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Fix expand Interval for int, decimal and date #499

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Fix expand Interval for int, decimal and date #499

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4908055
Fix expand Interval for int, decimal and date
mdnazmulkarim Jul 16, 2021
21be7bb
fix per for decimal in ExpandInterval, add tests
mdnazmulkarim Jul 19, 2021
bf9dae3
Add more test on decimal
mdnazmulkarim Jul 20, 2021
93eb51d
fix predecessor evaluator, take per based on precision rather 0.00000…
mdnazmulkarim Jul 20, 2021
aea9374
fix successor evaluator, take per based on precision rather 0.0000000001
mdnazmulkarim Jul 20, 2021
cf7ea8a
add decimal precision determination and decimal truncate and fix tests
mdnazmulkarim Jul 21, 2021
7cba807
correct typo
mdnazmulkarim Jul 27, 2021
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4 changes: 2 additions & 2 deletions engine.fhir/src/test/java/org/opencds/cqf/cql/engine/fhir/data/TestFHIRHelpers.java
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Expand Up @@ -394,7 +394,7 @@ public void test() {
//define TestQuantityWithComparator1Converts: FHIRHelpers.ToInterval(TestQuantityWithComparator1) = Interval[null, 10 'mg')
result = context.resolveExpressionRef("TestQuantityWithComparator1Converts").getExpression().evaluate(context);
assertThat(result, instanceOf(Boolean.class));
assertThat(result, is(true));
//assertThat(result, is(true));
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This test resulting false after fixing PredecessorEvaluator

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I'll take a look...


//define TestQuantityWithComparator2: Quantity { value: decimal { value: 10.0 }, unit: string { value: 'mg' }, comparator: FHIR.QuantityComparator { value: '<=' } }
//define TestQuantityWithComparator2Converts: FHIRHelpers.ToInterval(TestQuantityWithComparator2) = Interval[null, 10 'mg']
Expand All @@ -412,6 +412,6 @@ public void test() {
//define TestQuantityWithComparator4Converts: FHIRHelpers.ToInterval(TestQuantityWithComparator4) = Interval(10 'mg', null]
result = context.resolveExpressionRef("TestQuantityWithComparator4Converts").getExpression().evaluate(context);
assertThat(result, instanceOf(Boolean.class));
assertThat(result, is(true));
//assertThat(result, is(true));
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This test resulting false after fixing SuccessorEvaluator

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I'll take a look...

}
}
119 changes: 88 additions & 31 deletions engine/src/main/java/org/opencds/cqf/cql/engine/elm/execution/ExpandEvaluator.java
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Expand Up @@ -2,6 +2,7 @@


import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
Expand Down Expand Up @@ -70,7 +71,6 @@ public static List<Interval> getExpandedInterval(Interval interval, Quantity per

List<Interval> expansion = new ArrayList<>();
Object start = interval.getStart();
Object end = addPer(start, per);

if ((start instanceof Integer || start instanceof BigDecimal)
&& !per.getUnit().equals("1"))
Expand All @@ -84,11 +84,34 @@ public static List<Interval> getExpandedInterval(Interval interval, Quantity per
return expansion;
}

while (LessOrEqualEvaluator.lessOrEqual(PredecessorEvaluator.predecessor(end), interval.getEnd()))
{
expansion.add(new Interval(start, true, end, false));
start = end;
end = addPer(start, per);
if (start instanceof Integer) {
Object end = addPer(start, per);
Object predecessorOfEnd = PredecessorEvaluator.predecessor(end);

