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https://github.com/Alfresco/alfresco-community-repo.git
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82cfe2d806
Expose properties via DD Remove more old indexer code git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4592 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
407 lines
14 KiB
Java
407 lines
14 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.dictionary;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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import org.alfresco.service.cmr.dictionary.AspectDefinition;
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import org.alfresco.service.cmr.dictionary.AssociationDefinition;
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import org.alfresco.service.cmr.dictionary.ClassDefinition;
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import org.alfresco.service.cmr.dictionary.ConstraintDefinition;
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import org.alfresco.service.cmr.dictionary.DictionaryException;
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import org.alfresco.service.cmr.dictionary.ModelDefinition;
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import org.alfresco.service.cmr.dictionary.PropertyDefinition;
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import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
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import org.alfresco.service.cmr.dictionary.TypeDefinition;
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import org.alfresco.service.namespace.DynamicNamespacePrefixResolver;
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import org.alfresco.service.namespace.NamespaceException;
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import org.alfresco.service.namespace.NamespacePrefixResolver;
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import org.alfresco.service.namespace.QName;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Compiled representation of a model definition.
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*
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* In this case, compiled means that
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* a) all references between model items have been resolved
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* b) inheritence of class features have been flattened
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* c) overridden class features have been resolved
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*
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* A compiled model also represents a valid model.
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*
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* @author David Caruana
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*
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*/
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/*package*/ class CompiledModel implements ModelQuery
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{
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// Logger
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private static final Log logger = LogFactory.getLog(DictionaryDAOImpl.class);
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private M2Model model;
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private ModelDefinition modelDefinition;
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private Map<QName, DataTypeDefinition> dataTypes = new HashMap<QName, DataTypeDefinition>();
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private Map<QName, ClassDefinition> classes = new HashMap<QName, ClassDefinition>();
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private Map<QName, TypeDefinition> types = new HashMap<QName, TypeDefinition>();
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private Map<QName, AspectDefinition> aspects = new HashMap<QName, AspectDefinition>();
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private Map<QName, PropertyDefinition> properties = new HashMap<QName, PropertyDefinition>();
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private Map<QName, AssociationDefinition> associations = new HashMap<QName, AssociationDefinition>();
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private Map<QName, ConstraintDefinition> constraints = new HashMap<QName, ConstraintDefinition>();
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/**
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* Construct
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*
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* @param model model definition
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* @param dictionaryDAO dictionary DAO
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* @param namespaceDAO namespace DAO
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*/
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/*package*/ CompiledModel(M2Model model, DictionaryDAO dictionaryDAO, NamespaceDAO namespaceDAO)
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{
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try
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{
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// Phase 1: Construct model definitions from model entries
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// resolving qualified names
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this.model = model;
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constructDefinitions(model, namespaceDAO);
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// Phase 2: Resolve dependencies between model definitions
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ModelQuery query = new DelegateModelQuery(this, dictionaryDAO);
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resolveDependencies(query, namespaceDAO);
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// Phase 3: Resolve inheritance of values within class hierachy
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NamespacePrefixResolver localPrefixes = createLocalPrefixResolver(model, namespaceDAO);
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resolveInheritance(query, localPrefixes, constraints);
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// Phase 4: Resolve constraint dependencies
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for (ConstraintDefinition def : constraints.values())
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{
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((M2ConstraintDefinition)def).resolveDependencies(query);
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}
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}
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catch(Exception e)
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{
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throw new DictionaryException("Failed to compile model " + model.getName(), e);
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}
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}
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/**
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* @return the model definition
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*/
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/*package*/ M2Model getM2Model()
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{
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return model;
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}
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/**
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* Construct compiled definitions
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*
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* @param model model definition
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* @param namespaceDAO namespace DAO
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*/
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private void constructDefinitions(M2Model model, NamespaceDAO namespaceDAO)
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{
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NamespacePrefixResolver localPrefixes = createLocalPrefixResolver(model, namespaceDAO);
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// Construct Model Definition
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modelDefinition = new M2ModelDefinition(model, localPrefixes);
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// Construct Property Types
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for (M2DataType propType : model.getPropertyTypes())
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{
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M2DataTypeDefinition def = new M2DataTypeDefinition(modelDefinition, propType, localPrefixes);
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if (dataTypes.containsKey(def.getName()))
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{
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throw new DictionaryException("Found duplicate property type definition " + propType.getName());
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}
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dataTypes.put(def.getName(), def);
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}
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// Construct Type Definitions
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for (M2Type type : model.getTypes())
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{
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M2TypeDefinition def = new M2TypeDefinition(modelDefinition, type, localPrefixes, properties, associations);
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if (classes.containsKey(def.getName()))
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{
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throw new DictionaryException("Found duplicate class definition " + type.getName() + " (a type)");
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}
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classes.put(def.getName(), def);
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types.put(def.getName(), def);
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}
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// Construct Aspect Definitions
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for (M2Aspect aspect : model.getAspects())
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{
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M2AspectDefinition def = new M2AspectDefinition(modelDefinition, aspect, localPrefixes, properties, associations);
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if (classes.containsKey(def.getName()))
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{
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throw new DictionaryException("Found duplicate class definition " + aspect.getName() + " (an aspect)");
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}
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classes.put(def.getName(), def);
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aspects.put(def.getName(), def);
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}
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// Construct Constraint Definitions
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for (M2Constraint constraint : model.getConstraints())
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{
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M2ConstraintDefinition def = new M2ConstraintDefinition(modelDefinition, null, constraint, localPrefixes);
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QName qname = def.getName();
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if (constraints.containsKey(qname))
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{
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throw new DictionaryException("Found duplicate constraint definition " + constraint.getName() + " (an aspect)");
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}
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constraints.put(qname, def);
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}
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}
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/**
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* Create a local namespace prefix resolver containing the namespaces defined and imported
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* in the model
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*
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* @param model model definition
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* @param namespaceDAO namespace DAO
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* @return the local namespace prefix resolver
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*/
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private NamespacePrefixResolver createLocalPrefixResolver(M2Model model, NamespaceDAO namespaceDAO)
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{
