net.clementlevallois.utils.DirectedPair Maven / Gradle / Ivy
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package net.clementlevallois.utils;
/**
*
* @author C. Levallois retrieved from
* http://stackoverflow.com/questions/521171/a-java-collection-of-value-pairs-tuples
* @param
* @param
*/
public class DirectedPair, R extends Comparable> implements Comparable> {
private final L left;
private final R right;
/**
*
* @param left
* @param right
*/
public DirectedPair(L left, R right) {
this.left = left;
this.right = right;
}
/**
*
* @return
*/
public L getLeft() {
return left;
}
/**
*
* @return
*/
public R getRight() {
return right;
}
/**
*
* @return
*/
@Override
public int hashCode() {
return left.hashCode() ^ right.hashCode();
}
/**
*
* @param o
* @return
*/
@Override
public boolean equals(Object o) {
if (o == null) {
return false;
}
if (!(o instanceof DirectedPair)) {
return false;
}
DirectedPair pairo = (DirectedPair) o;
return this.left.equals(pairo.getLeft())
&& this.right.equals(pairo.getRight());
}
/**
*
* @param other
* @return
*/
@Override
public int compareTo(DirectedPair other) {
int cmp = this.left.compareTo(other.left);
if(cmp==0) {
cmp = this.right.compareTo(other.right);
}
return cmp;
}
}