Leomrlin commented on code in PR #716: URL: https://github.com/apache/geaflow/pull/716#discussion_r2664121386
########## geaflow-ai/src/main/java/org/apache/geaflow/ai/index/EmbeddingIndexStore.java: ########## @@ -0,0 +1,251 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.apache.geaflow.ai.index; + +import com.google.gson.Gson; +import java.io.*; +import java.nio.charset.Charset; +import java.util.*; +import org.apache.commons.lang3.StringUtils; +import org.apache.commons.lang3.tuple.Pair; +import org.apache.geaflow.ai.common.model.ChatRobot; +import org.apache.geaflow.ai.common.model.ModelInfo; +import org.apache.geaflow.ai.common.model.ModelUtils; +import org.apache.geaflow.ai.graph.GraphAccessor; +import org.apache.geaflow.ai.graph.GraphEdge; +import org.apache.geaflow.ai.graph.GraphEntity; +import org.apache.geaflow.ai.graph.GraphVertex; +import org.apache.geaflow.ai.index.vector.EmbeddingVector; +import org.apache.geaflow.ai.index.vector.IVector; +import org.apache.geaflow.ai.verbalization.VerbalizationFunction; + +public class EmbeddingIndexStore implements IndexStore { + + private GraphAccessor graphAccessor; + private VerbalizationFunction verbFunc; + private String indexFilePath; + private ModelInfo modelInfo; + private Map<GraphEntity, List<ChatRobot.EmbeddingResult>> indexStoreMap; + + public void initStore(GraphAccessor graphAccessor, VerbalizationFunction func, + String indexFilePath, ModelInfo modelInfo) { + this.graphAccessor = graphAccessor; + this.verbFunc = func; + this.indexFilePath = indexFilePath; + this.modelInfo = modelInfo; + this.indexStoreMap = new HashMap<>(); + + //Read index items from indexFilePath + Map<String, GraphEntity> key2EntityMap = new HashMap<>(); + for (Iterator<GraphVertex> itV = this.graphAccessor.scanVertex(); itV.hasNext(); ) { + GraphVertex vertex = itV.next(); + key2EntityMap.put(ModelUtils.getGraphEntityKey(vertex), vertex); + for (Iterator<GraphEdge> itE = this.graphAccessor.scanEdge(vertex); itE.hasNext(); ) { + GraphEdge edge = itE.next(); + key2EntityMap.put(ModelUtils.getGraphEntityKey(edge), edge); + } + } + System.out.println("Success to scan entities. total entities num: " + key2EntityMap.size()); + + try { + File indexFile = new File(this.indexFilePath); + + if (!indexFile.exists()) { + File parentDir = indexFile.getParentFile(); + if (parentDir != null && !parentDir.exists()) { + parentDir.mkdirs(); + } + indexFile.createNewFile(); + System.out.println("Success to create new index store file. Path: " + this.indexFilePath); + } + } catch (Throwable e) { + throw new RuntimeException(e); + } + + + long count = 0; + try (BufferedReader reader = new BufferedReader( + new InputStreamReader( + new FileInputStream(this.indexFilePath), + Charset.defaultCharset()))) { + String line; + while ((line = reader.readLine()) != null) { + line = line.trim(); + if (line.isEmpty()) { + continue; + } + try { + ChatRobot.EmbeddingResult embedding = + new Gson().fromJson(line, ChatRobot.EmbeddingResult.class); + String key = embedding.input; + GraphEntity entity = key2EntityMap.get(key); + if (entity != null) { + this.indexStoreMap.computeIfAbsent(entity, k -> new ArrayList<>()).add(embedding); + } + count++; + } catch (Throwable e) { + System.out.println("Cannot parse embedding item: " + line); + } + } + } catch (Throwable e) { + throw new RuntimeException(e); + } + + System.out.println("Success to read index store file. items num: " + count); + System.out.println("Success to rebuild index with file. index num: " + this.indexStoreMap.size()); + + + //Scan entities in the graph, make new index items + ChatRobot chatRobot = new ChatRobot(); + chatRobot.setModelInfo(modelInfo); + + final int BATCH_SIZE = 32; Review Comment: Currently, `model.Constants` and `GraphMemoryConfigKeys` have been added, and all necessary literal values have been moved and declared within them. -- This is an automated message from the Apache Git Service. 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