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Diffstat (limited to 'jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/MetaDataModelMergeAssistantImpl.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/MetaDataModelMergeAssistantImpl.java | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/MetaDataModelMergeAssistantImpl.java b/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/MetaDataModelMergeAssistantImpl.java deleted file mode 100644 index 564d7a854..000000000 --- a/jsf/plugins/org.eclipse.jst.jsf.common/src/org/eclipse/jst/jsf/common/metadata/internal/MetaDataModelMergeAssistantImpl.java +++ /dev/null @@ -1,398 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007 Oracle Corporation. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Oracle - initial API and implementation - * - ********************************************************************************/ -package org.eclipse.jst.jsf.common.metadata.internal; - -import java.util.Iterator; - -import org.eclipse.core.runtime.IStatus; -import org.eclipse.emf.ecore.util.EcoreUtil.Copier; -import org.eclipse.jst.jsf.common.JSFCommonPlugin; -import org.eclipse.jst.jsf.common.metadata.Entity; -import org.eclipse.jst.jsf.common.metadata.EntityGroup; -import org.eclipse.jst.jsf.common.metadata.IncludeEntityGroup; -import org.eclipse.jst.jsf.common.metadata.Model; -import org.eclipse.jst.jsf.common.metadata.Trait; -import org.eclipse.jst.jsf.common.metadata.query.MetaDataException; -import org.eclipse.jst.jsf.common.metadata.query.internal.HierarchicalSearchControl; -import org.eclipse.jst.jsf.common.metadata.query.internal.IMetaDataQuery; -import org.eclipse.jst.jsf.common.metadata.query.internal.MetaDataQueryFactory; -import org.eclipse.jst.jsf.common.metadata.query.internal.SearchControl; -import org.eclipse.jst.jsf.common.metadata.query.internal.SimpleEntityQueryVisitorImpl; -import org.eclipse.jst.jsf.common.metadata.query.internal.SimpleResultSet; -import org.eclipse.jst.jsf.common.metadata.query.internal.SimpleTraitQueryVisitorImpl; -/** - * Implements {@link IMetaDataModelMergeAssistant} - * - * Responsible for merging source models into one. The first model in has subsequent - * entities and traits added to it. - * - * TODO - make locating of existing entities and traits in the merged model more efficient - * TODO - refactor out Taglibdomain-only aspects of include-group processing - * - */ -public class MetaDataModelMergeAssistantImpl implements - IMetaDataModelMergeAssistant { - - private MetaDataModel mergedModel; - private SimpleEntityQueryVisitorImpl entityVisitor; - private SimpleTraitQueryVisitorImpl traitVisitor; - private IMetaDataSourceModelProvider provider; - - /** - * Constructor. Queries with search control limited to first found. - * @param model - */ - public MetaDataModelMergeAssistantImpl(final MetaDataModel model) { - this.mergedModel = model; - entityVisitor = new SimpleEntityQueryVisitorImpl(new HierarchicalSearchControl(1, - HierarchicalSearchControl.SCOPE_ALL_LEVELS)); - traitVisitor = new SimpleTraitQueryVisitorImpl(new SearchControl(1)); - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelMergeAssistant#getMergedModel() - */ - public MetaDataModel getMergedModel() { - return mergedModel; - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelMergeAssistant#getSourceModel() - */ - public IMetaDataSourceModelProvider getSourceModelProvider() { - return provider; - } - - public void setSourceModelProvider(final IMetaDataSourceModelProvider provider) { - this.provider = provider; - } - - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelMergeAssistant#addEntityGroup(org.eclipse.jst.jsf.common.metadata.EntityGroup) - */ - public void addEntityGroup(final EntityGroup entityGroup) { - final Model model = (Model)getMergedModel().getRoot(); - if (!isExistingEntityGroup(model, entityGroup)){ - model.getEntityGroups().add(copyEntityGroup(entityGroup)); - } - } - - private EntityGroup copyEntityGroup(final EntityGroup entityGroup) { - final Copier copier = new Copier(); - final EntityGroup egc =(EntityGroup)copier.copy(entityGroup); - copier.copyReferences(); - return egc; - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelMergeAssistant#addEntity(org.eclipse.jst.jsf.common.metadata.Entity) - */ - public Entity addEntity(final Entity entity) { - Entity mmEntity = getMergedEntity(entity); - if (mmEntity == null){ - mmEntity = addEntityAsNecessary((Entity)entity.eContainer(), entity); - return mmEntity; - } - addIncludeGroupsAsNecessary(mmEntity, entity); - return mmEntity; - } - - public Entity getMergedEntity(final Entity queryRoot, final String entityKey){ - Entity ret = null; - SimpleResultSet rs = (SimpleResultSet)entityVisitor.findEntities(queryRoot, entityKey); - try { - if (! rs.getResults().isEmpty()) - ret = (Entity)rs.getResults().get(0); - rs.close(); - } catch (MetaDataException e) { - JSFCommonPlugin.log(IStatus.ERROR, "Error in getMergedEntity()", e); //$NON-NLS-1$ - } - return ret; - } - private void addIncludeGroupsAsNecessary(final Entity mmEntity, final Entity entity) { - for (final Iterator it=entity.getIncludeGroups().iterator();it.hasNext();){ - final IncludeEntityGroup grp = (IncludeEntityGroup)it.next(); - boolean found = false; - for (Iterator it2=mmEntity.getIncludeGroups().iterator();it2.hasNext();){ - final IncludeEntityGroup grp2 = (IncludeEntityGroup)it2.next(); - if (grp2.equals(grp)){ - found = true; - break; - } - } - if (!found){//maybe we should clone and add - mmEntity.getIncludeGroups().add(grp); - } - } - } - - /** - * Checks to see if the entity (by id) is present in the mergedModel or not. - * If not, it will perform a copy of the entity and it's attributes using - * EcoreUtil.Copier. - * - * @param parent - * @param entity - * @return - */ - private Entity addEntityAsNecessary(final Entity parent, final Entity entity) { - Entity mmParent = null; - Entity mmEntity = null; - if (parent != null){ - mmParent = getMergedEntity(parent); - if (mmParent == null){ - mmParent = addEntityAsNecessary((Entity)entity.eContainer(), entity); - } - } - if (mmParent != null){ - mmEntity = addEntityInternal(mmParent, entity); - return mmEntity; - } - return mmEntity; - } - - private boolean isExistingEntityGroup(final Model model, final EntityGroup entityGroup) { - boolean found = false; - for(final Iterator it=model.getEntityGroups().iterator();it.hasNext();){ - if (entityGroup.getId().equals(((EntityGroup)it.next()).getId())) - return true; - } - return found; - } - - private Entity getExistingChildEntity(final Entity parent, final Entity entity) { - for(final Iterator it=parent.getChildEntities().iterator();it.hasNext();){ - final Entity foundEntity = (Entity)it.next(); - if (entity.getId().equals(foundEntity.getId())) - return foundEntity; - } - return null; - } - - private /*synchronized*/ Entity addEntityInternal(final Entity parent, final Entity entity) { - final Copier copier = new Copier(); - final Entity mmEntity =(Entity)copier.copy(entity); - copier.copyReferences(); - parent.getChildEntities().add(mmEntity); - return mmEntity; - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelMergeAssistant#addTrait(org.eclipse.jst.jsf.common.metadata.Entity, org.eclipse.jst.jsf.common.metadata.Trait) - */ - public boolean addTrait(final Entity entity, final Trait trait) { - final Entity returnedEntity = getMergedEntity(entity); - if (returnedEntity != null){ - return addTraitAsNecessary(returnedEntity, trait); - } - return false; - } - - - private boolean addTraitAsNecessary(Entity mergedEntity, Trait trait) { - final Trait mmTrait = getMergedTrait(mergedEntity, trait); - if (mmTrait == null){ - addTraitInternal(mergedEntity, trait); - return true; - - } - return false; - } - - /* (non-Javadoc) - * @see org.eclipse.jst.jsf.common.metadata.internal.IMetaDataModelMergeAssistant#setMergeComplete() - */ - public void setMergeComplete() { - final Model model = (Model)getMergedModel().getRoot(); - if (model != null){ - StandardModelFactory.debug(">> Begin processIncludeGroups for: "+getMergedModel().getModelContext(),StandardModelFactory.DEBUG_MD_LOAD); //$NON-NLS-1$ - - processIncludeGroups(model); - - StandardModelFactory.debug(">> End processIncludeGroups for: "+getMergedModel().getModelContext(),StandardModelFactory.DEBUG_MD_LOAD); //$NON-NLS-1$ - } - } - - /** - * Copies the passed trait and adds it to the merged entity. - * The source model provider of the trait is then set on the trait so that - * the trait can know where it came from. - * - * @param parent - * @param trait - * @return merged Trait - */ - private Trait addTraitInternal(final Entity parent, final Trait trait) { - final Copier copier = new Copier(); - final Trait mmTrait =(Trait)copier.copy(trait); - copier.copyReferences(); - parent.getTraits().add(mmTrait); - //set the model key to know from where the trait came - mmTrait.setSourceModelProvider(trait.getSourceModelProvider()); - return mmTrait; - } - - /** - * Locates the entity in the merged model matching by id only. - * If not located, this method returns null; - * - * @param entity - * @return merged entity - */ - private Entity getMergedEntity(final Entity entity){ - if (entity instanceof Model) - return (Entity)mergedModel.getRoot(); - - Entity ret = null; - final String entityKey = getIdRelativeToRoot(entity); - final SimpleResultSet rs = (SimpleResultSet)entityVisitor.findEntities((Entity)mergedModel.getRoot(), entityKey); - try { - if (! rs.getResults().isEmpty()) - ret = (Entity)rs.getResults().get(0); - rs.close(); - } catch (MetaDataException e) { - JSFCommonPlugin.log(IStatus.ERROR, "Error in getMergedEntity()", e); //$NON-NLS-1$ - } - return ret; - } - - private String getIdRelativeToRoot(final Entity entity) { - Entity e = entity; - final StringBuffer buf = new StringBuffer(); - while (e.eContainer() != null){ - buf.insert(0, e.getId()); - if (e.eContainer()!