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/**
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* '$RCSfile$'
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* Copyright: 2000-2011 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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*
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* '$Author: $'
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* '$Date: $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.dataone;
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import java.io.InputStream;
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import java.math.BigInteger;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.List;
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import java.util.Set;
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import java.util.concurrent.locks.Lock;
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import javax.servlet.http.HttpServletRequest;
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import org.apache.log4j.Logger;
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import org.dataone.client.CNode;
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import org.dataone.client.D1Client;
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import org.dataone.service.cn.v1.CNAuthorization;
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import org.dataone.service.cn.v1.CNCore;
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import org.dataone.service.cn.v1.CNRead;
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import org.dataone.service.cn.v1.CNReplication;
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import org.dataone.service.exceptions.BaseException;
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import org.dataone.service.exceptions.IdentifierNotUnique;
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import org.dataone.service.exceptions.InsufficientResources;
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import org.dataone.service.exceptions.InvalidRequest;
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import org.dataone.service.exceptions.InvalidSystemMetadata;
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import org.dataone.service.exceptions.InvalidToken;
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import org.dataone.service.exceptions.NotAuthorized;
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import org.dataone.service.exceptions.NotFound;
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import org.dataone.service.exceptions.NotImplemented;
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import org.dataone.service.exceptions.ServiceFailure;
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import org.dataone.service.exceptions.UnsupportedType;
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import org.dataone.service.exceptions.VersionMismatch;
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import org.dataone.service.types.v1.AccessPolicy;
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import org.dataone.service.types.v1.Checksum;
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import org.dataone.service.types.v1.ChecksumAlgorithmList;
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import org.dataone.service.types.v1.Identifier;
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import org.dataone.service.types.v1.Node;
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import org.dataone.service.types.v1.NodeList;
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import org.dataone.service.types.v1.NodeReference;
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import org.dataone.service.types.v1.NodeType;
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import org.dataone.service.types.v1.ObjectFormat;
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import org.dataone.service.types.v1.ObjectFormatIdentifier;
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import org.dataone.service.types.v1.ObjectFormatList;
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import org.dataone.service.types.v1.ObjectList;
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import org.dataone.service.types.v1.ObjectLocationList;
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import org.dataone.service.types.v1.Permission;
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import org.dataone.service.types.v1.Replica;
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import org.dataone.service.types.v1.ReplicationPolicy;
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import org.dataone.service.types.v1.ReplicationStatus;
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import org.dataone.service.types.v1.Session;
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import org.dataone.service.types.v1.Subject;
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import org.dataone.service.types.v1.SystemMetadata;
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import edu.ucsb.nceas.metacat.EventLog;
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import edu.ucsb.nceas.metacat.IdentifierManager;
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import edu.ucsb.nceas.metacat.dataone.hazelcast.HazelcastService;
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/**
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* Represents Metacat's implementation of the DataONE Coordinating Node
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* service API. Methods implement the various CN* interfaces, and methods common
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* to both Member Node and Coordinating Node interfaces are found in the
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* D1NodeService super class.
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*
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*/
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public class CNodeService extends D1NodeService implements CNAuthorization,
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CNCore, CNRead, CNReplication {
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/* the logger instance */
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private Logger logMetacat = null;
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/**
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* singleton accessor
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*/
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public static CNodeService getInstance(HttpServletRequest request) {
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return new CNodeService(request);
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}
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/**
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* Constructor, private for singleton access
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*/
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private CNodeService(HttpServletRequest request) {
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super(request);
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logMetacat = Logger.getLogger(CNodeService.class);
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}
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/**
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* Set the replication policy for an object given the object identifier
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*
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* @param session - the Session object containing the credentials for the Subject
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* @param pid - the object identifier for the given object
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* @param policy - the replication policy to be applied
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*
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* @return true or false
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*
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws ServiceFailure
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* @throws InvalidRequest
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* @throws VersionMismatch
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*
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*/
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@Override
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public boolean setReplicationPolicy(Session session, Identifier pid,
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ReplicationPolicy policy, long serialVersion)
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throws NotImplemented, NotFound, NotAuthorized, ServiceFailure,
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InvalidRequest, InvalidToken, VersionMismatch {
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// The lock to be used for this identifier
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Lock lock = null;
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// get the subject
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Subject subject = session.getSubject();
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// are we allowed to do this?
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if (!isAdminAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
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if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
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throw new NotAuthorized("4881", Permission.CHANGE_PERMISSION
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+ " not allowed by " + subject.getValue() + " on "
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+ pid.getValue());
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}
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}
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SystemMetadata systemMetadata = null;
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try {
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lock = HazelcastService.getInstance().getLock(pid.getValue());
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lock.lock();
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logMetacat.debug("Locked identifier " + pid.getValue());
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try {
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if ( HazelcastService.getInstance().getSystemMetadataMap().containsKey(pid) ) {
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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}
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// did we get it correctly?
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if ( systemMetadata == null ) {
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throw new NotFound("4884", "Couldn't find an object identified by " + pid.getValue());
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}
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// does the request have the most current system metadata?
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if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
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String msg = "The requested system metadata version number " +
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serialVersion + " differs from the current version at " +
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systemMetadata.getSerialVersion().longValue() +
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". Please get the latest copy in order to modify it.";
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throw new VersionMismatch("4886", msg);
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}
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} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
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throw new NotFound("4884", "No record found for: " + pid.getValue());
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}
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// set the new policy
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systemMetadata.setReplicationPolicy(policy);
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// update the metadata
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try {
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systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
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systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
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HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
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} catch (RuntimeException e) {
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throw new ServiceFailure("4882", e.getMessage());
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}
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} catch (RuntimeException e) {
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throw new ServiceFailure("4882", e.getMessage());
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} finally {
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lock.unlock();
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logMetacat.debug("Unlocked identifier " + pid.getValue());
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}
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return true;
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}
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/**
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* Set the replication status for an object given the object identifier
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*
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* @param session - the Session object containing the credentials for the Subject
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* @param pid - the object identifier for the given object
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* @param status - the replication status to be applied
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*
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* @return true or false
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*
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws ServiceFailure
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* @throws InvalidRequest
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* @throws InvalidToken
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* @throws NotFound
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*
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*/
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@Override
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public boolean setReplicationStatus(Session session, Identifier pid,
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NodeReference targetNode, ReplicationStatus status, BaseException failure)
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throws ServiceFailure, NotImplemented, InvalidToken, NotAuthorized,
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InvalidRequest, NotFound {
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// The lock to be used for this identifier
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Lock lock = null;
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boolean allowed = false;
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int replicaEntryIndex = -1;
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List<Replica> replicas = null;
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// get the subject
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Subject subject = session.getSubject();
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logMetacat.debug("ReplicationStatus for identifier " + pid.getValue() +
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" is " + status.toString());
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SystemMetadata systemMetadata = null;
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try {
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lock = HazelcastService.getInstance().getLock(pid.getValue());
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lock.lock();
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logMetacat.debug("Locked identifier " + pid.getValue());
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try {
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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// did we get it correctly?
