de.tsl2.nano.util.operation.Range Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of tsl2.nano.operation Show documentation

TSL2 Framework Operation (abstract parser, conditioned functional or boolean operations - abstract structure for rule-engines)

There is a newer version: 2.5.4b

Show newest version

package de.tsl2.nano.util.operation;

import java.io.Serializable;
import java.util.List;

import de.tsl2.nano.core.cls.BeanClass;
import de.tsl2.nano.core.cls.IAttribute;
import de.tsl2.nano.core.cls.PrimitiveUtil;
import de.tsl2.nano.core.util.StringUtil;
import de.tsl2.nano.core.util.Util;


/**
 * Simplest implementation of {@link IRange}.
 * 
 * @author Thomas Schneider
 * @version $Revision$
 */
public class Range implements IRange, Serializable {

    /** serialVersionUID */
    private static final long serialVersionUID = -8480523674748971225L;
    
    /** the range minimum value */
    protected T from;
    /** the range maximum value */
    protected T to;

    /**
     * constructor for deserialization
     */
    protected Range() {
    }
    /**
     * constructor
     * @param from
     * @param to
     */
    public Range(T from, T to) {
        super();
        this.from = from;
        this.to = to;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public T getFrom() {
        return from;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public T getTo() {
        return to;
    }

    
    /**
     * @param from The from to set.
     */
    public void setFrom(T from) {
        this.from = from;
    }
    /**
     * @param to The to to set.
     */
    public void setTo(T to) {
        this.to = to;
    }
    /**
     * evaluates all primitive attributes of the given instance type and sets minimum values for them
     * @param instance range instance
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static void setPrimitiveMinValues(Object instance) {
        BeanClass cls = BeanClass.getBeanClass(instance.getClass());
        List attributes = cls.getAttributes();
        for (IAttribute a : attributes) {
            if (a.getType().isPrimitive()) {
                a.setValue(instance, PrimitiveUtil.getMinimumValue(a.getType()));
            }
        }
    }

    /**
     * evaluates all primitive attributes of the given instance type and sets maximum values for them
     * @param instance range instance
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static void setPrimitiveMaxValues(Object instance) {
        BeanClass cls = BeanClass.getBeanClass(instance.getClass());
        List attributes = cls.getAttributes();
        for (IAttribute a : attributes) {
            if (a.getType().isPrimitive()) {
                a.setValue(instance, PrimitiveUtil.getMaximumValue(a.getType()));
            }
        }
    }
    
    @Override
    public String toString() {
        return Util.toString(this.getClass(), "from", StringUtil.toString(from, 40), "to", StringUtil.toString(to, 40));
    }
}