| /* |
| * Copyright 2009-2010 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.control.nc.io; |
| |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| import edu.uci.ics.hyracks.api.io.FileReference; |
| import edu.uci.ics.hyracks.api.io.IWorkspaceFileFactory; |
| import edu.uci.ics.hyracks.api.resources.IDeallocatable; |
| import edu.uci.ics.hyracks.api.resources.IDeallocatableRegistry; |
| |
| public final class WorkspaceFileFactory implements IWorkspaceFileFactory { |
| private final IDeallocatableRegistry registry; |
| private final IOManager ioManager; |
| |
| public WorkspaceFileFactory(IDeallocatableRegistry registry, IOManager ioManager) { |
| this.registry = registry; |
| this.ioManager = ioManager; |
| } |
| |
| @Override |
| public FileReference createManagedWorkspaceFile(String prefix) throws HyracksDataException { |
| final FileReference fRef = ioManager.createWorkspaceFile(prefix); |
| registry.registerDeallocatable(new IDeallocatable() { |
| @Override |
| public void deallocate() { |
| fRef.delete(); |
| } |
| }); |
| return fRef; |
| } |
| |
| @Override |
| public FileReference createUnmanagedWorkspaceFile(String prefix) throws HyracksDataException { |
| return ioManager.createWorkspaceFile(prefix); |
| } |
| } |