package com.silverforge.elasticsearchrawclient.queryDSL.queries.innerQueries;
import com.silverforge.elasticsearchrawclient.exceptions.MandatoryParametersAreMissingException;
import com.silverforge.elasticsearchrawclient.model.QueryTypeItem;
import com.silverforge.elasticsearchrawclient.queryDSL.Constants;
import com.silverforge.elasticsearchrawclient.definition.Queryable;
import com.silverforge.elasticsearchrawclient.queryDSL.generator.QueryFactory;
import com.silverforge.elasticsearchrawclient.utils.QueryTypeArrayList;
public class ExistsQuery
implements Queryable {
private QueryTypeArrayList<QueryTypeItem> queryBag;
public ExistsQuery(QueryTypeArrayList<QueryTypeItem> queryBag) {
this.queryBag = queryBag;
}
public static Init<?> builder() {
return new ExistsQueryBuilder();
}
@Override
public String getQueryString() {
return QueryFactory
.existsQueryGenerator()
.generate(queryBag);
}
public static class ExistsQueryBuilder
extends Init<ExistsQueryBuilder> {
@Override
protected ExistsQueryBuilder self() {
return this;
}
}
public static abstract class Init<T extends Init<T>> {
private QueryTypeArrayList<QueryTypeItem> queryBag = new QueryTypeArrayList<>();
protected abstract T self();
public T field(String field) {
queryBag.addItem(Constants.FIELD, field);
return self();
}
public ExistsQuery build() throws MandatoryParametersAreMissingException {
if(!queryBag.containsKey(Constants.FIELD)) {
throw new MandatoryParametersAreMissingException(Constants.FIELD);
}
return new ExistsQuery(queryBag);
}
}
}