| /* |
| * 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.adapter.internal; |
| |
| import org.apache.sling.commons.osgi.OsgiUtil; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceReference; |
| |
| /** |
| * The <code>AdapterFactoryDescriptorKey</code> provides the indexing |
| * functionality for the {@link AdapterFactoryDescriptorMap}. The key consists |
| * of the OSGi <code>service.id</code> of the |
| * {@link org.apache.sling.api.adapter.AdapterFactory} service and the ID of |
| * the the bundle providing the service. |
| * <p> |
| * Sort order among the keys is defined primarily by the bundle id and |
| * secondarily by the service id. |
| */ |
| public class AdapterFactoryDescriptorKey implements |
| Comparable<AdapterFactoryDescriptorKey> { |
| |
| private long bundleId; |
| |
| private long serviceId; |
| |
| public AdapterFactoryDescriptorKey(ServiceReference ref) { |
| bundleId = ref.getBundle().getBundleId(); |
| serviceId = OsgiUtil.toLong(ref.getProperty(Constants.SERVICE_ID), -1); |
| } |
| |
| public int compareTo(AdapterFactoryDescriptorKey o) { |
| if (o.equals(this)) { |
| return 0; |
| } |
| |
| // result for differing bundleId |
| if (bundleId < o.bundleId) { |
| return -1; |
| } else if (bundleId > o.bundleId) { |
| return 1; |
| } |
| |
| // result for differing serviceId, we do not expect the two |
| // serviceId values to be equal because otherwise the equals |
| // test above would have yielded true |
| if (serviceId < o.serviceId) { |
| return -1; |
| } |
| |
| // serviceId is larger than the other object's, we do not expect |
| // the two serviceId values to be equal because otherwise the equals |
| // test above would have yielded true |
| return 1; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o == this) { |
| return true; |
| } else if (o instanceof AdapterFactoryDescriptorKey) { |
| AdapterFactoryDescriptorKey oKey = (AdapterFactoryDescriptorKey) o; |
| return bundleId == oKey.bundleId && serviceId == oKey.serviceId; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (int) (bundleId * 33 + serviceId); |
| } |
| } |