alfresco-community-repo/source/java/org/alfresco/repo/dictionary/DictionaryDAO.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.dictionary;

import java.util.Collection;

import org.alfresco.service.cmr.dictionary.AspectDefinition;
import org.alfresco.service.cmr.dictionary.AssociationDefinition;
import org.alfresco.service.cmr.dictionary.ConstraintDefinition;
import org.alfresco.service.cmr.dictionary.DataTypeDefinition;
import org.alfresco.service.cmr.dictionary.ModelDefinition;
import org.alfresco.service.cmr.dictionary.NamespaceDefinition;
import org.alfresco.service.cmr.dictionary.PropertyDefinition;
import org.alfresco.service.cmr.dictionary.TypeDefinition;
import org.alfresco.service.namespace.QName;


/**
 * Dictionary Data Access
 * 
 * @author David Caruana
 */
public interface DictionaryDAO extends ModelQuery
{
 
    /**
     * @return the models known by the dictionary
     */
    public Collection<QName> getModels();
    
    /**
     * @param name the model to retrieve
     * @return the named model definition
     */
    public ModelDefinition getModel(QName name);
    
    /**
     * @param model the model to retrieve property types for
     * @return the property types of the model
     */
    public Collection<DataTypeDefinition> getDataTypes(QName model);
    
    /**
     * @param model the model to retrieve types for
     * @return the types of the model
     */
    public Collection<TypeDefinition> getTypes(QName model);
    
    /**
     * @param superType
     * @param follow  true => follow up the super-class hierarchy, false => immediate sub types only
     * @return
     */
    public Collection<QName> getSubTypes(QName superType, boolean follow);

    /**
     * @param model the model to retrieve aspects for
     * @return the aspects of the model
     */
    public Collection<AspectDefinition> getAspects(QName model);
    
    
    /**
     * @param model the model to retrieve associations for
     * @return the associations of the model
     */
    public Collection<AssociationDefinition> getAssociations(QName model);
    
    /**
     * @param superAspect
     * @param follow  true => follow up the super-class hierarchy, false => immediate sub aspects only
     * @return
     */
    public Collection<QName> getSubAspects(QName superAspect, boolean follow);
       
    /**
     * @param model the model for which to get properties for
     * @return the properties of the model
     */
    public Collection<PropertyDefinition> getProperties(QName model);

    /**
     * Construct an anonymous type that combines a primary type definition and
     * and one or more aspects
     * 
     * @param type the primary type
     * @param aspects  the aspects to combine
     * @return the anonymous type definition
     */
    public TypeDefinition getAnonymousType(QName type, Collection<QName> aspects);
    
    /**
     * Adds a model to the dictionary.  The model is compiled and validated.
     * 
     * @param model the model to add
     * @return QName name of model
     */
    public QName putModel(M2Model model);
    
    /**
     * Removes a model from the dictionary.  The types and aspect in the model will no longer be 
     * available.
     * 
     * @param model     the qname of the model to remove
     */
    public void removeModel(QName model);
    
    /**
     * Get all properties for the model and that are of the given data type.
     * If dataType is null then the all properties will be returned. 
     * 
     * @param modelName
     * @param dataType
     * @return
     */
    public Collection<PropertyDefinition> getProperties(QName modelName, QName dataType);
     
    /**
     * @param model the model to retrieve namespaces for
     * @return the namespaces of the model
     */
    public Collection<NamespaceDefinition> getNamespaces(QName modelName);
    
    /**
     * @param model the model to retrieve constraints for
     * @return the constraints of the model
     */
    public Collection<ConstraintDefinition> getConstraints(QName model);
    
    /**
     * validate against dictionary
     * 
     * if new model 
     * then nothing to validate
     * 
     * else if an existing model 
     * then could be updated (or unchanged) so validate to currently only allow incremental updates
     *   - addition of new types, aspects (except default aspects), properties, associations
     *   - no deletion of types, aspects or properties or associations
     *   - no addition, update or deletion of default/mandatory aspects
     * 
     * @param newOrUpdatedModel
     */
    public void validateModel(M2Model newOrUpdatedModel);
    
    /**
     *
     * Register listener with the Dictionary
     * 
     * @param dictionaryListener
     */
    public void register(DictionaryListener dictionaryListener);
    
    /**
     * Reset the Dictionary - destroy & re-initialise
     */
    public void reset();
    
    /**
     * Initialise the Dictionary
     */
    public void init();
    
    /**
     * Destroy the Dictionary
     */
    public void destroy();
    
    // MT-specific
    public boolean isModelInherited(QName name);
}