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53e420e2a0
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@20636 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
206 lines
8.6 KiB
Java
206 lines
8.6 KiB
Java
/*
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* Copyright (C) 2005-2010 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.service.cmr.rendition;
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import java.util.List;
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import org.alfresco.repo.rendition.RenditionDefinitionPersister;
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import org.alfresco.service.PublicService;
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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.namespace.QName;
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import org.alfresco.service.Auditable;
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import org.alfresco.service.NotAuditable;
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/**
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* The Rendition service.
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* @author Nick Smith
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* @author Neil McErlean
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*/
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@PublicService
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public interface RenditionService extends RenditionDefinitionPersister
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{
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/**
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* This optional {@link NodeRef} parameter specifies an existing {@link NodeRef} to use
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* as the rendition node. Properties on this node (including the content
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* property cm:content) will be updated as required but the location and
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* name of the node will not change. This parameter takes precedence over
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* PARAM_DESTINATION_PATH_TEMPLATE.
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*/
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public static final String PARAM_DESTINATION_NODE = "rendition-destination-node";
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/**
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* This optional {@link String} parameter indicates where the rendition will be
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* created. The parameter may specify either the actual file path to the
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* rendition or it may specify a Freemarker template which can be resolved
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* to a file path. In either case the path is relative to the root node of
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* the store in which the source node exists. If the parameter
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* PARAM_DESTINATION_NODE has been set then this parameter will be ignored.
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*/
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public static final String PARAM_DESTINATION_PATH_TEMPLATE = "destination-path-template";
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/**
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* This optional {@link QName} parameter specifies what the node type of the created rendition will
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* be. If no type is specified then this defaults to cm:content.
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*/
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public static final String PARAM_RENDITION_NODETYPE = "rendition-nodetype";
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/**
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* This optional {@link Boolean} flag parameter determines whether an
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* existing rendition is moved or orphaned. If the source node already has a
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* rendition and this parameter is <code>false</code> the old rendition will
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* be moved to the new destination location and updated appropriately. If
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* this parameter is set to <code>true</code> then the old rendition will be
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* left in its current location and the rold rendition association from the
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* source node to the old rendition will be deleted.
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*/
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public static final String PARAM_ORPHAN_EXISTING_RENDITION = "orphan-existing-rendition";
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/**
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* Returns the {@link RenderingEngineDefinition} associated with the
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* specified rendering engine name.
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*
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* @param name The rendering engine name.
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* @return The {@link RenderingEngineDefinition} or null.
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*/
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@NotAuditable
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RenderingEngineDefinition getRenderingEngineDefinition(String name);
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/**
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* @return A {@link List} of all available {@link RenderingEngineDefinition}
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* s.
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*/
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@NotAuditable
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List<RenderingEngineDefinition> getRenderingEngineDefinitions();
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/**
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* Creates a new {@link RenditionDefinition} and sets the rendition name and
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* the rendering engine name to the specified values.
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*
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* @param renditionName A unique identifier used to specify the created
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* {@link RenditionDefinition}.
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* @param renderingEngineName The name of the rendering engine associated
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* with this {@link RenditionDefinition}.
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* @return the created {@link RenditionDefinition}.
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*/
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@NotAuditable
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RenditionDefinition createRenditionDefinition(QName renditionName, String renderingEngineName);
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/**
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* Creates a new {@link CompositeRenditionDefinition} and sets the rendition
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* name and the rendering engine name to the specified values.
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*
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* @param renditionName A unique identifier used to specify the created
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* {@link RenditionDefinition}.
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* @return the created {@link CompositeRenditionDefinition}.
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*/
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@NotAuditable
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CompositeRenditionDefinition createCompositeRenditionDefinition(QName renditionName);
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/**
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* This method gets all the renditions of the specified node.
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*
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* @return a list of ChildAssociationRefs which link the source node to the
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* renditions.
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*/
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@NotAuditable
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List<ChildAssociationRef> getRenditions(NodeRef node);
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/**
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* This method gets all the renditions of the specified node filtered by
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* MIME-type prefix. Renditions whose MIME-type string startsWith the prefix
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* will be returned.
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*
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* @param node the source node for the renditions
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* @param mimeTypePrefix a prefix to check against the rendition MIME-types.
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* This must not be null and must not be an empty String
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* @return a list of ChildAssociationRefs which link the source node to the
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* filtered renditions.
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*/
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@NotAuditable
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List<ChildAssociationRef> getRenditions(NodeRef node, String mimeTypePrefix);
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/**
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* This method gets the rendition of the specified node identified by
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* the provided rendition name.
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*
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* @param node the source node for the renditions
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* @param renditionName the renditionName used to identify a rendition.
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* @return the ChildAssociationRef which links the source node to the
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* rendition or <code>null</code> if there is no such rendition.
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*/
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@NotAuditable
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ChildAssociationRef getRenditionByName(NodeRef node, QName renditionName);
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/**
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* This method returns <code>true</code> if the specified NodeRef is a valid
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* rendition node, else <code>false</code>. A nodeRef is a rendition node
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* if it has the rn:rendition aspect (or sub-aspect) applied.
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*
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* @param node
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* @return <code>true</code> if a rendition, else <code>false</code>
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*/
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@NotAuditable
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boolean isRendition(NodeRef node);
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/**
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* This method gets the source node for the specified rendition node. There
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* should only be one source node for any given rendition node.
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*
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* @param renditionNode the nodeRef holding the rendition.
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* @return the ChildAssociationRef whose parentNodeRef is the source node, or
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* <code>null</code> if there is no source node.
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*
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* @see RenditionService#isRendition(NodeRef)
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*/
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@NotAuditable
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ChildAssociationRef getSourceNode(NodeRef renditionNode);
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/**
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* This method synchronously renders content as specified by the given
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* {@link RenditionDefinition}. The content to be rendered is provided by
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* the specified source node.
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*
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* @param sourceNode the node from which the content is retrieved.
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* @param renditionDefinition this fully specifies the rendition which is to
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* be performed.
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* @return a child association reference which is the link from the source
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* node to the newly rendered content.
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* @throws RenditionServiceException if there is a problem in rendering the
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* given sourceNode
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*/
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@NotAuditable
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ChildAssociationRef render(NodeRef sourceNode, RenditionDefinition renditionDefinition);
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/**
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* This method asynchronously renders content as specified by the given
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* {@link RenditionDefinition}. The content to be rendered is provided by
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* the specified source node.
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*
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* @param sourceNode the node from which the content is retrieved.
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* @param renditionDefinition this fully specifies the rendition which is to
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* be performed.
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* @param callback a callback object to handle the ultimate result of the rendition.
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*/
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@NotAuditable
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void render(NodeRef sourceNode, RenditionDefinition renditionDefinition,
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RenderCallback callback);
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}
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