/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* JBoss, Home of Professional Open Source
* Copyright 2013-2014 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @authors tag. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.hibernate.ogm.datastore.couchdb.impl;
import java.util.Map;
import org.hibernate.ogm.datastore.couchdb.CouchDBDialect;
import org.hibernate.ogm.datastore.couchdb.dialect.backend.impl.CouchDBDatastore;
import org.hibernate.ogm.datastore.couchdb.logging.impl.Log;
import org.hibernate.ogm.datastore.couchdb.logging.impl.LoggerFactory;
import org.hibernate.ogm.datastore.couchdb.util.impl.DatabaseIdentifier;
import org.hibernate.ogm.datastore.spi.DatastoreProvider;
import org.hibernate.ogm.dialect.GridDialect;
import org.hibernate.ogm.service.impl.LuceneBasedQueryParserService;
import org.hibernate.ogm.service.impl.QueryParserService;
import org.hibernate.ogm.util.configurationreader.impl.ConfigurationPropertyReader;
import org.hibernate.service.spi.Configurable;
import org.hibernate.service.spi.ServiceRegistryAwareService;
import org.hibernate.service.spi.ServiceRegistryImplementor;
import org.hibernate.service.spi.Startable;
import org.hibernate.service.spi.Stoppable;
/**
* Creates a fully configured instance of {@link CouchDBDatastore}
*
* @author Andrea Boriero <dreborier@gmail.com/>
* @author Gunnar Morling
*/
public class CouchDBDatastoreProvider implements DatastoreProvider, Startable, Stoppable, ServiceRegistryAwareService, Configurable {
private static final Log logger = LoggerFactory.getLogger();
private CouchDBDatastore datastore;
private CouchDBConfiguration configuration;
public CouchDBDatastoreProvider() {
}
@Override
public void configure(Map configurationValues) {
configuration = new CouchDBConfiguration( new ConfigurationPropertyReader( configurationValues ) );
}
@Override
public void injectServices(ServiceRegistryImplementor serviceRegistry) {
}
@Override
public void stop() {
if ( datastore != null ) {
datastore.shutDown();
datastore = null;
}
}
@Override
public void start() {
if ( isDatastoreNotInitialized() ) {
datastore = CouchDBDatastore.newInstance( getDatabase(), configuration.isCreateDatabase() );
}
}
@Override
public Class<? extends GridDialect> getDefaultDialect() {
return CouchDBDialect.class;
}
@Override
public Class<? extends QueryParserService> getDefaultQueryParserServiceType() {
return LuceneBasedQueryParserService.class;
}
/**
* Provides an instance of CouchDBDatastore
*
* @return an instance of CouchDBDatastore
*/
public CouchDBDatastore getDataStore() {
return datastore;
}
private boolean isDatastoreNotInitialized() {
return datastore == null;
}
private DatabaseIdentifier getDatabase() {
try {
return new DatabaseIdentifier(
configuration.getHost(),
configuration.getPort(),
configuration.getDatabaseName(),
configuration.getUsername(),
configuration.getPassword()
);
}
catch (Exception e) {
throw logger.malformedDataBaseUrl(
e, configuration.getHost(), configuration.getPort(), configuration.getDatabaseName()
);
}
}
}