AmountRetained.java

Go to the documentation of this file.

/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2013 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.financials.model.document;
 
import org.turro.math.Round;
 
public class AmountRetained implements Comparable<AmountRetained> {
 
  private Double perCent, taxable;
  private int fractionDigits;
 
  public AmountRetained(Double perCent) {
    this.perCent = perCent;
    taxable = 0.0;
  }
 
  public void add(Double taxable) {
    this.taxable += taxable;
  }
 
  public boolean isPerCent(Double perCent) {
    return this.perCent.equals(perCent);
  }
  
  public void setFractionDigits(int fractionDigits) {
    this.fractionDigits = fractionDigits;
  }
 
  public Double getRetention() {
    return perCent;
  }
 
  public Double getTaxable() {
    return taxable;
  }
  
  public Double getRetained() {
    return new Round((taxable * (perCent / 100.0))).decimals(fractionDigits).value();
  }
 
  public boolean isEmpty() {
    return taxable == null || taxable == 0 || taxable.isNaN();
  }
  
  @Override
  public int hashCode() {
    int hash = 7;
    hash = 37 * hash + (this.perCent != null ? this.perCent.hashCode() : 0);
    return hash;
  }
 
  @Override
  public boolean equals(Object obj) {
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    final AmountRetained other = (AmountRetained) obj;
    if (this.perCent != other.perCent && (this.perCent == null || !this.perCent.equals(other.perCent))) {
      return false;
    }
    return true;
  }
 
  @Override
  public int compareTo(AmountRetained o) {
    return perCent.compareTo(o.perCent);
  }
 
}