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https://github.com/Alfresco/alfresco-community-repo.git
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df8a53ce33
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4766 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
574 lines
21 KiB
Java
574 lines
21 KiB
Java
/*
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* Copyright (C) 2005 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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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.Collection;
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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.service.cmr.dictionary.DictionaryService;
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import org.alfresco.service.cmr.dictionary.InvalidAspectException;
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import org.alfresco.service.cmr.dictionary.PropertyDefinition;
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import org.alfresco.service.cmr.repository.AssociationExistsException;
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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.InvalidChildAssociationRefException;
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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.Path;
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import org.alfresco.service.cmr.repository.StoreRef;
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import org.alfresco.service.cmr.repository.NodeRef.Status;
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import org.alfresco.service.cmr.repository.datatype.DefaultTypeConverter;
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import org.alfresco.service.cmr.search.SearchService;
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import org.alfresco.service.namespace.QName;
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import org.alfresco.service.namespace.QNamePattern;
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import org.alfresco.service.namespace.RegexQNamePattern;
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/**
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* The light weight version store node service implementation.
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*
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* @author Roy Wetherall
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*/
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public class NodeServiceImpl implements NodeService, VersionModel
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{
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/**
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* Error messages
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*/
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private final static String MSG_UNSUPPORTED =
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"This operation is not supported by a version store implementation of the node service.";
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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(VersionModel.NAMESPACE_URI, "versionedState");
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/**
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* The db node service, used as the version store implementation
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*/
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protected NodeService dbNodeService;
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/**
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* The repository searcher
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*/
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@SuppressWarnings("unused")
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private SearchService searcher;
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/**
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* The dictionary service
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*/
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protected DictionaryService dicitionaryService;
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/**
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* Sets the db node service, used as the version store implementation
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*
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* @param nodeService the node service
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*/
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public void setDbNodeService(NodeService nodeService)
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{
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this.dbNodeService = nodeService;
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}
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/**
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* Sets the searcher
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*
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* @param searcher the searcher
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*/
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public void setSearcher(SearchService searcher)
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{
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this.searcher = searcher;
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}
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/**
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* Sets the dictionary service
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*
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* @param dictionaryService the dictionary service
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*/
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public void setDictionaryService(DictionaryService dictionaryService)
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{
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this.dicitionaryService = dictionaryService;
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}
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/**
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* Delegates to the <code>NodeService</code> used as the version store implementation
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*/
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public List<StoreRef> getStores()
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{
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return dbNodeService.getStores();
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}
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/**
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* Delegates to the <code>NodeService</code> used as the version store implementation
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*/
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public StoreRef createStore(String protocol, String identifier)
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{
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return dbNodeService.createStore(protocol, identifier);
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}
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/**
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* Delegates to the <code>NodeService</code> used as the version store implementation
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*/
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public boolean exists(StoreRef storeRef)
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{
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return dbNodeService.exists(storeRef);
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}
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/**
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* Delegates to the <code>NodeService</code> used as the version store implementation
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*/
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public boolean exists(NodeRef nodeRef)
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{
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return dbNodeService.exists(convertNodeRef(nodeRef));
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}
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/**
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* Delegates to the <code>NodeService</code> used as the version store implementation
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*/
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public Status getNodeStatus(NodeRef nodeRef)
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{
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return dbNodeService.getNodeStatus(nodeRef);
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}
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/**
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* Convert the incomming node ref (with the version store protocol specified)
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* to the internal representation with the workspace protocol.