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if ( systemMetadata == null ) {
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logMetacat.debug("systemMetadata is null for " + pid.getValue());
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throw new NotFound("4740", "Couldn't find an object identified by " + pid.getValue());
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}
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replicas = systemMetadata.getReplicaList();
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int count = 0;
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if ( replicas == null || replicas.size() < 1 ) {
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logMetacat.debug("No replicas to evaluate for " + pid.getValue());
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Replica newReplica = new Replica();
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newReplica.setReplicaMemberNode(targetNode);
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newReplica.setReplicationStatus(status);
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newReplica.setReplicaVerified(Calendar.getInstance().getTime());
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try {
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// if there is no replica entry, create one
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updateReplicationMetadata(session, pid, newReplica,
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systemMetadata.getSerialVersion().longValue());
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} catch (VersionMismatch e) {
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// try again if we somehow don't have the correct version
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String msg = "The serial version of the system metadata doesn't match. Trying again.";
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logMetacat.info(msg);
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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try {
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updateReplicationMetadata(session, pid, newReplica,
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systemMetadata.getSerialVersion().longValue());
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} catch (VersionMismatch e1) {
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throw new ServiceFailure("4700",
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"Couldn't get the correct serial version of the system metadata: " +
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e1.getCause().getMessage());
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}
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}
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}
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// refresh the system metadata and replica list
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systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
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replicas = systemMetadata.getReplicaList();
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// find the target replica index in the replica list
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for (Replica replica: replicas) {
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String replicaNodeStr = replica.getReplicaMemberNode().getValue();
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String targetNodeStr = targetNode.getValue();
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logMetacat.debug("Comparing " + replicaNodeStr + " to " + targetNodeStr);
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if (replicaNodeStr.equals(targetNodeStr)) {
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replicaEntryIndex = count;
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logMetacat.debug("replica entry index is: " + replicaEntryIndex);
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break;
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}
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count++;
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}
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// are we allowed to do this? only CNs and target MNs are allowed
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CNode cn = D1Client.getCN();
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List<Node> nodes = cn.listNodes().getNodeList();
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// find the node in the node list
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for ( Node node : nodes ) {
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NodeReference nodeReference = node.getIdentifier();
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logMetacat.debug("In setReplicationStatus(), Node reference is: " + nodeReference.getValue());
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// allow target MN certs and CN certs
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if (targetNode.getValue().equals(nodeReference.getValue()) ||
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node.getType() == NodeType.CN) {
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List<Subject> nodeSubjects = node.getSubjectList();
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// check if the session subject is in the node subject list
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for (Subject nodeSubject : nodeSubjects) {
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if ( nodeSubject.equals(subject) ) {
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allowed = true; // subject of session == target node subject
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break;
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329
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}
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}
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}
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}
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if ( !allowed && !isAdminAuthorized(session, pid, Permission.WRITE)) {
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String msg = "The subject identified by " + subject.getValue() +
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" does not have permission to set the replication status for " +
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"the replica identified by " + targetNode.getValue() + ".";
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logMetacat.info(msg);
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throw new NotAuthorized("4720", msg);
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341
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}
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343
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// was there a failure? log it
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if ( failure != null && status == ReplicationStatus.FAILED ) {
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String msg = "The replication request of the object identified by " +
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pid.getValue() + " failed. The error message was " +
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failure.getMessage() + ".";
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349
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}
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350
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351
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} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
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throw new NotFound("4740", "No record found for: " + pid.getValue() +
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353
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" : " + e.getMessage());
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354
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355
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}
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356
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357
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// set the status for the replica
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358
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if ( replicaEntryIndex != -1 ) {
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359
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Replica targetReplica = replicas.get(replicaEntryIndex);
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targetReplica.setReplicationStatus(status);
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361
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logMetacat.debug("Set the replication status for " +
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targetReplica.getReplicaMemberNode().getValue() + " to " +
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targetReplica.getReplicationStatus());
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364
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365
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} else {
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366
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throw new InvalidRequest("4730", "There are no replicas to update.");
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367
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368
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}
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369
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370
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systemMetadata.setReplicaList(replicas);
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371
|
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372
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// update the metadata
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373
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try {
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374
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systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
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375
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systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
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HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
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377
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378
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if ( status == ReplicationStatus.FAILED && failure != null ) {
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379
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logMetacat.warn("Replication failed for identifier " + pid.getValue() +
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380
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" on target node " + targetNode + ". The exception was: " +
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failure.getMessage());
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382
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}
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383
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} catch (RuntimeException e) {
|
384
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throw new ServiceFailure("4700", e.getMessage());
|
385
|
|
386
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}
|
387
|
|
388
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} catch (RuntimeException e) {
|
389
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String msg = "There was a RuntimeException getting the lock for " +
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390
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pid.getValue();
|
391
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logMetacat.info(msg);
|
392
|
|
393
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} finally {
|
394
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lock.unlock();
|
395
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logMetacat.debug("Unlocked identifier " + pid.getValue());
|
396
|
|
397
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}
|
398
|
|
399
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return true;
|
400
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}
|
401
|
|
402
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/**
|
403
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* Test that the specified relationship between pidOfSubject and pidOfObject exists
|
404
|
*
|
405
|
* @param session - the Session object containing the credentials for the Subject
|
406
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* @param node - the node information for the given node be modified
|
407
|
*
|
408
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* @return true if the relationship exists
|
409
|
*
|
410
|
* @throws InvalidToken
|
411
|
* @throws ServiceFailure
|
412
|
* @throws NotAuthorized
|
413
|
* @throws NotFound
|
414
|
* @throws InvalidRequest
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415
|
* @throws NotImplemented
|
416
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*/
|
417
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@Override
|
418
|
public boolean assertRelation(Session session, Identifier pidOfSubject,
|
419
|
String relationship, Identifier pidOfObject)
|
420
|
throws InvalidToken, ServiceFailure, NotAuthorized, NotFound,
|
421
|
InvalidRequest, NotImplemented {
|
422
|
|
423
|
// The lock to be used for thyis identifier
|
424
|
Lock lock = null;
|
425
|
|
426
|
boolean asserted = false;
|
427
|
|
428
|
// are we allowed to do this?
