/**
* Fails if a percolator contains an unsupported query. The following queries are not supported:
* 1) a range query with a date range based on current time 2) a has_child query 3) a has_parent
* query
*/
static void verifyQuery(QueryBuilder queryBuilder) {
if (queryBuilder instanceof RangeQueryBuilder) {
RangeQueryBuilder rangeQueryBuilder = (RangeQueryBuilder) queryBuilder;
if (rangeQueryBuilder.from() instanceof String) {
String from = (String) rangeQueryBuilder.from();
String to = (String) rangeQueryBuilder.to();
if (from.contains("now") || to.contains("now")) {
throw new IllegalArgumentException(
"percolator queries containing time range queries based on the "
+ "current time is unsupported");
}
}
} else if (queryBuilder instanceof HasChildQueryBuilder) {
throw new IllegalArgumentException(
"the [has_child] query is unsupported inside a percolator query");
} else if (queryBuilder instanceof HasParentQueryBuilder) {
throw new IllegalArgumentException(
"the [has_parent] query is unsupported inside a percolator query");
} else if (queryBuilder instanceof BoolQueryBuilder) {
BoolQueryBuilder boolQueryBuilder = (BoolQueryBuilder) queryBuilder;
List<QueryBuilder> clauses = new ArrayList<>();
clauses.addAll(boolQueryBuilder.filter());
clauses.addAll(boolQueryBuilder.must());
clauses.addAll(boolQueryBuilder.mustNot());
clauses.addAll(boolQueryBuilder.should());
for (QueryBuilder clause : clauses) {
verifyQuery(clause);
}
} else if (queryBuilder instanceof ConstantScoreQueryBuilder) {
verifyQuery(((ConstantScoreQueryBuilder) queryBuilder).innerQuery());
} else if (queryBuilder instanceof FunctionScoreQueryBuilder) {
verifyQuery(((FunctionScoreQueryBuilder) queryBuilder).query());
} else if (queryBuilder instanceof BoostingQueryBuilder) {
verifyQuery(((BoostingQueryBuilder) queryBuilder).negativeQuery());
verifyQuery(((BoostingQueryBuilder) queryBuilder).positiveQuery());
}
}