public Filter getInnerFilter() throws IOException {
if (filterParsed) {
return innerFilter;
} else {
if (path == null) {
throw new QueryParsingException(parseContext.index(), "[nested] requires 'path' field");
}
if (!filterFound) {
throw new QueryParsingException(
parseContext.index(), "[nested] requires either 'query' or 'filter' field");
}
setPathLevel();
XContentParser old = parseContext.parser();
try {
XContentParser innerParser = XContentHelper.createParser(source);
parseContext.parser(innerParser);
innerFilter = parseContext.parseInnerFilter();
filterParsed = true;
return innerFilter;
} finally {
resetPathLevel();
parseContext.parser(old);
}
}
}
public void filter() throws IOException {
if (path != null) {
setPathLevel();
try {
innerFilter = parseContext.parseInnerFilter();
} finally {
resetPathLevel();
}
filterParsed = true;
} else {
source = XContentFactory.smileBuilder().copyCurrentStructure(parseContext.parser()).bytes();
}
filterFound = true;
}
