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Neo4j-OGM transport that uses the official Java-Driver to connect to Neo4j via the Bolt-protocol.

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/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This product is licensed to you under the Apache License, Version 2.0 (the "License").
 * You may not use this product except in compliance with the License.
 *
 * This product may include a number of subcomponents with
 * separate copyright notices and license terms. Your use of the source
 * code for these subcomponents is subject to the terms and
 *  conditions of the subcomponent's license, as noted in the LICENSE file.
 */

package org.neo4j.ogm.drivers.bolt.response;

import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;

import org.neo4j.driver.v1.Record;
import org.neo4j.driver.v1.StatementResult;
import org.neo4j.ogm.response.model.DefaultRestModel;
import org.neo4j.ogm.response.model.QueryStatisticsModel;
import org.neo4j.ogm.transaction.TransactionManager;

/**
 * @author Luanne Misquitta
 */
public class RestModelResponse extends BoltResponse {

	private BoltRestModelAdapter restModelAdapter;
	private final QueryStatisticsModel statisticsModel;
	private final Iterator resultProjection;

	public RestModelResponse(StatementResult result, TransactionManager transactionManager) {
		super(result, transactionManager);
		this.restModelAdapter = new BoltRestModelAdapter();
		resultProjection = result.list().iterator();
		statisticsModel = new StatisticsModelAdapter().adapt(result);
	}

	@Override
	public DefaultRestModel fetchNext() {
		DefaultRestModel defaultRestModel = new DefaultRestModel(buildModel());
		defaultRestModel.setStats(statisticsModel);
		return defaultRestModel;
	}

	private Map buildModel() {
		Map row = new LinkedHashMap<>();
		if (resultProjection.hasNext()) {
			row = restModelAdapter.adapt(resultProjection.next().asMap());
		}

		return row;
	}
}