+++ /dev/null
-/*
- * Copyright (c) 2012 Big Switch Networks, Inc.
- *
- * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
- *
- * 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.
- *
- * This file incorporates work covered by the following copyright and
- * permission notice:
- *
- * Originally created by David Erickson, Stanford University
- *
- * 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.opendaylight.controller.hosttracker.internal;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.EnumSet;
-import java.util.Iterator;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-import org.opendaylight.controller.hosttracker.Entity;
-import org.opendaylight.controller.hosttracker.IDeviceService.DeviceField;
-import org.opendaylight.controller.sal.utils.IterableIterator;
-
-/**
- * An index that maps key fields of an entity to device keys, with multiple
- * device keys allowed per entity
- */
-public class DeviceMultiIndex extends DeviceIndex {
- /**
- * The index
- */
- private ConcurrentHashMap<IndexedEntity, Collection<Long>> index;
-
- /**
- * @param keyFields
- */
- public DeviceMultiIndex(EnumSet<DeviceField> keyFields) {
- super(keyFields);
- index = new ConcurrentHashMap<IndexedEntity, Collection<Long>>();
- }
-
- // ***********
- // DeviceIndex
- // ***********
-
- @Override
- public Iterator<Long> queryByEntity(Entity entity) {
- IndexedEntity ie = new IndexedEntity(keyFields, entity);
- Collection<Long> devices = index.get(ie);
- if (devices != null)
- return devices.iterator();
-
- return Collections.<Long> emptySet().iterator();
- }
-
- @Override
- public Iterator<Long> getAll() {
- Iterator<Collection<Long>> iter = index.values().iterator();
- return new IterableIterator<Long>(iter);
- }
-
- @Override
- public boolean updateIndex(Device device, Long deviceKey) {
- for (Entity e : device.entities) {
- updateIndex(e, deviceKey);
- }
- return true;
- }
-
- @Override
- public void updateIndex(Entity entity, Long deviceKey) {
- Collection<Long> devices = null;
-
- IndexedEntity ie = new IndexedEntity(keyFields, entity);
- if (!ie.hasNonNullKeys())
- return;
-
- devices = index.get(ie);
- if (devices == null) {
- Map<Long, Boolean> chm = new ConcurrentHashMap<Long, Boolean>();
- devices = Collections.newSetFromMap(chm);
- Collection<Long> r = index.putIfAbsent(ie, devices);
- if (r != null)
- devices = r;
- }
-
- devices.add(deviceKey);
- }
-
- @Override
- public void removeEntity(Entity entity) {
- IndexedEntity ie = new IndexedEntity(keyFields, entity);
- index.remove(ie);
- }
-
- @Override
- public void removeEntity(Entity entity, Long deviceKey) {
- IndexedEntity ie = new IndexedEntity(keyFields, entity);
- Collection<Long> devices = index.get(ie);
- if (devices != null)
- devices.remove(deviceKey);
- }
-}