| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package javax.jdo.metadata; |
| |
| /** |
| * This interface provides base level definitions for all metadata components. |
| * |
| * @version 2.3 |
| */ |
| public interface Metadata { |
| /** |
| * Add a vendor extension to this metadata component. |
| * |
| * @param vendor Identifier for the vendor |
| * @param key The extension key |
| * @param value Value for the extension |
| * @return The ExtensionMetaData |
| */ |
| ExtensionMetadata newExtensionMetaData(String vendor, String key, String value); |
| |
| /** |
| * Number of extensions on this component. |
| * |
| * @return Number of extensions |
| */ |
| int getNumberOfExtensions(); |
| |
| /** |
| * Accessor for the defined extensions for this component |
| * |
| * @return The extensions |
| */ |
| ExtensionMetadata[] getExtensions(); |
| |
| /** |
| * Accessor for the parent metadata component. |
| * |
| * @return The parent |
| */ |
| Metadata getParent(); |
| } |