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*
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* @param nodeRef the incomming verison protocol node reference
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* @return the internal version node reference
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*/
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private NodeRef convertNodeRef(NodeRef nodeRef)
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{
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return new NodeRef(new StoreRef(StoreRef.PROTOCOL_WORKSPACE, STORE_ID), nodeRef.getId());
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}
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/**
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* Delegates to the <code>NodeService</code> used as the version store implementation
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*/
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public NodeRef getRootNode(StoreRef storeRef)
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{
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return dbNodeService.getRootNode(storeRef);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public ChildAssociationRef createNode(
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NodeRef parentRef,
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QName assocTypeQName,
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QName assocQName,
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QName nodeTypeQName) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public ChildAssociationRef createNode(
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NodeRef parentRef,
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QName assocTypeQName,
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QName assocQName,
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QName nodeTypeQName,
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Map<QName, Serializable> properties) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void deleteNode(NodeRef nodeRef) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public ChildAssociationRef addChild(NodeRef parentRef,
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NodeRef childRef,
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QName assocTypeQName,
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QName qname) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void removeChild(NodeRef parentRef, NodeRef childRef) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public boolean removeChildAssociation(ChildAssociationRef childAssocRef)
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{
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public ChildAssociationRef moveNode(NodeRef nodeToMoveRef, NodeRef newParentRef, QName assocTypeQName, QName assocQName) throws InvalidNodeRefException
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{
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void setChildAssociationIndex(ChildAssociationRef childAssocRef, int index) throws InvalidChildAssociationRefException
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{
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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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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return (QName)this.dbNodeService.getProperty(convertNodeRef(nodeRef), PROP_QNAME_FROZEN_NODE_TYPE);
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}
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/**
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* @see org.alfresco.service.cmr.repository.NodeService#setType(org.alfresco.service.cmr.repository.NodeRef, org.alfresco.service.namespace.QName)
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*/
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public void setType(NodeRef nodeRef, QName typeQName) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void addAspect(NodeRef nodeRef, QName aspectRef, Map<QName, Serializable> aspectProperties) throws InvalidNodeRefException, InvalidAspectException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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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 boolean hasAspect(NodeRef nodeRef, QName aspectRef) throws InvalidNodeRefException, InvalidAspectException
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{
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return getAspects(nodeRef).contains(aspectRef);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void removeAspect(NodeRef nodeRef, QName aspectRef) throws InvalidNodeRefException, InvalidAspectException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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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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return new HashSet<QName>(
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(ArrayList<QName>)this.dbNodeService.getProperty(convertNodeRef(nodeRef), PROP_QNAME_FROZEN_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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Map<QName, Serializable> result = new HashMap<QName, Serializable>();
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Collection<ChildAssociationRef> children = this.dbNodeService.getChildAssocs(convertNodeRef(nodeRef), CHILD_QNAME_VERSIONED_ATTRIBUTES, RegexQNamePattern.MATCH_ALL);
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for (ChildAssociationRef child : children)
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{
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NodeRef versionedAttribute = child.getChildRef();
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// Get the QName and the value
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Serializable value = null;
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QName qName = (QName)this.dbNodeService.getProperty(versionedAttribute, PROP_QNAME_QNAME);
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PropertyDefinition propDef = this.dicitionaryService.getProperty(qName);
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Boolean isMultiValue = (Boolean)this.dbNodeService.getProperty(versionedAttribute, PROP_QNAME_IS_MULTI_VALUE);
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if (isMultiValue.booleanValue() == false)
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{
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value = this.dbNodeService.getProperty(versionedAttribute, PROP_QNAME_VALUE);
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value = (Serializable)DefaultTypeConverter.INSTANCE.convert(propDef.getDataType(), value);
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}
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else
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{
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value = this.dbNodeService.getProperty(versionedAttribute, PROP_QNAME_MULTI_VALUE);
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}
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result.put(qName, value);
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}
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return result;
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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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// TODO should be doing this with a search ...
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Map<QName, Serializable> properties = getProperties(convertNodeRef(nodeRef));
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return properties.get(qname);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void setProperties(NodeRef nodeRef, Map<QName, Serializable> properties) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void setProperty(NodeRef nodeRef, QName qame, Serializable value) throws InvalidNodeRefException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* The node will appear to be attached to the root of the version store
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*
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* @see NodeService#getParentAssocs(NodeRef)
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*/
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public List<ChildAssociationRef> getParentAssocs(NodeRef nodeRef)
