mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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186b7f3431
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@55164 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
610 lines
24 KiB
Java
610 lines
24 KiB
Java
/*
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* Copyright (C) 2005-2012 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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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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*/
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package org.alfresco.repo.version;
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import java.io.Serializable;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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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.content.ContentServicePolicies;
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import org.alfresco.repo.copy.CopyBehaviourCallback;
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import org.alfresco.repo.copy.CopyDetails;
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import org.alfresco.repo.copy.CopyServicePolicies;
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import org.alfresco.repo.copy.DefaultCopyBehaviourCallback;
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import org.alfresco.repo.dictionary.DictionaryDAO;
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import org.alfresco.repo.dictionary.DictionaryListener;
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import org.alfresco.repo.lock.LockUtils;
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import org.alfresco.repo.node.NodeServicePolicies;
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import org.alfresco.repo.node.NodeServicePolicies.OnUpdatePropertiesPolicy;
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import org.alfresco.repo.policy.Behaviour;
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import org.alfresco.repo.policy.JavaBehaviour;
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import org.alfresco.repo.policy.PolicyComponent;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
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import org.alfresco.repo.transaction.AlfrescoTransactionSupport;
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import org.alfresco.service.cmr.lock.LockService;
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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.version.Version;
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import org.alfresco.service.cmr.version.VersionService;
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import org.alfresco.service.cmr.version.VersionType;
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import org.alfresco.service.namespace.NamespacePrefixResolver;
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import org.alfresco.service.namespace.NamespaceService;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.util.EqualsHelper;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.extensions.surf.util.I18NUtil;
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/**
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* Class containing behaviour for the versionable aspect
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*
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* @author Roy Wetherall, janv
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*/
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public class VersionableAspect implements ContentServicePolicies.OnContentUpdatePolicy,
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NodeServicePolicies.BeforeAddAspectPolicy,
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NodeServicePolicies.OnAddAspectPolicy,
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NodeServicePolicies.OnRemoveAspectPolicy,
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NodeServicePolicies.OnDeleteNodePolicy,
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NodeServicePolicies.OnUpdatePropertiesPolicy,
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VersionServicePolicies.AfterCreateVersionPolicy,
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CopyServicePolicies.OnCopyNodePolicy,
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DictionaryListener
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{
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protected static Log logger = LogFactory.getLog(VersionableAspect.class);
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/** The i18n'ized messages */
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private static final String MSG_INITIAL_VERSION = "create_version.initial_version";
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private static final String MSG_AUTO_VERSION = "create_version.auto_version";
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private static final String MSG_AUTO_VERSION_PROPS = "create_version.auto_version_props";
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/** Transaction resource key */
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private static final String KEY_VERSIONED_NODEREFS = "versioned_noderefs";
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/** The policy component */
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private PolicyComponent policyComponent;
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/** The node service */
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private NodeService nodeService;
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private LockService lockService;
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/** The Version service */
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private VersionService versionService;
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/** The dictionary DAO. */
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private DictionaryDAO dictionaryDAO;
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/** The Namespace Prefix Resolver. */
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private NamespacePrefixResolver namespacePrefixResolver;
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/** Behaviours */
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JavaBehaviour onUpdatePropertiesBehaviour;
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/**
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* Optional list of excluded props
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* - only applies if cm:autoVersionOnUpdateProps=true (and cm:autoVersion=true)
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* - if any one these props changes then "auto version on prop update" does not occur (even if there are other property changes)
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*/
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private List<String> excludedOnUpdateProps = Collections.emptyList();
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private Set<QName> excludedOnUpdatePropQNames = Collections.emptySet();
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/** flag indicating whether auto-versioning should be enabled or not */
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private boolean enableAutoVersioning = true;
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/**
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* Set the policy component
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*
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* @param policyComponent the policy component
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*/
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public void setPolicyComponent(PolicyComponent policyComponent)
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{
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this.policyComponent = policyComponent;
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}
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/**
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* Set the version service
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*
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* @param versionService the version service
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*/
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public void setVersionService(VersionService versionService)
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{
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this.versionService = versionService;
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}
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/**
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* Set the node service
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*
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* @param nodeService the node service
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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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/**
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* Set the lock service
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*
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* @param lockService the lock service
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*/
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public void setLockService(LockService lockService)
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{
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this.lockService = lockService;
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}
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/**
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* Sets the dictionary DAO.
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*
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* @param dictionaryDAO
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* the dictionary DAO
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*/
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public void setDictionaryDAO(DictionaryDAO dictionaryDAO)
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{
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this.dictionaryDAO = dictionaryDAO;
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}
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/**
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* Sets the namespace prefix resolver.
