private Query parse(AliasMetaData alias, QueryShardContext parseContext) {
if (alias.filter() == null) {
return null;
}
try {
byte[] filterSource = alias.filter().uncompressed();
try (XContentParser parser =
XContentFactory.xContent(filterSource).createParser(filterSource)) {
ParsedQuery parsedFilter = parseContext.parseInnerFilter(parser);
return parsedFilter == null ? null : parsedFilter.query();
}
} catch (IOException ex) {
throw new AliasFilterParsingException(
parseContext.index(), alias.getAlias(), "Invalid alias filter", ex);
}
}