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{
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return getParentAssocs(nodeRef, RegexQNamePattern.MATCH_ALL, RegexQNamePattern.MATCH_ALL);
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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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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, 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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* @see RegexQNamePattern#MATCH_ALL
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* @see #getChildAssocs(NodeRef, QNamePattern, QNamePattern)
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*/
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public List<ChildAssociationRef> getChildAssocs(NodeRef nodeRef) throws InvalidNodeRefException
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{
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return getChildAssocs(convertNodeRef(nodeRef), RegexQNamePattern.MATCH_ALL, RegexQNamePattern.MATCH_ALL);
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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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// Get the child assocs from the version store
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List<ChildAssociationRef> childAssocRefs = this.dbNodeService.getChildAssocs(
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convertNodeRef(nodeRef),
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RegexQNamePattern.MATCH_ALL, CHILD_QNAME_VERSIONED_CHILD_ASSOCS);
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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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if (this.dbNodeService.exists(referencedNode) == true)
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{
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// get the qualified name of the frozen child association and filter out unwanted names
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QName qName = (QName)this.dbNodeService.getProperty(childRef, PROP_QNAME_ASSOC_QNAME);
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if (qnamePattern.isMatch(qName) == true)
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{
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// Retrieve the isPrimary and nthSibling values of the forzen child association
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QName assocType = (QName)this.dbNodeService.getProperty(childRef, PROP_QNAME_ASSOC_TYPE_QNAME);
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boolean isPrimary = ((Boolean)this.dbNodeService.getProperty(childRef, PROP_QNAME_IS_PRIMARY)).booleanValue();
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int nthSibling = ((Integer)this.dbNodeService.getProperty(childRef, PROP_QNAME_NTH_SIBLING)).intValue();
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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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assocType,
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nodeRef,
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qName,
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referencedNode,
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isPrimary,
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nthSibling);
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result.add(newChildAssocRef);
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}
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}
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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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* @throws UnsupportedOperationException always
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*/
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public NodeRef getChildByName(NodeRef nodeRef, QName assocTypeQName, String childName)
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* Simulates the node begin attached ot 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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return new ChildAssociationRef(
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ContentModel.ASSOC_CHILDREN,
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dbNodeService.getRootNode(new StoreRef(StoreRef.PROTOCOL_WORKSPACE, 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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public AssociationRef createAssociation(NodeRef sourceRef, NodeRef targetRef, QName assocTypeQName)
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throws InvalidNodeRefException, AssociationExistsException
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public void removeAssociation(NodeRef sourceRef, NodeRef targetRef, QName assocTypeQName)
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{
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// This operation is not supported for a version store
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throw new UnsupportedOperationException(MSG_UNSUPPORTED);
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}
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/**
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* @throws UnsupportedOperationException always
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*/
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public List<AssociationRef> getTargetAssocs(NodeRef sourceRef, QNamePattern 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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convertNodeRef(sourceRef),
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RegexQNamePattern.MATCH_ALL, CHILD_QNAME_VERSIONED_ASSOCS);
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List<AssociationRef> result = new ArrayList<AssociationRef>(childAssocRefs.size());
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for (ChildAssociationRef childAssocRef : childAssocRefs)
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{
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// Get the assoc 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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if (this.dbNodeService.exists(referencedNode) == true)
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{
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// get the qualified type name of the frozen child association and filter out unwanted names
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QName qName = (QName)this.dbNodeService.getProperty(childRef, PROP_QNAME_ASSOC_TYPE_QNAME);
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if (qnamePattern.isMatch(qName) == true)
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{
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AssociationRef newAssocRef = new AssociationRef(sourceRef, qName, referencedNode);
|
|
result.add(newAssocRef);
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
/**
|
|
* @throws UnsupportedOperationException always
|
|
*/
|
|
public List<AssociationRef> getSourceAssocs(NodeRef sourceRef, QNamePattern qnamePattern)
|
|
{
|
|
// This operation is not supported for a version store
|
|
throw new UnsupportedOperationException(MSG_UNSUPPORTED);
|
|
}
|
|
|
|
/**
|
|
* @throws UnsupportedOperationException always
|
|
*/
|
|
public Path getPath(NodeRef nodeRef) throws InvalidNodeRefException
|
|
{
|
|
ChildAssociationRef childAssocRef = getPrimaryParent(nodeRef);
|
|
Path path = new Path();
|
|
path.append(new Path.ChildAssocElement(childAssocRef));
|
|
return path;
|
|
}
|
|
|
|
/**
|
|
* @throws UnsupportedOperationException always
|
|
*/
|
|
public List<Path> getPaths(NodeRef nodeRef, boolean primaryOnly) throws InvalidNodeRefException
|
|
{
|
|
List<Path> paths = new ArrayList<Path>(1);
|
|
paths.add(getPath(nodeRef));
|
|
return paths;
|
|
}
|
|
|
|
/**
|
|
* @throws UnsupportedOperationException always
|
|
*/
|
|
public NodeRef getStoreArchiveNode(StoreRef storeRef)
|
|
{
|
|
throw new UnsupportedOperationException(MSG_UNSUPPORTED);
|
|
}
|
|
|
|
/**
|
|
* @throws UnsupportedOperationException always
|
|
*/
|
|
public NodeRef restoreNode(NodeRef archivedNodeRef, NodeRef targetParentNodeRef, QName assocTypeQName, QName assocQName)
|
|
{
|
|
throw new UnsupportedOperationException(MSG_UNSUPPORTED);
|
|
}
|
|
}
|