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*
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* @param namespacePrefixResolver
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* the namespace prefix resolver
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*/
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public void setNamespacePrefixResolver(NamespacePrefixResolver namespacePrefixResolver)
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{
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this.namespacePrefixResolver = namespacePrefixResolver;
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}
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/**
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* @return Returns the current list of properties that <b>do not</b> trigger versioning
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*/
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public List<String> getExcludedOnUpdateProps()
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{
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return excludedOnUpdateProps;
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}
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/**
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* @param excludedOnUpdateProps the list of properties that force versioning to ignore changes
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*/
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public void setExcludedOnUpdateProps(List<String> excludedOnUpdateProps)
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{
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this.excludedOnUpdateProps = Collections.unmodifiableList(excludedOnUpdateProps);
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}
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/**
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* Set whether the aspect-associated behaviour should be enabled or disabled. This is only used
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* during {@link #init() initialization}.
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*
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* @param enableAutoVersioning <tt>true</tt> to enable the aspect behaviour otherwise <tt>false</tt>
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*/
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public void setEnableAutoVersioning(boolean enableAutoVersioning)
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{
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this.enableAutoVersioning = enableAutoVersioning;
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}
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/**
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* Initialise the versionable aspect policies
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*/
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public void init()
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{
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if (!enableAutoVersioning)
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{
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return;
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}
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "beforeAddAspect"),
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "beforeAddAspect", Behaviour.NotificationFrequency.EVERY_EVENT));
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onAddAspect"),
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "onAddAspect", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onRemoveAspect"),
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "onRemoveAspect", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "onDeleteNode"),
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "onDeleteNode", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "afterCreateVersion"),
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "afterCreateVersion", Behaviour.NotificationFrequency.EVERY_EVENT));
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this.policyComponent.bindClassBehaviour(
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ContentServicePolicies.OnContentUpdatePolicy.QNAME,
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "onContentUpdate", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
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onUpdatePropertiesBehaviour = new JavaBehaviour(this, "onUpdateProperties", Behaviour.NotificationFrequency.TRANSACTION_COMMIT);
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this.policyComponent.bindClassBehaviour(
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OnUpdatePropertiesPolicy.QNAME,
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ContentModel.ASPECT_VERSIONABLE,
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onUpdatePropertiesBehaviour);
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this.policyComponent.bindClassBehaviour(
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QName.createQName(NamespaceService.ALFRESCO_URI, "getCopyCallback"),
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ContentModel.ASPECT_VERSIONABLE,
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new JavaBehaviour(this, "getCopyCallback"));
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this.dictionaryDAO.register(this);
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}
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/**
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* @see org.alfresco.repo.node.NodeServicePolicies.OnDeleteNodePolicy#onDeleteNode(org.alfresco.service.cmr.repository.ChildAssociationRef, boolean)
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*/
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public void onDeleteNode(ChildAssociationRef childAssocRef, boolean isNodeArchived)
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{
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if (isNodeArchived == false)
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{
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// If we are perminantly deleting the node then we need to remove the associated version history
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this.versionService.deleteVersionHistory(childAssocRef.getChildRef());
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}
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// otherwise we do nothing since we need to hold onto the version history in case the node is restored later
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}
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/**
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* @return Returns the {@link VersionableAspectCopyBehaviourCallback}
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*/
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public CopyBehaviourCallback getCopyCallback(QName classRef, CopyDetails copyDetails)
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{
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return VersionableAspectCopyBehaviourCallback.INSTANCE;
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}
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/**
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* Copy behaviour for the <b>cm:versionable</b> aspect
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*
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* @author Derek Hulley
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* @since 3.2
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*/
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private static class VersionableAspectCopyBehaviourCallback extends DefaultCopyBehaviourCallback
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{
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private static final CopyBehaviourCallback INSTANCE = new VersionableAspectCopyBehaviourCallback();
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/**
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* Copy the aspect, but only the {@link ContentModel#PROP_AUTO_VERSION} and {@link ContentModel#PROP_AUTO_VERSION_PROPS} properties
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*/
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@Override
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public Map<QName, Serializable> getCopyProperties(
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QName classQName,
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CopyDetails copyDetails,
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Map<QName, Serializable> properties)
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{
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Serializable value1 = properties.get(ContentModel.PROP_AUTO_VERSION);
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Serializable value2 = properties.get(ContentModel.PROP_AUTO_VERSION_PROPS);
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if ((value1 != null) || (value2 != null))
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{
