Package org.activiti.engine.runtime

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

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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/activiti/engine/test/api/oneTaskProcess.bpmn20.xml"})
  public void testQueryNullVariable() throws Exception {
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  }
 
  public void testQueryNoSpecificsSingleResult() {
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery();
    try {
      query.singleResult();
      fail();
    } catch (ActivitiException e) {
      // Exception is expected
    }
  }
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  public void testQueryByProcessDefinitionKeySingleResult() {
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().processDefinitionKey(PROCESS_DEFINITION_KEY_2);
    assertEquals(1, query.count());
    assertEquals(1, query.list().size());
    assertNotNull(query.singleResult());
  }
 
  public void testQueryByInvalidProcessDefinitionKey() {
    assertNull(runtimeService.createProcessInstanceQuery().processDefinitionKey("invalid").singleResult());
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey("invalid").list().size());
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    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().processDefinitionKey(PROCESS_DEFINITION_KEY);
    assertEquals(4, query.count());
    assertEquals(4, query.list().size());

    try {
      query.singleResult();
      fail();
    } catch (ActivitiException e) {
      // Exception is expected
    }
  }
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                           "org/activiti/engine/test/api/runtime/subProcess.bpmn20.xml"})
  public void testQueryBySuperProcessInstanceId() {
    ProcessInstance superProcessInstance = runtimeService.startProcessInstanceByKey("subProcessQueryTest");
   
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().superProcessInstanceId(superProcessInstance.getId());
    ProcessInstance subProcessInstance = query.singleResult();
    assertNotNull(subProcessInstance);
    assertEquals(1, query.list().size());
    assertEquals(1, query.count());
  }
 
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    "org/activiti/engine/test/api/runtime/subProcess.bpmn20.xml"})
  public void testOrQueryBySuperProcessInstanceId() {
    ProcessInstance superProcessInstance = runtimeService.startProcessInstanceByKey("subProcessQueryTest");
   
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().or().superProcessInstanceId(superProcessInstance.getId()).processDefinitionId("undefined").endOr();
    ProcessInstance subProcessInstance = query.singleResult();
    assertNotNull(subProcessInstance);
    assertEquals(1, query.list().size());
    assertEquals(1, query.count());
  }
 
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    assertNotNull(processInstances);
    assertEquals(2, processInstances.size());
 
    // Test EQUAL on two string variables, should result in single match
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("stringVar", "abcdef").variableValueEquals("stringVar2", "ghijkl");
    ProcessInstance resultInstance = query.singleResult();
    assertNotNull(resultInstance);
    assertEquals(processInstance2.getId(), resultInstance.getId());
   
    // Test NOT_EQUAL, should return only 1 resultInstance
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueNotEquals("stringVar", "abcdef").singleResult();
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  }
 
  public void testQueryNoSpecificsSingleResult() {
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery();
    try {
      query.singleResult();
      fail();
    } catch (ActivitiException e) {
      // Exception is expected
    }
  }
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  public void testQueryByProcessDefinitionKeySingleResult() {
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().processDefinitionKey(PROCESS_DEFINITION_KEY_2);
    assertEquals(1, query.count());
    assertEquals(1, query.list().size());
    assertNotNull(query.singleResult());
  }
 
  public void testQueryByInvalidProcessDefinitionKey() {
    assertNull(runtimeService.createProcessInstanceQuery().processDefinitionKey("invalid").singleResult());
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey("invalid").list().size());
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    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().processDefinitionKey(PROCESS_DEFINITION_KEY);
    assertEquals(4, query.count());
    assertEquals(4, query.list().size());

    try {
      query.singleResult();
      fail();
    } catch (ActivitiException e) {
      // Exception is expected
    }
  }
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