| /* |
| * 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 org.apache.sling.feature.scanner; |
| |
| import org.apache.sling.feature.Feature; |
| |
| /** |
| * Information about a feature. |
| * |
| * Note that this implementation is not synchronized. If multiple threads access |
| * a descriptor concurrently, and at least one of the threads modifies the |
| * descriptor structurally, it must be synchronized externally. However, once a |
| * descriptor is locked, it is safe to access it concurrently. |
| */ |
| public abstract class FeatureDescriptor extends ContainerDescriptor { |
| private final Feature feature; |
| |
| protected FeatureDescriptor(Feature f) { |
| super(f.getId().toMvnId()); |
| feature = f; |
| analyze(f); |
| } |
| |
| private void analyze(Feature f) { |
| getCapabilities().addAll(f.getCapabilities()); |
| getRequirements().addAll(f.getRequirements()); |
| } |
| |
| public Feature getFeature() { |
| return feature; |
| } |
| } |