ProjectUserResource.java

/**
 *
 * 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.airavata.registry.core.experiment.catalog.resources;

import org.apache.airavata.registry.core.experiment.catalog.ExpCatResourceUtils;
import org.apache.airavata.registry.core.experiment.catalog.ExperimentCatResource;
import org.apache.airavata.registry.core.experiment.catalog.ResourceType;
import org.apache.airavata.registry.core.experiment.catalog.model.*;
import org.apache.airavata.registry.cpi.RegistryException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.persistence.EntityManager;
import java.util.List;

public class ProjectUserResource extends AbstractExpCatResource {
    private String projectId;
    private String userName;

    private static final Logger logger = LoggerFactory.getLogger(ProjectUserResource.class);

    public String getProjectId() {
        return projectId;
    }

    public void setProjectId(String projectId) {
        this.projectId = projectId;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    
    public ExperimentCatResource create(ResourceType type) throws RegistryException {
        logger.error("Unsupported resource type for project resource data resource.", new UnsupportedOperationException());
        throw new UnsupportedOperationException();
    }

    
    public void remove(ResourceType type, Object name) throws RegistryException{
        logger.error("Unsupported resource type for project resource data resource.", new UnsupportedOperationException());
        throw new UnsupportedOperationException();
    }

    
    public ExperimentCatResource get(ResourceType type, Object name) throws RegistryException{
        logger.error("Unsupported resource type for project resource data resource.", new UnsupportedOperationException());
        throw new UnsupportedOperationException();
    }

    
    public List<ExperimentCatResource> get(ResourceType type) throws RegistryException{
        logger.error("Unsupported resource type for project resource data resource.", new UnsupportedOperationException());
        throw new UnsupportedOperationException();
    }

    
    public void save() throws RegistryException{
        EntityManager em = null;
        try {
            em = ExpCatResourceUtils.getEntityManager();
            ProjectUserPK projectUserPK = new ProjectUserPK();
            projectUserPK.setProjectId(projectId);
            projectUserPK.setUserName(userName);
            ProjectUser existingPrUser = em.find(ProjectUser.class, projectUserPK);
            em.close();

            em = ExpCatResourceUtils.getEntityManager();
            em.getTransaction().begin();
            ProjectUser prUser = new ProjectUser();
            prUser.setProjectId(projectId);
            prUser.setUserName(userName);
            Project project = em.find(Project.class, projectId);
            prUser.setProject(project);

            if (existingPrUser != null) {
                existingPrUser.setProjectId(projectId);
                existingPrUser.setUserName(userName);
                existingPrUser.setProject(project);
                em.merge(existingPrUser);
            } else {
                em.persist(prUser);
            }

            em.getTransaction().commit();
            em.close();
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
            throw new RegistryException(e);
        } finally {
            if (em != null && em.isOpen()) {
                if (em.getTransaction().isActive()){
                    em.getTransaction().rollback();
                }
                em.close();
            }
        }
    }
}