Examples of org.springframework.webflow.engine.SubflowState

Package org.springframework.webflow.engine

Examples of org.springframework.webflow.engine.SubflowState

org.springframework.webflow.engine.SubflowState
A transitionable state that spawns a subflow when executed. When the subflow this state spawns ends, the ending result is used as grounds for a state transition out of this state.
A subflow state may be configured to map input data from its flow -- acting as the parent flow -- down to the subflow when the subflow is spawned. In addition, output data produced by the subflow may be mapped up to the parent flow when the subflow ends and the parent flow resumes. See the {@link SubflowAttributeMapper} interface definition formore information on how to do this. The logic for ending a subflow is located in the {@link EndState} implementation. @see org.springframework.webflow.engine.SubflowAttributeMapper @see org.springframework.webflow.engine.EndState @author Keith Donald @author Erwin Vervaet

    private Flow createFlowWithSubflow(final String parentId, final String childId) {
        // Create a flow containing a subflow followed by a view state
        final Flow parent = new Flow(parentId);
        final Flow child = createSimpleFlow(childId);
        final ActionState state1 = new ActionState(parent, "state1-action");
        final SubflowState state2 = new SubflowState(parent, "state2-subflow", new StaticExpression(child));
        final ViewState state3 = new ViewState(parent, "state3-view", new MockViewFactory("parentview"));
        new EndState(parent, "state4-end");
        state1.getActionList().add(new MockAction("state1-result"));
        state1.getTransitionSet().add(new Transition(new DefaultTargetStateResolver("state2-subflow")));
        state2.getTransitionSet().add(new Transition(new DefaultTargetStateResolver("state3-view")));
        state3.getTransitionSet().add(new Transition(new DefaultTargetStateResolver("state4-end")));
        return parent;
    }

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   * @return the fully initialized subflow state instance
   */
  public State createSubflowState(String id, Flow flow, Action[] entryActions, Expression subflow,
      SubflowAttributeMapper attributeMapper, Transition[] transitions,
      FlowExecutionExceptionHandler[] exceptionHandlers, Action[] exitActions, AttributeMap attributes) {
    SubflowState subflowState = new SubflowState(flow, id, subflow);
    if (attributeMapper != null) {
      subflowState.setAttributeMapper(attributeMapper);
    }
    configureCommonProperties(subflowState, entryActions, transitions, exceptionHandlers, exitActions, attributes);
    return subflowState;
  }

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   * @return the fully initialized subflow state instance
   */
  public State createSubflowState(String id, Flow flow, Action[] entryActions, Expression subflow,
      SubflowAttributeMapper attributeMapper, Transition[] transitions,
      FlowExecutionExceptionHandler[] exceptionHandlers, Action[] exitActions, AttributeMap<?> attributes) {
    SubflowState subflowState = new SubflowState(flow, id, subflow);
    if (attributeMapper != null) {
      subflowState.setAttributeMapper(attributeMapper);
    }
    configureCommonProperties(subflowState, entryActions, transitions, exceptionHandlers, exitActions, attributes);
    return subflowState;
  }

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