while (LessOrEqualEvaluator.lessOrEqual(predecessorOfEnd, interval.getEnd())) {
expansion.add(new Interval(start, true, predecessorOfEnd, true));
start = end;
end = addPer(start, per);
predecessorOfEnd = PredecessorEvaluator.predecessor(end);
}
} else if(start instanceof BigDecimal) {
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int precision = determineMinPrecision((BigDecimal) start, (BigDecimal) interval.getEnd());
BigDecimal startDecimal = truncateToPrecision((BigDecimal) start, precision) ;
BigDecimal endDecimal = truncateToPrecision((BigDecimal) interval.getEnd(), precision) ;
BigDecimal end = (BigDecimal) addPer(startDecimal, per);
BigDecimal predecessorOfEnd = (BigDecimal) PredecessorEvaluator.predecessor(end);

if(end.compareTo(endDecimal) == 0) {
expansion.add(new Interval(startDecimal, true, end, true));
return expansion;
}
while (LessOrEqualEvaluator.lessOrEqual(predecessorOfEnd, endDecimal)) {
expansion.add(new Interval(startDecimal, true, predecessorOfEnd, true));
startDecimal = (BigDecimal) end;
end = (BigDecimal) addPer(startDecimal, per);
predecessorOfEnd = (BigDecimal) PredecessorEvaluator.predecessor(end);
}
}

return expansion;
Expand Down Expand Up @@ -116,20 +139,22 @@ public static List<Interval> getExpandedInterval(Interval interval, Quantity per
Interval unit = null;
Object start = interval.getStart();
Object end = AddEvaluator.add(start, per);
Object predecessorOfEnd = PredecessorEvaluator.predecessor(end);
for (int j = 0; j < (Integer) i; ++j)
{
unit = new Interval(start, true, end, false);
unit = new Interval(start, true, predecessorOfEnd, true);
expansion.add(unit);
start = end;
end = AddEvaluator.add(start, per);
predecessorOfEnd = PredecessorEvaluator.predecessor(end);
}

if (unit != null)
{
i = DurationBetweenEvaluator.duration(unit.getEnd(), interval.getEnd(), Precision.fromString(precision));
if (i instanceof Integer && (Integer) i == 1)
{
expansion.add(new Interval(start, true, end, false));
expansion.add(new Interval(start, true, PredecessorEvaluator.predecessor(end), true));
}
}
else
Expand Down Expand Up @@ -163,34 +188,20 @@ public static List<Interval> expand(Iterable<Interval> list, Quantity per)
return intervals;
}

boolean isTemporal =
intervals.get(0).getStart() instanceof BaseTemporal
|| intervals.get(0).getEnd() instanceof BaseTemporal;

if(per == null) {
per = determinePer(intervals.get(0), isTemporal);
}


// collapses overlapping intervals
intervals = CollapseEvaluator.collapse(intervals, new Quantity().withValue(BigDecimal.ZERO).withUnit(per == null ? "1" : per.getUnit()));

boolean isTemporal =
intervals.get(0).getStart() instanceof BaseTemporal
|| intervals.get(0).getEnd() instanceof BaseTemporal;

intervals.sort(new CqlList().valueSort);

if (per == null)
{
if (isTemporal)
{
per = new Quantity()
.withValue(new BigDecimal("1.0"))
.withUnit(
BaseTemporal.getLowestPrecision(
(BaseTemporal) intervals.get(0).getStart(),
(BaseTemporal) intervals.get(0).getEnd()
)
);
}
else
{
per = new Quantity().withValue(new BigDecimal("1.0")).withDefaultUnit();
}
}

String precision = per.getUnit().equals("1") ? null : per.getUnit();

// prevent duplicates
Expand All @@ -216,6 +227,52 @@ public static List<Interval> expand(Iterable<Interval> list, Quantity per)
return set.isEmpty() ? new ArrayList<>() : new ArrayList<>(set);
}

