Package org.camunda.bpm.engine.runtime

Examples of org.camunda.bpm.engine.runtime.ProcessInstanceQuery.singleResult()

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    Assert.assertNotNull(processInstances);
    Assert.assertEquals(2, processInstances.size());

    // Query on two short variables, should result in single value
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("dateVar", date1).variableValueEquals("dateVar2", date2);
    ProcessInstance resultInstance = query.singleResult();
    Assert.assertNotNull(resultInstance);
    Assert.assertEquals(processInstance2.getId(), resultInstance.getId());

    // Query with unexisting variable value
    Date unexistingDate = new SimpleDateFormat("dd/MM/yyyy hh:mm:ss").parse("01/01/1989 12:00:00");
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    .variableValueNotEquals("stringVar", null)
    .variableValueNotEquals("booleanVar", null)
    .variableValueNotEquals("dateVar", null);

    assertNull(query.singleResult());
    assertNotNull(notQuery.singleResult());

    // Set all existing variables values to null
    runtimeService.setVariable(processInstance.getId(), "longVar", null);
    runtimeService.setVariable(processInstance.getId(), "shortVar", null);
    runtimeService.setVariable(processInstance.getId(), "integerVar", null);
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    runtimeService.setVariable(processInstance.getId(), "booleanVar", null);

    Execution queryResult = query.singleResult();
    assertNotNull(queryResult);
    assertEquals(processInstance.getId(), queryResult.getId());
    assertNull(notQuery.singleResult());
  }

  @Deployment(resources={
    "org/camunda/bpm/engine/test/api/oneTaskProcess.bpmn20.xml"})
  public void testQueryNullVariable() throws Exception {
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  public void testGetSingleInstance() {
    ProcessInstance mockInstance = MockProvider.createMockInstance();
    ProcessInstanceQuery sampleInstanceQuery = mock(ProcessInstanceQuery.class);
    when(runtimeServiceMock.createProcessInstanceQuery()).thenReturn(sampleInstanceQuery);
    when(sampleInstanceQuery.processInstanceId(MockProvider.EXAMPLE_PROCESS_INSTANCE_ID)).thenReturn(sampleInstanceQuery);
    when(sampleInstanceQuery.singleResult()).thenReturn(mockInstance);

    given().pathParam("id", MockProvider.EXAMPLE_PROCESS_INSTANCE_ID)
      .then().expect().statusCode(Status.OK.getStatusCode())
      .body("id", equalTo(MockProvider.EXAMPLE_PROCESS_INSTANCE_ID))
      .body("ended", equalTo(MockProvider.EXAMPLE_PROCESS_INSTANCE_IS_ENDED))
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  @Test
  public void testGetNonExistingProcessInstance() {
    ProcessInstanceQuery sampleInstanceQuery = mock(ProcessInstanceQuery.class);
    when(runtimeServiceMock.createProcessInstanceQuery()).thenReturn(sampleInstanceQuery);
    when(sampleInstanceQuery.processInstanceId(anyString())).thenReturn(sampleInstanceQuery);
    when(sampleInstanceQuery.singleResult()).thenReturn(null);

    given().pathParam("id", "aNonExistingInstanceId")
      .then().expect().statusCode(Status.NOT_FOUND.getStatusCode()).contentType(ContentType.JSON)
      .body("type", equalTo(InvalidRequestException.class.getSimpleName()))
      .body("message", equalTo("Process instance with id aNonExistingInstanceId does not exist"))
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