it.unipi.di.acube.batframework.data.Mention Maven / Gradle / Ivy

package it.unipi.di.acube.batframework.data;

import java.io.Serializable;

public class Mention implements Serializable, Cloneable, Comparable {
	private static final long serialVersionUID = 1L;
	private int position; // starting position of the annotation in the original
							// text
	private int length; // length of the annotation in the original text

	public Mention(int position, int length) {
		this.position = position;
		this.length = length;
	}

	public int getPosition() {
		return position;
	}

	public int getLength() {
		return length;
	}

	@Override
	public boolean equals(Object m) {
		Mention men = (Mention) m;
		return (this.position == men.position && this.length == men.length);
	}

	@Override
	public int hashCode() {
		return new Integer(position).hashCode()
				^ new Integer(length).hashCode();
	}

	@Override
	public Object clone() {
		return new Mention(this.getPosition(), this.getLength());
	}

	public boolean overlaps(Mention m) {
		int p1 = this.getPosition();
		int l1 = this.getLength();
		int e1 = p1 + l1 - 1;
		int p2 = m.getPosition();
		int l2 = m.getLength();
		int e2 = p2 + l2 - 1;
		return ((p1 <= p2 && p2 <= e1) || (p1 <= e2 && e2 <= e1)
				|| (p2 <= p1 && p1 <= e2) || (p2 <= e1 && e1 <= e2));

	}

	@Override
	public int compareTo(Mention m) {
		return this.getPosition() - m.getPosition();
	}

	@Override
	public String toString() {
		return String.format("(%d, %d)", this.position, this.length);
	}
}