source: java/main/src/main/java/com/framsticks/params/types/NumberParam.java @ 193

package com.framsticks.params.types;

import com.framsticks.params.CastFailure;
import com.framsticks.params.ParamBuilder;
import com.framsticks.params.PrimitiveParam;
import com.framsticks.params.ReassignResult;
import com.framsticks.util.lang.Casting;
import com.framsticks.util.lang.Numbers;

import javax.annotation.concurrent.Immutable;
import static com.framsticks.params.SetStateFlags.*;

/**
 * @author Piotr Sniegowski
 */
@Immutable
public abstract class NumberParam<T extends Number & Comparable<T>> extends PrimitiveParam<T> {

        /**
         * @param builder
         */
        public NumberParam(ParamBuilder builder) {
                super(builder);
        }

        @Override
        public boolean isNumeric() {
                return true;
        }

        protected ReassignResult<T> reassignNumber(Object newValue, Object oldValue, Class<T> type) throws CastFailure {
                T v = null;
                if (newValue instanceof String) {
                        v = Numbers.parse((String) newValue, type);
                } else {
                        v = Casting.tryCast(type, newValue);
                }
                if (v == null) {
                        throw new CastFailure();
                }
                if (min != null && v.compareTo(getMin(type)) < 0) {
                        return new ReassignResult<T>(getMin(type), PSET_HITMIN);
                }
                if (max != null && v.compareTo(getMax(type)) > 0) {
                        return new ReassignResult<T>(getMax(type), PSET_HITMAX);
                }
                return ReassignResult.create(v);
        }
}