FourTuple.java
1.12 KB
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package com.jflyfox.util.tuple;
/**
* 四元组
* @param <A>
* @param <B>
* @param <C>
* @param <D>
*/
public class FourTuple<A, B, C, D> extends ThreeTuple<A, B, C> {
public final D fourth;
public FourTuple(A a, B b, C c, D d) {
super(a, b, c);
fourth = d;
}
public String toString() {
return "(" + first + ", " + second + ", " + third + ", " + fourth + ")";
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((fourth == null) ? 0 : fourth.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!super.equals(obj)) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
@SuppressWarnings("rawtypes")
FourTuple other = (FourTuple) obj;
if (fourth == null) {
if (other.fourth != null) {
return false;
}
} else if (!fourth.equals(other.fourth)) {
return false;
}
return true;
}
@Override
public int size() {
return 4;
}
@Override
public Object[] toArray() {
return new Object[]{first, second, third, fourth};
}
}