|
429
|
if (!isAuthorized(session, pidOfSubject, Permission.READ)) {
|
430
|
throw new NotAuthorized("4881", Permission.READ + " not allowed on " + pidOfSubject.getValue());
|
431
|
}
|
432
|
|
433
|
SystemMetadata systemMetadata = null;
|
434
|
try {
|
435
|
lock = HazelcastService.getInstance().getLock(pidOfSubject.getValue());
|
436
|
lock.lock();
|
437
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pidOfSubject);
|
438
|
|
439
|
|
440
|
// check relationships
|
441
|
// TODO: use ORE map
|
442
|
if (relationship.equalsIgnoreCase("describes")) {
|
443
|
|
444
|
}
|
445
|
|
446
|
if (relationship.equalsIgnoreCase("describedBy")) {
|
447
|
|
448
|
}
|
449
|
|
450
|
if (relationship.equalsIgnoreCase("derivedFrom")) {
|
451
|
|
452
|
}
|
453
|
|
454
|
if (relationship.equalsIgnoreCase("obsoletes")) {
|
455
|
Identifier pid = systemMetadata.getObsoletes();
|
456
|
if (pid.getValue().equals(pidOfObject.getValue())) {
|
457
|
asserted = true;
|
458
|
|
459
|
}
|
460
|
//return systemMetadata.getObsoleteList().contains(pidOfObject);
|
461
|
}
|
462
|
if (relationship.equalsIgnoreCase("obsoletedBy")) {
|
463
|
Identifier pid = systemMetadata.getObsoletedBy();
|
464
|
if (pid.getValue().equals(pidOfObject.getValue())) {
|
465
|
asserted = true;
|
466
|
|
467
|
}
|
468
|
//return systemMetadata.getObsoletedByList().contains(pidOfObject);
|
469
|
}
|
470
|
|
471
|
} catch (Exception e) {
|
472
|
throw new ServiceFailure("4270", "Could not assert relation for: " +
|
473
|
pidOfSubject.getValue() +
|
474
|
". The error message was: " + e.getMessage());
|
475
|
|
476
|
} finally {
|
477
|
lock.unlock();
|
478
|
logMetacat.debug("Unlocked identifier " + pidOfSubject.getValue());
|
479
|
|
480
|
}
|
481
|
|
482
|
return asserted;
|
483
|
}
|
484
|
|
485
|
/**
|
486
|
* Return the checksum of the object given the identifier
|
487
|
*
|
488
|
* @param session - the Session object containing the credentials for the Subject
|
489
|
* @param pid - the object identifier for the given object
|
490
|
*
|
491
|
* @return checksum - the checksum of the object
|
492
|
*
|
493
|
* @throws InvalidToken
|
494
|
* @throws ServiceFailure
|
495
|
* @throws NotAuthorized
|
496
|
* @throws NotFound
|
497
|
* @throws NotImplemented
|
498
|
*/
|
499
|
@Override
|
500
|
public Checksum getChecksum(Session session, Identifier pid)
|
501
|
throws InvalidToken, ServiceFailure, NotAuthorized, NotFound,
|
502
|
NotImplemented {
|
503
|
|
504
|
if (!isAuthorized(session, pid, Permission.READ)) {
|
505
|
throw new NotAuthorized("1400", Permission.READ + " not allowed on " + pid.getValue());
|
506
|
}
|
507
|
|
508
|
SystemMetadata systemMetadata = null;
|
509
|
Checksum checksum = null;
|
510
|
|
511
|
try {
|
512
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
513
|
|
514
|
if (systemMetadata == null ) {
|
515
|
throw new NotFound("1420", "Couldn't find an object identified by " + pid.getValue());
|
516
|
}
|
517
|
checksum = systemMetadata.getChecksum();
|
518
|
|
519
|
} catch (RuntimeException e) {
|
520
|
throw new ServiceFailure("1410", "An error occurred getting the checksum for " +
|
521
|
pid.getValue() + ". The error message was: " + e.getMessage());
|
522
|
|
523
|
}
|
524
|
|
525
|
return checksum;
|
526
|
}
|
527
|
|
528
|
/**
|
529
|
* Resolve the location of a given object
|
530
|
*
|
531
|
* @param session - the Session object containing the credentials for the Subject
|
532
|
* @param pid - the object identifier for the given object
|
533
|
*
|
534
|
* @return objectLocationList - the list of nodes known to contain the object
|
535
|
*
|
536
|
* @throws InvalidToken
|
537
|
* @throws ServiceFailure
|
538
|
* @throws NotAuthorized
|
539
|
* @throws NotFound
|
540
|
* @throws NotImplemented
|
541
|
*/
|
542
|
@Override
|
543
|
public ObjectLocationList resolve(Session session, Identifier pid)
|
544
|
throws InvalidToken, ServiceFailure, NotAuthorized,
|
545
|
NotFound, NotImplemented {
|
546
|
|
547
|
throw new NotImplemented("4131", "resolve not implemented");
|
548
|
|
549
|
}
|
550
|
|
551
|
/**
|
552
|
* Search the metadata catalog for identifiers that match the criteria
|
553
|
*
|
554
|
* @param session - the Session object containing the credentials for the Subject
|
555
|
* @param queryType - An identifier for the type of query expression
|
556
|
* provided in the query
|
557
|
* @param query - The criteria for matching the characteristics of the
|
558
|
* metadata objects of interest
|
559
|
*
|
560
|
* @return objectList - the list of objects matching the criteria
|
561
|
*
|
562
|
* @throws InvalidToken
|
563
|
* @throws ServiceFailure
|
564
|
* @throws NotAuthorized
|
565
|
* @throws InvalidRequest
|
566
|
* @throws NotImplemented
|
567
|
*/
|
568
|
@Override
|
569
|
public ObjectList search(Session session, String queryType, String query)
|
570
|
throws InvalidToken, ServiceFailure, NotAuthorized, InvalidRequest,
|
571
|
NotImplemented {
|
572
|
|
573
|
ObjectList objectList = null;
|
574
|
try {
|
575
|
objectList =
|
576
|
IdentifierManager.getInstance().querySystemMetadata(
|
577
|
null, //startTime,
|
578
|
null, //endTime,
|
579
|
null, //objectFormat,
|
580
|
false, //replicaStatus,
|
581
|
0, //start,
|
582
|
-1 //count
|
583
|
);
|
584
|
|
585
|
} catch (Exception e) {
|
586
|
throw new ServiceFailure("4310", "Error querying system metadata: " + e.getMessage());
|
587
|
}
|
588
|
|
589
|
return objectList;
|
590
|
|
591
|
//throw new NotImplemented("4281", "search not implemented");
|
592
|
|
593
|
// the code block below is from an older implementation
|
594
|
|
595
|
/* This block commented out because of the EcoGrid circular dependency.
