/*
* Copyright 2013, 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.engine.internal.index.operation;
import com.google.dart.engine.context.AnalysisContext;
import com.google.dart.engine.index.IndexStore;
import com.google.dart.engine.source.Source;
/**
* Instances of the {@link RemoveSourceOperation} implement an operation that removes from the index
* any data based on the content of a specified source.
*
* @coverage dart.engine.index
*/
public class RemoveSourceOperation implements IndexOperation {
/**
* The index store against which this operation is being run.
*/
private IndexStore indexStore;
/**
* The context in which source being removed.
*/
private final AnalysisContext context;
/**
* The source being removed.
*/
private final Source source;
/**
* Initialize a newly created operation that will remove the specified resource.
*
* @param indexStore the index store against which this operation is being run
* @param context the {@link AnalysisContext} to remove source in
* @param source the {@link Source} to remove from index
*/
public RemoveSourceOperation(IndexStore indexStore, AnalysisContext context, Source source) {
this.indexStore = indexStore;
this.context = context;
this.source = source;
}
/**
* @return the {@link Source} that was removed.
*/
public Source getSource() {
return source;
}
@Override
public boolean isQuery() {
return false;
}
@Override
public void performOperation() {
synchronized (indexStore) {
indexStore.removeSource(context, source);
}
}
@Override
public boolean removeWhenSourceRemoved(Source source) {
return false;
}
@Override
public String toString() {
return "RemoveSource(" + source.getFullName() + ")";
}
}