| /*********************************************************************** |
| * Copyright (c) 2008 by SAP AG, Walldorf. |
| * 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: |
| * SAP AG - initial API and implementation |
| ***********************************************************************/ |
| package org.eclipse.jst.jee.model.internal.mergers; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.jst.javaee.core.PersistenceContextRef; |
| import org.eclipse.jst.javaee.core.PropertyType; |
| |
| /** |
| * Merges persistence context references artifacts. |
| * |
| * @author Dimitar Giormov |
| * |
| */ |
| public class PersistenceContextRefsMerger extends BaseRefsMerger { |
| |
| /** |
| * Constructor for the class. |
| * |
| * @param base - base list with persistence context references. |
| * that have higher priority and are result of the merge. |
| * @param toMerge - toMerge list to be imported in base list. |
| */ |
| public PersistenceContextRefsMerger(List _base, List _toMerge) { |
| super(_base, _toMerge); |
| } |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jst.javaee.ejb.model.mergers.common.ModelElementsMerger#process() |
| */ |
| @Override |
| public List process() throws ModelException { |
| List warnings = new ArrayList(); |
| for (Object oToMerge : getToMergeElemets()) { |
| PersistenceContextRef envEntry = (PersistenceContextRef) oToMerge; |
| boolean found = false; |
| for (Object oBase : getBaseElements()) { |
| PersistenceContextRef envEntryBase = (PersistenceContextRef) oBase; |
| if (envEntryBase.getPersistenceContextRefName().equals(envEntry.getPersistenceContextRefName())){ |
| copyMissingPropertesInBase(envEntryBase, envEntry); |
| found = true; |
| break; |
| } |
| } |
| if (found){ |
| continue; |
| } |
| getBaseElements().add(EcoreUtil.copy((EObject) oToMerge)); |
| } |
| return warnings; |
| } |
| |
| |
| protected void copyMissingPropertesInBase(PersistenceContextRef baseElement, PersistenceContextRef toMergeElement) { |
| if(baseElement.getPersistenceUnitName() == null){ |
| baseElement.setPersistenceUnitName(toMergeElement.getPersistenceUnitName()); |
| } |
| |
| if(baseElement.getPersistenceContextType() == null){ |
| baseElement.setPersistenceContextType(toMergeElement.getPersistenceContextType()); |
| } |
| |
| if(baseElement.getMappedName() == null){ |
| baseElement.setMappedName(toMergeElement.getMappedName()); |
| } |
| |
| copyMissingPersistentPropertiesInBase(baseElement.getPersistenceProperties(), toMergeElement.getPersistenceProperties()); |
| } |
| |
| |
| private void copyMissingPersistentPropertiesInBase( |
| List persistenceProperties, List persistenceProperties2) { |
| for (Object mergeProps : persistenceProperties2) { |
| PropertyType mProp = (PropertyType) mergeProps; |
| if(!containsProperty(persistenceProperties , mProp)){ |
| persistenceProperties.add( mProp); |
| } |
| |
| } |
| } |
| |
| private boolean containsProperty(List list, PropertyType p){ |
| for (Object baseProps : list) { |
| PropertyType bProp = (PropertyType) baseProps; |
| if(p.getName().equals(bProp.getName())){ |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| |
| @Override |
| protected void copyMissingPropertesInBase(Object base, Object toMerge){ |
| copyMissingPropertesInBase((PersistenceContextRef) base, (PersistenceContextRef) toMerge); |
| } |
| |
| } |