Examples of TransitionSet

Examples of org.impalaframework.module.spi.TransitionSet

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        ModuleDefinition plugin4 = new SimpleModuleDefinition(plugin2, "plugin4");
        new SimpleModuleDefinition(plugin4, "plugin5");
        new SimpleModuleDefinition(plugin4, "plugin6");

        ModificationExtractor calculator = new StrictModificationExtractor();
        TransitionSet transitions = calculator.getTransitions(application, parentSpec1, parentSpec2);
       
        Iterator<? extends ModuleStateChange> iterator = doAssertions(transitions, 4);
       
        ModuleStateChange change3 = iterator.next();
        assertEquals("plugin3", change3.getModuleDefinition().getName());
        assertEquals(Transition.LOADED_TO_UNLOADED, change3.getTransition());
       
        //now show that the sticky calculator has the same set of changes, but omits the last one
        ModificationExtractor stickyCalculator = new StickyModificationExtractor();
        TransitionSet stickyTransitions = stickyCalculator.getTransitions(application, parentSpec1, parentSpec2);
        doAssertions(stickyTransitions, 3);
    }
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Examples of org.impalaframework.module.spi.TransitionSet

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        RootModuleDefinition parentSpec1 = ModificationTestUtils.spec("app-context1.xml", "plugin1, plugin2, plugin4");
        RootModuleDefinition parentSpec2 = ModificationTestUtils.spec("app-context1.xml", "plugin1, plugin2, plugin3");

        //now show that the sticky calculator has the same set of changes, but omits the last one
        ModificationExtractor stickyCalculator = new StickyModificationExtractor();
        TransitionSet stickyTransitions = stickyCalculator.getTransitions(application, parentSpec1, parentSpec2);
       
        Collection<? extends ModuleStateChange> moduleTransitions = stickyTransitions.getModuleTransitions();
        assertEquals(1, moduleTransitions.size());
       
        Iterator<? extends ModuleStateChange> iterator = moduleTransitions.iterator();

        ModuleStateChange first = iterator.next();
        assertEquals(Transition.UNLOADED_TO_LOADED, first.getTransition());
        assertEquals("plugin3", first.getModuleDefinition().getName());
       
        RootModuleDefinition newSpec = stickyTransitions.getNewRootModuleDefinition();
        Collection<String> moduleNames = newSpec.getChildModuleNames();
        assertEquals(4, moduleNames.size());
        assertNotNull(newSpec.getChildModuleDefinition("plugin1"));
        assertNotNull(newSpec.getChildModuleDefinition("plugin2"));
        assertNotNull(newSpec.getChildModuleDefinition("plugin3"));
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Examples of org.impalaframework.module.spi.TransitionSet

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        }
    }

    public void testGetSimpleTransitions() {
        RootModuleDefinition rootModuleDefinition = ModificationTestUtils.spec("app-context.xml", "plugin1, plugin2");
        TransitionSet transitionsFromOriginal = calculator.getTransitions(application, rootModuleDefinition, null);
        assertEquals(null, transitionsFromOriginal.getNewRootModuleDefinition());

        TransitionSet transitionsToNew = calculator.getTransitions(application, null, rootModuleDefinition);
        assertEquals(rootModuleDefinition, transitionsToNew.getNewRootModuleDefinition());
    }
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Examples of org.impalaframework.module.spi.TransitionSet

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    public void testModifiedParent() {
        RootModuleDefinition parentSpec1 = ModificationTestUtils.spec("app-context1.xml", "plugin1, plugin2");
        RootModuleDefinition parentSpec2 = ModificationTestUtils.spec("app-context2.xml", "plugin1, plugin2");

        TransitionSet transitions = calculator.getTransitions(application, parentSpec1, parentSpec2);
        assertEquals(parentSpec2, transitions.getNewRootModuleDefinition());

        Collection<? extends ModuleStateChange> moduleTransitions = transitions.getModuleTransitions();
        assertEquals(6, moduleTransitions.size());

