Examples of org.springframework.webflow.execution.Event

Package org.springframework.webflow.execution

Examples of org.springframework.webflow.execution.Event

org.springframework.webflow.execution.Event
Signals the occurrence of something an active flow execution should respond to. Each event has a string id that provides a key for identifying what happened: e.g "coinInserted", or "pinDropped". Events may have attributes that provide arbitrary payload data, e.g. "coin.amount=25", or "pinDropSpeed=25ms".
As an example, a "submit" event might signal that a Submit button was pressed in a web browser. A "success" event might signal an action executed successfully. A "finish" event might signal a subflow ended normally.
Why is this not an interface? A specific design choice. An event is not a strategy that defines a generic type or role--it is essentially an immutable value object. It is expected that specializations of this base class be "Events" and not part of some other inheritance hierarchy. @author Keith Donald @author Erwin Vervaet @author Colin Sampaleanu

 * @author Keith Donald
 */
public class EventTests extends TestCase {


  public void testNewEvent() {
    Event event = new Event(this, "id");
    assertEquals("id", event.getId());
    assertTrue(event.getTimestamp() > 0);
    assertTrue(event.getAttributes().isEmpty());
  }

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        assertSessionBound();
        Session session = (Session) context.getFlowScope().get("persistenceContext");
        TestBean bean = (TestBean) session.get(TestBean.class, new Long(0));
        assertNotNull(bean);
        context.getFlowScope().put("testBean", bean);
        return new Event(this, "success");
      }
    });
    FlowExecutionImplFactory factory = new FlowExecutionImplFactory();
    factory.setExecutionListenerLoader(new StaticFlowExecutionListenerLoader(hibernateListener));
    flowExecution = factory.createFlowExecution(flow);

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    assertTrue(event.getAttributes().isEmpty());
  }


  public void testEventNullSource() {
    try {
      new Event(null, "id");
      fail("null source");
    } catch (IllegalArgumentException e) {


    }
  }

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    }
  }


  public void testEventNullId() {
    try {
      new Event(this, null);
      fail("null id");
    } catch (IllegalArgumentException e) {


    }
  }

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  }


  public void testNewEventWithAttributes() {
    LocalAttributeMap attrs = new LocalAttributeMap();
    attrs.put("name", "value");
    Event event = new Event(this, "id", attrs);
    assertTrue(!event.getAttributes().isEmpty());
    assertEquals(1, event.getAttributes().size());
  }

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    assertTrue(!event.getAttributes().isEmpty());
    assertEquals(1, event.getAttributes().size());
  }


  public void testNewEventNullAttributes() {
    Event event = new Event(this, "id", null);
    assertTrue(event.getAttributes().isEmpty());
  }

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        assertSessionBound();
        EntityManager em = (EntityManager) context.getFlowScope().get("persistenceContext");
        TestBean bean = (TestBean) em.getReference(TestBean.class, new Integer(0));
        assertNotNull(bean);
        context.getFlowScope().put("testBean", bean);
        return new Event(this, "success");
      }
    });
    FlowExecutionImplFactory factory = new FlowExecutionImplFactory();
    factory.setExecutionListenerLoader(new StaticFlowExecutionListenerLoader(jpaListener));
    flowExecution = factory.createFlowExecution(flow);

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  protected void setUp() throws Exception {
  }


  public void testSuccess() {
    Event e = support.success(source);
    assertEquals("success", e.getId());
    assertSame(source, e.getSource());
  }

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    assertSame(source, e.getSource());
  }


  public void testSuccessWithResult() {
    Object result = new Object();
    Event e = support.success(source, result);
    assertEquals("success", e.getId());
    assertSame(source, e.getSource());
    assertSame(result, e.getAttributes().get("result"));
  }

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    assertSame(source, e.getSource());
    assertSame(result, e.getAttributes().get("result"));
  }


  public void testError() {
    Event e = support.error(source);
    assertEquals("error", e.getId());
    assertSame(source, e.getSource());
  }

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