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VS2 - version store refactor (merged from DEV/VS2 to HEAD)
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@10574 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Jan Vonka
210
source/java/org/alfresco/repo/version/Node2ServiceImpl.java
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210
source/java/org/alfresco/repo/version/Node2ServiceImpl.java
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/*
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* Copyright (C) 2005-2008 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.version;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.alfresco.model.ContentModel;
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import org.alfresco.repo.version.common.VersionUtil;
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import org.alfresco.service.cmr.repository.AssociationRef;
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import org.alfresco.service.cmr.repository.ChildAssociationRef;
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import org.alfresco.service.cmr.repository.InvalidNodeRefException;
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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.StoreRef;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.service.namespace.QNamePattern;
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/**
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* The version2 store node service implementation
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*/
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public class Node2ServiceImpl extends NodeServiceImpl implements NodeService, Version2Model
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{
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/**
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* The name of the spoofed root association
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*/
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private static final QName rootAssocName = QName.createQName(Version2Model.NAMESPACE_URI, "versionedState");
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/**
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* Type translation for version store
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*/
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public QName getType(NodeRef nodeRef) throws InvalidNodeRefException
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getType(nodeRef);
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}
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// frozen node type -> replaced by actual node type of the version node
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return (QName)this.dbNodeService.getType(VersionUtil.convertNodeRef(nodeRef));
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}
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/**
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* Translation for version store
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*/
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public Set<QName> getAspects(NodeRef nodeRef) throws InvalidNodeRefException
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getAspects(nodeRef);
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}
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Set<QName> aspects = this.dbNodeService.getAspects(VersionUtil.convertNodeRef(nodeRef));
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aspects.remove(Version2Model.ASPECT_VERSION);
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return aspects;
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}
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/**
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* Property translation for version store
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*/
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public Map<QName, Serializable> getProperties(NodeRef nodeRef) throws InvalidNodeRefException
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getProperties(nodeRef);
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}
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Map<QName, Serializable> props = dbNodeService.getProperties(VersionUtil.convertNodeRef(nodeRef));
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VersionUtil.convertFrozenToOriginalProps(props);
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return props;
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}
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/**
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* Property translation for version store
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*/
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public Serializable getProperty(NodeRef nodeRef, QName qname) throws InvalidNodeRefException
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getProperty(nodeRef, qname);
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}
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// TODO optimise - get property directly and convert if needed
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Map<QName, Serializable> properties = getProperties(VersionUtil.convertNodeRef(nodeRef));
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return properties.get(qname);
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}
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/**
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* The node will apprear to be attached to the root of the version store
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*
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* @see NodeService#getParentAssocs(NodeRef, QNamePattern, QNamePattern)
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*/
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public List<ChildAssociationRef> getParentAssocs(NodeRef nodeRef, QNamePattern typeQNamePattern, QNamePattern qnamePattern)
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getParentAssocs(nodeRef, typeQNamePattern, qnamePattern);
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}
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List<ChildAssociationRef> result = new ArrayList<ChildAssociationRef>();
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if (qnamePattern.isMatch(rootAssocName) == true)
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{
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result.add(new ChildAssociationRef(
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ContentModel.ASSOC_CHILDREN,
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dbNodeService.getRootNode(new StoreRef(StoreRef.PROTOCOL_WORKSPACE, Version2Model.STORE_ID)),
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rootAssocName,
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nodeRef));
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}
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return result;
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}
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/**
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* Performs conversion from version store properties to <i>real</i> associations
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*/
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public List<ChildAssociationRef> getChildAssocs(NodeRef nodeRef, QNamePattern typeQNamePattern, QNamePattern qnamePattern) throws InvalidNodeRefException
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getChildAssocs(nodeRef, typeQNamePattern, qnamePattern);
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}
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// Get the child assocs from the version store
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List<ChildAssociationRef> childAssocRefs = this.dbNodeService.getChildAssocs(
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VersionUtil.convertNodeRef(nodeRef),
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typeQNamePattern, qnamePattern);
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List<ChildAssociationRef> result = new ArrayList<ChildAssociationRef>(childAssocRefs.size());
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for (ChildAssociationRef childAssocRef : childAssocRefs)
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{
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// Get the child reference
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NodeRef childRef = childAssocRef.getChildRef();
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NodeRef referencedNode = (NodeRef)this.dbNodeService.getProperty(childRef, ContentModel.PROP_REFERENCE);
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// Build a child assoc ref to add to the returned list
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ChildAssociationRef newChildAssocRef = new ChildAssociationRef(
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childAssocRef.getTypeQName(),
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childAssocRef.getParentRef(),
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childAssocRef.getQName(),
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referencedNode,
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childAssocRef.isPrimary(),
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childAssocRef.getNthSibling());
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result.add(newChildAssocRef);
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}
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// sort the results so that the order appears to be exactly as it was originally
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Collections.sort(result);
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return result;
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}
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/**
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* Simulates the node begin attached to the root node of the version store.
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*/
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public ChildAssociationRef getPrimaryParent(NodeRef nodeRef) throws InvalidNodeRefException
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{
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if (nodeRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getPrimaryParent(nodeRef);
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}
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return new ChildAssociationRef(
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ContentModel.ASSOC_CHILDREN,
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dbNodeService.getRootNode(new StoreRef(StoreRef.PROTOCOL_WORKSPACE, Version2Model.STORE_ID)),
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rootAssocName,
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nodeRef);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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@Override
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public List<AssociationRef> getTargetAssocs(NodeRef sourceRef, QNamePattern qnamePattern)
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{
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if (sourceRef.getStoreRef().getIdentifier().equals(VersionModel.STORE_ID))
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{
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return super.getTargetAssocs(sourceRef, qnamePattern);
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}
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// This operation is not supported for a version2 store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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}
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