com.nedap.archie.rules.evaluation.evaluators.functions.Ceil Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of tools Show documentation

tools that operate on the archie reference models and archetype object model

The newest version!

package com.nedap.archie.rules.evaluation.evaluators.functions;

import com.nedap.archie.rules.PrimitiveType;
import com.nedap.archie.rules.evaluation.FunctionCallException;
import com.nedap.archie.rules.evaluation.FunctionImplementation;
import com.nedap.archie.rules.evaluation.Value;
import com.nedap.archie.rules.evaluation.ValueList;

import java.util.List;

import static com.nedap.archie.rules.evaluation.evaluators.FunctionUtil.checkAndHandleNull;

public class Ceil implements FunctionImplementation {
    @Override
    public String getName() {
        return "ceil";
    }

    @Override
    public ValueList evaluate(List arguments) throws FunctionCallException {
        if(arguments.size() != 1) {
            throw new FunctionCallException("ceil expects one argument, but got " + arguments.size());
        }

        //if one of the values is null, return null.
        ValueList possiblyNullResult = checkAndHandleNull(arguments);
        if(possiblyNullResult != null) {
            possiblyNullResult.setType(PrimitiveType.Integer);
            return possiblyNullResult;
        }

        ValueList result = new ValueList();
        result.setType(PrimitiveType.Integer);

        for(Value valueObject : arguments.get(0).getValues()) {
            result.addValue(new Value<>((long) Math.ceil((Double) valueObject.getValue())));
        }

        return result;
    }
}