        Iterator<? extends ModuleStateChange> iterator = moduleTransitions.iterator();
        ModuleStateChange change1 = iterator.next();
        ModuleStateChange change2 = iterator.next();
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Examples of org.impalaframework.module.spi.TransitionSet

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

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

            TransitionSet transitions = calculator.getTransitions(application, oldRootDefinition, newRootDefinition);
            TransitionResultSet transitionResultSet = getTransitionManager().processTransitions(moduleStateHolder, application, transitions);

            boolean result = !transitions.getModuleTransitions().isEmpty();
            return result ? new ModuleOperationResult(transitionResultSet) : ModuleOperationResult.EMPTY;
        }
       
        return ModuleOperationResult.EMPTY;
    }
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Examples of org.impalaframework.module.spi.TransitionSet

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                .getModificationExtractor(ModificationExtractorType.STRICT);
        RootModuleDefinition rootModuleDefinition = moduleStateHolder.getRootModuleDefinition();
       
        if (rootModuleDefinition != null) {
            logger.info("Shutting down application context");
            TransitionSet transitions = calculator.getTransitions(application, rootModuleDefinition, null);
            TransitionResultSet transitionResultSet = getTransitionManager().processTransitions(moduleStateHolder, application, transitions);
            return new ModuleOperationResult(transitionResultSet);
        }
        else {
            return new ModuleOperationResult(new TransitionResultSet());
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Examples of org.impalaframework.module.spi.TransitionSet

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    populateTransitions(transitions, originalDefinition, newDefinition);
   
    if (newDefinition != null) {
      ModuleDefinitionUtils.freeze(newDefinition);
    }
    return new TransitionSet(transitions, newDefinition);
  }
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Examples of org.impalaframework.module.spi.TransitionSet

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        if (oldModuleDefinition == null && newModuleDefinition == null) {
            return ModuleOperationResult.EMPTY;
        }
       
        TransitionSet transitions = calculator.getTransitions(application, oldModuleDefinition, newModuleDefinition);
        TransitionResultSet transitionResultSet = getTransitionManager().processTransitions(moduleStateHolder, application, transitions);
        return new ModuleOperationResult(transitionResultSet);
    }
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Examples of org.impalaframework.module.spi.TransitionSet

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        ModuleDefinition definitionToRemove = newRootDefinition.findChildDefinition(moduleToRemove, true);

        if (definitionToRemove != null) {
            if (definitionToRemove instanceof RootModuleDefinition) {
                //we're removing the rootModuleDefinition
                TransitionSet transitions = calculator.getTransitions(application, oldRootDefinition, null);
                TransitionResultSet transitionResultSet = getTransitionManager().processTransitions(moduleStateHolder, application, transitions);
                return transitionResultSet;
            }
            else {
                ModuleDefinition parent = definitionToRemove.getParentDefinition();
                if (parent != null) {
                    parent.removeChildModuleDefinition(moduleToRemove);
                   
                    definitionToRemove.setParentDefinition(null);

                    TransitionSet transitions = calculator.getTransitions(application, oldRootDefinition, newRootDefinition);
                    TransitionResultSet transitionResultSet = getTransitionManager().processTransitions(moduleStateHolder, application, transitions);
                    return transitionResultSet;
                }
                else {
                    throw new InvalidStateException("Module to remove does not have a parent module. "
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Examples of org.impalaframework.module.spi.TransitionSet

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

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

            TransitionSet transitions = calculator.getTransitions(application, oldRootDefinition, newRootDefinition);
            TransitionResultSet transitionResultSet = getTransitionManager().processTransitions(moduleStateHolder, application, transitions);

            boolean result = !transitions.getModuleTransitions().isEmpty();
            return result ? new ModuleOperationResult(transitionResultSet) : ModuleOperationResult.EMPTY;
        }
       
        return ModuleOperationResult.EMPTY;
    }
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