mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-10-29 15:21:53 +00:00
6afb44e712
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/BRANCHES/DEV/5.2.N/root@125788 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
364 lines
15 KiB
Java
364 lines
15 KiB
Java
/*
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* #%L
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* Alfresco Repository
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* %%
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* Copyright (C) 2005 - 2016 Alfresco Software Limited
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* %%
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* This file is part of the Alfresco software.
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* If the software was purchased under a paid Alfresco license, the terms of
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* the paid license agreement will prevail. Otherwise, the software is
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* provided under the following open source license terms:
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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* #L%
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*/
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package org.alfresco.repo.transfer;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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import org.alfresco.repo.transfer.CorrespondingNodeResolver.ResolvedParentChildPair;
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import org.alfresco.repo.transfer.manifest.TransferManifestDeletedNode;
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import org.alfresco.repo.transfer.manifest.TransferManifestHeader;
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import org.alfresco.repo.transfer.manifest.TransferManifestNormalNode;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.cmr.repository.NodeService;
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import org.alfresco.service.cmr.repository.Path;
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import org.alfresco.service.cmr.transfer.TransferReceiver;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* @author mrogers
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*
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* The tertiary manifest processor performs a third parse of the snapshot file.
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*
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* For a complete transfer it is responsible for deleting any replicated nodes
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* which exist in the target repository that do not exist in the source repository.
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*
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* If the transfer is not "sync" then this processor does nothing.
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*/
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public class RepoTertiaryManifestProcessorImpl extends AbstractManifestProcessorBase
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{
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private NodeService nodeService;
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private AlienProcessor alienProcessor;
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CorrespondingNodeResolver nodeResolver;
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private static final Log log = LogFactory.getLog(RepoTertiaryManifestProcessorImpl.class);
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/**
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* Is this a "sync" transfer. If not then does nothing.
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*/
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boolean isSync = false;
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String manifestRepositoryId;
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/**
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* @param receiver TransferReceiver
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* @param transferId String
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*/
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public RepoTertiaryManifestProcessorImpl(TransferReceiver receiver, String transferId)
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{
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super(receiver, transferId);
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}
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protected void endManifest()
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{
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//NOOP
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}
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protected void processNode(TransferManifestDeletedNode node)
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{
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//NOOP
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}
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protected void processNode(TransferManifestNormalNode node)
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{
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if (log.isDebugEnabled())
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{
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log.debug("Processing node with incoming noderef of " + node.getNodeRef());
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}
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logComment("Tertiary Processing incoming node: " + node.getNodeRef() + " -- Source path = " + node.getParentPath() + "/" + node.getPrimaryParentAssoc().getQName());
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/**
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* This processor only does processes sync requests.
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*/
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if(isSync)
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{
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ChildAssociationRef primaryParentAssoc = node.getPrimaryParentAssoc();
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CorrespondingNodeResolver.ResolvedParentChildPair resolvedNodes = nodeResolver.resolveCorrespondingNode(node
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.getNodeRef(), primaryParentAssoc, node.getParentPath());
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NodeRef nodeRef = resolvedNodes.resolvedChild;
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if(nodeService.exists(nodeRef))
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{
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log.debug("destination node exists - check the children");
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//TODO Use more efficient query here.
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List<ChildAssociationRef> expectedChildren = node.getChildAssocs();
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if (log.isDebugEnabled())
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{
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log.debug("Checking node in TERTIARY_MANIFEST_PROCESSOR");
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}
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if ((null != resolvedNodes.resolvedParent) && nodeService.exists(resolvedNodes.resolvedParent))
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{
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if (log.isTraceEnabled())
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{
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logInvasionHierarchy(resolvedNodes.resolvedParent, nodeRef, nodeService, log);
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}
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}
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else
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{
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List<ChildAssociationRef> parentAssocs = nodeService.getParentAssocs(nodeRef);
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if (log.isTraceEnabled())
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{
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logInvasionHierarchy(parentAssocs.iterator().next().getParentRef(), nodeRef, nodeService, log);
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}
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}
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List<NodeRef> expectedChildNodeRefs = new ArrayList<NodeRef>();
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Set<Path> expectedChildNodePaths = new HashSet<Path>();
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if (log.isDebugEnabled())
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{
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log.debug("Expected children:");
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}
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for(ChildAssociationRef ref : expectedChildren)
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{
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if(log.isDebugEnabled())
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{
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log.debug("Expecting child node " + ref);
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}
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NodeRef childRef = null;
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if (nodeService.exists(ref.getChildRef()))
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{
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childRef = ref.getChildRef();
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if (log.isTraceEnabled())
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{
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logInvasionHierarchy(nodeRef, ref.getChildRef(), nodeService, log);
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}
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}
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else
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{
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Path parentPath = node.getParentPath();
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parentPath = parentPath.subPath(0, (parentPath.size() - 1));
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parentPath.append(new Path.ChildAssocElement(ref));
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ResolvedParentChildPair resolvedChild = nodeResolver.resolveCorrespondingNode(ref.getChildRef(), ref, parentPath);
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if (null != resolvedChild.resolvedChild)
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{
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childRef = resolvedChild.resolvedChild;
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if (log.isDebugEnabled())
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{
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log.debug("The node has been RESOLVED!");
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}
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if (log.isTraceEnabled())
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{
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logInvasionHierarchy(resolvedChild.resolvedParent, resolvedChild.resolvedChild, nodeService, log);
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}
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}
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else
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{
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if (log.isDebugEnabled())
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{
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log.debug("The node DOES NOT exist in current repository! Processing will be made by its PATH!");
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}
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expectedChildNodePaths.add(parentPath);
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}
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}
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if (null != childRef)
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{
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expectedChildNodeRefs.add(childRef);
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}
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}
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List<ChildAssociationRef> actualChildren = nodeService.getChildAssocs(nodeRef);
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/**
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* For each actual child association
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*/
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if (log.isDebugEnabled())
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{
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log.debug("Traversing ACTUAL children:");
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}
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for(ChildAssociationRef child : actualChildren)
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{
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log.debug("checking child: " + child);
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if(child.isPrimary())
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{
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if (log.isTraceEnabled())
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{
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logInvasionHierarchy(child.getParentRef(), child.getChildRef(), nodeService, log);
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}
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/**
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* yes it is a primary assoc
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* should it be there ?
