org.pcap4j.packet.namednumber.NamedNumber Maven / Gradle / Ivy

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/*_##########################################################################
  _##
  _##  Copyright (C) 2011-2016  Pcap4J.org
  _##
  _##########################################################################
*/

package org.pcap4j.packet.namednumber;

import java.io.Serializable;

/**
 * @author Kaito Yamada
 * @since pcap4j 0.9.1
 * @param  number
 * @param  named number
 */
public abstract class NamedNumber>
    implements Comparable, Serializable {

  /** */
  private static final long serialVersionUID = 3858426889927624965L;

  private final T value;
  private final String name;

  /**
   * @param value value
   * @param name name
   */
  protected NamedNumber(T value, String name) {
    if (value == null) {
      throw new IllegalArgumentException("value is null.");
    }
    if (name == null) {
      throw new IllegalArgumentException("name is null.");
    }
    this.value = value;
    this.name = name;
  }

  /** @return value */
  public T value() {
    return value;
  }

  /** @return name */
  public String name() {
    return name;
  }

  /** @return a string representation of this value. */
  public String valueAsString() {
    return value.toString();
  }

  @Override
  public abstract int compareTo(U o);

  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder(70);
    return sb.append(valueAsString()).append(" (").append(name).append(")").toString();
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + name.hashCode();
    result = prime * result + value.hashCode();
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj) {
      return true;
    }
    if (obj == null) {
      return false;
    }
    if (getClass() != obj.getClass()) {
      return false;
    }
    NamedNumber other = (NamedNumber) obj;
    if (!name.equals(other.name)) {
      return false;
    }
    if (!value.equals(other.value)) {
      return false;
    }
    return true;
  }
}