Package org.activiti.engine.runtime

Examples of org.activiti.engine.runtime.ExecutionQuery.singleResult()

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    Assert.assertNotNull(executions);
    Assert.assertEquals(2, executions.size());
 
    // Query on two short variables, should result in single value
    query = runtimeService.createExecutionQuery().variableValueEquals("dateVar", date1).variableValueEquals("dateVar2", date2);
    Execution execution = query.singleResult();
    Assert.assertNotNull(execution);
    Assert.assertEquals(processInstance2.getId(), execution.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(), "nullVar", null);
   
    Execution queryResult = query.singleResult();
    assertNotNull(queryResult);
    assertEquals(processInstance.getId(), queryResult.getId());
    assertNull(notQuery.singleResult());
  }
 
  @Deployment(resources={
    "org/activiti/engine/test/api/oneTaskProcess.bpmn20.xml"})
  public void testQueryNullVariable() throws Exception {
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    assertEquals(1, runtimeService.createExecutionQuery().processDefinitionKey(SEQUENTIAL_PROCESS_KEY).list().size());
  }
 
  public void testQueryByInvalidProcessDefinitionKey() {
    ExecutionQuery query = runtimeService.createExecutionQuery().processDefinitionKey("invalid");
    assertNull(query.singleResult());
    assertEquals(0, query.list().size());
    assertEquals(0, query.count());
  }

  public void testQueryByProcessDefinitionName() {
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    assertEquals(1, runtimeService.createExecutionQuery().processDefinitionName(SEQUENTIAL_PROCESS_NAME).list().size());
  }

  public void testQueryByInvalidProcessDefinitionName() {
    ExecutionQuery query = runtimeService.createExecutionQuery().processDefinitionName("invalid");
    assertNull(query.singleResult());
    assertEquals(0, query.list().size());
    assertEquals(0, query.count());
  }

  public void testQueryByProcessInstanceId() {
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    }
  }
 
  public void testQueryByInvalidProcessInstanceId() {
    ExecutionQuery query = runtimeService.createExecutionQuery().processInstanceId("invalid");
    assertNull(query.singleResult());
    assertEquals(0, query.list().size());
    assertEquals(0, query.count());
  }
 
  public void testQueryExecutionId() {
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    assertNotNull(runtimeService.createExecutionQuery().executionId(execution.getId()));
  }
 
  public void testQueryByInvalidExecutionId() {
    ExecutionQuery query = runtimeService.createExecutionQuery().executionId("invalid");
    assertNull(query.singleResult());
    assertEquals(0, query.list().size());
    assertEquals(0, query.count());
  }
 
  public void testQueryByActivityId() {
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    ExecutionQuery query = runtimeService.createExecutionQuery().activityId("receivePayment");
    assertEquals(4, query.list().size());
    assertEquals(4, query.count());
   
    try {
      assertNull(query.singleResult());
      fail();
    } catch (ActivitiException e) { }
  }
 
  public void testQueryByInvalidActivityId() {
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    } catch (ActivitiException e) { }
  }
 
  public void testQueryByInvalidActivityId() {
    ExecutionQuery query = runtimeService.createExecutionQuery().activityId("invalid");
    assertNull(query.singleResult());
    assertEquals(0, query.list().size());
    assertEquals(0, query.count());
  }
 
  /**
 
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    ExecutionQuery query = runtimeService.createExecutionQuery().activityId("receivePayment")
        .processInstanceBusinessKey("BUSINESS-KEY-1", true);
    assertEquals(1, query.list().size());
    assertEquals(1, query.count());
   
    Execution execution = query.singleResult();
    assertNotNull(execution);
    assertEquals("receivePayment", execution.getActivityId());
  }
 
  public void testQueryPaging() {
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