TaskStatusResource.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.TaskStatus;
import org.apache.airavata.registry.core.experiment.catalog.model.TaskStatusPK;
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 TaskStatusResource extends AbstractExpCatResource {
    private static final Logger logger = LoggerFactory.getLogger(TaskStatusResource.class);
    private String statusId;
    private String taskId;
    private String state;
    private Timestamp timeOfStateChange;
    private String reason;

    public String getStatusId() {
        return statusId;
    }

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

    public String getTaskId() {
        return taskId;
    }

    public void setTaskId(String taskId) {
        this.taskId = taskId;
    }

    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 task status data resource.", new UnsupportedOperationException());
        throw new UnsupportedOperationException();
    }

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

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

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

    
    public void save() throws RegistryException{
        EntityManager em = null;
        try {
            em = ExpCatResourceUtils.getEntityManager();
            TaskStatus taskStatus;
            if(taskId == null || statusId == null){
                throw new RegistryException("Does not have the task id or status id");
            }
            TaskStatusPK taskStatusPK = new TaskStatusPK();
            taskStatusPK.setTaskId(taskId);
            taskStatusPK.setStatusId(statusId);
            TaskStatus existingStatus = em.find(TaskStatus.class, taskStatusPK);
            if (em.isOpen()) {
                if (em.getTransaction().isActive()){
                    em.getTransaction().rollback();
                }
                em.close();
            }

            em = ExpCatResourceUtils.getEntityManager();
            em.getTransaction().begin();
            if(existingStatus == null){
                taskStatus = new TaskStatus();
            }else {
                taskStatus = existingStatus;
            }
            taskStatus.setStatusId(statusId);
            taskStatus.setTaskId(taskId);
            taskStatus.setState(state);
            taskStatus.setReason(reason);
            taskStatus.setTimeOfStateChange(timeOfStateChange);
            if (existingStatus == null){
                em.persist(taskStatus);
            }else {
                em.merge(taskStatus);
            }
            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();
            }
        }
    }
}