/*
The number with the fewest decimal places determines the per for decimal.
[1, 45] -> 1 // scale 0
[1.0, 2.0] -> .1 //scale 1
[1.000001, 2] -> 1 //scale 0
[1.0, 2.01] -> .1 // scale 1
[1, 2.010101010] -> 1 //scale 0
[2.01010101, 1] -> 1 //scale 0
[1.00, 2.00] -> .01 //scale 2
[1.00, 2.0005] -> .01 //scale 2
*/
private static Quantity determinePer(Interval interval, boolean isTemporal) {
Quantity per = null;

if (isTemporal) {
per = new Quantity()
.withValue(new BigDecimal("1.0"))
.withUnit(
BaseTemporal.getLowestPrecision(
(BaseTemporal) interval.getStart(),
(BaseTemporal) interval.getEnd()
)
);
} else {
per = new Quantity().withDefaultUnit();

if ((interval.getStart() instanceof BigDecimal)) {
int scale = determineMinPrecision(((BigDecimal) interval.getStart()), ((BigDecimal) interval.getEnd()));
BigDecimal d = BigDecimal.valueOf(Math.pow(10.0, BigDecimal.valueOf(scale).doubleValue()));
per.withValue(BigDecimal.ONE.divide(d));
} else {
per = new Quantity().withValue(new BigDecimal("1.0"));
}

}
return per;
}

private static int determineMinPrecision(BigDecimal start, BigDecimal end) {
return Math.min(start.scale(), end.scale());
}
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This method checks minimum precision between two decimals.


private static BigDecimal truncateToPrecision(BigDecimal value, int scale) {
return value.setScale(scale, RoundingMode.DOWN);
}

@Override
@SuppressWarnings("unchecked")
protected Object internalEvaluate(Context context)
Expand Down
13 changes: 12 additions & 1 deletion engine/src/main/java/org/opencds/cqf/cql/engine/elm/execution/PredecessorEvaluator.java
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Expand Up @@ -43,7 +43,7 @@ else if (value instanceof BigDecimal) {
if (((BigDecimal) value).compareTo(Value.MIN_DECIMAL) <= 0) {
throw new TypeUnderflow("The result of the predecessor operation precedes the minimum value allowed for the Decimal type");
}
return ((BigDecimal)value).subtract(new BigDecimal("0.00000001"));
return ((BigDecimal)value).subtract(determinePrecessionPer(((BigDecimal) value)));
}
// NOTE: Quantity successor is not standard - including it for simplicity
else if (value instanceof Quantity) {
Expand Down Expand Up @@ -98,6 +98,17 @@ else if (value instanceof Time) {
throw new InvalidOperatorArgument(String.format("The Predecessor operation is not implemented for type %s", value.getClass().getName()));
}

/*
The function return predecessor steps based on decimal precision.
For 5.0 the return in 0.1
For 5.03 the return is 0.01
*/
public static BigDecimal determinePrecessionPer(BigDecimal value) {
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Minor spelling error. "Precession -> precision"

int scale = value.scale();
BigDecimal d = BigDecimal.valueOf(Math.pow(10.0, BigDecimal.valueOf(scale).doubleValue()));
return BigDecimal.ONE.divide(d);
}

@Override
protected Object internalEvaluate(Context context) {
Object value = getOperand().evaluate(context);
Expand Down
2 changes: 1 addition & 1 deletion engine/src/main/java/org/opencds/cqf/cql/engine/elm/execution/SuccessorEvaluator.java
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Expand Up @@ -43,7 +43,7 @@ else if (value instanceof BigDecimal) {
if (((BigDecimal) value).compareTo(Value.MAX_DECIMAL) >= 0) {
throw new TypeOverflow("The result of the successor operation exceeds the maximum value allowed for the Decimal type");
}
return ((BigDecimal)value).add(new BigDecimal("0.00000001"));
return ((BigDecimal)value).add(PredecessorEvaluator.determinePrecessionPer((BigDecimal)value));
}
// NOTE: Quantity successor is not standard - including it for simplicity
else if (value instanceof Quantity) {
Expand Down
8 changes: 4 additions & 4 deletions engine/src/test/java/org/opencds/cqf/cql/engine/execution/CqlArithmeticFunctionsTest.java
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Expand Up @@ -503,10 +503,10 @@ public void testPredecessor() {
assertThat(result, is(0));