|
596
|
* For now, query will not be supported until the circularity can be
|
597
|
* resolved, probably by moving the ecogrid query syntax transformers
|
598
|
* directly into the Metacat codebase. MBJ 2010-02-03
|
599
|
|
600
|
try {
|
601
|
EcogridQueryParser parser = new EcogridQueryParser(request
|
602
|
.getReader());
|
603
|
parser.parseXML();
|
604
|
QueryType queryType = parser.getEcogridQuery();
|
605
|
EcogridJavaToMetacatJavaQueryTransformer queryTransformer =
|
606
|
new EcogridJavaToMetacatJavaQueryTransformer();
|
607
|
QuerySpecification metacatQuery = queryTransformer
|
608
|
.transform(queryType);
|
609
|
|
610
|
DBQuery metacat = new DBQuery();
|
611
|
|
612
|
boolean useXMLIndex = (new Boolean(PropertyService
|
613
|
.getProperty("database.usexmlindex"))).booleanValue();
|
614
|
String xmlquery = "query"; // we don't care the query in resultset,
|
615
|
// the query can be anything
|
616
|
PrintWriter out = null; // we don't want metacat result, so set out null
|
617
|
|
618
|
// parameter: queryspecification, user, group, usingIndexOrNot
|
619
|
StringBuffer result = metacat.createResultDocument(xmlquery,
|
620
|
metacatQuery, out, username, groupNames, useXMLIndex);
|
621
|
|
622
|
// create result set transfer
|
623
|
String saxparser = PropertyService.getProperty("xml.saxparser");
|
624
|
MetacatResultsetParser metacatResultsetParser = new MetacatResultsetParser(
|
625
|
new StringReader(result.toString()), saxparser, queryType
|
626
|
.getNamespace().get_value());
|
627
|
ResultsetType records = metacatResultsetParser.getEcogridResult();
|
628
|
|
629
|
System.out
|
630
|
.println(EcogridResultsetTransformer.toXMLString(records));
|
631
|
response.setContentType("text/xml");
|
632
|
out = response.getWriter();
|
633
|
out.print(EcogridResultsetTransformer.toXMLString(records));
|
634
|
|
635
|
} catch (Exception e) {
|
636
|
e.printStackTrace();
|
637
|
}*/
|
638
|
|
639
|
|
640
|
}
|
641
|
|
642
|
/**
|
643
|
* Returns the object format registered in the DataONE Object Format
|
644
|
* Vocabulary for the given format identifier
|
645
|
*
|
646
|
* @param fmtid - the identifier of the format requested
|
647
|
*
|
648
|
* @return objectFormat - the object format requested
|
649
|
*
|
650
|
* @throws ServiceFailure
|
651
|
* @throws NotFound
|
652
|
* @throws InsufficientResources
|
653
|
* @throws NotImplemented
|
654
|
*/
|
655
|
@Override
|
656
|
public ObjectFormat getFormat(ObjectFormatIdentifier fmtid)
|
657
|
throws ServiceFailure, NotFound, NotImplemented {
|
658
|
|
659
|
return ObjectFormatService.getInstance().getFormat(fmtid);
|
660
|
|
661
|
}
|
662
|
|
663
|
/**
|
664
|
* Returns a list of all object formats registered in the DataONE Object
|
665
|
* Format Vocabulary
|
666
|
*
|
667
|
* @return objectFormatList - The list of object formats registered in
|
668
|
* the DataONE Object Format Vocabulary
|
669
|
*
|
670
|
* @throws ServiceFailure
|
671
|
* @throws NotImplemented
|
672
|
* @throws InsufficientResources
|
673
|
*/
|
674
|
@Override
|
675
|
public ObjectFormatList listFormats()
|
676
|
throws ServiceFailure, NotImplemented {
|
677
|
|
678
|
return ObjectFormatService.getInstance().listFormats();
|
679
|
}
|
680
|
|
681
|
/**
|
682
|
* Returns a list of nodes that have been registered with the DataONE infrastructure
|
683
|
*
|
684
|
* @return nodeList - List of nodes from the registry
|
685
|
*
|
686
|
* @throws ServiceFailure
|
687
|
* @throws NotImplemented
|
688
|
*/
|
689
|
@Override
|
690
|
public NodeList listNodes()
|
691
|
throws NotImplemented, ServiceFailure {
|
692
|
|
693
|
throw new NotImplemented("4800", "listNodes not implemented");
|
694
|
}
|
695
|
|
696
|
/**
|
697
|
* Provides a mechanism for adding system metadata independently of its
|
698
|
* associated object, such as when adding system metadata for data objects.
|
699
|
*
|
700
|
* @param session - the Session object containing the credentials for the Subject
|
701
|
* @param pid - The identifier of the object to register the system metadata against
|
702
|
* @param sysmeta - The system metadata to be registered
|
703
|
*
|
704
|
* @return true if the registration succeeds
|
705
|
*
|
706
|
* @throws NotImplemented
|
707
|
* @throws NotAuthorized
|
708
|
* @throws ServiceFailure
|
709
|
* @throws InvalidRequest
|
710
|
* @throws InvalidSystemMetadata
|
711
|
*/
|
712
|
@Override
|
713
|
public Identifier registerSystemMetadata(Session session, Identifier pid,
|
714
|
SystemMetadata sysmeta)
|
715
|
throws NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest,
|
716
|
InvalidSystemMetadata {
|
717
|
|
718
|
// The lock to be used for this identifier
|
719
|
Lock lock = null;
|
720
|
|
721
|
// TODO: control who can call this?
