Files
alfresco-community-repo/source/java/org/alfresco/repo/transfer/RepoTertiaryManifestProcessorImpl.java
Alan Davis 84841e063f Merged 5.2.N (5.2.1) to HEAD (5.2)
125788 rmunteanu: Merged 5.1.N (5.1.2) to 5.2.N (5.2.1)
      125606 rmunteanu: Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
         125515 slanglois: MNT-16155 Update source headers - add new Copyrights for Java and JSP source files + automatic check in the build


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@127810 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2016-06-03 17:08:06 +00:00

364 lines
15 KiB
Java

/*
* #%L
* Alfresco Repository
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.repo.transfer;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.alfresco.repo.transfer.CorrespondingNodeResolver.ResolvedParentChildPair;
import org.alfresco.repo.transfer.manifest.TransferManifestDeletedNode;
import org.alfresco.repo.transfer.manifest.TransferManifestHeader;
import org.alfresco.repo.transfer.manifest.TransferManifestNormalNode;
import org.alfresco.service.cmr.repository.ChildAssociationRef;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.Path;
import org.alfresco.service.cmr.transfer.TransferReceiver;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* @author mrogers
*
* The tertiary manifest processor performs a third parse of the snapshot file.
*
* For a complete transfer it is responsible for deleting any replicated nodes
* which exist in the target repository that do not exist in the source repository.
*
* If the transfer is not "sync" then this processor does nothing.
*/
public class RepoTertiaryManifestProcessorImpl extends AbstractManifestProcessorBase
{
private NodeService nodeService;
private AlienProcessor alienProcessor;
CorrespondingNodeResolver nodeResolver;
private static final Log log = LogFactory.getLog(RepoTertiaryManifestProcessorImpl.class);
/**
* Is this a "sync" transfer. If not then does nothing.
*/
boolean isSync = false;
String manifestRepositoryId;
/**
* @param receiver TransferReceiver
* @param transferId String
*/
public RepoTertiaryManifestProcessorImpl(TransferReceiver receiver, String transferId)
{
super(receiver, transferId);
}
protected void endManifest()
{
//NOOP
}
protected void processNode(TransferManifestDeletedNode node)
{
//NOOP
}
protected void processNode(TransferManifestNormalNode node)
{
if (log.isDebugEnabled())
{
log.debug("Processing node with incoming noderef of " + node.getNodeRef());
}
logComment("Tertiary Processing incoming node: " + node.getNodeRef() + " -- Source path = " + node.getParentPath() + "/" + node.getPrimaryParentAssoc().getQName());
/**
* This processor only does processes sync requests.
*/
if(isSync)
{
ChildAssociationRef primaryParentAssoc = node.getPrimaryParentAssoc();
CorrespondingNodeResolver.ResolvedParentChildPair resolvedNodes = nodeResolver.resolveCorrespondingNode(node
.getNodeRef(), primaryParentAssoc, node.getParentPath());
NodeRef nodeRef = resolvedNodes.resolvedChild;
if(nodeService.exists(nodeRef))
{
log.debug("destination node exists - check the children");
//TODO Use more efficient query here.
List<ChildAssociationRef> expectedChildren = node.getChildAssocs();
if (log.isDebugEnabled())
{
log.debug("Checking node in TERTIARY_MANIFEST_PROCESSOR");
}
if ((null != resolvedNodes.resolvedParent) && nodeService.exists(resolvedNodes.resolvedParent))
{
if (log.isTraceEnabled())
{
logInvasionHierarchy(resolvedNodes.resolvedParent, nodeRef, nodeService, log);
}
}
else
{
List<ChildAssociationRef> parentAssocs = nodeService.getParentAssocs(nodeRef);
if (log.isTraceEnabled())
{
logInvasionHierarchy(parentAssocs.iterator().next().getParentRef(), nodeRef, nodeService, log);
}
}
List<NodeRef> expectedChildNodeRefs = new ArrayList<NodeRef>();
Set<Path> expectedChildNodePaths = new HashSet<Path>();
if (log.isDebugEnabled())
{
log.debug("Expected children:");
}
for(ChildAssociationRef ref : expectedChildren)
{
if(log.isDebugEnabled())
{
log.debug("Expecting child node " + ref);
}
NodeRef childRef = null;
if (nodeService.exists(ref.getChildRef()))
{
childRef = ref.getChildRef();
if (log.isTraceEnabled())
{
logInvasionHierarchy(nodeRef, ref.getChildRef(), nodeService, log);
}
}
else
{
Path parentPath = node.getParentPath();
parentPath = parentPath.subPath(0, (parentPath.size() - 1));
parentPath.append(new Path.ChildAssocElement(ref));
ResolvedParentChildPair resolvedChild = nodeResolver.resolveCorrespondingNode(ref.getChildRef(), ref, parentPath);
