Package org.activiti.engine.runtime

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

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    ProcessInstanceQuery query = runtimeService
      .createProcessInstanceQuery();
   
    query.processInstanceId(id);
   
    return query.singleResult();
  }
 
  /**
   * 历史流程实例
   */
 
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        RuntimeService runtimeService = mock(RuntimeService.class);

        ProcessInstanceQuery generalQuery = mock(ProcessInstanceQuery.class);
        for (Map.Entry<String, ProcessInstance> entry : instances.entrySet()) {
            ProcessInstanceQuery specificQuery = mock(ProcessInstanceQuery.class);
            when(specificQuery.singleResult()).thenReturn(entry.getValue());

            when(generalQuery.processInstanceId(eq(entry.getKey()))).thenReturn(specificQuery);
        }
        for (String notFound : notFoundProcessInstanceIds) {
            /* create a mock that returns null for all method calls (default) */
 
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    public ProcessEngine mockProcessEngine(String processInstanceId, String businessKey, String providerId) {
        ProcessInstance instance = mock(ProcessInstance.class);
        when(instance.getId()).thenReturn(processInstanceId);

        ProcessInstanceQuery query = mock(ProcessInstanceQuery.class);
        when(query.singleResult()).thenReturn(instance);
        when(query.processInstanceBusinessKey(eq(businessKey))).thenReturn(query);

        RuntimeService runtimeService = mock(RuntimeService.class);
        when(runtimeService.createProcessInstanceQuery()).thenReturn(query);
        when(runtimeService.getVariable(eq(processInstanceId), eq(CoreProcessVariables.PROVIDER)))
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    assertNotNull(processInstances);
    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();
    assertNotNull(resultInstance);
    assertEquals(processInstance2.getId(), resultInstance.getId());
   
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueEquals("longVar", 999L).singleResult();
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    assertNotNull(processInstances);
    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();
    assertNotNull(resultInstance);
    assertEquals(processInstance2.getId(), resultInstance.getId());
   
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueEquals("doubleVar", 9999.99).singleResult();
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    assertNotNull(processInstances);
    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();
    assertNotNull(resultInstance);
    assertEquals(processInstance2.getId(), resultInstance.getId());
   
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().variableValueEquals("integerVar", 9999).singleResult();
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    assertNotNull(processInstances);
    assertEquals(2, processInstances.size());
 
    // Query on two integer variables, should result in single value
    query = runtimeService.createProcessInstanceQuery().variableValueEquals("integerVar", 12345).or().variableValueEquals("integerVar2", 67890).processDefinitionId("undefined").endOr();
    ProcessInstance resultInstance = query.singleResult();
    assertNotNull(resultInstance);
    assertEquals(processInstance2.getId(), resultInstance.getId());
   
    // Query with unexisting variable value
    resultInstance = runtimeService.createProcessInstanceQuery().or().variableValueEquals("integerVar", 9999).processDefinitionId("undefined").endOr().singleResult();
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    assertNotNull(processInstances);
    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();
    assertNotNull(resultInstance);
    assertEquals(processInstance2.getId(), resultInstance.getId());
   
    // Query with unexisting variable value
    short unexistingValue = (short)9999;
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    assertNotNull(processInstances);
    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();
    assertNotNull(resultInstance);
    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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