the ServletContext using the attribue WebConstants.IMPALA_FACTORY_ATTRIBUTE");
    }


    ModuleDefinitionSource source = (ModuleDefinitionSource) servletContext
        .getAttribute(WebConstants.MODULE_DEFINITION_SOURCE_ATTRIBUTE);
    if (source == null) {
      throw new ConfigurationException(
          "No instance of "
              + ModuleDefinitionSource.class.getName()

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        }


        Collections.reverse(modulesToLoad);
        this.parentDefinition = parent;
        
        ModuleDefinitionSource internalModuleBuilder = getModuleBuilder();
        return internalModuleBuilder.getModuleDefinition();
    }

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        inspectModules();
        return buildModules();
    }


    protected RootModuleDefinition buildModules() {
        ModuleDefinitionSource internalModuleBuilder = getModuleBuilder();
        return internalModuleBuilder.getModuleDefinition();
    }

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    WebXmlBasedContextLoader contextLoader = new WebXmlBasedContextLoader();


    replay(servletContext);


    ModuleDefinitionSource builder = contextLoader.getModuleDefinitionSource(servletContext, facade);
    RootModuleDefinition rootModuleDefinition = builder.getModuleDefinition();


    List<String> list = new ArrayList<String>();
    list.add("context1.xml");
    list.add("context2.xml");

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        }
        
        setNewOperationsFacade(facade);
        bundleContext.registerService(OperationsFacade.class.getName(), operations, null);
        
        ModuleDefinitionSource moduleDefinitionSource = maybeGetModuleDefinitionSource(bundleContext, facade);
        
        if (moduleDefinitionSource != null) {
            
            logger.info("Found module definition source for bootstrapping Impala modules: " + moduleDefinitionSource);
            operations.init(moduleDefinitionSource);

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Related Classes of org.impalaframework.module.ModuleDefinitionSource

org.impalaframework.interactive.command.InitContextCommand

org.impalaframework.interactive.command.LoadTestClassContextCommand

org.impalaframework.module.operation.RepairModuleOperationTest

org.impalaframework.module.operation.UpdateRootModuleOperation

org.impalaframework.module.operation.UpdateRootModuleOperationTest

org.impalaframework.module.source.IncrementalModuleDefinitionSource

org.impalaframework.module.source.InternalModuleDefinitionSource

org.impalaframework.osgi.extender.ImpalaActivator

org.impalaframework.spring.module.loader.DefaultApplicationContextLoaderTest

org.impalaframework.web.module.jmx.WebModuleReloader

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