/**
* Returns an Objectify Query object for the specified filters.
*
* @return an Objectify Query.
*/
@ApiResourceProperty(ignored = AnnotationBoolean.TRUE)
public Query<Conference> getQuery() {
// First check the feasibility of inequality filters.
checkFilters();
Query<Conference> query = ofy().load().type(Conference.class);
if (inequalityFilter == null) {
// Order by name.
query = query.order("name");
} else {
// If we have any inequality filters, order by the field first.
query = query.order(inequalityFilter.field.getFieldName());
query = query.order("name");
}
for (Filter filter : this.filters) {
// Applies filters in order.
if (filter.field.fieldType == FieldType.STRING) {
query =
query.filter(
String.format(
"%s %s", filter.field.getFieldName(), filter.operator.getQueryOperator()),
filter.value);
} else if (filter.field.fieldType == FieldType.INTEGER) {
query =
query.filter(
String.format(
"%s %s", filter.field.getFieldName(), filter.operator.getQueryOperator()),
Integer.parseInt(filter.value));
}
}
LOG.info(query.toString());
return query;
}
