Index: dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/index/file/IndexNode.java |
=================================================================== |
--- dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/index/file/IndexNode.java (revision 0) |
+++ dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/index/file/IndexNode.java (revision 0) |
@@ -0,0 +1,129 @@ |
+/* |
+ * Copyright (c) 2014, 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.file; |
+ |
+import com.google.common.collect.Lists; |
+import com.google.common.collect.Maps; |
+import com.google.dart.engine.context.AnalysisContext; |
+import com.google.dart.engine.element.Element; |
+import com.google.dart.engine.index.Location; |
+import com.google.dart.engine.index.Relationship; |
+ |
+import java.util.List; |
+import java.util.Map; |
+ |
+/** |
+ * A single index file in-memory presentation. |
+ * |
+ * @coverage dart.engine.index |
+ */ |
+public class IndexNode { |
+ private final AnalysisContext context; |
+ private final ElementCodec elementCodec; |
+ private final RelationshipCodec relationshipCodec; |
+ private final Map<RelationKeyData, List<LocationData>> relations = Maps.newHashMap(); |
+ |
+ public IndexNode(AnalysisContext context, ElementCodec elementCodec, |
+ RelationshipCodec relationshipCodec) { |
+ this.context = context; |
+ this.elementCodec = elementCodec; |
+ this.relationshipCodec = relationshipCodec; |
+ } |
+ |
+ /** |
+ * Returns the {@link AnalysisContext} this node is created for. |
+ */ |
+ public AnalysisContext getContext() { |
+ return context; |
+ } |
+ |
+ /** |
+ * Returns number of locations in this node. |
+ */ |
+ public int getLocationCount() { |
+ int locationCount = 0; |
+ for (List<LocationData> locations : relations.values()) { |
+ locationCount += locations.size(); |
+ } |
+ return locationCount; |
+ } |
+ |
+ /** |
+ * Returns the recorded relations. |
+ */ |
+ public Map<RelationKeyData, List<LocationData>> getRelations() { |
+ return relations; |
+ } |
+ |
+ /** |
+ * Return the locations of the elements that have the given relationship with the given element. |
+ * |
+ * @param element the the element that has the relationship with the locations to be returned |
+ * @param relationship the {@link Relationship} between the given element and the locations to be |
+ * returned |
+ */ |
+ public Location[] getRelationships(Element element, Relationship relationship) { |
+ // prepare key |
+ RelationKeyData key = new RelationKeyData( |
+ elementCodec, |
+ relationshipCodec, |
+ element, |
+ relationship); |
+ // find LocationData(s) |
+ List<LocationData> locationDatas = relations.get(key); |
+ if (locationDatas == null) { |
+ return Location.EMPTY_ARRAY; |
+ } |
+ // convert to Location(s) |
+ List<Location> locations = Lists.newArrayList(); |
+ for (LocationData locationData : locationDatas) { |
+ Location location = locationData.getLocation(context, elementCodec); |
+ if (location != null) { |
+ locations.add(location); |
+ } |
+ } |
+ return locations.toArray(new Location[locations.size()]); |
+ } |
+ |
+ /** |
+ * Records that the given element and location have the given relationship. |
+ * |
+ * @param element the element that is related to the location |
+ * @param relationship the {@link Relationship} between the element and the location |
+ * @param location the {@link Location} where relationship happens |
+ */ |
+ public void recordRelationship(Element element, Relationship relationship, Location location) { |
+ RelationKeyData key = new RelationKeyData( |
+ elementCodec, |
+ relationshipCodec, |
+ element, |
+ relationship); |
+ // prepare LocationData(s) |
+ List<LocationData> locationDatas = relations.get(key); |
+ if (locationDatas == null) { |
+ locationDatas = Lists.newArrayList(); |
+ relations.put(key, locationDatas); |
+ } |
+ // add new LocationData |
+ locationDatas.add(new LocationData(elementCodec, location)); |
+ } |
+ |
+ /** |
+ * Sets relations data. This method is used during loading data from a storage. |
+ */ |
+ public void setRelations(Map<RelationKeyData, List<LocationData>> relations) { |
+ this.relations.clear(); |
+ this.relations.putAll(relations); |
+ } |
+} |
Property changes on: dart/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/internal/index/file/IndexNode.java |
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Added: svn:eol-style |
+ LF |