/*
* Copyright (c) 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;
import com.google.common.annotations.VisibleForTesting;
import com.google.dart.engine.ast.CompilationUnit;
import com.google.dart.engine.context.AnalysisContext;
import com.google.dart.engine.element.Element;
import com.google.dart.engine.html.ast.HtmlUnit;
import com.google.dart.engine.index.Index;
import com.google.dart.engine.index.IndexStore;
import com.google.dart.engine.index.Relationship;
import com.google.dart.engine.index.RelationshipCallback;
import com.google.dart.engine.internal.index.operation.ClearOperation;
import com.google.dart.engine.internal.index.operation.GetRelationshipsOperation;
import com.google.dart.engine.internal.index.operation.IndexHtmlUnitOperation;
import com.google.dart.engine.internal.index.operation.IndexUnitOperation;
import com.google.dart.engine.internal.index.operation.OperationProcessor;
import com.google.dart.engine.internal.index.operation.OperationQueue;
import com.google.dart.engine.internal.index.operation.RemoveContextOperation;
import com.google.dart.engine.internal.index.operation.RemoveSourceOperation;
import com.google.dart.engine.internal.index.operation.RemoveSourcesOperation;
import com.google.dart.engine.source.Source;
import com.google.dart.engine.source.SourceContainer;
import com.google.dart.engine.utilities.translation.DartOmit;
/**
* Implementation of {@link Index}.
*
* @coverage dart.engine.index
*/
@DartOmit
public class IndexImpl implements Index {
private final IndexStore store;
private final OperationQueue queue;
private final OperationProcessor processor;
public IndexImpl(IndexStore store, OperationQueue queue, OperationProcessor processor) {
this.store = store;
this.queue = queue;
this.processor = processor;
}
@Override
public void clear() {
queue.enqueue(new ClearOperation(store));
}
@Override
public void getRelationships(Element element, Relationship relationship,
RelationshipCallback callback) {
queue.enqueue(new GetRelationshipsOperation(store, element, relationship, callback));
}
@Override
public String getStatistics() {
return store.getStatistics();
}
@Override
public void indexHtmlUnit(AnalysisContext context, HtmlUnit unit) {
if (unit == null) {
return;
}
if (unit.getElement() == null) {
return;
}
if (unit.getElement().getAngularCompilationUnit() == null) {
return;
}
queue.enqueue(new IndexHtmlUnitOperation(store, context, unit));
}
@Override
public void indexUnit(AnalysisContext context, CompilationUnit unit) {
if (unit == null) {
return;
}
if (unit.getElement() == null) {
return;
}
queue.enqueue(new IndexUnitOperation(store, context, unit));
}
@VisibleForTesting
public boolean isOperationQueueEmpty() {
return queue.size() == 0;
}
@Override
public void removeContext(AnalysisContext context) {
queue.enqueue(new RemoveContextOperation(store, context));
}
@Override
public void removeSource(AnalysisContext context, Source source) {
queue.enqueue(new RemoveSourceOperation(store, context, source));
}
@Override
public void removeSources(AnalysisContext context, SourceContainer container) {
queue.enqueue(new RemoveSourcesOperation(store, context, container));
}
@Override
public void run() {
processor.run();
}
@Override
public void stop() {
processor.stop(false);
}
}