+ public function getId()
+ {
+ return $this->iId;
+ }
+
+ /**
+ * Check if the token can be added to the given search.
+ * Derive new searches by adding this token to an existing search.
+ *
+ * @param object $oSearch Partial search description derived so far.
+ * @param object $oPosition Description of the token position within
+ the query.
+ *
+ * @return True if the token is compatible with the search configuration
+ * given the position.
+ */
+ public function isExtendable($oSearch, $oPosition)
+ {
+ return !$oSearch->hasCountry()
+ && $oPosition->maybePhrase('country')
+ && $oSearch->getContext()->isCountryApplicable($this->sCountryCode);
+ }
+
+ /**
+ * Derive new searches by adding this token to an existing search.
+ *
+ * @param object $oSearch Partial search description derived so far.
+ * @param object $oPosition Description of the token position within
+ the query.
+ *
+ * @return SearchDescription[] List of derived search descriptions.
+ */
+ public function extendSearch($oSearch, $oPosition)
+ {
+ $oNewSearch = $oSearch->clone($oPosition->isLastToken() ? 1 : 6);
+ $oNewSearch->setCountry($this->sCountryCode);
+
+ return array($oNewSearch);
+ }
+