|
722
|
if (session == null) {
|
723
|
//TODO: many of the thrown exceptions do not use the correct error codes
|
724
|
//check these against the docs and correct them
|
725
|
throw new NotAuthorized("4861", "No Session - could not authorize for registration." +
|
726
|
" If you are not logged in, please do so and retry the request.");
|
727
|
}
|
728
|
|
729
|
// verify that guid == SystemMetadata.getIdentifier()
|
730
|
logMetacat.debug("Comparing guid|sysmeta_guid: " + pid.getValue() +
|
731
|
"|" + sysmeta.getIdentifier().getValue());
|
732
|
if (!pid.getValue().equals(sysmeta.getIdentifier().getValue())) {
|
733
|
throw new InvalidRequest("4863",
|
734
|
"The identifier in method call (" + pid.getValue() +
|
735
|
") does not match identifier in system metadata (" +
|
736
|
sysmeta.getIdentifier().getValue() + ").");
|
737
|
}
|
738
|
|
739
|
try {
|
740
|
lock = HazelcastService.getInstance().getLock(sysmeta.getIdentifier().getValue());
|
741
|
lock.lock();
|
742
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
743
|
logMetacat.debug("Checking if identifier exists...");
|
744
|
// Check that the identifier does not already exist
|
745
|
if (HazelcastService.getInstance().getSystemMetadataMap().containsKey(pid)) {
|
746
|
throw new InvalidRequest("4863",
|
747
|
"The identifier is already in use by an existing object.");
|
748
|
|
749
|
}
|
750
|
|
751
|
// insert the system metadata into the object store
|
752
|
logMetacat.debug("Starting to insert SystemMetadata...");
|
753
|
try {
|
754
|
sysmeta.setSerialVersion(BigInteger.ONE);
|
755
|
sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
756
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysmeta.getIdentifier(), sysmeta);
|
757
|
|
758
|
} catch (RuntimeException e) {
|
759
|
logMetacat.error("Problem registering system metadata: " + pid.getValue(), e);
|
760
|
throw new ServiceFailure("4862", "Error inserting system metadata: " +
|
761
|
e.getClass() + ": " + e.getMessage());
|
762
|
|
763
|
}
|
764
|
|
765
|
} catch (RuntimeException e) {
|
766
|
throw new ServiceFailure("4862", "Error inserting system metadata: " +
|
767
|
e.getClass() + ": " + e.getMessage());
|
768
|
|
769
|
} finally {
|
770
|
lock.unlock();
|
771
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
772
|
|
773
|
}
|
774
|
|
775
|
|
776
|
logMetacat.debug("Returning from registerSystemMetadata");
|
777
|
EventLog.getInstance().log(request.getRemoteAddr(),
|
778
|
request.getHeader("User-Agent"), session.getSubject().getValue(),
|
779
|
pid.getValue(), "registerSystemMetadata");
|
780
|
return pid;
|
781
|
}
|
782
|
|
783
|
/**
|
784
|
* Given an optional scope and format, reserves and returns an identifier
|
785
|
* within that scope and format that is unique and will not be
|
786
|
* used by any other sessions.
|
787
|
*
|
788
|
* @param session - the Session object containing the credentials for the Subject
|
789
|
* @param pid - The identifier of the object to register the system metadata against
|
790
|
* @param scope - An optional string to be used to qualify the scope of
|
791
|
* the identifier namespace, which is applied differently
|
792
|
* depending on the format requested. If scope is not
|
793
|
* supplied, a default scope will be used.
|
794
|
* @param format - The optional name of the identifier format to be used,
|
795
|
* drawn from a DataONE-specific vocabulary of identifier
|
796
|
* format names, including several common syntaxes such
|
797
|
* as DOI, LSID, UUID, and LSRN, among others. If the
|
798
|
* format is not supplied by the caller, the CN service
|
799
|
* will use a default identifier format, which may change
|
800
|
* over time.
|
801
|
*
|
802
|
* @return true if the registration succeeds
|
803
|
*
|
804
|
* @throws InvalidToken
|
805
|
* @throws ServiceFailure
|
806
|
* @throws NotAuthorized
|
807
|
* @throws IdentifierNotUnique
|
808
|
* @throws NotImplemented
|
809
|
*/
|
810
|
@Override
|
811
|
public Identifier reserveIdentifier(Session session, Identifier pid)
|
812
|
throws InvalidToken, ServiceFailure,
|
813
|
NotAuthorized, IdentifierNotUnique, NotImplemented, InvalidRequest {
|
814
|
|
815
|
throw new NotImplemented("4191", "reserveIdentifier not implemented on this node");
|
816
|
}
|
817
|
|
818
|
@Override
|
819
|
public Identifier generateIdentifier(Session session, String scheme, String fragment)
|
820
|
throws InvalidToken, ServiceFailure,
|
821
|
NotAuthorized, NotImplemented, InvalidRequest {
|
822
|
throw new NotImplemented("4191", "generateIdentifier not implemented on this node");
|
823
|
}
|
824
|
|
825
|
/**
|
826
|
* Checks whether the pid is reserved by the subject in the session param
|
827
|
* If the reservation is held on the pid by the subject, we return true.
|
828
|
*
|
829
|
* @param session - the Session object containing the Subject
|
830
|
* @param pid - The identifier to check
|
831
|
*
|
832
|
* @return true if the reservation exists for the subject/pid
|
833
|
*
|
834
|
* @throws InvalidToken
|
835
|
* @throws ServiceFailure
|
836
|
* @throws NotFound - when the pid is not found (in use or in reservation)
|
837
|
* @throws NotAuthorized - when the subject does not hold a reservation on the pid
|
838
|
* @throws IdentifierNotUnique - when the pid is in use
|
839
|
* @throws NotImplemented
|
840
|
*/
|
841
|
|
842
|
@Override
|
843
|
public boolean hasReservation(Session session, Identifier pid)
|
844
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized, IdentifierNotUnique,
|
845
|
NotImplemented, InvalidRequest {
|
846
|
|
847
|
throw new NotImplemented("4191", "hasReservation not implemented on this node");
|
848
|
}
|
849
|
|
850
|
/**
|
851
|
* Changes ownership (RightsHolder) of the specified object to the
|
852
|
* subject specified by userId
|
853
|
*
|
854
|
* @param session - the Session object containing the credentials for the Subject
|
855
|
* @param pid - Identifier of the object to be modified
|
856
|
* @param userId - The subject that will be taking ownership of the specified object.
|
857
|
*
|
858
|
* @return pid - the identifier of the modified object
|
859
|
*
|
860
|
* @throws ServiceFailure
|
861
|
* @throws InvalidToken
|
862
|
* @throws NotFound
|
863
|
* @throws NotAuthorized
|
864
|
* @throws NotImplemented
|
865
|
* @throws InvalidRequest
|
866
|
*/
|
867
|
@Override
|
868
|
public Identifier setRightsHolder(Session session, Identifier pid, Subject userId,
|
869
|
long serialVersion)
|
870
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized,
|
871
|
NotImplemented, InvalidRequest, VersionMismatch {
|
872
|
|
873
|
// The lock to be used for this identifier
|
874
|
Lock lock = null;
|
875
|
|
876
|
// get the subject
|
877
|
Subject subject = session.getSubject();
|
878
|
|
879
|
// are we allowed to do this?
|
880
|
if (!isAdminAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
881
|
if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
882
|
throw new NotAuthorized("4440", "not allowed by "
|
883
|
+ subject.getValue() + " on " + pid.getValue());
|
884
|
|
885
|
}
|
886
|
}
|
887
|
|
888
|
SystemMetadata systemMetadata = null;
|
889
|
try {
|
890
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
891
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
892
|
|
893
|
try {
|
894
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
895
|
|
896
|
// does the request have the most current system metadata?
