| /* |
| * Copyright (c) OSGi Alliance (2008, 2009). All Rights Reserved. |
| * |
| * Licensed 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 org.osgi.service.blueprint.reflect; |
| |
| import java.util.List; |
| |
| /** |
| * Metadata for a collection based value. Values of the collection are defined |
| * by Metadata objects. This Collection Metadata can constrain the values of the |
| * collection to a specific type. |
| * |
| * @ThreadSafe |
| * @version $Revision$ |
| */ |
| |
| public interface CollectionMetadata extends NonNullMetadata { |
| |
| /** |
| * Return the type of the collection. |
| * |
| * The possible types are: array (<code>Object[]</code>), <code>Set</code>, |
| * and <code>List</code>. This information is specified in the element name. |
| * |
| * @return The type of the collection. <code>Object[]</code> is returned to |
| * indicate an array. |
| */ |
| Class<?> getCollectionClass(); |
| |
| /** |
| * Return the type specified for the values of the collection. |
| * |
| * The <code>value-type</code> attribute specified this information. |
| * |
| * @return The type specified for the values of the collection. |
| */ |
| String getValueType(); |
| |
| /** |
| * Return Metadata for the values of the collection. |
| * |
| * @return A List of Metadata for the values of the collection. |
| */ |
| List<Metadata> getValues(); |
| } |