org.apache.tapestry5.internal.mongodb.MongoDBSourceImpl.java Source code

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Here is the source code for org.apache.tapestry5.internal.mongodb.MongoDBSourceImpl.java

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// Copyright 2013 The Apache Software Foundation
//
// 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.apache.tapestry5.internal.mongodb;

import com.mongodb.*;
import org.apache.tapestry5.ioc.annotations.Symbol;
import org.apache.tapestry5.mongodb.MongoDBSource;
import org.apache.tapestry5.mongodb.MongoDBSymbols;
import org.slf4j.Logger;

import java.net.UnknownHostException;
import java.util.List;

/**
 * Default implementation for {@link org.apache.tapestry5.mongodb.MongoDBSource}
 */
public class MongoDBSourceImpl implements MongoDBSource {
    private final Logger logger;

    private final MongoClient mongoClient;

    public MongoDBSourceImpl(Logger logger, @Symbol(MongoDBSymbols.CONNECTIONS_PER_HOSTS) int connectionPerHost,
            @Symbol(MongoDBSymbols.READ_PREFERENCE) ReadPreference readPreference,
            @Symbol(MongoDBSymbols.WRITE_CONCERN) WriteConcern writeConcern, List<ServerAddress> serverAddresses) {
        this.logger = logger;

        MongoClientOptions options = new MongoClientOptions.Builder().connectionsPerHost(connectionPerHost)
                .writeConcern(writeConcern).readPreference(readPreference).build();

        if (serverAddresses.isEmpty()) {
            try {
                mongoClient = new MongoClient(new ServerAddress(), options);
            } catch (UnknownHostException uhe) {
                throw new RuntimeException(uhe);
            }
        } else {
            mongoClient = new MongoClient(serverAddresses, options);
        }
    }

    public MongoClient getMongo() {
        return this.mongoClient;
    }
}