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package com.github.edgar615.util.vertx.function;

/**
 * 二元组.
 */
public class Tuple2 {

  private final T1 t1;

  private final T2 t2;

  private Tuple2(T1 t1, T2 t2) {
    this.t1 = t1;
    this.t2 = t2;
  }

  public static  Tuple2 create(T1 t1, T2 t2) {
    return new Tuple2<>(t1, t2);
  }

  public T1 getT1() {
    return t1;
  }

  public T2 getT2() {
    return t2;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }

    if (o == null || getClass() != o.getClass()) {
      return false;
    }

    final Tuple2 tuple2 = (Tuple2) o;

    if (t1 != null ? !t1.equals(tuple2.t1) : tuple2.t1 != null) {
      return false;
    }

    if (t2 != null ? !t2.equals(tuple2.t2) : tuple2.t2 != null) {
      return false;
    }

    return true;
  }

  @Override
  public int hashCode() {
    int result = t1 != null ? t1.hashCode() : 0;

    result = 31 * result + (t2 != null ? t2.hashCode() : 0);

    return result;
  }


  @Override
  public String toString() {
    return String.format("(%s, %s)", getT1(), getT2());
  }

}