com.mongodb.operation.MapReduceHelper Maven / Gradle / Ivy
The newest version!
/*
* Copyright 2008-present 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;
import org.bson.BsonInt32;
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", new BsonDocument()).getNumber("input", new BsonInt32(0)).intValue();
}
private static int getOutputCount(final BsonDocument result) {
return result.getDocument("counts", new BsonDocument()).getNumber("output", new BsonInt32(0)).intValue();
}
private static int getEmitCount(final BsonDocument result) {
return result.getDocument("counts", new BsonDocument()).getNumber("emit", new BsonInt32(0)).intValue();
}
private static int getDuration(final BsonDocument result) {
return result.getNumber("timeMillis", new BsonInt32(0)).intValue();
}
private MapReduceHelper() {
}
}