use of org.dmg.pmml.IntervalDocument.Interval.Closure in project knime-core by knime.
the class PMMLBinningTranslator method initializeFrom.
/**
* {@inheritDoc}
*/
@Override
public List<Integer> initializeFrom(final DerivedField[] derivedFields) {
m_mapper = new DerivedFieldMapper(derivedFields);
List<Integer> consumed = new ArrayList(derivedFields.length);
for (int i = 0; i < derivedFields.length; i++) {
DerivedField df = derivedFields[i];
if (!df.isSetDiscretize()) {
// only reading discretize entries other entries are skipped
continue;
}
consumed.add(i);
Discretize discretize = df.getDiscretize();
DiscretizeBin[] pmmlBins = discretize.getDiscretizeBinArray();
NumericBin[] knimeBins = new NumericBin[pmmlBins.length];
for (int j = 0; j < pmmlBins.length; j++) {
DiscretizeBin bin = pmmlBins[j];
String binName = bin.getBinValue();
Interval interval = bin.getInterval();
double leftValue = interval.getLeftMargin();
double rightValue = interval.getRightMargin();
Closure.Enum closure = interval.getClosure();
boolean leftOpen = true;
boolean rightOpen = true;
if (Closure.OPEN_CLOSED == closure) {
rightOpen = false;
} else if (Closure.CLOSED_OPEN == closure) {
leftOpen = false;
} else if (Closure.CLOSED_CLOSED == closure) {
leftOpen = false;
rightOpen = false;
}
knimeBins[j] = new NumericBin(binName, leftOpen, leftValue, rightOpen, rightValue);
}
/**
* This field contains the name of the column in KNIME that
* corresponds to the derived field in PMML. This is necessary if
* derived fields are defined on other derived fields and the
* columns in KNIME are replaced with the preprocessed values.
* In this case KNIME has to know the original names (e.g. A) while
* PMML references to A', A'' etc.
*/
String displayName = df.getDisplayName();
if (displayName != null) {
m_columnToBins.put(displayName, knimeBins);
m_columnToAppend.put(displayName, null);
} else if (df.getName() != null) {
String field = m_mapper.getColumnName(discretize.getField());
m_columnToBins.put(field, knimeBins);
m_columnToAppend.put(field, df.getName());
}
}
return consumed;
}
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