com.ewerk.prototype.persistence.PersistenceConfiguration.java Source code

Introduction

Here is the source code for com.ewerk.prototype.persistence.PersistenceConfiguration.java

Source

/*
 * Copyright 2012-2013 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 com.ewerk.prototype.persistence;

import com.ewerk.prototype.persistence.converters.DateToLocalDateConverter;
import com.ewerk.prototype.persistence.converters.LocalDateToDateConverter;
import com.google.common.collect.Lists;
import com.mongodb.MongoClientOptions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.convert.converter.Converter;
import org.springframework.data.mongodb.core.convert.CustomConversions;
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;

import java.io.Serializable;
import java.util.ArrayList;

/**
 * This configuration class is used to setup the connection to the MongoDB instance. Here we should
 * provide all the beans necessary for the persistence layer or for customizing the mongo setup.
 *
 * @author holgerstolzenberg
 * @see org.springframework.context.annotation.Configuration
 * @see org.springframework.data.mongodb.repository.config.EnableMongoRepositories
 * @see org.springframework.transaction.annotation.EnableTransactionManagement
 * @since 0.0.2
 */
@Configuration
@EnableMongoRepositories
public class PersistenceConfiguration {

    private static final Logger LOG = LoggerFactory.getLogger(LoggerFactory.class);

    @Bean
    public CustomConversions customConversions() {
        final ArrayList<? extends Converter<? extends Serializable, ? extends Serializable>> converters = Lists
                .newArrayList(new DateToLocalDateConverter(), new LocalDateToDateConverter());
        LOG.info("Register converters: " + converters);
        return new CustomConversions(converters);
    }

    /**
     * Customize the MongoDB client connection properties.
     *
     * @return A {@link MongoClientOptions} bean that is used by the {@link
     * org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration} when creating the {@link
     * com.mongodb.Mongo} facade
     * @see com.mongodb.MongoClientOptions
     * @see org.springframework.core.env.Environment
     */
    @Bean
    public MongoClientOptions mongoClientOptions(
            @Value("${spring.data.mongodb.min-connections:2}") final int minConnections,
            @Value("${spring.data.mongodb.max-connections:10}") final int maxConnections,
            @Value("${spring.data.mongodb.socket-connect.ms:5000}") final int connectTimeout,
            @Value("${spring.data.mongodb.socket-timeout.ms:5000}") final int socketTimeout) {

        return MongoClientOptions.builder().legacyDefaults().minConnectionsPerHost(minConnections)
                .connectionsPerHost(maxConnections).connectTimeout(connectTimeout).socketTimeout(socketTimeout)
                .build();
    }
}