Java EObject.eIsSet方法代碼示例

import org.eclipse.emf.ecore.EObject; //導入方法依賴的package包/類
private void mergeAttributes(final EObject extension, final EObject extendsEObject) {
    final List<EAttribute> commonAttributes = new ArrayList<>();
    commonAttributes.addAll(extension.eClass().getEAllAttributes());
    commonAttributes.retainAll(extendsEObject.eClass().getEAllAttributes());

    final List<EAttribute> nonDerivedAttributes = commonAttributes.stream()
            .filter(a -> !a.isDerived())
            .collect(Collectors.toList());
    for (final EAttribute attribute : nonDerivedAttributes) {
        if (extension.eIsSet(attribute)) {
            final Object attributeValue = extension.eGet(attribute);
            if (attribute.isMany()) {
                final List<Object> values = (List<Object>) extendsEObject.eGet(attribute);
                final List<Object> mergeAttributeValues = (List<Object>) attributeValue;
                for (final Object mergeAttributeValue : mergeAttributeValues) {
                    if (!values.contains(mergeAttributeValue)) {
                        values.add(mergeAttributeValue);
                    }
                }
            } else {
                extendsEObject.eSet(attribute, attributeValue);
            }
        }
    }
}
 

import org.eclipse.emf.ecore.EObject; //導入方法依賴的package包/類
private static void objToStrImpl(Object obj, String indent, Appendable buf) throws Exception {
	String innerIdent = INDENT + indent;
	if (obj instanceof EObject) {
		EObject eobj = (EObject) obj;
		buf.append(eobj.eClass().getName()).append(" {\n");
		for (EStructuralFeature f : getAllFeatures(eobj.eClass())) {
			if (!eobj.eIsSet(f))
				continue;
			buf.append(innerIdent);
			if (f instanceof EReference) {
				EReference r = (EReference) f;
				if (r.isContainment()) {
					buf.append("cref ");
					buf.append(f.getEType().getName()).append(SPACE);
					buf.append(f.getName()).append(SPACE);
					objToStrImpl(eobj.eGet(f), innerIdent, buf);
				} else {
					buf.append("ref ");
					buf.append(f.getEType().getName()).append(SPACE);
					buf.append(f.getName()).append(SPACE);
					refToStr(eobj, r, innerIdent, buf);
				}
			} else if (f instanceof EAttribute) {
				buf.append("attr ");
				buf.append(f.getEType().getName()).append(SPACE);
				buf.append(f.getName()).append(SPACE);
				// logger.debug(Msg.create("Path:").path(eobj));
				Object at = eobj.eGet(f);
				if (eobj != at)
					objToStrImpl(at, innerIdent, buf);
				else
					buf.append("<same as container object>");
			} else {
				buf.append("attr ");
				buf.append(f.getEType().getName()).append(SPACE);
				buf.append(f.getName()).append(" ??????");
			}
			buf.append('\n');
		}
		buf.append(indent).append("}");
		return;
	}
	if (obj instanceof FeatureMap.Entry) {
		FeatureMap.Entry e = (FeatureMap.Entry) obj;
		buf.append(e.getEStructuralFeature().getEContainingClass().getName());
		buf.append(".");
		buf.append(e.getEStructuralFeature().getName());
		buf.append("->");
		objToStrImpl(e.getValue(), innerIdent, buf);
		return;
	}
	if (obj instanceof Collection<?>) {
		int counter = 0;
		Collection<?> coll = (Collection<?>) obj;
		buf.append("[\n");
		for (Object o : coll) {
			buf.append(innerIdent);
			printInt(counter++, coll.size(), buf);
			buf.append(": ");
			objToStrImpl(o, innerIdent, buf);
			buf.append("\n");
		}
		buf.append(indent + "]");
		return;
	}
	if (obj != null) {
		buf.append("'").append(Strings.notNull(obj)).append("'");
		return;
	}
	buf.append("null");
}
 

import org.eclipse.emf.ecore.EObject; //導入方法依賴的package包/類
private EObject merge(final EObject from, final EObject to, final Collection<Object> visitedObjects) {

		if (null == from || null == to) {
			return null;
		}

		// This is against cycles through EReferences.
		if (visitedObjects.contains(from) || visitedObjects.contains(to)) {
			return to;
		}

		visitedObjects.add(to);
		visitedObjects.add(from);

		final Collection<EStructuralFeature> fromFeatures = from.eClass().getEAllStructuralFeatures();

		for (final EStructuralFeature feature : fromFeatures) {
			if (-1 != to.eClass().getFeatureID(feature) && feature.isChangeable()) {
				if (from.eIsSet(feature)) {
					final Object fromValue = from.eGet(feature, true);
					final Object toValue = to.eGet(feature, true);
					if (null == toValue) {
						to.eSet(feature, fromValue);
					} else {
						if (feature.isMany()) {
							@SuppressWarnings("unchecked")
							final Collection<Object> toManyValue = (Collection<Object>) toValue;
							@SuppressWarnings("unchecked")
							final Collection<Object> fromManyValue = (Collection<Object>) fromValue;
							for (final Iterator<Object> itr = fromManyValue.iterator(); itr.hasNext(); /**/) {
								final Object fromElement = itr.next();
								if (!contains(toManyValue, fromElement)) {
									itr.remove();
									toManyValue.add(fromElement);
								}
							}
						} else {
							if (feature instanceof EAttribute) {
								to.eSet(feature, fromValue);
							} else if (feature instanceof EReference) {
								to.eSet(feature, merge((EObject) fromValue, (EObject) toValue, visitedObjects));
							}
						}
					}
				}
			}
		}
		return to;
	}