/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.jackrabbit.oak.jcr;
import java.lang.ref.WeakReference;
import java.util.Properties;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import com.mongodb.BasicDBObject;
import org.apache.jackrabbit.oak.kernel.KernelNodeStore;
import org.apache.jackrabbit.oak.plugins.document.DocumentMK;
import org.apache.jackrabbit.oak.plugins.document.util.MongoConnection;
import org.apache.jackrabbit.oak.query.QueryEngineSettings;
/**
* A repository stub implementation for Oak on DocumentMK
*/
public class OakMongoMKRepositoryStub extends OakRepositoryStub {
protected static final String HOST =
System.getProperty("mongo.host", "127.0.0.1");
protected static final int PORT =
Integer.getInteger("mongo.port", 27017);
protected static final String DB =
System.getProperty("mongo.db", "MongoMKDB");
private final MongoConnection connection;
private final Repository repository;
/**
* Constructor as required by the JCR TCK.
*
* @param settings repository settings
* @throws javax.jcr.RepositoryException If an error occurs.
*/
public OakMongoMKRepositoryStub(Properties settings) throws RepositoryException {
super(settings);
Session session = null;
try {
this.connection = new MongoConnection(HOST, PORT, DB);
this.repository = createRepository(connection);
session = getRepository().login(superuser);
TestContentLoader loader = new TestContentLoader();
loader.loadTestContent(session);
} catch (Exception e) {
throw new RepositoryException(e);
} finally {
if (session != null) {
session.logout();
}
}
Runtime.getRuntime().addShutdownHook(
new Thread(new ShutdownHook(connection)));
}
protected Repository createRepository(MongoConnection connection) {
DocumentMK m = new DocumentMK.Builder()
.setClusterId(1)
.memoryCacheSize(64 * 1024 * 1024)
.setMongoDB(connection.getDB())
.open();
QueryEngineSettings qs = new QueryEngineSettings();
qs.setFullTextComparisonWithoutIndex(true);
return new Jcr(new KernelNodeStore(m)).with(qs).createRepository();
}
/**
* A shutdown hook that closed the MongoDB connection if needed.
*/
private static class ShutdownHook implements Runnable {
private final WeakReference<MongoConnection> reference;
public ShutdownHook(MongoConnection connection) {
this.reference = new WeakReference<MongoConnection>(connection);
}
@Override
public void run() {
MongoConnection connection = reference.get();
if (connection != null) {
connection.close();
}
}
}
public static boolean isMongoDBAvailable() {
MongoConnection connection = null;
try {
connection = createConnection(DB);
return true;
} catch (Exception e) {
return false;
} finally {
if (connection != null) {
connection.close();
}
}
}
static MongoConnection createConnection(String db) throws Exception {
boolean success = false;
MongoConnection con = new MongoConnection(HOST, PORT, db);
try {
con.getDB().command(new BasicDBObject("ping", 1));
success = true;
} finally {
if (!success) {
con.close();
}
}
return con;
}
/**
* Returns the configured repository instance.
*
* @return the configured repository instance.
*/
@Override
public synchronized Repository getRepository() {
return repository;
}
}