Examples of tcg.scada.da.VirtualDataPoint

tcg.scada.da.VirtualDataPoint
Implementation of virtual datapoint.
Expected behaviour for virtual datapoint:
- Source value: not applicable. always default value
- Source quality: GoodQuality (default)
- Source timestamp: not applicable. (default = 0)
- Output value: last set-value
- Output quality: internal calculation
- Output timestamp: timestamp of last set-value operation
Setting source value/quality/timestamp is not supported for virtual datapoint. By inference, datapoint inhibit and override is also not supported.

Deadband and engineering conversion is not supported for virtual datapoint.
@author Yoga

    //int intStatus = 0;
    
    // TODO: check for datastore notification!


    // create source datapoint
    VirtualDataPoint source = new VirtualDataPoint(
        CosDpValueTypeEnum.TypeBoolean);
    source.keyId = keyId++;
    source.name = "source-datapoint";


    // create list of datapoint
    DataPointList dpList = new DataPointList();
    dpList.add(source);


    // calculated-boolean datapoint
    datapoint = new DataPointImpl(CosDpValueTypeEnum.TypeBoolean);
    datapoint.keyId = keyId++;
    datapoint.name = "calculated-boolean";


    // initial value
    Assert.assertEquals(false, datapoint.isInhibit());
    Assert.assertEquals(false, datapoint.getSourceValue().boolValue());
    Assert.assertEquals(0, datapoint.getSourceTimestamp());
    Assert.assertEquals(CosDpQualityEnum.QualityBad, datapoint
        .getSourceQuality());
    Assert.assertEquals(false, datapoint.getValue().boolValue());
    Assert.assertEquals(0, datapoint.getTimestamp());
    Assert.assertEquals(CosDpQualityEnum.QualityBad, datapoint
        .getQuality());
    Assert.assertEquals(0, datapoint.getUpdateTimestamp());


    sourceTs = datapoint.getSourceTimestamp();
    outputTs = datapoint.getTimestamp();
    updateTs = Calendar.getInstance().getTimeInMillis();
    sleep(1);


    // set calculated expression
    boolStatus = datapoint.setExpression("{{source-datapoint}}", dpList);
    Assert.assertEquals(true, boolStatus);
    // source quality is set to good, source timestamp is set to current
    // time
    Assert.assertTrue(datapoint.getSourceTimestamp() > updateTs);
    Assert.assertEquals(CosDpQualityEnum.QualityGood, datapoint
        .getSourceQuality());
    Assert.assertEquals(false, datapoint.getSourceValue().boolValue());
    // output quality/output timestamp is synchronized
    Assert.assertEquals(datapoint.getSourceTimestamp(), datapoint
        .getTimestamp());
    Assert.assertEquals(CosDpQualityEnum.QualityGood, datapoint
        .getQuality());
    Assert.assertEquals(false, datapoint.getValue().boolValue());
    // update-time is set to current time
    Assert.assertTrue(datapoint.getUpdateTimestamp() > updateTs);


    sourceTs = datapoint.getSourceTimestamp();
    outputTs = datapoint.getTimestamp();
    updateTs = Calendar.getInstance().getTimeInMillis();
    sleep(1);


    // set the inhibit flag
    boolStatus = datapoint.setInhibit();
    Assert.assertEquals(true, boolStatus);
    // inhibit flag is set
    Assert.assertEquals(true, datapoint.isInhibit());
    // no update on source value/quality/timestamp
    Assert.assertEquals(false, datapoint.getSourceValue().boolValue());
    Assert.assertTrue(datapoint.getSourceTimestamp() == sourceTs);
    Assert.assertEquals(CosDpQualityEnum.QualityGood, datapoint
        .getSourceQuality());
    // output quality is set to QualityInhibit, 
    // output timestamp is set to current time
    Assert.assertEquals(false, datapoint.getValue().boolValue());
    Assert.assertTrue(datapoint.getTimestamp() > updateTs);
    Assert.assertEquals(CosDpQualityEnum.QualityInhibit, datapoint
        .getQuality());
    // update-timestamp is set to current time
    Assert.assertTrue(datapoint.getUpdateTimestamp() > updateTs);
    // TODO: check for datapoint notification


    sourceTs = datapoint.getSourceTimestamp();
    outputTs = datapoint.getTimestamp();
    updateTs = Calendar.getInstance().getTimeInMillis();
    sleep(1);


