package uk.ac.ebi.ep.sitemap.advanced;
/**
* How frequently the page is likely to change. This value provides
* general information to search engines and may not correlate exactly
* to how often they crawl the page. The value {@link #ALWAYS} should be used to
* describe documents that change each time they are accessed. The value
* {@link #NEVER} should be used to describe archived URLs.
*
* <p>Please note that the
* value of this tag is considered a <em>hint</em> and not a command. Even though
* search engine crawlers may consider this information when making
* decisions, they may crawl pages marked {@link #HOURLY} less frequently than
* that, and they may crawl pages marked {@link #YEARLY} more frequently than
* that. Crawlers may periodically crawl pages marked {@link #NEVER} so that
* they can handle unexpected changes to those pages.</p>
*/
public enum ChangeFreq {
ALWAYS, HOURLY, DAILY, WEEKLY, MONTHLY, YEARLY, NEVER;
String lowerCase;
private ChangeFreq() {
lowerCase = this.name().toLowerCase();
}
@Override
public String toString() {
return lowerCase;
}
}