org.springframework.data.mongodb.microbenchmark.MongoResultsWriter.java Source code

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Here is the source code for org.springframework.data.mongodb.microbenchmark.MongoResultsWriter.java

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/*
 * Copyright 2017-2018 the original author or authors.
 *
 * 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 org.springframework.data.mongodb.microbenchmark;

import java.util.Collection;
import java.util.Date;
import java.util.List;

import org.bson.Document;
import org.openjdk.jmh.results.RunResult;
import org.springframework.core.env.StandardEnvironment;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;

import com.mongodb.BasicDBObject;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientURI;
import com.mongodb.client.MongoDatabase;
import com.mongodb.util.JSON;

/**
 * MongoDB specific {@link ResultsWriter} implementation.
 *
 * @author Christoph Strobl
 * @since 2.0
 */
class MongoResultsWriter implements ResultsWriter {

    private final String uri;

    MongoResultsWriter(String uri) {
        this.uri = uri;
    }

    @Override
    public void write(Collection<RunResult> results) {

        Date now = new Date();
        StandardEnvironment env = new StandardEnvironment();

        String projectVersion = env.getProperty("project.version", "unknown");
        String gitBranch = env.getProperty("git.branch", "unknown");
        String gitDirty = env.getProperty("git.dirty", "no");
        String gitCommitId = env.getProperty("git.commit.id", "unknown");

        MongoClientURI uri = new MongoClientURI(this.uri);
        MongoClient client = new MongoClient(uri);

        String dbName = StringUtils.hasText(uri.getDatabase()) ? uri.getDatabase()
                : "spring-data-mongodb-benchmarks";
        MongoDatabase db = client.getDatabase(dbName);

        for (BasicDBObject dbo : (List<BasicDBObject>) JSON.parse(ResultsWriter.jsonifyResults(results))) {

            String collectionName = extractClass(dbo.get("benchmark").toString());

            Document sink = new Document();
            sink.append("_version", projectVersion);
            sink.append("_branch", gitBranch);
            sink.append("_commit", gitCommitId);
            sink.append("_dirty", gitDirty);
            sink.append("_method", extractBenchmarkName(dbo.get("benchmark").toString()));
            sink.append("_date", now);
            sink.append("_snapshot", projectVersion.toLowerCase().contains("snapshot"));

            sink.putAll(dbo);

            db.getCollection(collectionName).insertOne(fixDocumentKeys(sink));
        }

        client.close();
    }

    /**
     * Replace {@code .} by {@code ,}.
     *
     * @param doc
     * @return
     */
    private Document fixDocumentKeys(Document doc) {

        Document sanitized = new Document();

        for (Object key : doc.keySet()) {

            Object value = doc.get(key);
            if (value instanceof Document) {
                value = fixDocumentKeys((Document) value);
            } else if (value instanceof BasicDBObject) {
                value = fixDocumentKeys(new Document((BasicDBObject) value));
            }

            if (key instanceof String) {

                String newKey = (String) key;
                if (newKey.contains(".")) {
                    newKey = newKey.replace('.', ',');
                }

                sanitized.put(newKey, value);
            } else {
                sanitized.put(ObjectUtils.nullSafeToString(key).replace('.', ','), value);
            }
        }

        return sanitized;
    }

    private static String extractClass(String source) {

        String tmp = source.substring(0, source.lastIndexOf('.'));
        return tmp.substring(tmp.lastIndexOf(".") + 1);
    }

    private static String extractBenchmarkName(String source) {
        return source.substring(source.lastIndexOf(".") + 1);
    }

}