com.avanza.ymer.MirrorEnvironment.java Source code

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/*
 * Copyright 2015 Avanza Bank AB
 *
 * 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.avanza.ymer;

import org.springframework.context.ApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.SimpleMongoDbFactory;

import com.github.fakemongo.Fongo;
import com.mongodb.BasicDBObjectBuilder;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;

/**
 *
 * @author Elias Lindholm (elilin)
 *
 */
public class MirrorEnvironment {

    public static final String TEST_MIRROR_DB_NAME = "mirror_test_db";

    private final Fongo mongoServer = new Fongo(MirrorEnvironment.class.getSimpleName());

    public MongoTemplate getMongoTemplate() {
        SimpleMongoDbFactory simpleMongoDbFactory = new SimpleMongoDbFactory(mongoServer.getMongo(),
                TEST_MIRROR_DB_NAME);
        return new MongoTemplate(simpleMongoDbFactory);
    }

    private DB getMongoDb() {
        return this.mongoServer.getMongo().getDB(TEST_MIRROR_DB_NAME);
    }

    public void dropAllMongoCollections() {
        getMongoDb().getCollectionNames().forEach(this::dropCollection);
    }

    private void dropCollection(String collectionName) {
        getMongoDb().getCollection(collectionName).drop();
    }

    public ApplicationContext getMongoClientContext() {
        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
        context.getBeanFactory().registerSingleton("mongoDbFactory",
                new SimpleMongoDbFactory(mongoServer.getMongo(), TEST_MIRROR_DB_NAME));
        context.refresh();
        return context;
    }

    public void removeFormatVersion(Class<?> dataType, Object id) {
        String collectionName = dataType.getSimpleName().substring(0, 1).toLowerCase()
                + dataType.getSimpleName().substring(1);
        DBCollection collection = getMongoDb().getCollection(collectionName);
        DBObject idQuery = BasicDBObjectBuilder.start("_id", id).get();
        DBCursor cursor = collection.find(idQuery);

        cursor.next();
        DBObject obj = cursor.curr();
        cursor.close();

        obj.removeField("_formatVersion");
        collection.update(idQuery, obj);
    }

}