Examples of ch.agent.t2.time.TimeDomainFactory

ch.agent.t2.time.TimeIndex
TimeDomainFactory is an interface for defining and retrieving {@link TimeDomain} objects. A time domain factory ensures that there is onlyone domain for a given set of properties. A factory can provide built-in domains guaranteed to be available whenever the factory is present. They are created when the factory class is loaded. The labels of such domains can be used as external identifiers.
There are ways to access a given time domain which are more direct than retrieving it from the factory, but in the end the domain is still one managed by the factory. The following example code shows 4 different ways to get the same domain object, in this case the daily domain implemented by {@link Day}:
```
 TimeDomainFactory fac = TimeDomainManager.getFactory(); TimeDomain d1 = new Day("0102-03-04").getTimeDomain(); TimeDomain d2 = Day.DOMAIN; TimeDomain d3 = fac.get("daily"); TimeDomain d4 = fac.get(new TimeDomainDefinition(null, Resolution.DAY, 0L)); assertSame(d1, d2); assertSame(d1, d3); assertSame(d1, d4); 
```
TimeDomainFactory was designed under the following assumptions:
1. A time domain factory is implemented as a singleton, return by the static method getInstance().
2. The reason to have different factories is to provide different sets of built-in domains to applications.
3. A Time2 application uses a single factory. The factory is accessed via the {@link TimeDomainManager}.
See the class comment in {@link AbstractTimeDomainFactory} for an example of a concretefactory.
It is possible to bypass the factory mechanism, but this requires using non-public methods. @author Jean-Paul Vetterli @see TimeDomainDefinition @see DefaultTimeDomainFactory

  }
  
  public void testGetFirstValue_2() {
    try {
      Series<Double> s = makeSeries(makeTimeSeries());
      TimeIndex t = s.getTimeDomain().time("2011-05-31");
      assertEquals(201106.01, s.getFirstObservation(t).getValue());
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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  }
  
  public void testGetFirstValue_3() {
    try {
      Series<Double> s = makeSeries(makeTimeSeries());
      TimeIndex t = s.getTimeDomain().time("2011-07-31");
      assertNull(s.getFirstObservation(t));
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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  }
  
  public void testGetLastValue_4() {
    try {
      Series<Double> s = makeSeries(makeTimeSeries2());
      TimeIndex t = s.getTimeDomain().time("2011-06-04");
      assertEquals(201106.02,  s.getLastObservation(t).getValue());
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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  }
  
  public void testGetLastValue_5() {
    try {
      Series<Double> s = makeSeries(makeTimeSeries2());
      TimeIndex t = s.getTimeDomain().time("2011-05-31");
      assertEquals(201105.31,  s.getLastObservation(t).getValue());
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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  }
  
  public void testGetFirstValue_4() {
    try {
      Series<Double> s = makeSeries(makeTimeSeries2());
      TimeIndex t = s.getTimeDomain().time("2011-06-01");
      assertEquals(201106.01,  s.getFirstObservation(t).getValue());
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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  }
  
  public void testGetFirstValue_5() {
    try {
      Series<Double> s = makeSeries(makeTimeSeries2());
      TimeIndex t = s.getTimeDomain().time("2011-06-03");
      assertEquals(201106.30,  s.getFirstObservation(t).getValue());
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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  public void testLargeGap_2() {
    try {
      // first get the maximum allowed allowed gap
      Series<Double> s = makeSeriesWithGap("2011-05-01", "2011-05-02");
      int maxGap = s.getValues(null).asIndexable().getMaxGap();
      TimeIndex date1 = s.getFirstObservation(null).getTime();
      TimeIndex date2 = date1.add(maxGap + 2); // the maximum allowed gap
      
      Series<Double> s2 = makeSeriesWithGap(date1.toString(), date2.toString());
      // force non-sparse time series (should fail because it creates a gap too large by 1)
      s2.getValues(null).asIndexable();
    } catch (Exception e) {
      fail(e.toString());
    }

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  public void testLargeGap_3() {
    try {
      // first get the maximum allowed allowed gap
      Series<Double> s = makeSeriesWithGap("2011-05-01", "2011-05-02");
      int maxGap = s.getValues(null).asIndexable().getMaxGap();
      TimeIndex date1 = s.getFirstObservation(null).getTime();
      TimeIndex date2 = date1.add(maxGap + 2 + 1); // a gap too large by 1
      
      Series<Double> s2 = makeSeriesWithGap(date1.toString(), date2.toString());
      // force non-sparse time series (should fail because it creates a gap too large by 1)
      s2.getValues(null).asIndexable();
      expectException();
    } catch (Exception e) {
      assertException(e, K.T5019);

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  }
  
  public void test_02() {
    try {
      UpdatableSeries<Double> s = db.getUpdatableSeries(SERIES, true).typeCheck(Double.class);
      TimeIndex t = s.getTimeDomain().time("2011-03-08");
      s.scanValue(t, "42");
      assertEquals(42.0, s.getValue(t));
    } catch (Exception e) {
      fail(e.toString());
    }

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  }
  
  public void test_03() {
    try {
      Series<Double> s = db.getUpdatableSeries(SERIES, true).typeCheck(Double.class);
      TimeIndex t = s.getTimeDomain().time("2011-03-08");
      assertEquals(Double.NaN, s.getValue(t));
    } catch (Exception e) {
      fail(e.toString());
    }
  }

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