Derek Hulley 0fdc397234 Merged V3.4 to HEAD
24070: Merged DEV/BELARUS/V3.4-2010_11_11 to V3.4
      24011: ALF-5618: Webdav with MAC OS X problems - Locking / unlocking creates new versions
   24101: Disabled test and reopened ALF-5618
   24117: Fixed test inter-dependencies on 'excludedOnUpdateProps' for ALF-5618


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@24118 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2010-12-01 12:23:25 +00:00

449 lines
19 KiB
Java

/*
* Copyright (C) 2005-2010 Alfresco Software Limited.
*
* This file is part of Alfresco
*
* 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/>.
*/
package org.alfresco.repo.version;
import java.io.Serializable;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.content.ContentServicePolicies;
import org.alfresco.repo.copy.CopyBehaviourCallback;
import org.alfresco.repo.copy.CopyDetails;
import org.alfresco.repo.copy.CopyServicePolicies;
import org.alfresco.repo.copy.DefaultCopyBehaviourCallback;
import org.alfresco.repo.node.NodeServicePolicies;
import org.alfresco.repo.policy.Behaviour;
import org.alfresco.repo.policy.JavaBehaviour;
import org.alfresco.repo.policy.PolicyComponent;
import org.alfresco.repo.transaction.AlfrescoTransactionSupport;
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.version.Version;
import org.alfresco.service.cmr.version.VersionService;
import org.alfresco.service.namespace.NamespaceService;
import org.alfresco.service.namespace.QName;
import org.alfresco.util.EqualsHelper;
import org.springframework.extensions.surf.util.I18NUtil;
/**
* Class containing behaviour for the versionable aspect
*
* @author Roy Wetherall, janv
*/
public class VersionableAspect implements ContentServicePolicies.OnContentUpdatePolicy,
NodeServicePolicies.OnAddAspectPolicy,
NodeServicePolicies.OnRemoveAspectPolicy,
NodeServicePolicies.OnDeleteNodePolicy,
NodeServicePolicies.OnUpdatePropertiesPolicy,
VersionServicePolicies.AfterCreateVersionPolicy,
CopyServicePolicies.OnCopyNodePolicy
{
/** The i18n'ized messages */
private static final String MSG_INITIAL_VERSION = "create_version.initial_version";
private static final String MSG_AUTO_VERSION = "create_version.auto_version";
private static final String MSG_AUTO_VERSION_PROPS = "create_version.auto_version_props";
/** Transaction resource key */
private static final String KEY_VERSIONED_NODEREFS = "versioned_noderefs";
/** The policy component */
private PolicyComponent policyComponent;
/** The node service */
private NodeService nodeService;
/** The Version service */
private VersionService versionService;
/** Behaviours */
JavaBehaviour onUpdatePropertiesBehaviour;
/**
* Optional list of excluded props
* - only applies if cm:autoVersionOnUpdateProps=true (and cm:autoVersion=true)
* - if any one these props changes then "auto version on prop update" does not occur (even if there are other property changes)
*/
private List<String> excludedOnUpdateProps = Collections.emptyList();
/**
* Set the policy component
*
* @param policyComponent the policy component
*/
public void setPolicyComponent(PolicyComponent policyComponent)
{
this.policyComponent = policyComponent;
}
/**
* Set the version service
*
* @param versionService the version service
*/
public void setVersionService(VersionService versionService)
{
this.versionService = versionService;
}
/**
* Set the node service
*
* @param nodeService the node service
*/
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
/**
* @return Returns the current list of properties that <b>do not</b> trigger versioning
*/
public List<String> getExcludedOnUpdateProps()
{
return excludedOnUpdateProps;
}
/**
* @param excludedOnUpdateProps the list of properties that force versioning to ignore changes
*/
public void setExcludedOnUpdateProps(List<String> excludedOnUpdateProps)
{
this.excludedOnUpdateProps = Collections.unmodifiableList(excludedOnUpdateProps);
}
/**
* Initialise the versionable aspect policies
*/
public void init()
{
this.policyComponent.bindClassBehaviour(
QName.createQName(NamespaceService.ALFRESCO_URI, "onAddAspect"),
ContentModel.ASPECT_VERSIONABLE,
new JavaBehaviour(this, "onAddAspect", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
this.policyComponent.bindClassBehaviour(
QName.createQName(NamespaceService.ALFRESCO_URI, "onRemoveAspect"),
