Examples of org.milyn.javabean.context.BeanContext

org.milyn.javabean.context.BeanContext
Bean Context
This class represents a context of bean's and the means to get and set there instances.
This class uses a {@link BeanIdStore} to optimize the access performance. Ifall the {@link BeanId} objects are registered with the BeanIdStore before this objectis created then you get 'direct access' performance.
For performance reasons it is best to register all BeanId objects up front. Because if new BeanId objects are registered after the BeanContext is created then the BeanContext needs to do synchronize with the BeanIdStore,
It is possible to get the bean by it's bean id String name. However this isn't as fast as using the BeanId objects. @author maurice.zeijen@smies.com

    /**
     * Execute the cleanup.
     * @param executionContext The execution context.
     */
    public void executeExecutionLifecycleCleanup(ExecutionContext executionContext) {
        BeanContext beanContext = executionContext.getBeanContext();
        Set<Entry<String, Object>> beanSet = beanContext.getBeanMap().entrySet();


        for(Entry<String, Object> beanEntry : beanSet) {
            String beanID = beanEntry.getKey();
            if(!beanIDSet.contains(beanID)) {
              beanContext.removeBean(beanID, null);
            }
        }
    }

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                    // Attach the source and results to the context...
                    FilterSource.setSource(executionContext, source);
                    FilterResult.setResults(executionContext, results);


                    // Add pre installed beans + global BeanContext lifecycle observers...
                    BeanContext beanContext = executionContext.getBeanContext();
                    beanContext.addBean(Time.BEAN_ID, new Time());
                    beanContext.addBean(UniqueID.BEAN_ID, new UniqueID());
                    for(BeanContextLifecycleObserver observer : context.getBeanContextLifecycleObservers()) {
                        beanContext.addObserver(observer);
                    }


                    try {
                        deliveryConfig.executeHandlerInit(executionContext);
                      messageFilter.doFilter();
                    } finally {
                        try {
                            // We want to make sure that all the beans from the BeanContext are available in the
                            // JavaResult, if one is supplied by the user...
                            JavaResult javaResult = (JavaResult) FilterResult.getResult(executionContext, JavaResult.class);
                            if(javaResult != null) {
                                javaResult.getResultMap().putAll(executionContext.getBeanContext().getBeanMap());
                            }


                            // Remove the pre-installed beans...
                            beanContext.removeBean(Time.BEAN_ID, null);
                            beanContext.removeBean(UniqueID.BEAN_ID, null);
                        } finally {
                            deliveryConfig.executeHandlerCleanup(executionContext);
                        }
                    }
                } catch(SmooksException e) {

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    long begin = System.currentTimeMillis();
    for(int l = 0; l < loops; l++) {


      for(BeanId id: beanIds) {
        BeanContext beanContext = executionContext.getBeanContext();
        beanContext.addBean(id, bean, null);
      }
      for(BeanId id: beanIds) {
        BeanContext beanContext = executionContext.getBeanContext();
        beanContext.getBean(id);
      }
    }
    long end  = System.currentTimeMillis();


    if(!warmup) {

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    count(executionContext, new Fragment(element));
  }


  public void count(ExecutionContext executionContext, Fragment source) {
    BeanContext beanContext = executionContext.getBeanContext();


    Long value = (Long) beanContext.getBean(beanId);


    if(value == null || (resetCondition != null && resetCondition.eval(beanContext.getBeanMap()))) {
      value = getStart(beanContext);
    } else {
      int amount = getAmount(beanContext);


      if(countDirection == CountDirection.INCREMENT) {
        value = value + amount;
      } else {
        value = value - amount;
      }
    }
    beanContext.addBean(beanId, value, source);
  }

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    }


    @SuppressWarnings("unchecked")
  private void test_appContextTime(Smooks smooks) throws IOException, SAXException, InterruptedException {
        ExecutionContext execContext = smooks.createExecutionContext();
        BeanContext beanContext = execContext.getBeanContext();


        smooks.filterSource(execContext, new StringSource("<doc/>"), null);
        List orders11 = (List) beanContext.getBean("orders1");
        List orders12 = (List) beanContext.getBean("orders2");


        smooks.filterSource(execContext, new StringSource("<doc/>"), null);
        List orders21 = (List) beanContext.getBean("orders1");
        List orders22 = (List) beanContext.getBean("orders2");


        assertTrue(orders11 != orders21);
        assertTrue(orders12 == orders22); // order12 should come from the app context cache


