| /* |
| * 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.am.lsm.common.impls; |
| |
| import edu.uci.ics.hyracks.api.io.FileReference; |
| import edu.uci.ics.hyracks.storage.am.common.api.IFreePageManagerFactory; |
| import edu.uci.ics.hyracks.storage.am.common.api.IIndex; |
| import edu.uci.ics.hyracks.storage.am.common.api.IndexException; |
| import edu.uci.ics.hyracks.storage.common.buffercache.IBufferCache; |
| import edu.uci.ics.hyracks.storage.common.file.IFileMapProvider; |
| |
| public abstract class IndexFactory<T extends IIndex> { |
| |
| protected final IBufferCache bufferCache; |
| protected final IFileMapProvider fileMapProvider; |
| protected final IFreePageManagerFactory freePageManagerFactory; |
| |
| public IndexFactory(IBufferCache bufferCache, IFileMapProvider fileMapProvider, |
| IFreePageManagerFactory freePageManagerFactory) { |
| this.bufferCache = bufferCache; |
| this.fileMapProvider = fileMapProvider; |
| this.freePageManagerFactory = freePageManagerFactory; |
| } |
| |
| public abstract T createIndexInstance(FileReference file) throws IndexException; |
| |
| public IBufferCache getBufferCache() { |
| return bufferCache; |
| } |
| } |