Examples with WQConstraint com.peterphi.std.guice.restclient.jaxb.webquery.WQConstraint used on opensource projects

Example 1 with WQConstraint

use of com.peterphi.std.guice.restclient.jaxb.webquery.WQConstraint in project stdlib by petergeneric.

the class JPAQueryBuilder method parseConstraint.

private Predicate parseConstraint(final WQGroup group) {
    // If we can't optimise this group into an IN criteria...
    if (group.operator == WQGroupType.AND || !shouldBeInCriteria(group)) {
        List<Predicate> contents = parseConstraint(group.constraints);
        if (contents.size() == 1)
            return contents.get(0);
        switch(group.operator) {
            case AND:
                return criteriaBuilder.and(contents.toArray(new Predicate[conditions.size()]));
            case OR:
                return criteriaBuilder.or(contents.toArray(new Predicate[conditions.size()]));
            default:
                throw new IllegalArgumentException("Unknown group operator: " + group.operator);
        }
    } else {
        // We can optimise this group into an IN criteria
        final String field = ((WQConstraint) group.constraints.get(0)).field;
        final Expression property = getProperty(field);
        final List<Object> ids = group.constraints.stream().map(l -> parseValue(property, ((WQConstraint) l).value)).collect(Collectors.toList());
        return property.in(param(ids));
    }
}