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Map<QName, Serializable> newProperties = new HashMap<QName, Serializable>(2);
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if (value1 != null)
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{
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newProperties.put(ContentModel.PROP_AUTO_VERSION, value1);
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}
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if (value2 != null)
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{
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newProperties.put(ContentModel.PROP_AUTO_VERSION_PROPS, value2);
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}
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return newProperties;
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}
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else
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{
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return Collections.emptyMap();
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}
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}
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}
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/**
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* Before add aspect policy behaviour
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*
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* @param nodeRef
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* @param aspectTypeQName
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*/
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public void beforeAddAspect(final NodeRef nodeRef, QName aspectTypeQName)
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{
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AuthenticationUtil.runAsSystem(new RunAsWork<Void>()
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{
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@Override
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public Void doWork() throws Exception
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{
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if (nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == false
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&& versionService.getVersionHistory(nodeRef) != null)
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{
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versionService.deleteVersionHistory(nodeRef);
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logger.warn("The version history of node " + nodeRef
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+ " that doesn't have versionable aspect was deleted");
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}
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return null;
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}
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});
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}
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/**
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* On add aspect policy behaviour
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*
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* @param nodeRef
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* @param aspectTypeQName
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*/
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public void onAddAspect(NodeRef nodeRef, QName aspectTypeQName)
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{
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if (this.nodeService.exists(nodeRef) == true
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&& this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == true
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&& aspectTypeQName.equals(ContentModel.ASPECT_VERSIONABLE) == true)
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{
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boolean initialVersion = true;
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Boolean value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_INITIAL_VERSION);
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if (value != null)
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{
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initialVersion = value.booleanValue();
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}
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// else this means that the default value has not been set the versionable aspect we applied pre-1.2
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if (initialVersion == true)
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{
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@SuppressWarnings("unchecked")
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Map<NodeRef, NodeRef> versionedNodeRefs = (Map<NodeRef, NodeRef>) AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
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if (versionedNodeRefs == null || versionedNodeRefs.containsKey(nodeRef) == false)
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{
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// Create the initial-version
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Map<String, Serializable> versionProperties = new HashMap<String, Serializable>(1);
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// If a major version is requested, indicate it in the versionProperties map
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String versionType = (String) nodeService.getProperty(nodeRef, ContentModel.PROP_VERSION_TYPE);
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if (versionType == null || !versionType.equals(VersionType.MINOR.toString()))
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{
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versionProperties.put(VersionModel.PROP_VERSION_TYPE, VersionType.MAJOR);
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}
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versionProperties.put(Version.PROP_DESCRIPTION, I18NUtil.getMessage(MSG_INITIAL_VERSION));
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createVersionImpl(nodeRef, versionProperties);
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}
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}
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}
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}
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/**
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* @see org.alfresco.repo.node.NodeServicePolicies.OnRemoveAspectPolicy#onRemoveAspect(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName)
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*/
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public void onRemoveAspect(NodeRef nodeRef, QName aspectTypeQName)
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{
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// When the versionable aspect is removed from a node, then delete the associated version history
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this.versionService.deleteVersionHistory(nodeRef);
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}
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/**
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* On content update policy behaviour
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*
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* If applicable and "cm:autoVersion" is TRUE then version the node on content update (even if no property updates)
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*/
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@SuppressWarnings({ "unchecked", "rawtypes" })
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public void onContentUpdate(NodeRef nodeRef, boolean newContent)
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{
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if (this.nodeService.exists(nodeRef) == true &&
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this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == true &&
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this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_TEMPORARY) == false)
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{
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Map<NodeRef, NodeRef> versionedNodeRefs = (Map)AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
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if (versionedNodeRefs == null || versionedNodeRefs.containsKey(nodeRef) == false)
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{
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// Determine whether the node is auto versionable (for content updates) or not
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boolean autoVersion = false;
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Boolean value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_AUTO_VERSION);
