de.uzk.hki.da.core.RepairWorker.java Source code

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Here is the source code for de.uzk.hki.da.core.RepairWorker.java

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/*
  DA-NRW Software Suite | ContentBroker
  Copyright (C) 2015 LVR  InfoKom
    
  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
    
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
    
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package de.uzk.hki.da.core;

import org.hibernate.Session;
import org.slf4j.MDC;

import de.uzk.hki.da.grid.GridFacade;
import de.uzk.hki.da.model.Node;
import de.uzk.hki.da.model.Object;
import de.uzk.hki.da.model.PreservationSystem;
import de.uzk.hki.da.service.HibernateUtil;

/**
 * Scans the Integrity of AIP Files stored in the Grid.
 * Try to repair corrupted packages from replications 
 * 
 * @author Josef Hammer
 *
 */
public class RepairWorker extends Worker {

    private String localNodeId;
    private String zoneName;
    private String replDestinations;

    /** The irods grid connector. */
    private GridFacade gridFacade;

    private RepairService repairService;

    public void init() {
        Node node = new Node();
        PreservationSystem pSystem;

        node.setId(Integer.parseInt(localNodeId));
        pSystem = new PreservationSystem();
        pSystem.setId(1);

        Session session = HibernateUtil.openSession();
        session.refresh(pSystem);
        session.refresh(node);
        session.close();

        this.repairService = new RepairService(pSystem, node, this.zoneName, this.replDestinations);
    }

    @Override
    public void setMDC() {
        MDC.put(WORKER_ID, "repair");
    }

    @Override
    public void scheduleTaskImplementation() {
        try {

            Object object = this.repairService.fetchObjectForAudit();
            if (object == null) {
                logger.debug("Found no object to audit.");
                return;
            }

            if (repairService.estimateChecksumms(object)) {
                logger.debug("checked OK : " + object.getIdentifier());
            }

            this.repairService.unlockObject(object);

        } catch (Exception e) {
            logger.error("Error in repairWorker schedule Task " + e.getMessage(), e);
        }
    }

    /**
     * Gets the irods grid connector.
     *
     * @return the irods grid connector
     */
    public GridFacade getGridFacade() {
        return gridFacade;
    }

    /**
     * Sets the irods grid connector.
     *
     * @param gridFacade the new irods grid connector
     */
    public void setGridFacade(GridFacade gridFacade) {
        this.gridFacade = gridFacade;
    }

    public String getLocalNodeId() {
        return localNodeId;
    }

    public void setLocalNodeId(String localNodeId) {
        this.localNodeId = localNodeId;
    }

    public RepairService getRepairService() {
        return this.repairService;
    }

    public void setRepairService(RepairService is) {
        this.repairService = is;
    }

    public String getZoneName() {
        return zoneName;
    }

    public void setZoneName(String zoneName) {
        this.zoneName = zoneName;
    }

    public String getReplDestinations() {
        return replDestinations;
    }

    public void setReplDestinations(String replDestinations) {
        this.replDestinations = replDestinations;
    }

}