/**
* Create a query based on the query string and the templates.
*
* @param query A free text query string
* @param templates The parsers picks out key:value strings and uses the templates to replace them
*/
@Override
public Cursor<T> query(String q, Map<String, String> templates) throws Exception {
assert q != null;
String parts[] = q.split("\\s+");
Search positive = new Search();
Search negative = new Search();
for (String p : parts) {
Matcher m = QUERY.matcher(p);
if (templates != null && m.matches()) {
boolean neg = m.group(1) != null;
String key = m.group(2);
String type = templates.get(key);
if (type != null) {
type += "=%s";
String word = m.group(3);
if (neg) where("!(" + type + ")", word);
else where(type, word);
}
} else {
if (p.startsWith("-")) negative.addAll(p);
else positive.addAll(p);
}
}
for (String key : positive.set()) {
where("__keywords=%s", key);
}
for (String key : negative.set()) {
where("(!(__keywords=%s)", key);
}
return this;
}
/** Index the text and set the keywords field with the tokenized texts. */
@Override
public Cursor<T> text(String text) throws Exception {
Search search = new Search();
search.addAll(text);
appendAll("__keywords", search.set());
return this;
}