|
897
|
if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
|
898
|
String msg = "The requested system metadata version number " +
|
899
|
serialVersion + " differs from the current version at " +
|
900
|
systemMetadata.getSerialVersion().longValue() +
|
901
|
". Please get the latest copy in order to modify it.";
|
902
|
throw new VersionMismatch("4443", msg);
|
903
|
}
|
904
|
|
905
|
} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
|
906
|
throw new NotFound("4460", "No record found for: " + pid.getValue());
|
907
|
|
908
|
}
|
909
|
|
910
|
// set the new rights holder
|
911
|
systemMetadata.setRightsHolder(userId);
|
912
|
|
913
|
// update the metadata
|
914
|
try {
|
915
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
916
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
917
|
HazelcastService.getInstance().getSystemMetadataMap().put(pid, systemMetadata);
|
918
|
|
919
|
} catch (RuntimeException e) {
|
920
|
throw new ServiceFailure("4490", e.getMessage());
|
921
|
|
922
|
}
|
923
|
|
924
|
} catch (RuntimeException e) {
|
925
|
throw new ServiceFailure("4490", e.getMessage());
|
926
|
|
927
|
} finally {
|
928
|
lock.unlock();
|
929
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
930
|
|
931
|
}
|
932
|
|
933
|
return pid;
|
934
|
}
|
935
|
|
936
|
/**
|
937
|
* Verify that a replication task is authorized by comparing the target node's
|
938
|
* Subject (from the X.509 certificate-derived Session) with the list of
|
939
|
* subjects in the known, pending replication tasks map.
|
940
|
*
|
941
|
* @param originatingNodeSession - Session information that contains the
|
942
|
* identity of the calling user
|
943
|
* @param targetNodeSubject - Subject identifying the target node
|
944
|
* @param pid - the identifier of the object to be replicated
|
945
|
* @param replicatePermission - the execute permission to be granted
|
946
|
*
|
947
|
* @throws ServiceFailure
|
948
|
* @throws NotImplemented
|
949
|
* @throws InvalidToken
|
950
|
* @throws NotAuthorized
|
951
|
* @throws InvalidRequest
|
952
|
* @throws NotFound
|
953
|
*/
|
954
|
@Override
|
955
|
public boolean isNodeAuthorized(Session originatingNodeSession,
|
956
|
Subject targetNodeSubject, Identifier pid)
|
957
|
throws NotImplemented, NotAuthorized, InvalidToken, ServiceFailure,
|
958
|
NotFound, InvalidRequest {
|
959
|
|
960
|
boolean isAllowed = false;
|
961
|
SystemMetadata sysmeta = null;
|
962
|
NodeReference targetNode = null;
|
963
|
|
964
|
try {
|
965
|
// get the target node reference from the nodes list
|
966
|
CNode cn = D1Client.getCN();
|
967
|
List<Node> nodes = cn.listNodes().getNodeList();
|
968
|
|
969
|
if ( nodes != null ) {
|
970
|
for (Node node : nodes) {
|
971
|
|
972
|
for (Subject nodeSubject : node.getSubjectList()) {
|
973
|
|
974
|
if ( nodeSubject.equals(targetNodeSubject) ) {
|
975
|
targetNode = node.getIdentifier();
|
976
|
logMetacat.debug("targetNode is : " + targetNode.getValue());
|
977
|
break;
|
978
|
}
|
979
|
}
|
980
|
|
981
|
if ( targetNode != null) { break; }
|
982
|
}
|
983
|
|
984
|
} else {
|
985
|
String msg = "Couldn't get the node list from the CN";
|
986
|
logMetacat.debug(msg);
|
987
|
throw new ServiceFailure("4872", msg);
|
988
|
|
989
|
}
|
990
|
|
991
|
// can't find a node listed with the given subject
|
992
|
if ( targetNode == null ) {
|
993
|
String msg = "There is no Member Node registered with a node subject " +
|
994
|
"matching " + targetNodeSubject.getValue();
|
995
|
logMetacat.info(msg);
|
996
|
throw new ServiceFailure("4872", msg);
|
997
|
|
998
|
}
|
999
|
|
1000
|
logMetacat.debug("Getting system metadata for identifier " + pid.getValue());
|
1001
|
|
1002
|
sysmeta = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
1003
|
|
1004
|
if ( sysmeta != null ) {
|
1005
|
|
1006
|
List<Replica> replicaList = sysmeta.getReplicaList();
|
1007
|
|
1008
|
if ( replicaList != null ) {
|
1009
|
|
1010
|
// find the replica with the status set to 'requested'
|
1011
|
for (Replica replica : replicaList) {
|
1012
|
ReplicationStatus status = replica.getReplicationStatus();
|
1013
|
NodeReference listedNode = replica.getReplicaMemberNode();
|
1014
|
if ( listedNode != null && targetNode != null ) {
|
1015
|
logMetacat.debug("Comparing " + listedNode.getValue()
|
1016
|
+ " to " + targetNode.getValue());
|
1017
|
|
1018
|
if (listedNode.getValue().equals(targetNode.getValue())
|
1019
|
&& status.equals(ReplicationStatus.REQUESTED)) {
|
1020
|
isAllowed = true;
|
1021
|
break;
|
1022
|
|
1023
|
}
|
1024
|
}
|
1025
|
}
|
1026
|
}
|
1027
|
logMetacat.debug("The " + targetNode.getValue() + " is allowed " +
|
1028
|
"to replicate: " + isAllowed + " for " + pid.getValue());
|
1029
|
|
1030
|
|
1031
|
} else {
|
1032
|
logMetacat.debug("System metadata for identifier " + pid.getValue() +
|
1033
|
" is null.");
|
1034
|
throw new NotFound("4874", "Couldn't find an object identified by " + pid.getValue());
|
1035
|
|
1036
|
}
|
1037
|
|
1038
|
} catch (RuntimeException e) {
|
1039
|
ServiceFailure sf = new ServiceFailure("4872",
|
1040
|
"Runtime Exception: Couldn't determine if node is allowed: " +
|
1041
|
e.getCause().getMessage());
|
1042
|
sf.initCause(e);
|
1043
|
throw sf;
|
1044
|
|
1045
|
}
|
1046
|
|
1047
|
return isAllowed;
|
1048
|
|
1049
|
}
|
1050
|
|
1051
|
/**
|
1052
|
* Adds a new object to the Node, where the object is a science metadata object.
