| /* |
| * 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.felix.dm.impl.index; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.SortedSet; |
| import java.util.TreeSet; |
| |
| import org.apache.felix.dm.impl.ServiceUtil; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceListener; |
| import org.osgi.framework.ServiceReference; |
| |
| /** |
| * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a> |
| */ |
| @SuppressWarnings("rawtypes") |
| public abstract class AbstractFactoryFilterIndex { |
| protected final Map<Long, SortedSet<ServiceReference>> m_sidToServiceReferencesMap = new HashMap<>(); |
| protected final Map <ServiceListener, String> m_listenerToFilterMap = new HashMap<>(); |
| |
| public void addedService(ServiceReference reference, Object service) { |
| add(reference); |
| } |
| |
| public void modifiedService(ServiceReference reference, Object service) { |
| modify(reference); |
| } |
| |
| public void removedService(ServiceReference reference, Object service) { |
| remove(reference); |
| } |
| |
| public void swappedService(ServiceReference reference, Object service, |
| ServiceReference newReference, Object newService) { |
| addedService(newReference, newService); |
| removedService(reference, service); |
| } |
| |
| public void add(ServiceReference reference) { |
| Long sid = ServiceUtil.getServiceIdObject(reference); |
| synchronized (m_sidToServiceReferencesMap) { |
| SortedSet<ServiceReference> list = m_sidToServiceReferencesMap.get(sid); |
| if (list == null) { |
| list = new TreeSet<ServiceReference>(); |
| m_sidToServiceReferencesMap.put(sid, list); |
| } |
| list.add(reference); |
| } |
| } |
| |
| public void modify(ServiceReference reference) { |
| remove(reference); |
| add(reference); |
| } |
| |
| public void remove(ServiceReference reference) { |
| Long sid = ServiceUtil.getServiceIdObject(reference); |
| synchronized (m_sidToServiceReferencesMap) { |
| SortedSet<ServiceReference> list = m_sidToServiceReferencesMap.get(sid); |
| if (list != null) { |
| list.remove(reference); |
| } |
| } |
| } |
| |
| protected boolean referenceMatchesObjectClass(ServiceReference ref, String objectClass) { |
| boolean matches = false; |
| Object value = ref.getProperty(Constants.OBJECTCLASS); |
| matches = Arrays.asList((String[])value).contains(objectClass); |
| return matches; |
| } |
| |
| /** Structure to hold internal filter data. */ |
| protected static class FilterData { |
| public long m_serviceId; |
| public String m_objectClass; |
| public int m_ranking; |
| |
| public String toString() { |
| return "FilterData [serviceId=" + m_serviceId + "]"; |
| } |
| } |
| } |