NumberValue.java

package nl.uva.softwcons.ql.eval.value;

import java.math.BigDecimal;
import java.math.BigInteger;

public class NumberValue extends Value {
    private final BigDecimal value;

    public NumberValue(final int value) {
        this.value = new BigDecimal(value);
    }

    public NumberValue(final double value) {
        this.value = new BigDecimal(value);
    }

    public NumberValue(final Number value) {
        this.value = new BigDecimal(value.toString());
    }

    public NumberValue(final BigDecimal value) {
        this.value = value;
    }

    public NumberValue(final BigInteger value) {
        this.value = new BigDecimal(value);
    }

    @Override
    public BigDecimal getNumber() {
        return value;
    }

    @Override
    public String toString() {
        return value.toString();
    }

    @Override
    public Value add(final Value otherValue) {
        return otherValue.addNumber(this);
    }

    @Override
    public Value subtract(final Value otherValue) {
        return otherValue.subtractNumber(this);
    }

    @Override
    public Value multiply(final Value otherValue) {
        return otherValue.multiplyNumber(this);
    }

    @Override
    public Value divide(final Value otherValue) {
        return otherValue.divideNumber(this);
    }

    @Override
    public Value isEqual(final Value otherValue) {
        return otherValue.isEqualNumber(this);
    }

    @Override
    public Value isGreater(final Value otherValue) {
        return otherValue.isGreaterNumber(this);
    }

    @Override
    public Value isLower(final Value otherValue) {
        return otherValue.isLowerNumber(this);
    }

    @Override
    public Value isGreaterOrEqual(final Value otherValue) {
        return otherValue.isGreaterOrEqualNumber(this);
    }

    @Override
    public Value isLowerOrEqual(final Value otherValue) {
        return otherValue.isLowerNumber(this);
    }

    @Override
    public Value addNumber(final NumberValue otherValue) {
        return new NumberValue(this.value.add(otherValue.getNumber()));
    }

    @Override
    public Value subtractNumber(final NumberValue otherValue) {
        return new NumberValue(otherValue.getNumber().subtract(this.value));
    }

    @Override
    public Value multiplyNumber(final NumberValue otherValue) {
        return new NumberValue(this.value.multiply(otherValue.getNumber()));
    }

    @Override
    public Value divideNumber(final NumberValue otherValue) {
        return new NumberValue(otherValue.getNumber().divide(this.value));
    }

    @Override
    public BooleanValue isEqualNumber(final NumberValue otherValue) {
        return new BooleanValue(this.value.compareTo(otherValue.getNumber()) == 0);
    }

    @Override
    public BooleanValue isGreaterNumber(final NumberValue otherValue) {
        return new BooleanValue(otherValue.getNumber().compareTo(this.value) > 0);
    }

    @Override
    public BooleanValue isLowerNumber(final NumberValue otherValue) {
        return new BooleanValue(otherValue.getNumber().compareTo(this.value) < 0);
    }

    @Override
    public BooleanValue isGreaterOrEqualNumber(final NumberValue otherValue) {
        return new BooleanValue(otherValue.getNumber().compareTo(this.value) >= 0);
    }

    @Override
    public BooleanValue isLowerOrEqualNumber(final NumberValue otherValue) {
        return new BooleanValue(otherValue.getNumber().compareTo(this.value) <= 0);
    }

}