BfSfQueryTemplate.java

/**
 * @author ishaikh
 *
 */
package com.transformuk.bdt.util;

import static org.elasticsearch.common.xcontent.XContentFactory.jsonBuilder;
import static org.elasticsearch.index.query.QueryBuilders.boolQuery;
import static org.elasticsearch.index.query.QueryBuilders.boostingQuery;
import static org.elasticsearch.index.query.QueryBuilders.matchPhraseQuery;
import static org.elasticsearch.index.query.QueryBuilders.matchQuery;
import static org.elasticsearch.index.query.QueryBuilders.multiMatchQuery;
import static org.elasticsearch.index.query.QueryBuilders.queryString;

import java.io.IOException;

import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.index.query.MatchQueryBuilder.Operator;
import org.elasticsearch.index.query.MultiMatchQueryBuilder.Type;

public class BfSfQueryTemplate {
	
	public static String buildTemplate() throws IOException { 
		
		XContentBuilder builder = jsonBuilder()
		    .startObject()
		        .field("query", 
		        		boolQuery()
		        			.should(multiMatchQuery("categories", "title", "short_description").boost(3))
		        			.should(multiMatchQuery("council", "title", "short_description").boost(0.3f))
		        			.should(boostingQuery()
		        					.positive(queryString("my +ve query")
		        							.boost(0.6f))
		        					.negative(queryString("my -ve query"))
		        					.negativeBoost(-2))
		        			.must(matchQuery("stages", "STAGE"))
		        			.must(multiMatchQuery("region", "locations", "areas").type(Type.BEST_FIELDS).operator(Operator.AND))
		        			.mustNot(matchPhraseQuery("title", "Access to Work"))
		        		)
		        				
		        
		    .endObject().startArray("fields").field("short_description").field("title").endArray();
		
		builder.string();
		
	return builder.toString();
	}
}