com.jflyfox.util.tuple.TwoTuple Maven / Gradle / Ivy
package com.jflyfox.util.tuple;
/**
* 二元组
* @param
* @param
*/
public class TwoTuple implements ITuple {
public final A first;
public final B second;
public TwoTuple(A a, B b) {
first = a;
second = b;
}
public String toString() {
return "(" + first + ", " + second + ")";
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((first == null) ? 0 : first.hashCode());
result = prime * result + ((second == null) ? 0 : second.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;
}
@SuppressWarnings("rawtypes")
TwoTuple other = (TwoTuple) obj;
if (first == null) {
if (other.first != null) {
return false;
}
} else if (!first.equals(other.first)) {
return false;
}
if (second == null) {
if (other.second != null) {
return false;
}
} else if (!second.equals(other.second)) {
return false;
}
return true;
}
@Override
public int size() {
return 2;
}
@Override
public Object[] toArray() {
return new Object[]{first, second};
}
}