ContentModel.ASPECT_VERSIONABLE,
new JavaBehaviour(this, "onRemoveAspect", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
this.policyComponent.bindClassBehaviour(
QName.createQName(NamespaceService.ALFRESCO_URI, "onDeleteNode"),
ContentModel.ASPECT_VERSIONABLE,
new JavaBehaviour(this, "onDeleteNode", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
this.policyComponent.bindClassBehaviour(
QName.createQName(NamespaceService.ALFRESCO_URI, "afterCreateVersion"),
ContentModel.ASPECT_VERSIONABLE,
new JavaBehaviour(this, "afterCreateVersion", Behaviour.NotificationFrequency.EVERY_EVENT));
this.policyComponent.bindClassBehaviour(
ContentServicePolicies.OnContentUpdatePolicy.QNAME,
ContentModel.ASPECT_VERSIONABLE,
new JavaBehaviour(this, "onContentUpdate", Behaviour.NotificationFrequency.TRANSACTION_COMMIT));
onUpdatePropertiesBehaviour = new JavaBehaviour(this, "onUpdateProperties", Behaviour.NotificationFrequency.TRANSACTION_COMMIT);
this.policyComponent.bindClassBehaviour(
QName.createQName(NamespaceService.ALFRESCO_URI, "onUpdateProperties"),
ContentModel.ASPECT_VERSIONABLE,
onUpdatePropertiesBehaviour);
this.policyComponent.bindClassBehaviour(
QName.createQName(NamespaceService.ALFRESCO_URI, "getCopyCallback"),
ContentModel.ASPECT_VERSIONABLE,
new JavaBehaviour(this, "getCopyCallback"));
}
/**
* @see org.alfresco.repo.node.NodeServicePolicies.OnDeleteNodePolicy#onDeleteNode(org.alfresco.service.cmr.repository.ChildAssociationRef, boolean)
*/
public void onDeleteNode(ChildAssociationRef childAssocRef, boolean isNodeArchived)
{
if (isNodeArchived == false)
{
// If we are perminantly deleting the node then we need to remove the associated version history
this.versionService.deleteVersionHistory(childAssocRef.getChildRef());
}
// otherwise we do nothing since we need to hold onto the version history in case the node is restored later
}
/**
* @return Returns the {@link VersionableAspectCopyBehaviourCallback}
*/
public CopyBehaviourCallback getCopyCallback(QName classRef, CopyDetails copyDetails)
{
return VersionableAspectCopyBehaviourCallback.INSTANCE;
}
/**
* Copy behaviour for the <b>cm:versionable</b> aspect
*
* @author Derek Hulley
* @since 3.2
*/
private static class VersionableAspectCopyBehaviourCallback extends DefaultCopyBehaviourCallback
{
private static final CopyBehaviourCallback INSTANCE = new VersionableAspectCopyBehaviourCallback();
/**
* Copy the aspect, but only the {@link ContentModel#PROP_AUTO_VERSION} and {@link ContentModel#PROP_AUTO_VERSION_PROPS} properties
*/
@Override
public Map<QName, Serializable> getCopyProperties(
QName classQName,
CopyDetails copyDetails,
Map<QName, Serializable> properties)
{
Serializable value1 = properties.get(ContentModel.PROP_AUTO_VERSION);
Serializable value2 = properties.get(ContentModel.PROP_AUTO_VERSION_PROPS);
if ((value1 != null) || (value2 != null))
{
Map<QName, Serializable> newProperties = new HashMap<QName, Serializable>(2);
if (value1 != null)
{
newProperties.put(ContentModel.PROP_AUTO_VERSION, value1);
}
if (value2 != null)
{
newProperties.put(ContentModel.PROP_AUTO_VERSION_PROPS, value2);
}
return newProperties;
}
else
{
return Collections.emptyMap();
}
}
}
/**
* On add aspect policy behaviour
*
* @param nodeRef
* @param aspectTypeQName
*/
public void onAddAspect(NodeRef nodeRef, QName aspectTypeQName)
{
if (this.nodeService.exists(nodeRef) == true && aspectTypeQName.equals(ContentModel.ASPECT_VERSIONABLE) == true)
{
boolean initialVersion = true;
Boolean value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_INITIAL_VERSION);
if (value != null)
{
initialVersion = value.booleanValue();
}
// else this means that the default value has not been set the versionable aspect we applied pre-1.2
if (initialVersion == true)
{
@SuppressWarnings("unchecked")
Map<NodeRef, NodeRef> versionedNodeRefs = (Map<NodeRef, NodeRef>) AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
if (versionedNodeRefs == null || versionedNodeRefs.containsKey(nodeRef) == false)
{
// Create the initial-version
Map<String, Serializable> versionProperties = new HashMap<String, Serializable>(1);
versionProperties.put(Version.PROP_DESCRIPTION, I18NUtil.getMessage(MSG_INITIAL_VERSION));
createVersionImpl(nodeRef, versionProperties);
}
}
}
}
/**