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*/
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NodeRef childNodeRef = child.getChildRef();
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Path actualChildPath = nodeService.getPath(childNodeRef);
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if(!expectedChildNodeRefs.contains(childNodeRef) && !expectedChildNodePaths.contains(actualChildPath))
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{
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if (log.isDebugEnabled())
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{
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log.debug("This child IS NOT EXPECTED!");
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}
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/**
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* An unexpected child - if this node has been transferred then
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* it may need to be deleted.
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*
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* If from another repository then we have to prune the alien children
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* rather than deleting it.
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*/
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if(nodeService.hasAspect(childNodeRef, TransferModel.ASPECT_TRANSFERRED))
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{
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log.debug("an unexpected transferred child node:" + child);
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logComment("Transfer sync mode - checking unexpected child node:" + child);
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String fromRepositoryId = (String) nodeService.getProperty(childNodeRef, TransferModel.PROP_FROM_REPOSITORY_ID);
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// Yes this is a transferred node. When syncing we only delete nodes that are "from"
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// the system that is transferring to this repo.
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if (log.isDebugEnabled())
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{
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log.debug("'manifestRepositoryId': " + manifestRepositoryId);
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}
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if(fromRepositoryId != null && manifestRepositoryId != null)
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{
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if(nodeService.hasAspect(childNodeRef, TransferModel.ASPECT_ALIEN))
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{
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/**
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* This node can't be deleted since it contains alien content
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* it needs to be "pruned" of the transferring repo's content instead.
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*/
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log.debug("node to be deleted contains alien content so needs to be pruned." + childNodeRef);
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logComment("Transfer sync mode - node contains alien content so can't be deleted. " + childNodeRef);
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alienProcessor.pruneNode(childNodeRef, manifestRepositoryId);
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}
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else
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{
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// Node
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if (log.isDebugEnabled())
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{
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log.debug("Node not alien. Trying to delete the node...");
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}
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String initialRepositoryId = (String) nodeService.getProperty(childNodeRef, TransferModel.PROP_FROM_REPOSITORY_ID);
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if(manifestRepositoryId.equalsIgnoreCase(initialRepositoryId))
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{
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if (log.isDebugEnabled())
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{
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log.debug("Replication is initiated from the same repository from which this node was transferred! Deleting");
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}
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// Yes the manifest repository Id and the from repository Id match.
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// Destination node if from the transferring repo and needs to be deleted.
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logDeleted(node.getNodeRef(), childNodeRef, nodeService.getPath(childNodeRef).toString());
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logSummaryDeleted(node.getNodeRef(), childNodeRef, nodeService.getPath(childNodeRef).toString());
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nodeService.deleteNode(childNodeRef);
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}
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else
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{
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if (log.isDebugEnabled())
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{
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log
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.debug("It is not an alien, but 'fromRepositoryId' is not equal to the 'manifestRepositoryId'! Cannot delete the foreign node...");
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}
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}
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}
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}
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else
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{
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log.debug("node does not have a transferred aspect");
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}
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}
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}
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}
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}
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}
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else
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{
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log.debug("not sync mode - do nothing");
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}
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}
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}
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protected void processHeader(TransferManifestHeader header)
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{
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isSync = header.isSync();
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log.debug("isSync :" + isSync);
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manifestRepositoryId = header.getRepositoryId();
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log.debug("fromRepositoryId:" + manifestRepositoryId);
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}
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/*
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* (non-Javadoc)
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*
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* @see org.alfresco.repo.transfer.manifest.TransferManifestProcessor#startTransferManifest()
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*/
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protected void startManifest()
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{
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//NOOP
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}
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/**
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* @param nodeService
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* the nodeService to set
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*/
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public void setNodeService(NodeService nodeService)
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{
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this.nodeService = nodeService;
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}
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public void setAlienProcessor(AlienProcessor alienProcessor)
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{
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this.alienProcessor = alienProcessor;
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}
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public AlienProcessor getAlienProcessor()
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{
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return alienProcessor;
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}
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/**
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* @param nodeResolver
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* the nodeResolver to set
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*/
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public void setNodeResolver(CorrespondingNodeResolver nodeResolver)
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{
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this.nodeResolver = nodeResolver;
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}
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}
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