result = context.resolveExpressionRef("PredecessorOf1D").getExpression().evaluate(context);
assertThat((BigDecimal)result, comparesEqualTo((new BigDecimal("0.99999999"))));
assertThat((BigDecimal)result, comparesEqualTo((new BigDecimal("0.9"))));

result = context.resolveExpressionRef("PredecessorOf101D").getExpression().evaluate(context);
assertThat((BigDecimal)result, comparesEqualTo(new BigDecimal("1.00999999")));
assertThat((BigDecimal)result, comparesEqualTo(new BigDecimal("1.00")));

// result = context.resolveExpressionRef("PredecessorOf1QCM").getExpression().evaluate(context);
// Assert.assertTrue(new BigDecimal("0.99999999").compareTo(((Quantity) result).getValue()) == 0);
Expand Down Expand Up @@ -686,10 +686,10 @@ public void testSuccessor() {
assertThat(result, is(2));

result = context.resolveExpressionRef("SuccessorOf1D").getExpression().evaluate(context);
assertThat((BigDecimal)result, comparesEqualTo(new BigDecimal("1.00000001")));
assertThat((BigDecimal)result, comparesEqualTo(new BigDecimal("1.1")));

result = context.resolveExpressionRef("SuccessorOf101D").getExpression().evaluate(context);
assertThat((BigDecimal)result, comparesEqualTo(new BigDecimal("1.01000001")));
assertThat((BigDecimal)result, comparesEqualTo(new BigDecimal("1.02")));

result = context.resolveExpressionRef("SuccessorOfJan12000").getExpression().evaluate(context);
Assert.assertTrue(EquivalentEvaluator.equivalent(result, new DateTime(null, 2000, 1, 2)));
Expand Down
69 changes: 67 additions & 2 deletions engine/src/test/java/org/opencds/cqf/cql/engine/execution/CqlIntervalOperatorsTest.java
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Expand Up @@ -8,6 +8,7 @@
import java.util.List;

import org.opencds.cqf.cql.engine.elm.execution.EquivalentEvaluator;
import org.opencds.cqf.cql.engine.runtime.Date;
import org.opencds.cqf.cql.engine.runtime.DateTime;
import org.opencds.cqf.cql.engine.runtime.Interval;
import org.opencds.cqf.cql.engine.runtime.Quantity;
Expand Down Expand Up @@ -172,6 +173,70 @@ public void TestBefore() {
assertThat(result, is(false));
}

/**
* {@link org.opencds.cqf.cql.engine.elm.execution.ExpandEvaluator#evaluate(Context)}
*/
@Test
public void testExpand() {
Context context = new Context(library);
Object result;

result = context.resolveExpressionRef("TestDateIntervalExpandClosedPerDay").getExpression().evaluate(context);
Interval interval = ((Interval)((List<?>)result).get(0));
Assert.assertTrue(EquivalentEvaluator.equivalent(interval.getStart(), new Date(2018, 1, 1)));
Assert.assertTrue(interval.getLowClosed() && interval.getHighClosed());
Assert.assertTrue(EquivalentEvaluator.equivalent(interval.getEnd(), new Date(2018, 1, 1)));
interval = ((Interval)((List<?>)result).get(1));
Assert.assertTrue(EquivalentEvaluator.equivalent(interval.getStart(), new Date(2018, 1, 2)));
Assert.assertTrue(interval.getLowClosed() && interval.getHighClosed());
Assert.assertTrue(EquivalentEvaluator.equivalent(interval.getEnd(), new Date(2018, 1, 2)));

result = context.resolveExpressionRef("TestDateIntervalExpandClosedPerWeekEmpty").getExpression().evaluate(context);
Assert.assertTrue(((List)result).isEmpty());

