org.whaka.util.function.Tuple4 Maven / Gradle / Ivy
package org.whaka.util.function;
import java.util.Objects;
import com.google.common.base.MoreObjects;
/**
* Final immutable container for 4 objects of different types.
*
*
Values might be accessed directly: {@link #_1} and {@link #_2} and {@link #_3} and {@link #_4},
* or thru getters: {@link #get_1()} and {@link #get_2()} and {@link #get_3()} and {@link #get_4()}.
*
* @see #tuple4(Object, Object, Object, Object)
* @see Tuple2
* @see Tuple3
* @see Tuple5
*/
public final class Tuple4 {
public final A _1;
public final B _2;
public final C _3;
public final D _4;
public Tuple4(A _1, B _2, C _3, D _4) {
this._1 = _1;
this._2 = _2;
this._3 = _3;
this._4 = _4;
}
/**
* Factory method to create new instance of the immutable tuple.
*/
public static Tuple4 tuple4(A _1, B _2, C _3, D _4) {
return new Tuple4<>(_1, _2, _3, _4);
}
/**
* Value of the {@link #_1} field
*/
public A get_1() {
return _1;
}
/**
* Value of the {@link #_2} field
*/
public B get_2() {
return _2;
}
/**
* Value of the {@link #_3} field
*/
public C get_3() {
return _3;
}
/**
* Value of the {@link #_4} field
*/
public D get_4() {
return _4;
}
@Override
public int hashCode() {
return Objects.hash(_1, _2, _3, _4);
}
@Override
public boolean equals(Object object) {
if (object != null && getClass() == object.getClass()) {
Tuple4 that = (Tuple4) object;
return Objects.equals(this._1, that._1)
&& Objects.equals(this._2, that._2)
&& Objects.equals(this._3, that._3)
&& Objects.equals(this._4, that._4);
}
return false;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.addValue(_1)
.addValue(_2)
.addValue(_3)
.addValue(_4)
.toString();
}
}