ValueDouble.java

package formulaAdapter;

/*Generated by MPS */

import jetbrains.mps.samples.formulaLanguage.api.Function;
import postingrules.AccountingEvent;
import mf.Quantity;

public class ValueDouble implements Function<Double> {
  private String myValueName;
  public ValueDouble(String valueName) {
    myValueName = valueName;
  }
  @Override
  public Double compute(Object parm) {
    AccountingEvent event = (AccountingEvent) parm;
    Object value = event.getAgreement().getValue(myValueName, event.getWhenOccurred());
    if (value instanceof Quantity) {
      return ((Quantity) value).getAmount();
    }
    return (Double) value;
  }
}