| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 IBM Corporation and others. |
| // 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: |
| // IBM Corporation - initial implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.configuration; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.epf.uma.ContentElement; |
| import org.eclipse.epf.uma.MethodElement; |
| import org.eclipse.epf.uma.UmaPackage; |
| import org.eclipse.epf.uma.VariabilityElement; |
| |
| /** |
| * realized feature value for a toMany feature |
| * |
| * @author Jinhua Xi |
| * @since 1.0 |
| * |
| */ |
| public class ToManyFeatureValue extends FeatureValue { |
| |
| List values = new ArrayList(); |
| |
| /** |
| * @see org.eclipse.epf.library.configuration.FeatureValue#FeatureValue(MethodElement, MethodElement, Object, ElementRealizer) |
| * @param element |
| * @param ownerElement |
| * @param feature |
| * @param realizer |
| */ |
| public ToManyFeatureValue(MethodElement element, MethodElement ownerElement, Object feature, ElementRealizer realizer) { |
| super(element, ownerElement, feature, realizer); |
| } |
| |
| /** |
| * add a feature value to the value list |
| * @param owner VariabilityElement |
| * @param value Object |
| */ |
| public void add(VariabilityElement owner, Object value) { |
| if ( !(value instanceof List) ) { |
| return; |
| } |
| |
| HashSet seenValues = new HashSet(values); |
| for (Iterator it = ((List) value).iterator(); it.hasNext();) { |
| Object obj = it.next(); |
| if ( obj instanceof MethodElement ) { |
| MethodElement e = (MethodElement) obj; |
| //MethodElement ce = realizer.realize(e); |
| MethodElement ce = ConfigurationHelper.getCalculatedElement(e, realizer); |
| |
| // calculated element can be null if it can't show |
| if (ce != null && !seenValues.contains(ce)) { |
| values.add(ce); |
| seenValues.add(ce); |
| } |
| } |
| } |
| |
| if ( (owner instanceof ContentElement) |
| && (feature == UmaPackage.eINSTANCE |
| .getContentDescription_Sections())) { |
| ConfigurationHelper.orderSections((ContentElement) owner, values); |
| } |
| |
| } |
| |
| |
| /** |
| * get the realized value |
| * @return Object |
| */ |
| public Object getValue() { |
| if ( isExtendReplaceEnabled() ) { |
| List items = new ArrayList(); |
| |
| // remove the _NULL_ item. that is used as an indicator to blank out the base |
| // for the extend-replace |
| for (Iterator it = values.iterator(); it.hasNext(); ) { |
| Object o = (Object) it.next(); |
| if ( isBlankIndicator(o) ) { |
| continue; |
| } |
| items.add(o); |
| } |
| |
| return items; |
| } |
| |
| return values; |
| |
| } |
| |
| /** |
| * get the size of the value list. |
| */ |
| public int size() { |
| return values.size(); |
| } |
| } |