    // set the source datapoint with new value (this will trigger the update
    // in the calculated point)
    source.setBooleanValue(true);
    // source value is updated, source timestamp is updated to current time
    Assert.assertEquals(true, datapoint.getSourceValue().boolValue());
    Assert.assertTrue(datapoint.getSourceTimestamp() > updateTs);
    Assert.assertEquals(CosDpQualityEnum.QualityGood, datapoint
        .getSourceQuality());

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   * 
   */
  public void testLaunchConditionCheck()
  {
    // create LCC datapoint
    VirtualDataPoint lccDataPoint = new VirtualDataPoint(
        CosDpValueTypeEnum.TypeNumber);
    lccDataPoint.keyId = 1;
    lccDataPoint.name = "lcc-datapoint";


    // create list of datapoint
    DataPointList dpList = new DataPointList();
    dpList.add(lccDataPoint);


    // create output-boolean datapoint
    DataPointImpl datapoint = new DataPointImpl(
        CosDpValueTypeEnum.TypeBoolean);
    datapoint.keyId = 2;
    datapoint.name = "output-boolean";


    // set LCC expression
    boolean boolStatus = datapoint.setLaunchCondition(
        "{{lcc-datapoint}} == 4", dpList);
    Assert.assertTrue("set-lcc-expression", boolStatus);


    // set lcc datapoint to 3
    int intStatus = lccDataPoint.setNumberValue(3);
    Assert.assertEquals(1, intStatus);
    Assert.assertEquals(3, lccDataPoint.getValue().longValue());


    // check for LCC (expected to fail -> 3 != 4)
    boolStatus = datapoint.checkLaunchCondition();
    Assert.assertFalse("check-lcc-expression", boolStatus);


    // set lcc datapoint to 4
    intStatus = lccDataPoint.setNumberValue(4);
    Assert.assertEquals(1, intStatus);
    Assert.assertEquals(4, lccDataPoint.getValue().longValue());


    // check for LCC (expected to succeed -> 4 != 4)
    boolStatus = datapoint.checkLaunchCondition();
    Assert.assertTrue("check-lcc-expression", boolStatus);
  }

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   * 
   */
  public void testReturnConditionCheck()
  {
    // create RCC datapoint
    VirtualDataPoint rccDataPoint = new VirtualDataPoint(
        CosDpValueTypeEnum.TypeNumber);
    rccDataPoint.keyId = 1;
    rccDataPoint.name = "rcc-datapoint";


    // create list of datapoint
    DataPointList dpList = new DataPointList();
    dpList.add(rccDataPoint);


    // create output-boolean datapoint
    DataPointImpl datapoint = new DataPointImpl(
        CosDpValueTypeEnum.TypeBoolean);
    datapoint.keyId = 2;
    datapoint.name = "output-boolean";


    // set RCC expression
    boolean boolStatus = datapoint.setReturnCondition(
        "{{rcc-datapoint}} == 4", dpList);
    Assert.assertTrue("set-rcc-expression", boolStatus);


    // set RCC datapoint to 3
    int intStatus = rccDataPoint.setNumberValue(3);
    Assert.assertEquals(1, intStatus);
    Assert.assertEquals(3, rccDataPoint.getValue().longValue());


    // check for RCC (expected to fail -> 3 != 4)
    boolStatus = datapoint.checkReturnCondition();
    Assert.assertFalse("check-rcc-expression", boolStatus);


    // set RCC datapoint to 4
    intStatus = rccDataPoint.setNumberValue(4);
    Assert.assertEquals(1, intStatus);
    Assert.assertEquals(4, rccDataPoint.getValue().longValue());


    // check for RCC (expected to succeed -> 4 != 4)
    boolStatus = datapoint.checkReturnCondition();
    Assert.assertTrue("check-rcc-expression", boolStatus);
  }

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Related Classes of tcg.scada.da.VirtualDataPoint

tst.scada.da.CalculatedDataPointTest

tst.scada.da.OutputDataPointTest

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