Examples of org.springframework.webflow.engine.model.FlowModel

Package org.springframework.webflow.engine.model

Examples of org.springframework.webflow.engine.model.FlowModel

org.springframework.webflow.engine.model.FlowModel
Model support for flows.
Defines exactly one flow definition. A flow is composed of one or more states that define the steps of a conversation. One of those steps is the start state, which defines the conversation's starting point.
A flow may also exhibit the following characteristics:
- Be annotated with attributes that define descriptive properties that may affect flow execution. (See {@link AttributeModel})
- Be secured (See {@link SecuredModel})
- Be a persistence context for managing persistent objects during the course of flow execution. (See {@link PersistenceContextModel})
- Instantiate a set of instance variables when started. (See {@link VarModel})
- Map input provided by callers that start it (See {@link InputModel})
- Return output to callers that end it. (See {@link OutputModel})
- Execute actions at start time and end time. (See {@link EvaluateModel}, {@link RenderModel} and{@link SetModel})
- Define transitions shared by all states. (See {@link TransitionModel})
- Handle exceptions thrown by during flow execution. (See {@link ExceptionHandlerModel})
- Import one or more local bean definition files defining custom flow artifacts (such as actions, exception handlers, view factories, transition criteria, etc). (See {@link BeanImportModel})
@author Scott Andrews

      lastModifiedTimestamp = -1;
    }
  }


  private FlowModel parseFlow(Element element) {
    FlowModel flow = new FlowModel();
    flow.setAbstract(element.getAttribute("abstract"));
    flow.setParent(element.getAttribute("parent"));
    flow.setStartStateId(element.getAttribute("start-state"));
    flow.setAttributes(parseAttributes(element));
    flow.setSecured(parseSecured(element));
    flow.setPersistenceContext(parsePersistenceContext(element));
    flow.setVars(parseVars(element));
    flow.setInputs(parseInputs(element));
    flow.setOnStartActions(parseOnStartActions(element));
    flow.setStates(parseStates(element));
    flow.setGlobalTransitions(parseGlobalTransitions(element));
    flow.setOnEndActions(parseOnEndActions(element));
    flow.setOutputs(parseOutputs(element));
    flow.setExceptionHandlers(parseExceptionHandlers(element));
    flow.setBeanImports(parseBeanImports(element));
    return flow;
  }

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    builder = new SimpleFlowBuilder();
    holder = new DefaultFlowModelHolder(builder);
  }


  public void testGetFlowDefinition() {
    FlowModel flow = holder.getFlowModel();
    assertNull(flow.getStartStateId());
    assertEquals("end", ((AbstractStateModel) flow.getStates().get(0)).getId());
  }

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    assertNull(flow.getStartStateId());
    assertEquals("end", ((AbstractStateModel) flow.getStates().get(0)).getId());
  }


  public void testGetFlowDefinitionWithChangesRefreshed() {
    FlowModel flow = holder.getFlowModel();
    holder.refresh();
    flow = holder.getFlowModel();
    assertNull(flow.getStartStateId());
    assertEquals("end", ((AbstractStateModel) flow.getStates().get(0)).getId());
  }

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  }


  public class SimpleFlowBuilder implements FlowModelBuilder {


    public FlowModel getFlowModel() throws FlowModelBuilderException {
      FlowModel flow = new FlowModel();
      flow.setStates(new LinkedList(Collections.singletonList(new EndStateModel("end"))));
      return flow;
    }

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  private FlowModel model;


  protected void setUp() {
    StaticListableBeanFactory beanFactory = new StaticListableBeanFactory();
    beanFactory.addBean("bean", new Object());
    model = new FlowModel();
  }

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      // we want this
    }
  }


  public void testExceptionHandlers() {
    FlowModel model = new FlowModel();
    model.setStates(singleList(new EndStateModel("state")));
    model.setExceptionHandlers(singleList(new ExceptionHandlerModel("exceptionHandler")));
    FlowExecutionExceptionHandler handler = new FlowExecutionExceptionHandler() {
      public boolean canHandle(FlowExecutionException exception) {
        return true;
      }

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  public void testBuildFlowWithEndState() {
    ClassPathResource resource = new ClassPathResource("flow-endstate.xml", getClass());
    FlowModelBuilder builder = new XmlFlowModelBuilder(resource, registry);
    builder.init();
    builder.build();
    FlowModel flow = builder.getFlowModel();
    assertNull(flow.getStartStateId());
    assertEquals("end", ((AbstractStateModel) flow.getStates().get(0)).getId());
  }

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  public void testBuildFlowWithDefaultStartState() {
    ClassPathResource resource = new ClassPathResource("flow-startstate-default.xml", getClass());
    FlowModelBuilder builder = new XmlFlowModelBuilder(resource, registry);
    builder.init();
    builder.build();
    FlowModel flow = builder.getFlowModel();
    assertNull(flow.getStartStateId());
    assertEquals("end", ((AbstractStateModel) flow.getStates().get(0)).getId());
  }

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  public void testBuildFlowWithStartStateAttribute() {
    ClassPathResource resource = new ClassPathResource("flow-startstate-attribute.xml", getClass());
    FlowModelBuilder builder = new XmlFlowModelBuilder(resource, registry);
    builder.init();
    builder.build();
    FlowModel flow = builder.getFlowModel();
    assertEquals("end", flow.getStartStateId());
  }

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  public void testCustomFlowAttribute() {
    ClassPathResource resource = new ClassPathResource("flow-custom-attribute.xml", getClass());
    FlowModelBuilder builder = new XmlFlowModelBuilder(resource, registry);
    builder.init();
    builder.build();
    FlowModel flow = builder.getFlowModel();
    assertEquals("bar", ((AttributeModel) flow.getAttributes().get(0)).getValue());
    assertEquals("number", ((AttributeModel) flow.getAttributes().get(1)).getName());
  }

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Related Classes of org.springframework.webflow.engine.model.FlowModel

org.springframework.webflow.engine.builder.model.FlowModelFlowBuilderTests

org.springframework.webflow.engine.model.builder.xml.XmlFlowModelBuilder

org.springframework.webflow.engine.model.builder.xml.XmlFlowModelBuilderTests

org.springframework.webflow.engine.model.registry.DefaultFlowModelHolderTests

org.springframework.webflow.engine.model.registry.DefaultFlowModelHolderTests$SimpleFlowBuilder

org.springframework.webflow.engine.model.registry.FlowModelRegistryImplTests

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