| /* |
| * Copyright 2011 Paul Merlin. |
| * |
| * 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.qi4j.library.uowfile.plural; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.qi4j.api.injection.scope.Service; |
| import org.qi4j.api.injection.scope.This; |
| import org.qi4j.api.mixin.Mixins; |
| import org.qi4j.api.unitofwork.UnitOfWork; |
| import org.qi4j.library.uowfile.internal.UoWFileFactory; |
| |
| @Mixins( HasUoWFiles.Mixin.class ) |
| // START SNIPPET: contract |
| public interface HasUoWFiles<T extends Enum<T>> |
| { |
| /** |
| * IMPORTANT Use this {@link File} only inside read-only {@link UnitOfWork}s |
| */ |
| File attachedFile( T key ); |
| |
| /** |
| * IMPORTANT Use these {@link File}s only inside read-only {@link UnitOfWork}s |
| */ |
| Iterable<File> attachedFiles(); |
| |
| File managedFile( T key ); |
| |
| Iterable<File> managedFiles(); |
| // END SNIPPET: contract |
| |
| abstract class Mixin<R extends Enum<R>> |
| implements HasUoWFiles<R> |
| { |
| @Service |
| private UoWFileFactory uowFileFactory; |
| @This |
| private UoWFilesLocator<R> locator; |
| |
| @Override |
| public File attachedFile( R key ) |
| { |
| return locator.locateAttachedFile( key ); |
| } |
| |
| @Override |
| public Iterable<File> attachedFiles() |
| { |
| return locator.locateAttachedFiles(); |
| } |
| |
| @Override |
| public File managedFile( R key ) |
| { |
| return uowFileFactory.createCurrentUoWFile( locator.locateAttachedFile( key ) ).asFile(); |
| } |
| |
| @Override |
| public Iterable<File> managedFiles() |
| { |
| List<File> managedFiles = new ArrayList<>(); |
| for( File eachAttachedFile : locator.locateAttachedFiles() ) |
| { |
| managedFiles.add( uowFileFactory.createCurrentUoWFile( eachAttachedFile ).asFile() ); |
| } |
| return managedFiles; |
| } |
| } |
| |
| // START SNIPPET: contract |
| } |
| // END SNIPPET: contract |