=null && e.eContainer().eContainer() != null) - buf.insert(0,"/"); //$NON-NLS-1$ - e = (Entity)e.eContainer(); - } - return buf.toString(); - } - - /** - * Locates the trait in the merged model matching by id only. - * If not located, this method returns null; - * - * @param entity - * @param trait - * @return merged Trait - */ - public Trait getMergedTrait(final Entity entity, final Trait trait){ - final SimpleResultSet rs = (SimpleResultSet)traitVisitor.findTraits(entity, trait.getId()); - Trait ret = null; - try { - if (! rs.getResults().isEmpty()) - ret = (Trait)rs.getResults().get(0); - rs.close(); - } catch (MetaDataException e) { - JSFCommonPlugin.log(IStatus.ERROR, "Error in getMergedTrait()", e); //$NON-NLS-1$ - } - return ret; - } - - private void processIncludeGroups(final Model root) { - addEntityGroupReferencesRecursively(root); - } - - private void addEntityGroupReferencesRecursively(final Entity entity) { - doIncludes(entity); - for (int i=0, size=entity.getChildEntities().size();i<size;i++){ - addEntityGroupReferencesRecursively((Entity)entity.getChildEntities().get(i)); - } - } - - private void doIncludes(final Entity entity){ - for (int j=0, groupsSize=entity.getIncludeGroups().size();j<groupsSize; j++){ - final IncludeEntityGroup include = (IncludeEntityGroup)entity.getIncludeGroups().get(j); - if (include.getId() != null){ - //is this a local merge? - if (include.getModelUri() == null|| - (include.getModelUri() - .equals(getMergedModel() - .getModelContext().getModelIdentifier())) ){ - final EntityGroup eg = ((Model)getMergedModel().getRoot()).findIncludeGroup(include.getId()); - addIncludeRefs(entity, eg); - } else //external model include - addIncludeRefs(entity, include); - } - } - } - /* - * Adds traits and child entities from an external entity group to the passed entity - * @param entity - * @param include - */ - private void addIncludeRefs(final Entity entity, final IncludeEntityGroup include) { - final IMetaDataModelContext modelContext = getMergedModel().getModelContext(); - final IMetaDataQuery query = MetaDataQueryFactory.getInstance().createQuery(modelContext); - final Model externalModel = query.getQueryHelper().getModel(include.getModelUri()); - if (externalModel != null){ - final EntityGroup entityGroup = externalModel.findIncludeGroup(include.getId()); - addIncludeRefs(entity, entityGroup); - } - else { - JSFCommonPlugin.log(IStatus.ERROR, "Unable to load external metadata model refs for "+modelContext.getModelIdentifier() //$NON-NLS-1$ - + " into "+ include.getModelUri()); //$NON-NLS-1$ - } - } - - /* - * Adds traits and child entities from a local entity group to the passed entity if not already present for the entity. - * First - * @param entity - * @param entityGroup - */ - private void addIncludeRefs(final Entity entity, final EntityGroup entityGroup) { - if (entityGroup == null) - return; - - for (int i=0, size=entityGroup.getTraits().size();i<size;i++){ - addTrait(entity, (Trait)entityGroup.getTraits().get(i)); - } - - for (int i=0, size=entityGroup.getChildEntities().size();i<size;i++){ - traverseAndAddIncludes(entity, (Entity)entityGroup.getChildEntities().get(i)); - } - } - - private void traverseAndAddIncludes(final Entity parent, final Entity entity){ - final Entity mergedEntity = addIncludedEntityAsNecessary(parent, entity); - - for (final Iterator/*<Trait>*/ it=entity.getTraits().iterator();it.hasNext();){ - final Trait trait = (Trait)it.next(); - addTraitAsNecessary(mergedEntity, trait); - } - - for (final Iterator/*<EntityKey>*/ it=entity.getChildEntities().iterator();it.hasNext();){ - final Entity e = (Entity)it.next(); - traverseAndAddIncludes(mergedEntity, e);//add as normal - } - - } - - /* - * Checks to see if the entity (by id) is present as a child entity in the parent or not. - * If not, it will add the entity to the childEntities without copying. - * - * @param parent - * @param entity - * @return Entity - */ - private Entity addIncludedEntityAsNecessary(final Entity parent, final Entity entity) { - Entity mergedEntity = getExistingChildEntity(parent, entity); - if (mergedEntity == null){ - mergedEntity = addEntityInternal(parent, entity); - } - return mergedEntity; - } - -} |