Examples of ch.agent.t2.time.TimeIndex

ch.agent.t2.time.TimeIndex
A TimeIndex object represents a time, or more precisely, a point in time. It consists of two elements:
1. a time domain,
2. a numerical index.
When required, the index is interpreted or generated by the time domain. However there are important and frequent operations which do not require interpretation and which can be performed efficiently using integer addition. An example is the creation of a new time index object by incrementing another one.
The design assumes that TimeIndex is implemented as an immutable object. @author Jean-Paul Vetterli @see TimeDomain

  }
  
  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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  }
  
  public void test_04() {
    try {
      UpdatableSeries<Double> s = db.getUpdatableSeries(SERIES, true).typeCheck(Double.class);
      TimeIndex t = s.getTimeDomain().time("2011-03-08");
      s.scanValue(t, "42");
      s.applyUpdates();
      assertEquals(42.0, s.getValue(t));
    } catch (Exception e) {
      fail(e.toString());

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  }
  
  public void test_05() {
    try {
      Series<Double> s = db.getUpdatableSeries(SERIES, true).typeCheck(Double.class);
      TimeIndex t = s.getTimeDomain().time("2011-03-08");
      assertEquals(42.0, s.getValue(t));
      assertFalse(s.getSurrogate().inConstruction());
    } catch (Exception e) {
      fail(e.toString());
    }

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  public void test_06() {
    try {
      if (getContext().isTransactional()) {
        db.rollback();
        Series<Double> s = db.getUpdatableSeries(SERIES, true).typeCheck(Double.class);
        TimeIndex t = s.getTimeDomain().time("2011-03-08");
        assertEquals(Double.NaN, s.getValue(t));
        assertTrue(s.getSurrogate().inConstruction());
      }
    } catch (Exception e) {
      fail(e.toString());

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