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// Retrieve set of existing URIs for validation purposes
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Collection<String> uris = namespaceDAO.getURIs();
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// Create a namespace prefix resolver based on imported and defined
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// namespaces within the model
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DynamicNamespacePrefixResolver prefixResolver = new DynamicNamespacePrefixResolver(null);
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for (M2Namespace imported : model.getImports())
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{
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String uri = imported.getUri();
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if (!uris.contains(uri))
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{
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throw new NamespaceException("URI " + uri + " cannot be imported as it is not defined (with prefix " + imported.getPrefix());
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}
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prefixResolver.registerNamespace(imported.getPrefix(), uri);
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}
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for (M2Namespace defined : model.getNamespaces())
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{
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prefixResolver.registerNamespace(defined.getPrefix(), defined.getUri());
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}
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return prefixResolver;
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}
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/**
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* Resolve dependencies between model items
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*
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* @param query support for querying other items in model
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*/
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private void resolveDependencies(ModelQuery query, NamespaceDAO namespaceDAO)
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{
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NamespacePrefixResolver prefixResolver = createLocalPrefixResolver(model, namespaceDAO);
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for (DataTypeDefinition def : dataTypes.values())
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{
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((M2DataTypeDefinition)def).resolveDependencies(query);
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}
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for (ClassDefinition def : classes.values())
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{
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((M2ClassDefinition)def).resolveDependencies(query, prefixResolver, constraints);
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}
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}
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/**
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* Resolve class feature inheritence
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*
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* @param query support for querying other items in model
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*/
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private void resolveInheritance(
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ModelQuery query,
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NamespacePrefixResolver prefixResolver,
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Map<QName, ConstraintDefinition> modelConstraints)
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{
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// Calculate order of class processing (root to leaf)
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Map<Integer,List<ClassDefinition>> order = new TreeMap<Integer,List<ClassDefinition>>();
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for (ClassDefinition def : classes.values())
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{
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// Calculate class depth in hierarchy
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int depth = 0;
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QName parentName = def.getParentName();
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while (parentName != null)
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{
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ClassDefinition parentClass = getClass(parentName);
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if (parentClass == null)
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{
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break;
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}
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depth = depth +1;
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parentName = parentClass.getParentName();
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}
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// Map class to depth
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List<ClassDefinition> classes = order.get(depth);
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if (classes == null)
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{
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classes = new ArrayList<ClassDefinition>();
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order.put(depth, classes);
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}
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classes.add(def);
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if (logger.isDebugEnabled())
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logger.debug("Resolving inheritance: class " + def.getName() + " found at depth " + depth);
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}
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// Resolve inheritance of each class
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for (int depth = 0; depth < order.size(); depth++)
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{
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for (ClassDefinition def : order.get(depth))
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{
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((M2ClassDefinition)def).resolveInheritance(query, prefixResolver, modelConstraints);
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}
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}
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}
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/**
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* @return the compiled model definition
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*/
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public ModelDefinition getModelDefinition()
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{
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return modelDefinition;
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}
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/**
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* @return the compiled property types
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*/
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public Collection<DataTypeDefinition> getDataTypes()
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{
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return dataTypes.values();
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}
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/**
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* @return the compiled types
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*/
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public Collection<TypeDefinition> getTypes()
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{
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return types.values();
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}
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/**
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* @return the compiled aspects
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*/
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public Collection<AspectDefinition> getAspects()
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{
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return aspects.values();
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}
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/**
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*
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* @return the compiled properties
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*/
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public Collection<PropertyDefinition> getProperties()
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{
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return properties.values();
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getPropertyType(org.alfresco.repo.ref.QName)
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*/
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public DataTypeDefinition getDataType(QName name)
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{
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return dataTypes.get(name);
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.ModelQuery#getDataType(java.lang.Class)
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*/
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public DataTypeDefinition getDataType(Class javaClass)
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{
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for (DataTypeDefinition dataTypeDef : dataTypes.values())
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{
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if (dataTypeDef.getJavaClassName().equals(javaClass.getName()))
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{
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return dataTypeDef;
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}
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}
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return null;
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getType(org.alfresco.repo.ref.QName)
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*/
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public TypeDefinition getType(QName name)
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{
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return types.get(name);
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getAspect(org.alfresco.repo.ref.QName)
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*/
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public AspectDefinition getAspect(QName name)
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{
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return aspects.get(name);
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getClass(org.alfresco.repo.ref.QName)
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*/
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public ClassDefinition getClass(QName name)
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{
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return classes.get(name);
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getProperty(org.alfresco.repo.ref.QName)
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*/
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public PropertyDefinition getProperty(QName name)
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{
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return properties.get(name);
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getAssociation(org.alfresco.repo.ref.QName)
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*/
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public AssociationDefinition getAssociation(QName name)
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{
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return associations.get(name);
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}
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/* (non-Javadoc)
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* @see org.alfresco.repo.dictionary.impl.ModelQuery#getConstraint(QName)
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*/
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public ConstraintDefinition getConstraint(QName name)
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{
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return constraints.get(name);
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}
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}
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