if (null != resolvedChild.resolvedChild)
{
childRef = resolvedChild.resolvedChild;
if (log.isDebugEnabled())
{
log.debug("The node has been RESOLVED!");
}
if (log.isTraceEnabled())
{
logInvasionHierarchy(resolvedChild.resolvedParent, resolvedChild.resolvedChild, nodeService, log);
}
}
else
{
if (log.isDebugEnabled())
{
log.debug("The node DOES NOT exist in current repository! Processing will be made by its PATH!");
}
expectedChildNodePaths.add(parentPath);
}
}
if (null != childRef)
{
expectedChildNodeRefs.add(childRef);
}
}
List<ChildAssociationRef> actualChildren = nodeService.getChildAssocs(nodeRef);
/**
* For each actual child association
*/
if (log.isDebugEnabled())
{
log.debug("Traversing ACTUAL children:");
}
for(ChildAssociationRef child : actualChildren)
{
log.debug("checking child: " + child);
if(child.isPrimary())
{
if (log.isTraceEnabled())
{
logInvasionHierarchy(child.getParentRef(), child.getChildRef(), nodeService, log);
}
/**
* yes it is a primary assoc
* should it be there ?
*/
NodeRef childNodeRef = child.getChildRef();
Path actualChildPath = nodeService.getPath(childNodeRef);
if(!expectedChildNodeRefs.contains(childNodeRef) && !expectedChildNodePaths.contains(actualChildPath))
{
if (log.isDebugEnabled())
{
log.debug("This child IS NOT EXPECTED!");
}
/**
* An unexpected child - if this node has been transferred then
* it may need to be deleted.
*
* If from another repository then we have to prune the alien children
* rather than deleting it.
*/
if(nodeService.hasAspect(childNodeRef, TransferModel.ASPECT_TRANSFERRED))
{
log.debug("an unexpected transferred child node:" + child);
logComment("Transfer sync mode - checking unexpected child node:" + child);
String fromRepositoryId = (String) nodeService.getProperty(childNodeRef, TransferModel.PROP_FROM_REPOSITORY_ID);
// Yes this is a transferred node. When syncing we only delete nodes that are "from"
// the system that is transferring to this repo.
if (log.isDebugEnabled())
{
log.debug("'manifestRepositoryId': " + manifestRepositoryId);
}
if(fromRepositoryId != null && manifestRepositoryId != null)
{
if(nodeService.hasAspect(childNodeRef, TransferModel.ASPECT_ALIEN))
{
/**
* This node can't be deleted since it contains alien content
* it needs to be "pruned" of the transferring repo's content instead.
*/
log.debug("node to be deleted contains alien content so needs to be pruned." + childNodeRef);
logComment("Transfer sync mode - node contains alien content so can't be deleted. " + childNodeRef);
alienProcessor.pruneNode(childNodeRef, manifestRepositoryId);
}
else
{
// Node
if (log.isDebugEnabled())
{
log.debug("Node not alien. Trying to delete the node...");
}
String initialRepositoryId = (String) nodeService.getProperty(childNodeRef, TransferModel.PROP_FROM_REPOSITORY_ID);
if(manifestRepositoryId.equalsIgnoreCase(initialRepositoryId))
{
if (log.isDebugEnabled())
{
log.debug("Replication is initiated from the same repository from which this node was transferred! Deleting");
}
// Yes the manifest repository Id and the from repository Id match.
// Destination node if from the transferring repo and needs to be deleted.
logDeleted(node.getNodeRef(), childNodeRef, nodeService.getPath(childNodeRef).toString());
logSummaryDeleted(node.getNodeRef(), childNodeRef, nodeService.getPath(childNodeRef).toString());
nodeService.deleteNode(childNodeRef);
}
else
{
if (log.isDebugEnabled())
{
log
.debug("It is not an alien, but 'fromRepositoryId' is not equal to the 'manifestRepositoryId'! Cannot delete the foreign node...");
}
}
}
}
else
{
log.debug("node does not have a transferred aspect");
}
}
}
}
}
}
else
{
log.debug("not sync mode - do nothing");
}
}
}
protected void processHeader(TransferManifestHeader header)
{
isSync = header.isSync();
log.debug("isSync :" + isSync);
manifestRepositoryId = header.getRepositoryId();
log.debug("fromRepositoryId:" + manifestRepositoryId);
}
/*
* (non-Javadoc)
*
* @see org.alfresco.repo.transfer.manifest.TransferManifestProcessor#startTransferManifest()
*/
protected void startManifest()
{
//NOOP
}
/**
* @param nodeService
* the nodeService to set
*/
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
public void setAlienProcessor(AlienProcessor alienProcessor)
{
this.alienProcessor = alienProcessor;
}
public AlienProcessor getAlienProcessor()
{
return alienProcessor;
}
/**
* @param nodeResolver
* the nodeResolver to set
*/
public void setNodeResolver(CorrespondingNodeResolver nodeResolver)
{
this.nodeResolver = nodeResolver;
}
}