/* * Copyright (c) 2008-2014 MongoDB, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.mongodb.operation; import org.bson.BsonDocument; final class MapReduceHelper { static MapReduceStatistics createStatistics(final BsonDocument result) { return new MapReduceStatistics(getInputCount(result), getOutputCount(result), getEmitCount(result), getDuration(result)); } private static int getInputCount(final BsonDocument result) { return result.getDocument("counts").getNumber("input").intValue(); } private static int getOutputCount(final BsonDocument result) { return result.getDocument("counts").getNumber("output").intValue(); } private static int getEmitCount(final BsonDocument result) { return result.getDocument("counts").getNumber("emit").intValue(); } private static int getDuration(final BsonDocument result) { return result.getNumber("timeMillis").intValue(); } private MapReduceHelper() { } }