|
1053
|
*
|
1054
|
* @param session - the Session object containing the credentials for the Subject
|
1055
|
* @param pid - The object identifier to be created
|
1056
|
* @param object - the object bytes
|
1057
|
* @param sysmeta - the system metadata that describes the object
|
1058
|
*
|
1059
|
* @return pid - the object identifier created
|
1060
|
*
|
1061
|
* @throws InvalidToken
|
1062
|
* @throws ServiceFailure
|
1063
|
* @throws NotAuthorized
|
1064
|
* @throws IdentifierNotUnique
|
1065
|
* @throws UnsupportedType
|
1066
|
* @throws InsufficientResources
|
1067
|
* @throws InvalidSystemMetadata
|
1068
|
* @throws NotImplemented
|
1069
|
* @throws InvalidRequest
|
1070
|
*/
|
1071
|
public Identifier create(Session session, Identifier pid, InputStream object,
|
1072
|
SystemMetadata sysmeta)
|
1073
|
throws InvalidToken, ServiceFailure, NotAuthorized, IdentifierNotUnique,
|
1074
|
UnsupportedType, InsufficientResources, InvalidSystemMetadata,
|
1075
|
NotImplemented, InvalidRequest {
|
1076
|
|
1077
|
|
1078
|
// The lock to be used for this identifier
|
1079
|
Lock lock = null;
|
1080
|
|
1081
|
try {
|
1082
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
1083
|
// are we allowed?
|
1084
|
boolean isAllowed = false;
|
1085
|
CNode cn = D1Client.getCN();
|
1086
|
NodeList nodeList = cn.listNodes();
|
1087
|
|
1088
|
for (Node node : nodeList.getNodeList()) {
|
1089
|
if ( node.getType().equals(NodeType.CN) ) {
|
1090
|
|
1091
|
List<Subject> subjects = node.getSubjectList();
|
1092
|
for (Subject subject : subjects) {
|
1093
|
if (subject.equals(session.getSubject())) {
|
1094
|
isAllowed = true;
|
1095
|
break;
|
1096
|
}
|
1097
|
}
|
1098
|
}
|
1099
|
}
|
1100
|
|
1101
|
// proceed if we're called by a CN
|
1102
|
if ( isAllowed ) {
|
1103
|
// create the coordinating node version of the document
|
1104
|
lock.lock();
|
1105
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
1106
|
sysmeta.setSerialVersion(BigInteger.ONE);
|
1107
|
sysmeta.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
1108
|
pid = super.create(session, pid, object, sysmeta);
|
1109
|
|
1110
|
} else {
|
1111
|
String msg = "The subject listed as " + session.getSubject().getValue() +
|
1112
|
" isn't allowed to call create() on a Coordinating Node.";
|
1113
|
logMetacat.info(msg);
|
1114
|
throw new NotAuthorized("1100", msg);
|
1115
|
}
|
1116
|
|
1117
|
} catch (RuntimeException e) {
|
1118
|
// Convert Hazelcast runtime exceptions to service failures
|
1119
|
String msg = "There was a problem creating the object identified by " +
|
1120
|
pid.getValue() + ". There error message was: " + e.getMessage();
|
1121
|
throw new ServiceFailure("4893", msg);
|
1122
|
|
1123
|
} finally {
|
1124
|
if (lock != null) {
|
1125
|
lock.unlock();
|
1126
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
1127
|
}
|
1128
|
}
|
1129
|
|
1130
|
return pid;
|
1131
|
|
1132
|
}
|
1133
|
|
1134
|
/**
|
1135
|
* Set access for a given object using the object identifier and a Subject
|
1136
|
* under a given Session.
|
1137
|
*
|
1138
|
* @param session - the Session object containing the credentials for the Subject
|
1139
|
* @param pid - the object identifier for the given object to apply the policy
|
1140
|
* @param policy - the access policy to be applied
|
1141
|
*
|
1142
|
* @return true if the application of the policy succeeds
|
1143
|
* @throws InvalidToken
|
1144
|
* @throws ServiceFailure
|
1145
|
* @throws NotFound
|
1146
|
* @throws NotAuthorized
|
1147
|
* @throws NotImplemented
|
1148
|
* @throws InvalidRequest
|
1149
|
*/
|
1150
|
public boolean setAccessPolicy(Session session, Identifier pid,
|
1151
|
AccessPolicy accessPolicy, long serialVersion)
|
1152
|
throws InvalidToken, ServiceFailure, NotFound, NotAuthorized,
|
1153
|
NotImplemented, InvalidRequest, VersionMismatch {
|
1154
|
|
1155
|
// The lock to be used for this identifier
|
1156
|
Lock lock = null;
|
1157
|
SystemMetadata systemMetadata = null;
|
1158
|
|
1159
|
boolean success = false;
|
1160
|
|
1161
|
// get the subject
|
1162
|
Subject subject = session.getSubject();
|
1163
|
|
1164
|
if (!isAdminAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
1165
|
// are we allowed to do this?
|
1166
|
if (!isAuthorized(session, pid, Permission.CHANGE_PERMISSION)) {
|
1167
|
throw new NotAuthorized("4420", "not allowed by "
|
1168
|
+ subject.getValue() + " on " + pid.getValue());
|
1169
|
}
|
1170
|
}
|
1171
|
|
1172
|
try {
|
1173
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
1174
|
lock.lock();
|
1175
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
1176
|
|
1177
|
try {
|
1178
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
1179
|
|
1180
|
if ( systemMetadata == null ) {
|
1181
|
throw new NotFound("4400", "Couldn't find an object identified by " + pid.getValue());
|
1182
|
|
1183
|
}
|
1184
|
// does the request have the most current system metadata?
|
1185
|
if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
|
1186
|
String msg = "The requested system metadata version number " +
|
1187
|
serialVersion + " differs from the current version at " +
|
1188
|
systemMetadata.getSerialVersion().longValue() +
|
1189
|
". Please get the latest copy in order to modify it.";
|
1190
|
throw new VersionMismatch("4402", msg);
|
1191
|
|
1192
|
}
|
1193
|
|
1194
|
} catch (RuntimeException e) {
|
1195
|
// convert Hazelcast RuntimeException to NotFound
|
1196
|
throw new NotFound("4400", "No record found for: " + pid);
|
1197
|
|
1198
|
}
|
1199
|
|
1200
|
// set the access policy
|
1201
|
systemMetadata.setAccessPolicy(accessPolicy);
|
1202
|
|
1203
|
// update the system metadata
|
1204
|
try {
|
1205
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
1206
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
1207
|
HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
|
1208
|
|
1209
|
} catch (RuntimeException e) {
|
1210
|
// convert Hazelcast RuntimeException to ServiceFailure
|
1211
|
throw new ServiceFailure("4430", e.getMessage());
|
1212
|
|
1213
|
}
|
1214
|
|
1215
|
} catch (RuntimeException e) {
|
1216
|
throw new ServiceFailure("4430", e.getMessage());
|
1217
|
|
1218
|
} finally {
|
1219
|
lock.unlock();
|
1220
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
1221
|
|
1222
|
}
|
1223
|
|
1224
|
|
1225
|
// TODO: how do we know if the map was persisted?