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if (value != null)
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{
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// If the value is not null then
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autoVersion = value.booleanValue();
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}
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// else this means that the default value has not been set and the versionable aspect was applied pre-1.1
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if (autoVersion == true)
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{
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// Create the auto-version
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Map<String, Serializable> versionProperties = new HashMap<String, Serializable>(1);
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versionProperties.put(Version.PROP_DESCRIPTION, I18NUtil.getMessage(MSG_AUTO_VERSION));
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createVersionImpl(nodeRef, versionProperties);
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}
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}
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}
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}
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/**
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* On update properties policy behaviour
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*
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* If applicable and "cm:autoVersionOnUpdateProps" is TRUE then version the node on properties update (even if no content updates)
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*
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* @since 3.2
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*/
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@SuppressWarnings({ "unchecked", "rawtypes" })
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public void onUpdateProperties(
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NodeRef nodeRef,
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Map<QName, Serializable> before,
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Map<QName, Serializable> after)
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{
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if ((this.nodeService.exists(nodeRef) == true) &&
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!LockUtils.isLockedAndReadOnly(nodeRef, lockService) &&
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(this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == true) &&
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(this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_TEMPORARY) == false))
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{
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onUpdatePropertiesBehaviour.disable();
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try
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{
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Map<NodeRef, NodeRef> versionedNodeRefs = (Map)AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
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if (versionedNodeRefs == null || versionedNodeRefs.containsKey(nodeRef) == false)
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{
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// Determine whether the node is auto versionable (for property only updates) or not
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boolean autoVersion = false;
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Boolean value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_AUTO_VERSION);
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if (value != null)
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{
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// If the value is not null then
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autoVersion = value.booleanValue();
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}
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boolean autoVersionProps = false;
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value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_AUTO_VERSION_PROPS);
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if (value != null)
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{
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// If the value is not null then
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autoVersionProps = value.booleanValue();
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}
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if ((autoVersion == true) && (autoVersionProps == true))
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{
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// Check for explicitly excluded props - if one or more excluded props changes then do not auto-version on this event (even if other props changed)
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if (excludedOnUpdatePropQNames.size() > 0)
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{
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Set<QName> propNames = new HashSet<QName>(after.size() * 2);
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propNames.addAll(after.keySet());
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propNames.addAll(before.keySet());
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propNames.retainAll(excludedOnUpdatePropQNames);
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if (propNames.size() > 0)
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{
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for (QName prop : propNames)
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|
{
|
|
Serializable beforeValue = before.get(prop);
|
|
Serializable afterValue = after.get(prop);
|
|
|
|
if (EqualsHelper.nullSafeEquals(beforeValue, afterValue) != true)
|
|
{
|
|
// excluded - do not version
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
// drop through and auto-version
|
|
}
|
|
|
|
// Create the auto-version
|
|
Map<String, Serializable> versionProperties = new HashMap<String, Serializable>(4);
|
|
versionProperties.put(Version.PROP_DESCRIPTION, I18NUtil.getMessage(MSG_AUTO_VERSION_PROPS));
|
|
versionProperties.put(VersionModel.PROP_VERSION_TYPE, VersionType.MINOR);
|
|
|
|
createVersionImpl(nodeRef, versionProperties);
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
onUpdatePropertiesBehaviour.enable();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* On create version implementation method
|
|
*
|
|
* @param nodeRef
|
|
* @param versionProperties
|
|
*/
|
|
private void createVersionImpl(NodeRef nodeRef, Map<String, Serializable> versionProperties)
|
|
{
|
|
final VersionService vs = this.versionService;
|
|
final NodeRef nf = nodeRef;
|
|
final Map<String, Serializable> vp = versionProperties;
|
|
|
|
AuthenticationUtil.runAs(new RunAsWork<Void>() {
|
|
|
|
@Override
|
|
public Void doWork() throws Exception {
|
|
recordCreateVersion(nf, null);
|
|
vs.createVersion(nf, vp);
|
|
return null;
|
|
}
|
|
},AuthenticationUtil.getRunAsUser());
|
|
|
|
}
|
|
|
|
/**
|
|
* @see org.alfresco.repo.version.VersionServicePolicies.OnCreateVersionPolicy#onCreateVersion(org.alfresco.service.namespace.QName, org.alfresco.service.cmr.repository.NodeRef, java.util.Map, org.alfresco.repo.policy.PolicyScope)
|
|
*/
|
|
public void afterCreateVersion(NodeRef versionableNode, Version version)
|
|
{
|
|
recordCreateVersion(versionableNode, version);
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private void recordCreateVersion(NodeRef versionableNode, Version version)
|
|
{
|
|
Map<NodeRef, NodeRef> versionedNodeRefs = (Map<NodeRef, NodeRef>)AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
|
|
if (versionedNodeRefs == null)
|
|
{
|
|
versionedNodeRefs = new HashMap<NodeRef, NodeRef>();
|
|
AlfrescoTransactionSupport.bindResource(KEY_VERSIONED_NODEREFS, versionedNodeRefs);
|
|
}
|
|
versionedNodeRefs.put(versionableNode, versionableNode);
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see org.alfresco.repo.dictionary.DictionaryListener#onDictionaryInit()
|
|
*/
|
|
@Override
|
|
public void onDictionaryInit()
|
|
{
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see org.alfresco.repo.dictionary.DictionaryListener#afterDictionaryInit()
|
|
*/
|
|
@Override
|
|
public void afterDictionaryInit()
|
|
{
|
|
this.excludedOnUpdatePropQNames = new HashSet<QName>(this.excludedOnUpdateProps.size() * 2);
|
|
for (String prefixString : this.excludedOnUpdateProps)
|
|
{
|
|
try
|
|
{
|
|
this.excludedOnUpdatePropQNames.add(QName.createQName(prefixString, this.namespacePrefixResolver));
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
// An unregistered prefix. Ignore and continue
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* (non-Javadoc)
|
|
* @see org.alfresco.repo.dictionary.DictionaryListener#afterDictionaryDestroy()
|
|
*/
|
|
@Override
|
|
public void afterDictionaryDestroy()
|
|
{
|
|
}
|
|
}
|