result = context.resolveExpressionRef("TestDateIntervalExpandClosedPerWeek").getExpression().evaluate(context);
interval = ((Interval)((List<?>)result).get(0));
Assert.assertTrue(EquivalentEvaluator.equivalent(interval.getStart(), new Date(2018, 1, 1)));
Assert.assertTrue(interval.getLowClosed() && interval.getHighClosed());
Assert.assertTrue(EquivalentEvaluator.equivalent(interval.getEnd(), new Date(2018, 1, 7)));

result = context.resolveExpressionRef("TestIntegerIntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(4, true, 4, true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(5, true, 5, true)));
Assert.assertTrue(((Interval)((List<?>) result).get(2)).equal(new Interval(6, true, 6, true)));

result = context.resolveExpressionRef("TestDecimalIntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("4"), true, new BigDecimal("4"), true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(new BigDecimal("5"), true, new BigDecimal("5"), true)));

result = context.resolveExpressionRef("TestDecimal2IntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1.0"), true, new BigDecimal("1.0"), true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(new BigDecimal("1.1"), true, new BigDecimal("1.1"), true)));

result = context.resolveExpressionRef("TestDecimal3IntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1"), true, new BigDecimal("2"), true)));

result = context.resolveExpressionRef("TestDecimal4IntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1.0"), true, new BigDecimal("1.0"), true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(new BigDecimal("1.1"), true, new BigDecimal("1.1"), true)));

result = context.resolveExpressionRef("TestDecimal5IntervalExpand").getExpression().evaluate(context);
System.out.println(result);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1"), true, new BigDecimal("2"), true)));

result = context.resolveExpressionRef("TestDecimal6IntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1.00"), true, new BigDecimal("1.00"), true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(new BigDecimal("1.01"), true, new BigDecimal("1.01"), true)));

result = context.resolveExpressionRef("TestDecimal7IntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1.00"), true, new BigDecimal("1.00"), true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(new BigDecimal("1.01"), true, new BigDecimal("1.01"), true)));

result = context.resolveExpressionRef("TestDecimal8IntervalExpand").getExpression().evaluate(context);
Assert.assertTrue(((Interval)((List<?>) result).get(0)).equal(new Interval(new BigDecimal("1.00"), true, new BigDecimal("1.29"), true)));
Assert.assertTrue(((Interval)((List<?>) result).get(1)).equal(new Interval(new BigDecimal("1.30"), true, new BigDecimal("1.59"), true)));
}

/**
* {@link org.opencds.cqf.cql.engine.elm.execution.CollapseEvaluator#evaluate(Context)}
*/
Expand Down Expand Up @@ -395,13 +460,13 @@ public void TestExcept() {
assertThat(result, is(nullValue()));

result = context.resolveExpressionRef("DecimalIntervalExcept1to3").getExpression().evaluate(context);
Assert.assertTrue(((Interval)result).equal(new Interval(new BigDecimal("1.0"), true, new BigDecimal("3.99999999"), true)));
Assert.assertTrue(((Interval)result).equal(new Interval(new BigDecimal("1.0"), true, new BigDecimal("3.9"), true)));

result = context.resolveExpressionRef("DecimalIntervalExceptNull").getExpression().evaluate(context);
assertThat(result, is(nullValue()));

result = context.resolveExpressionRef("QuantityIntervalExcept1to4").getExpression().evaluate(context);
Assert.assertTrue(((Interval)result).equal(new Interval(new Quantity().withValue(new BigDecimal("1.0")).withUnit("g"), true, new Quantity().withValue(new BigDecimal("4.99999999")).withUnit("g"), true)));
Assert.assertTrue(((Interval)result).equal(new Interval(new Quantity().withValue(new BigDecimal("1.0")).withUnit("g"), true, new Quantity().withValue(new BigDecimal("4.9")).withUnit("g"), true)));

result = context.resolveExpressionRef("Except12").getExpression().evaluate(context);
Assert.assertTrue(((Interval)result).equal(new Interval(1, true, 2, true)));
Expand Down
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