Examples of org.activiti.engine.runtime.ProcessInstanceQuery

org.activiti.engine.runtime.ProcessInstanceQuery
Allows programmatic querying of {@link ProcessInstance}s. @author Joram Barrez @author Tijs Rademakers @author Frederik Heremans @author Falko Menge

    assertEquals(5, query.count());
    assertEquals(5, query.list().size());
  }
  
  public void testQueryNoSpecificsSingleResult() {
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery();
    try { 
      query.singleResult();
      fail();
    } catch (ActivitiException e) {
      // Exception is expected
    }
  }

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      // Exception is expected
    }
  }
  
  public void testQueryByProcessDefinitionKeySingleResult() {
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().processDefinitionKey(PROCESS_DEFINITION_KEY_2);
    assertEquals(1, query.count());
    assertEquals(1, query.list().size());
    assertNotNull(query.singleResult());
  }

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    assertNull(runtimeService.createProcessInstanceQuery().processDefinitionKey("invalid").singleResult());
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey("invalid").list().size());
  }


  public void testQueryByProcessDefinitionKeyMultipleResults() {
    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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  @Deployment(resources = {"org/activiti/engine/test/api/runtime/superProcess.bpmn20.xml",
                           "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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    vars = new HashMap<String, Object>();
    vars.put("stringVar", "azerty");
    ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKey("oneTaskProcess", vars);
    
    // Test EQUAL on single string variable, should result in 2 matches
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().variableValueEquals("stringVar", "abcdef");
    List<ProcessInstance> processInstances = query.list();
    Assert.assertNotNull(processInstances);
    Assert.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();
    Assert.assertNotNull(resultInstance);
    Assert.assertEquals(processInstance2.getId(), resultInstance.getId());
    
    // Test NOT_EQUAL, should return only 1 resultInstance
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueNotEquals("stringVar", "abcdef").singleResult();

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    vars = new HashMap<String, Object>();
    vars.put("longVar", 55555L);
    ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKey("oneTaskProcess", vars);
    
    // Query on single long variable, should result in 2 matches
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().variableValueEquals("longVar", 12345L);
    List<ProcessInstance> processInstances = query.list();
    Assert.assertNotNull(processInstances);
    Assert.assertEquals(2, processInstances.size());
  
    // Query on two long variables, should result in single match
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("longVar", 12345L).variableValueEquals("longVar2", 67890L);
    ProcessInstance resultInstance = query.singleResult();
    Assert.assertNotNull(resultInstance);
    Assert.assertEquals(processInstance2.getId(), resultInstance.getId());
    
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueEquals("longVar", 999L).singleResult();

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    vars = new HashMap<String, Object>();
    vars.put("doubleVar", 55555.5555);
    ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKey("oneTaskProcess", vars);
    
    // Query on single double variable, should result in 2 matches
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().variableValueEquals("doubleVar", 12345.6789);
    List<ProcessInstance> processInstances = query.list();
    Assert.assertNotNull(processInstances);
    Assert.assertEquals(2, processInstances.size());
  
    // Query on two double variables, should result in single value
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("doubleVar", 12345.6789).variableValueEquals("doubleVar2", 9876.54321);
    ProcessInstance resultInstance = query.singleResult();
    Assert.assertNotNull(resultInstance);
    Assert.assertEquals(processInstance2.getId(), resultInstance.getId());
    
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueEquals("doubleVar", 9999.99).singleResult();

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    vars = new HashMap<String, Object>();
    vars.put("integerVar", 55555);
    ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKey("oneTaskProcess", vars);
    
    // Query on single integer variable, should result in 2 matches
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().variableValueEquals("integerVar", 12345);
    List<ProcessInstance> processInstances = query.list();
    Assert.assertNotNull(processInstances);
    Assert.assertEquals(2, processInstances.size());
  
    // Query on two integer variables, should result in single value
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("integerVar", 12345).variableValueEquals("integerVar2", 67890);
    ProcessInstance resultInstance = query.singleResult();
    Assert.assertNotNull(resultInstance);
    Assert.assertEquals(processInstance2.getId(), resultInstance.getId());
    
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueEquals("integerVar", 9999).singleResult();

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    vars = new HashMap<String, Object>();
    vars.put("shortVar", (short)5555);
    ProcessInstance processInstance3 = runtimeService.startProcessInstanceByKey("oneTaskProcess", vars);
    
    // Query on single short variable, should result in 2 matches
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().variableValueEquals("shortVar", shortVar);
    List<ProcessInstance> processInstances = query.list();
    Assert.assertNotNull(processInstances);
    Assert.assertEquals(2, processInstances.size());
  
    // Query on two short variables, should result in single value
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("shortVar", shortVar).variableValueEquals("shortVar2", shortVar2);
    ProcessInstance resultInstance = query.singleResult();
    Assert.assertNotNull(resultInstance);
    Assert.assertEquals(processInstance2.getId(), resultInstance.getId());
    
    // Query with unexisting variable value
    short unexistingValue = (short)9999;

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    Calendar oneYearAgo = Calendar.getInstance();
    oneYearAgo.add(Calendar.YEAR, -1);    
    
    // Query on single short variable, should result in 2 matches
    ProcessInstanceQuery query = runtimeService.createProcessInstanceQuery().variableValueEquals("dateVar", date1);
    List<ProcessInstance> processInstances = query.list();
    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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