Examples of org.camunda.bpm.engine.runtime.VariableInstance

org.camunda.bpm.engine.runtime.VariableInstance
A {@link VariableInstance} represents a variable in the execution ofa process instance. @author roman.smirnov

    }
  }


  public InputStream getBinaryVariable() {


    VariableInstance variableInstance = baseQuery()
        .disableCustomObjectDeserialization()
        .singleResult();
    if(variableInstance != null) {
      if (variableInstance.getTypeName().equals(ValueType.BYTES.getName())) {
        byte[] valueBytes = (byte[]) variableInstance.getValue();
        if (valueBytes == null) {
          valueBytes = new byte[0];
        }


        return new ByteArrayInputStream(valueBytes);

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    assertFalse(result.isEmpty());
    assertEquals(1, result.size());


    assertEquals(1, query.count());


    VariableInstance var = result.get(0);
    assertEquals("shortValue", var.getName());
    assertEquals((short) 123, var.getValue());
    assertEquals("short", var.getTypeName());
  }

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    assertFalse(result.isEmpty());
    assertEquals(1, result.size());


    assertEquals(1, query.count());


    VariableInstance var = result.get(0);
    assertEquals("date", var.getName());
    assertEquals(now, var.getValue());
    assertEquals("date", var.getTypeName());
  }

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    assertFalse(result.isEmpty());
    assertEquals(1, result.size());


    assertEquals(1, query.count());


    VariableInstance var = result.get(0);
    assertEquals("nullValue", var.getName());
    assertEquals(null, var.getValue());
    assertEquals("null", var.getTypeName());
  }

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    assertFalse(result.isEmpty());
    assertEquals(1, result.size());


    assertEquals(1, query.count());


    VariableInstance var = result.get(0);
    assertEquals("taskVariable", var.getName());
    assertEquals("aCustomValue", var.getValue());
    assertEquals("string", var.getTypeName());
  }

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    // when
    VariableInstanceQuery taskVariablesQuery = runtimeService.createVariableInstanceQuery().activityInstanceIdIn(execution.getActivityInstanceId());
    VariableInstanceQuery processVariablesQuery = runtimeService.createVariableInstanceQuery().activityInstanceIdIn(execution.getProcessInstanceId());


    // then
    VariableInstance taskVar = taskVariablesQuery.singleResult();
    assertNotNull(taskVar);


    assertEquals(1, taskVariablesQuery.count());
    assertEquals("string", taskVar.getTypeName());
    assertEquals("taskVariable", taskVar.getName());
    assertEquals("aCustomValue", taskVar.getValue());


    VariableInstance processVar = processVariablesQuery.singleResult();


    assertEquals(1, processVariablesQuery.count());
    assertEquals("string", processVar.getTypeName());
    assertEquals("stringVar", processVar.getName());
    assertEquals("test", processVar.getValue());
  }

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    // then
    List<VariableInstance> result = query.list();
    assertFalse(result.isEmpty());
    assertEquals(2, result.size());


    VariableInstance first = result.get(0);
    VariableInstance second = result.get(1);


    assertEquals("myVar", first.getName());
    assertEquals("stringVar", second.getName());
  }

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    // then
    List<VariableInstance> result = query.list();
    assertFalse(result.isEmpty());
    assertEquals(2, result.size());


    VariableInstance first = result.get(0);
    VariableInstance second = result.get(1);


    assertEquals("stringVar", first.getName());
    assertEquals("string", first.getTypeName());
    assertEquals("myVar", second.getName());
    assertEquals("string", second.getTypeName());
  }

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    // then
    List<VariableInstance> result = query.list();
    assertFalse(result.isEmpty());
    assertEquals(2, result.size());


    VariableInstance first = result.get(0);
    VariableInstance second = result.get(1);


    assertEquals("intVar", first.getName()); // integer
    assertEquals("integer", first.getTypeName());
    assertEquals("myVar", second.getName()); // string
    assertEquals("string", second.getTypeName());
  }

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    // then
    List<VariableInstance> result = query.list();
    assertFalse(result.isEmpty());
    assertEquals(2, result.size());


    VariableInstance first = result.get(0);
    VariableInstance second = result.get(1);


    assertEquals("myVar", first.getName()); // string
    assertEquals("string", first.getTypeName());
    assertEquals("intVar", second.getName()); // integer
    assertEquals("integer", second.getTypeName());
  }

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