/**
* This file Copyright (c) 2011-2012 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.cms.security;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import info.magnolia.context.MgnlContext;
import info.magnolia.context.MgnlContext.Op;
/**
* Operation requiring session access. Session is available and guaranteed valid throughout the whole op execution time.
* @author had
* @version $Id: $
* @param <R>
*/
public abstract class JCRSessionOp<R> implements Op<R, RepositoryException> {
private static final Logger log = LoggerFactory.getLogger(JCRSessionOp.class);
private final String repository;
public JCRSessionOp(String repository) {
this.repository = repository;
}
@Override
public R exec() throws RepositoryException {
Session session = null;
try {
session = MgnlContext.getJCRSession(repository);
} catch (RepositoryException e) {
log.error("failed to retrieve repository " + repository + " with " + e.getMessage(), e);
}
return exec(session);
}
public abstract R exec(Session session) throws RepositoryException;
}