package org.skywalking.apm.trace.tag;
import org.skywalking.apm.trace.Span;
/**
* Do the same thing as {@link StringTag}, just with a {@link Short} value.
* <p>
* Created by wusheng on 2017/2/17.
*/
public class ShortTag extends AbstractTag<Short> {
public ShortTag(String key) {
super(key);
}
@Override
public void set(Span span, Short tagValue) {
span.setTag(super.key, (int) tagValue.shortValue());
}
/**
* Get a tag value, type of {@link Short}.
* After akka-message/serialize, all tags values are type of {@link String}, convert to {@link Short}, if necessary.
*
* @param span
* @return tag value
*/
@Override
public Short get(Span span) {
Integer tagValue = span.getIntTag(super.key);
if (tagValue == null) {
return null;
} else {
return Short.valueOf(tagValue.toString());
}
}
}