| /* |
| * Copyright (c) 2011, the Dart project authors. |
| * |
| * Licensed under the Eclipse Public License v1.0 (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. |
| */ |
| package com.google.dart.indexer.index.updating; |
| |
| import com.google.dart.indexer.index.layers.Layer; |
| import com.google.dart.indexer.index.layers.LayerId; |
| import com.google.dart.indexer.storage.FileTransaction; |
| |
| import org.eclipse.core.resources.IFile; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class FileInfoUpdaterImpl implements FileInfoUpdater { |
| private Map<LayerId, LayerUpdater> layerIdsToUpdaters = new HashMap<LayerId, LayerUpdater>(); |
| private FileTransaction fileTransaction; |
| |
| public FileInfoUpdaterImpl(FileTransaction fileTransaction) { |
| if (fileTransaction == null) { |
| throw new NullPointerException("fileTransaction is null"); |
| } |
| this.fileTransaction = fileTransaction; |
| } |
| |
| @Deprecated |
| public FileInfoUpdaterImpl(FileTransaction fileTransaction, IFile file) { |
| if (fileTransaction == null) { |
| throw new NullPointerException("fileTransaction is null"); |
| } |
| if (file == null) { |
| throw new NullPointerException("file is null"); |
| } |
| this.fileTransaction = fileTransaction; |
| } |
| |
| @Override |
| public LayerUpdater getLayerUpdater(Layer layer) { |
| LayerId layerId = layer.getId(); |
| LayerUpdater layerUpdater = layerIdsToUpdaters.get(layerId); |
| if (layerUpdater == null) { |
| layerUpdater = layer.createLayerUpdater(fileTransaction); |
| layerIdsToUpdaters.put(layerId, layerUpdater); |
| } |
| return layerUpdater; |
| } |
| } |