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MeasurementUnitValidationUtils.java
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MeasurementUnitValidationUtils.java
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/*
* © 2021. TU Dortmund University,
* Institute of Energy Systems, Energy Efficiency and Energy Economics,
* Research group Distribution grid planning and operation
*/
package edu.ie3.datamodel.utils.validation;
import edu.ie3.datamodel.exceptions.UnsafeEntityException;
import edu.ie3.datamodel.exceptions.ValidationException;
import edu.ie3.datamodel.models.input.MeasurementUnitInput;
import edu.ie3.datamodel.utils.options.Failure;
import edu.ie3.datamodel.utils.options.Success;
import edu.ie3.datamodel.utils.options.Try;
public class MeasurementUnitValidationUtils extends ValidationUtils {
/** Private Constructor as this class is not meant to be instantiated */
private MeasurementUnitValidationUtils() {
throw new IllegalStateException("Don't try and instantiate a Utility class.");
}
/**
* Validates a measurement unit if: <br>
* - it is not null <br>
* - any values are measured
*
* @param measurementUnit Measurement unit to validate
*/
protected static Try<Void, ValidationException> check(MeasurementUnitInput measurementUnit) {
try {
checkNonNull(measurementUnit, "a measurement unit");
} catch (ValidationException e) {
return new Failure<>(e);
}
if (!measurementUnit.getP()
&& !measurementUnit.getQ()
&& !measurementUnit.getVAng()
&& !measurementUnit.getVMag()) {
return new Failure<>(
new UnsafeEntityException(
"Measurement Unit does not measure any values", measurementUnit));
} else {
return Success.empty();
}
}
}