| /* |
| * 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.cm.impl.helper; |
| |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| |
| class ManagedServiceConfigurationMap extends ConfigurationMap<ManagedServiceConfigurationMap.Entry> |
| { |
| |
| protected ManagedServiceConfigurationMap( String[] configuredPids ) |
| { |
| super( configuredPids ); |
| } |
| |
| |
| @Override |
| protected Map<String, Entry> createMap( int size ) |
| { |
| return new HashMap<String, Entry>( size ); |
| } |
| |
| |
| @Override |
| protected boolean shallTake( TargetedPID configPid, TargetedPID factoryPid, long revision ) |
| { |
| Entry entry = this.get( configPid ); |
| |
| // no configuration assigned yet, take it |
| if ( entry == null ) |
| { |
| return true; |
| } |
| |
| // compare revision numbers if raw PID is the same |
| if ( configPid.equals( entry.targetedPid ) ) |
| { |
| return revision > entry.revision; |
| } |
| |
| // otherwise only take if targeted PID is more binding |
| return configPid.bindsStronger( entry.targetedPid ); |
| } |
| |
| |
| @Override |
| protected boolean removeConfiguration( TargetedPID configPid, TargetedPID factoryPid ) |
| { |
| Entry entry = this.get( configPid ); |
| |
| // nothing to remove because the service does not know it anyway |
| if ( entry == null ) |
| { |
| return false; |
| } |
| |
| // update if the used targeted PID matches |
| if ( configPid.equals( entry.targetedPid ) ) |
| { |
| return true; |
| } |
| |
| // the config is not assigned and so there must not be a removal |
| return false; |
| } |
| |
| |
| @Override |
| protected void record( TargetedPID configPid, TargetedPID factoryPid, long revision ) |
| { |
| final Entry entry = ( revision < 0 ) ? null : new Entry( configPid, revision ); |
| this.put( configPid, entry ); |
| } |
| |
| static class Entry |
| { |
| final TargetedPID targetedPid; |
| final long revision; |
| |
| |
| Entry( final TargetedPID targetedPid, final long revision ) |
| { |
| this.targetedPid = targetedPid; |
| this.revision = revision; |
| } |
| |
| |
| @Override |
| public String toString() |
| { |
| return "Entry(pid=" + targetedPid + ",rev=" + revision + ")"; |
| } |
| } |
| } |