org.syncope.core.persistence.dao.impl.ResourceDAOImpl.java Source code

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Here is the source code for org.syncope.core.persistence.dao.impl.ResourceDAOImpl.java

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/*
 * 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.syncope.core.persistence.dao.impl;

import java.util.List;
import javassist.NotFoundException;
import javax.persistence.NoResultException;
import javax.persistence.Query;
import javax.persistence.TypedQuery;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;
import org.syncope.core.init.ConnInstanceLoader;
import org.syncope.core.persistence.beans.ExternalResource;
import org.syncope.core.persistence.beans.PropagationTask;
import org.syncope.core.persistence.beans.SchemaMapping;
import org.syncope.core.persistence.beans.SyncTask;
import org.syncope.core.persistence.beans.role.SyncopeRole;
import org.syncope.core.persistence.beans.user.SyncopeUser;
import org.syncope.core.persistence.dao.ResourceDAO;
import org.syncope.core.persistence.dao.RoleDAO;
import org.syncope.core.persistence.dao.TaskDAO;
import org.syncope.core.persistence.dao.UserDAO;
import org.syncope.types.IntMappingType;

@Repository
public class ResourceDAOImpl extends AbstractDAOImpl implements ResourceDAO {

    @Autowired
    private TaskDAO taskDAO;

    @Autowired
    private UserDAO userDAO;

    @Autowired
    private RoleDAO roleDAO;

    @Autowired
    private ConnInstanceLoader connInstanceLoader;

    @Override
    public ExternalResource find(final String name) {
        TypedQuery<ExternalResource> query = entityManager.createQuery(
                "SELECT e " + "FROM " + ExternalResource.class.getSimpleName() + " e " + "WHERE e.name = :name",
                ExternalResource.class);
        query.setParameter("name", name);

        ExternalResource result = null;
        try {
            result = query.getSingleResult();
        } catch (NoResultException e) {
        }

        return result;
    }

    @Override
    public List<ExternalResource> findAll() {
        Query query = entityManager
                .createQuery("SELECT e " + "FROM  " + ExternalResource.class.getSimpleName() + " e");
        return query.getResultList();
    }

    @Override
    public List<ExternalResource> findAllByPriority() {
        Query query = entityManager.createQuery("SELECT e " + "FROM  " + ExternalResource.class.getSimpleName()
                + " e " + "ORDER BY e.propagationPriority");
        return query.getResultList();
    }

    /**
     * This method has an explicit @Transactional annotation because it is
     * called by SyncJob.
     *
     * @see org.syncope.core.scheduling.SyncJob
     *
     * @param resource entity to be merged
     * @return the same entity, updated
     */
    @Override
    @Transactional(rollbackFor = { Throwable.class })
    public ExternalResource save(final ExternalResource resource) {
        ExternalResource merged = entityManager.merge(resource);
        try {
            connInstanceLoader.registerConnector(merged);
        } catch (NotFoundException e) {
            LOG.error("While registering connector for resource", e);
        }
        return merged;
    }

    @Override
    public List<SchemaMapping> findAllMappings() {
        Query query = entityManager.createQuery("SELECT e FROM " + SchemaMapping.class.getSimpleName() + " e");

        return query.getResultList();
    }

    @Override
    public SchemaMapping getMappingForAccountId(final String resourceName) {

        Query query = entityManager.createQuery("SELECT m FROM " + SchemaMapping.class.getSimpleName() + " m "
                + "WHERE m.resource.name=:resourceName " + "AND m.accountid = 1");
        query.setParameter("resourceName", resourceName);

        return (SchemaMapping) query.getSingleResult();
    }

    @Override
    public void deleteMappings(final String intAttrName, final IntMappingType intMappingType) {

        if (intMappingType == IntMappingType.SyncopeUserId || intMappingType == IntMappingType.Password
                || intMappingType == IntMappingType.Username) {

            return;
        }

        Query query = entityManager.createQuery("DELETE FROM " + SchemaMapping.class.getSimpleName()
                + " m WHERE m.intAttrName=:intAttrName " + "AND m.intMappingType=:intMappingType");
        query.setParameter("intAttrName", intAttrName);
        query.setParameter("intMappingType", intMappingType);

        int items = query.executeUpdate();
        LOG.debug("Removed {} schema mappings", items);

        // Make empty SchemaMapping query cache
        entityManager.getEntityManagerFactory().getCache().evict(SchemaMapping.class);
    }

    @Override
    public void delete(final String name) {
        ExternalResource resource = find(name);
        if (resource == null) {
            return;
        }

        taskDAO.deleteAll(resource, PropagationTask.class);
        taskDAO.deleteAll(resource, SyncTask.class);

        for (SyncopeUser user : userDAO.findByResource(resource)) {
            user.removeResource(resource);
        }
        for (SyncopeRole role : roleDAO.findByResource(resource)) {
            role.removeResource(resource);
        }

        if (resource.getConnector() != null && resource.getConnector().getResources() != null
                && !resource.getConnector().getResources().isEmpty()) {

            resource.getConnector().getResources().remove(resource);
        }
        resource.setConnector(null);

        entityManager.remove(resource);
    }
}