// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.plugins.graphview.core.data;
/**
* immutable representation of an OSM tag (key-value-pair)
*/
public class Tag {
/** key of the tag; != null */
public final String key;
/** value of the tag; != null */
public final String value;
public Tag(String key, String value) {
assert key != null && value != null;
this.key = key;
this.value = value;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof Tag)) {
return false;
} else {
Tag otherTag = (Tag) obj;
return key.equals(otherTag.key) && value.equals(otherTag.value);
}
}
@Override
public int hashCode() {
return key.hashCode() + value.hashCode();
}
@Override
public String toString() {
return key + "=" + value;
}
}