| /* |
| * Copyright 2009-2013 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.storage.common.file; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| |
| public class TransientLocalResourceRepository implements ILocalResourceRepository { |
| |
| private Map<String, LocalResource> name2ResourceMap = new HashMap<String, LocalResource>(); |
| private Map<Long, LocalResource> id2ResourceMap = new HashMap<Long, LocalResource>(); |
| |
| @Override |
| public LocalResource getResourceById(long id) throws HyracksDataException { |
| return id2ResourceMap.get(id); |
| } |
| |
| @Override |
| public LocalResource getResourceByName(String name) throws HyracksDataException { |
| return name2ResourceMap.get(name); |
| } |
| |
| @Override |
| public synchronized void insert(LocalResource resource, int ioDeviceId) throws HyracksDataException { |
| long id = resource.getResourceId(); |
| |
| if (id2ResourceMap.containsKey(id)) { |
| throw new HyracksDataException("Duplicate resource"); |
| } |
| id2ResourceMap.put(id, resource); |
| name2ResourceMap.put(resource.getResourceName(), resource); |
| } |
| |
| @Override |
| public synchronized void deleteResourceById(long id, int ioDeviceId) throws HyracksDataException { |
| LocalResource resource = id2ResourceMap.get(id); |
| if (resource == null) { |
| throw new HyracksDataException("Resource doesn't exist"); |
| } |
| id2ResourceMap.remove(id); |
| name2ResourceMap.remove(resource.getResourceName()); |
| } |
| |
| @Override |
| public synchronized void deleteResourceByName(String name, int ioDeviceId) throws HyracksDataException { |
| LocalResource resource = name2ResourceMap.get(name); |
| if (resource == null) { |
| throw new HyracksDataException("Resource doesn't exist"); |
| } |
| id2ResourceMap.remove(resource.getResourceId()); |
| name2ResourceMap.remove(name); |
| } |
| |
| @Override |
| public List<LocalResource> getAllResources() throws HyracksDataException { |
| List<LocalResource> resources = new ArrayList<LocalResource>(); |
| for (LocalResource resource : id2ResourceMap.values()) { |
| resources.add(resource); |
| } |
| return resources; |
| } |
| } |