        // timeout the cached resultset...
        Thread.sleep(2050);


        smooks.filterSource(execContext, new StringSource("<doc/>"), null);
        List orders31 = (List) beanContext.getBean("orders1");
        List orders32 = (List) beanContext.getBean("orders2");


        assertTrue(orders11 != orders31);
        assertTrue(orders12 != orders32); // order12 shouldn't come from the app context cache - timed out ala TTL


        smooks.filterSource(execContext, new StringSource("<doc/>"), null);
        List orders41 = (List) beanContext.getBean("orders1");
        List orders42 = (List) beanContext.getBean("orders2");


        assertTrue(orders31 != orders41);
        assertTrue(orders32 == orders42); // order42 should come from the app context cache
    }

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  public void test_ResultsetRowSelector_01() throws IOException, SAXException, InterruptedException {
        Smooks smooks = new Smooks(getClass().getResourceAsStream("smooks-config.xml"));


        try {
            ExecutionContext execContext = smooks.createExecutionContext();
            BeanContext beanContext = execContext.getBeanContext();


            smooks.filterSource(execContext, new StringSource("<doc/>"), null);
            Map<String, Object> myOrder = (Map<String, Object>) beanContext.getBean("myOrder");


            assertEquals("{ORDERNUMBER=2, CUSTOMERNUMBER=2, PRODUCTCODE=456}", myOrder.toString());
        } finally {
            smooks.close();
        }

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  public void test_ResultsetRowSelector_02() throws IOException, SAXException, InterruptedException {
        Smooks smooks = new Smooks(getClass().getResourceAsStream("smooks-config-failed-select-01.xml"));


        try {
            ExecutionContext execContext = smooks.createExecutionContext();
            BeanContext beanContext = execContext.getBeanContext();


            smooks.filterSource(execContext, new StringSource("<doc/>"), null);
            Map<String, Object> myOrder = (Map<String, Object>) beanContext.getBean("myOrder");


            assertEquals(null, myOrder);
        } finally {
            smooks.close();
        }

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    public void test_ResultsetRowSelector_03() throws IOException, SAXException, InterruptedException {
        Smooks smooks = new Smooks(getClass().getResourceAsStream("smooks-config-failed-select-02.xml"));


        try {
            ExecutionContext execContext = smooks.createExecutionContext();
            BeanContext beanContext = execContext.getBeanContext();
            BeanIdStore beanIdStore =  execContext.getContext().getBeanIdStore();


            BeanId requiredOrderNumId = beanIdStore.register("requiredOrderNum");


            beanContext.addBean(requiredOrderNumId, 9999, null);
            try {
                smooks.filterSource(execContext, new StringSource("<doc/>"), null);
                fail("Expected DataSelectionException");
            } catch(SmooksException e) {
                assertEquals("Order with ORDERNUMBER=9999 not found in Database", e.getCause().getMessage());

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    @Before
  public void setupSmooksExeceutionContext() throws Exception
  {
    endpoint = createAndConfigureMockEndpoint(END_POINT_URI);
    Exchange exchange = createExchangeAndSetFromEndpoint(endpoint);
    BeanContext beanContext = createBeanContextAndSetBeanInContext(BEAN_ID, myBean);
    
    smooksExecutionContext = createStandaloneExecutionContext();
    setExchangeAsAttributeInExecutionContext(exchange);
    makeExecutionContextReturnBeanContext(beanContext);
  }

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            decodeAndSetPropertyValue(propertyName, dataString, executionContext, new Fragment(element));
        }
    }


    private void bindBeanValue(final ExecutionContext executionContext, Fragment source) {
      final BeanContext beanContext = executionContext.getBeanContext();
      Object bean = null;
      
      if(wireBeanId != null) {
        bean = beanContext.getBean(wireBeanId);
      }


        if(bean != null) {
      if(!BeanWiringObserver.isMatchingBean(bean, wireBeanType, wireBeanAnnotation)) {
        bean = null;
      }
        }
      
        if(bean == null) {


            if(logger.isDebugEnabled()) {
                logger.debug("Registering bean ADD wiring observer for wiring bean '" + wireBeanId + "' onto target bean '" + beanId.getName() + "'.");
            }


            // Register the observer which looks for the creation of the selected bean via its beanIdName...
            beanContext.addObserver(wireByBeanIdObserver);
        } else {
            populateAndSetPropertyValue(bean, beanContext, wireBeanId, executionContext, source);
        }
  }

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