* @see org.alfresco.repo.node.NodeServicePolicies.OnRemoveAspectPolicy#onRemoveAspect(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName)
*/
public void onRemoveAspect(NodeRef nodeRef, QName aspectTypeQName)
{
// When the versionable aspect is removed from a node, then delete the associated version history
this.versionService.deleteVersionHistory(nodeRef);
}
/**
* On content update policy behaviour
*
* If applicable and "cm:autoVersion" is TRUE then version the node on content update (even if no property updates)
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public void onContentUpdate(NodeRef nodeRef, boolean newContent)
{
if (this.nodeService.exists(nodeRef) == true &&
this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == true &&
this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_TEMPORARY) == false)
{
Map<NodeRef, NodeRef> versionedNodeRefs = (Map)AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
if (versionedNodeRefs == null || versionedNodeRefs.containsKey(nodeRef) == false)
{
// Determine whether the node is auto versionable (for content updates) or not
boolean autoVersion = false;
Boolean value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_AUTO_VERSION);
if (value != null)
{
// If the value is not null then
autoVersion = value.booleanValue();
}
// else this means that the default value has not been set and the versionable aspect was applied pre-1.1
if (autoVersion == true)
{
// Create the auto-version
Map<String, Serializable> versionProperties = new HashMap<String, Serializable>(1);
versionProperties.put(Version.PROP_DESCRIPTION, I18NUtil.getMessage(MSG_AUTO_VERSION));
createVersionImpl(nodeRef, versionProperties);
}
}
}
}
/**
* On update properties policy behaviour
*
* If applicable and "cm:autoVersionOnUpdateProps" is TRUE then version the node on properties update (even if no content updates)
*
* @since 3.2
*/
@SuppressWarnings({ "unchecked", "rawtypes" })
public void onUpdateProperties(
NodeRef nodeRef,
Map<QName, Serializable> before,
Map<QName, Serializable> after)
{
if ((this.nodeService.exists(nodeRef) == true) &&
(this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_VERSIONABLE) == true) &&
(this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_TEMPORARY) == false) &&
(this.nodeService.hasAspect(nodeRef, ContentModel.ASPECT_LOCKABLE) == false))
{
onUpdatePropertiesBehaviour.disable();
try
{
Map<NodeRef, NodeRef> versionedNodeRefs = (Map)AlfrescoTransactionSupport.getResource(KEY_VERSIONED_NODEREFS);
if (versionedNodeRefs == null || versionedNodeRefs.containsKey(nodeRef) == false)
{
// Determine whether the node is auto versionable (for property only updates) or not
boolean autoVersion = false;
Boolean value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_AUTO_VERSION);
if (value != null)
{
// If the value is not null then
autoVersion = value.booleanValue();
}
boolean autoVersionProps = false;
value = (Boolean)this.nodeService.getProperty(nodeRef, ContentModel.PROP_AUTO_VERSION_PROPS);
if (value != null)
{
// If the value is not null then
autoVersionProps = value.booleanValue();
}
if ((autoVersion == true) && (autoVersionProps == true))
{
// 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)
if (excludedOnUpdateProps.size() > 0)
{
Map<String, QName> propNames = new HashMap<String, QName>(after.size());
for (QName afterProp : after.keySet())
{
if (excludedOnUpdateProps.contains(afterProp.getPrefixString()))
{
propNames.put(afterProp.getPrefixString(), afterProp);
}
}
for (QName beforeProp : before.keySet())
{
if (excludedOnUpdateProps.contains(beforeProp.getPrefixString()))
{
propNames.put(beforeProp.getPrefixString(), beforeProp);
}
}
if (propNames.size() > 0)
{
for (QName prop : propNames.values())
{
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>(1);
versionProperties.put(Version.PROP_DESCRIPTION, I18NUtil.getMessage(MSG_AUTO_VERSION_PROPS));
createVersionImpl(nodeRef, versionProperties);
}
}
}
finally
{
onUpdatePropertiesBehaviour.enable();
}
}
}
/**
* On create version implementation method
*
* @param nodeRef
* @param versionProperties
*/
private void createVersionImpl(NodeRef nodeRef, Map<String, Serializable> versionProperties)
{
recordCreateVersion(nodeRef, null);
this.versionService.createVersion(nodeRef, versionProperties);
}
/**
* @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);
}
}