org.culturegraph.mf.mongodb.common.SimpleMongoDBConnection.java Source code

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Here is the source code for org.culturegraph.mf.mongodb.common.SimpleMongoDBConnection.java

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/*
 *  Copyright 2013, 2014 Deutsche Nationalbibliothek
 *
 *  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.culturegraph.mf.mongodb.common;

import java.net.UnknownHostException;

import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBCursor;
import com.mongodb.DBObject;
import com.mongodb.MongoClient;
import com.mongodb.MongoClientURI;

/**
 * Setups the MongoDB connection.
 * 
 * @author Thomas Seidel
 * 
 */
public class SimpleMongoDBConnection implements MongoDBConnection {

    private final MongoClient mongoClient;
    private final DBCollection dbCollection;

    /**
     * @param uri
     *            monogdb://user:pass@host:port/database.collection?options...
     * @see MongoClientURI
     */
    public SimpleMongoDBConnection(final String uri) throws UnknownHostException {
        final MongoClientURI mongoClientUri = new MongoClientURI(uri);
        mongoClient = new MongoClient(mongoClientUri);
        final DB db = mongoClient.getDB(mongoClientUri.getDatabase());
        dbCollection = db.getCollection(mongoClientUri.getCollection());
    }

    @Override
    public final DBCursor find(final DBObject dbObject) {
        return dbCollection.find(dbObject);
    }

    @Override
    public final void save(final DBObject dbObject) {
        dbCollection.save(dbObject);
    }

    @Override
    public final void close() {
        mongoClient.close();
    }
}