ch.systemsx.cisd.openbis.generic.server.dataaccess.db.AuthorizationGroupDAO.java Source code

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Here is the source code for ch.systemsx.cisd.openbis.generic.server.dataaccess.db.AuthorizationGroupDAO.java

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/*
 * Copyright 2008 ETH Zuerich, CISD
 *
 * 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 ch.systemsx.cisd.openbis.generic.server.dataaccess.db;

import java.util.List;

import org.apache.log4j.Logger;
import org.hibernate.Criteria;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Restrictions;
import org.springframework.orm.hibernate3.HibernateTemplate;

import ch.systemsx.cisd.common.logging.LogCategory;
import ch.systemsx.cisd.common.logging.LogFactory;
import ch.systemsx.cisd.common.utilities.MethodUtils;
import ch.systemsx.cisd.openbis.generic.server.dataaccess.IAuthorizationGroupDAO;
import ch.systemsx.cisd.openbis.generic.shared.dto.AuthorizationGroupPE;
import ch.systemsx.cisd.openbis.generic.shared.dto.CodeConverter;
import ch.systemsx.cisd.openbis.generic.shared.dto.DatabaseInstancePE;

/**
 * Implementation of {@link IAuthorizationGroupDAO}.
 * 
 * @author Izabela Adamczyk
 */
public class AuthorizationGroupDAO extends AbstractGenericEntityDAO<AuthorizationGroupPE>
        implements IAuthorizationGroupDAO {
    private static final Logger operationLog = LogFactory.getLogger(LogCategory.OPERATION,
            AuthorizationGroupDAO.class);

    protected AuthorizationGroupDAO(final SessionFactory sessionFactory,
            final DatabaseInstancePE databaseInstance) {
        super(sessionFactory, databaseInstance, AuthorizationGroupPE.class);
    }

    public List<AuthorizationGroupPE> list() {
        final List<AuthorizationGroupPE> list = cast(getHibernateTemplate().loadAll(AuthorizationGroupPE.class));
        if (operationLog.isDebugEnabled()) {
            operationLog.debug(String.format("%s(): %d authorization group(s) have been found.",
                    MethodUtils.getCurrentMethod().getName(), list.size()));
        }
        return list;
    }

    public void create(AuthorizationGroupPE authorizationGroup) {
        assert authorizationGroup != null : "Missing authorization group.";
        validatePE(authorizationGroup);

        authorizationGroup.setCode(CodeConverter.tryToDatabase(authorizationGroup.getCode()));
        final HibernateTemplate template = getHibernateTemplate();
        template.saveOrUpdate(authorizationGroup);
        template.flush();
        if (operationLog.isInfoEnabled()) {
            operationLog.info(String.format("SAVE: authorization group '%s'.", authorizationGroup));
        }
    }

    public AuthorizationGroupPE tryFindByCode(String code) {
        final Criteria criteria = getSession().createCriteria(AuthorizationGroupPE.class);
        criteria.add(Restrictions.eq("code", CodeConverter.tryToDatabase(code)));
        criteria.add(Restrictions.eq("databaseInstance", getDatabaseInstance()));
        return (AuthorizationGroupPE) criteria.uniqueResult();
    }

}