|
1226
|
success = true;
|
1227
|
|
1228
|
return success;
|
1229
|
}
|
1230
|
|
1231
|
/**
|
1232
|
* Full replacement of replication metadata in the system metadata for the
|
1233
|
* specified object, changes date system metadata modified
|
1234
|
*
|
1235
|
* @param session - the Session object containing the credentials for the Subject
|
1236
|
* @param pid - the object identifier for the given object to apply the policy
|
1237
|
* @param replica - the replica to be updated
|
1238
|
* @return
|
1239
|
* @throws NotImplemented
|
1240
|
* @throws NotAuthorized
|
1241
|
* @throws ServiceFailure
|
1242
|
* @throws InvalidRequest
|
1243
|
* @throws NotFound
|
1244
|
* @throws VersionMismatch
|
1245
|
*/
|
1246
|
@Override
|
1247
|
public boolean updateReplicationMetadata(Session session, Identifier pid,
|
1248
|
Replica replica, long serialVersion)
|
1249
|
throws NotImplemented, NotAuthorized, ServiceFailure, InvalidRequest,
|
1250
|
NotFound, VersionMismatch {
|
1251
|
|
1252
|
// The lock to be used for this identifier
|
1253
|
Lock lock = null;
|
1254
|
|
1255
|
// get the subject
|
1256
|
Subject subject = session.getSubject();
|
1257
|
|
1258
|
// are we allowed to do this?
|
1259
|
try {
|
1260
|
if (!isAdminAuthorized(session, pid, Permission.WRITE)) {
|
1261
|
// what is the controlling permission?
|
1262
|
if (!isAuthorized(session, pid, Permission.WRITE)) {
|
1263
|
throw new NotAuthorized("4851", "not allowed by "
|
1264
|
+ subject.getValue() + " on " + pid.getValue());
|
1265
|
}
|
1266
|
}
|
1267
|
|
1268
|
} catch (InvalidToken e) {
|
1269
|
throw new NotAuthorized("4851", "not allowed by " + subject.getValue() +
|
1270
|
" on " + pid.getValue());
|
1271
|
|
1272
|
}
|
1273
|
|
1274
|
SystemMetadata systemMetadata = null;
|
1275
|
try {
|
1276
|
lock = HazelcastService.getInstance().getLock(pid.getValue());
|
1277
|
lock.lock();
|
1278
|
logMetacat.debug("Locked identifier " + pid.getValue());
|
1279
|
|
1280
|
try {
|
1281
|
systemMetadata = HazelcastService.getInstance().getSystemMetadataMap().get(pid);
|
1282
|
|
1283
|
// does the request have the most current system metadata?
|
1284
|
if ( systemMetadata.getSerialVersion().longValue() != serialVersion ) {
|
1285
|
String msg = "The requested system metadata version number " +
|
1286
|
serialVersion + " differs from the current version at " +
|
1287
|
systemMetadata.getSerialVersion().longValue() +
|
1288
|
". Please get the latest copy in order to modify it.";
|
1289
|
throw new VersionMismatch("4855", msg);
|
1290
|
}
|
1291
|
|
1292
|
} catch (RuntimeException e) { // Catch is generic since HZ throws RuntimeException
|
1293
|
throw new NotFound("4854", "No record found for: " + pid.getValue() +
|
1294
|
" : " + e.getMessage());
|
1295
|
|
1296
|
}
|
1297
|
|
1298
|
// set the status for the replica
|
1299
|
List<Replica> replicas = systemMetadata.getReplicaList();
|
1300
|
NodeReference replicaNode = replica.getReplicaMemberNode();
|
1301
|
int index = 0;
|
1302
|
for (Replica listedReplica: replicas) {
|
1303
|
|
1304
|
// remove the replica that we are replacing
|
1305
|
if ( replicaNode.getValue().equals(listedReplica.getReplicaMemberNode().getValue())) {
|
1306
|
replicas.remove(index);
|
1307
|
break;
|
1308
|
|
1309
|
}
|
1310
|
index++;
|
1311
|
}
|
1312
|
|
1313
|
// add the new replica item
|
1314
|
replicas.add(replica);
|
1315
|
systemMetadata.setReplicaList(replicas);
|
1316
|
|
1317
|
// update the metadata
|
1318
|
try {
|
1319
|
systemMetadata.setSerialVersion(systemMetadata.getSerialVersion().add(BigInteger.ONE));
|
1320
|
systemMetadata.setDateSysMetadataModified(Calendar.getInstance().getTime());
|
1321
|
HazelcastService.getInstance().getSystemMetadataMap().put(systemMetadata.getIdentifier(), systemMetadata);
|
1322
|
|
1323
|
} catch (RuntimeException e) {
|
1324
|
logMetacat.info("Unknown RuntimeException thrown: " + e.getCause().getMessage());
|
1325
|
throw new ServiceFailure("4852", e.getMessage());
|
1326
|
|
1327
|
}
|
1328
|
|
1329
|
} catch (RuntimeException e) {
|
1330
|
logMetacat.info("Unknown RuntimeException thrown: " + e.getCause().getMessage());
|
1331
|
throw new ServiceFailure("4852", e.getMessage());
|
1332
|
|
1333
|
} finally {
|
1334
|
lock.unlock();
|
1335
|
logMetacat.debug("Unlocked identifier " + pid.getValue());
|
1336
|
|
1337
|
}
|
1338
|
|
1339
|
return true;
|
1340
|
|
1341
|
}
|
1342
|
|
1343
|
/**
|
1344
|
*
|
1345
|
*/
|
1346
|
@Override
|
1347
|
public ObjectList listObjects(Session session, Date startTime,
|
1348
|
Date endTime, ObjectFormatIdentifier formatid, Boolean replicaStatus,
|
1349
|
Integer start, Integer count)
|
1350
|
throws InvalidRequest, InvalidToken, NotAuthorized, NotImplemented,
|
1351
|
ServiceFailure {
|
1352
|
|
1353
|
ObjectList objectList = null;
|
1354
|
try {
|
1355
|
objectList = IdentifierManager.getInstance().querySystemMetadata(startTime, endTime, formatid, replicaStatus, start, count);
|
1356
|
} catch (Exception e) {
|
1357
|
throw new ServiceFailure("1580", "Error querying system metadata: " + e.getMessage());
|
1358
|
}
|
1359
|
|
1360
|
return objectList;
|
1361
|
}
|
1362
|
|
1363
|
/**
|
1364
|
*
|
1365
|
*/
|
1366
|
@Override
|
1367
|
public ChecksumAlgorithmList listChecksumAlgorithms()
|
1368
|
throws ServiceFailure, NotImplemented {
|
1369
|
ChecksumAlgorithmList cal = new ChecksumAlgorithmList();
|
1370
|
cal.addAlgorithm("MD5");
|
1371
|
cal.addAlgorithm("SHA-1");
|
1372
|
return null;
|
1373
|
}
|
1374
|
|
1375
|
}
|