ProcessStatusResource.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.common.utils.AiravataUtils;
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.ProcessStatus;
import org.apache.airavata.registry.core.experiment.catalog.model.ProcessStatusPK;
import org.apache.airavata.registry.cpi.RegistryException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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

public class ProcessStatusResource extends AbstractExpCatResource {
    private static final Logger logger = LoggerFactory.getLogger(ProcessStatusResource.class);
    private String statusId;
    private String processId;
    private String state;
    private Timestamp timeOfStateChange;
    private String reason;

    public String getStatusId() {
        return statusId;
    }

    public void setStatusId(String statusId) {
        this.statusId = statusId;
    }

    public String getProcessId() {
        return processId;
    }

    public void setProcessId(String processId) {
        this.processId = processId;
    }

    public String getState() {
        return state;
    }

    public void setState(String state) {
        this.state = state;
    }

    public Timestamp getTimeOfStateChange() {
        return timeOfStateChange;
    }

    public void setTimeOfStateChange(Timestamp timeOfStateChange) {
        this.timeOfStateChange = timeOfStateChange;
    }

    public String getReason() {
        return reason;
    }

    public void setReason(String reason) {
        this.reason = reason;
    }

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

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

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

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

    
    public void save() throws RegistryException{
        EntityManager em = null;
        try {
            if(processId == null || statusId == null){
                throw new RegistryException("Does not have the process id or status id");
            }
            em = ExpCatResourceUtils.getEntityManager();
            ProcessStatus processStatus;
            ProcessStatusPK processStatusPK = new ProcessStatusPK();
            processStatusPK.setStatusId(statusId);
            processStatusPK.setProcessId(processId);
            ProcessStatus existingStatus = em.find(ProcessStatus.class, processStatusPK);
            if (em.isOpen()) {
                if (em.getTransaction().isActive()){
                    em.getTransaction().rollback();
                }
                em.close();
            }

            em = ExpCatResourceUtils.getEntityManager();
            em.getTransaction().begin();
            if(existingStatus == null){
                processStatus = new ProcessStatus();
            }else {
                processStatus = existingStatus;
            }
            processStatus.setStatusId(statusId);
            processStatus.setProcessId(processId);
            processStatus.setState(state);
            processStatus.setReason(reason);
            if (timeOfStateChange == null){
                timeOfStateChange = AiravataUtils.getCurrentTimestamp();
            }
            processStatus.setTimeOfStateChange(timeOfStateChange);
            if (existingStatus == null){
                em.persist(processStatus);
            }else {
                em.merge(processStatus);
            }
            em.getTransaction().commit();
            if (em.isOpen()) {
                if (em.getTransaction().isActive()){
                    em.getTransaction().rollback();
                }
                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();
            }
        }
    }
}