[GitHub] [linkis] ChengJie1053 commented on a diff in pull request #4531: Translate engineconn-plugins-elasticsearch service classes from Scala to Java

["ChengJie1053 (via GitHub)" <gi...@apache.org>]

ChengJie1053 commented on code in PR #4531:
URL: https://github.com/apache/linkis/pull/4531#discussion_r1196025006


##########
linkis-engineconn-plugins/elasticsearch/src/main/java/org/apache/linkis/engineplugin/elasticsearch/executor/ElasticSearchEngineConnExecutor.java:
##########
@@ -0,0 +1,283 @@
+/*
+ * 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.linkis.engineplugin.elasticsearch.executor;
+
+import org.apache.linkis.common.io.MetaData;
+import org.apache.linkis.common.io.Record;
+import org.apache.linkis.common.io.resultset.ResultSetWriter;
+import org.apache.linkis.common.utils.OverloadUtils;
+import org.apache.linkis.engineconn.common.conf.EngineConnConf;
+import org.apache.linkis.engineconn.common.conf.EngineConnConstant;
+import org.apache.linkis.engineconn.computation.executor.entity.EngineConnTask;
+import org.apache.linkis.engineconn.computation.executor.execute.ConcurrentComputationExecutor;
+import org.apache.linkis.engineconn.computation.executor.execute.EngineExecutionContext;
+import org.apache.linkis.engineconn.core.EngineConnObject;
+import org.apache.linkis.engineplugin.elasticsearch.conf.ElasticSearchConfiguration;
+import org.apache.linkis.engineplugin.elasticsearch.conf.ElasticSearchEngineConsoleConf;
+import org.apache.linkis.engineplugin.elasticsearch.executor.client.*;
+import org.apache.linkis.engineplugin.elasticsearch.executor.client.impl.ElasticSearchExecutorImpl;
+import org.apache.linkis.governance.common.entity.ExecutionNodeStatus;
+import org.apache.linkis.manager.common.entity.resource.CommonNodeResource;
+import org.apache.linkis.manager.common.entity.resource.LoadResource;
+import org.apache.linkis.manager.common.entity.resource.NodeResource;
+import org.apache.linkis.manager.engineplugin.common.util.NodeResourceUtils;
+import org.apache.linkis.manager.label.entity.Label;
+import org.apache.linkis.protocol.engine.JobProgressInfo;
+import org.apache.linkis.rpc.Sender;
+import org.apache.linkis.scheduler.executer.AliasOutputExecuteResponse;
+import org.apache.linkis.scheduler.executer.ErrorExecuteResponse;
+import org.apache.linkis.scheduler.executer.ExecuteResponse;
+import org.apache.linkis.storage.LineRecord;
+import org.apache.linkis.storage.resultset.ResultSetFactory;
+import org.apache.linkis.storage.resultset.table.TableMetaData;
+
+import org.apache.commons.io.IOUtils;
+
+import org.springframework.util.CollectionUtils;
+
+import java.io.IOException;
+import java.util.*;
+import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
+
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.RemovalListener;
+import com.google.common.cache.RemovalNotification;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ElasticSearchEngineConnExecutor extends ConcurrentComputationExecutor {
+  private static final Logger logger =
+      LoggerFactory.getLogger(ElasticSearchEngineConnExecutor.class);
+
+  private int id;
+  private String runType;
+  private List<Label<?>> executorLabels = new ArrayList<>(2);
+
+  private Cache<String, ElasticSearchExecutor> elasticSearchExecutorCache =
+      CacheBuilder.newBuilder()
+          .expireAfterAccess(
+              (Long) EngineConnConf.ENGINE_TASK_EXPIRE_TIME().getValue(), TimeUnit.MILLISECONDS)
+          .removalListener(
+              new RemovalListener<String, ElasticSearchExecutor>() {
+                @Override
+                public void onRemoval(
+                    RemovalNotification<String, ElasticSearchExecutor> notification) {
+                  notification.getValue().close();
+                  EngineConnTask task = getTaskById(notification.getKey());
+                  if (!ExecutionNodeStatus.isCompleted(task.getStatus())) {
+                    killTask(notification.getKey());
+                  }
+                }
+              })
+          .maximumSize(EngineConnConstant.MAX_TASK_NUM())
+          .build();
+
+  public ElasticSearchEngineConnExecutor(int outputPrintLimit, int id, String runType) {
+    super(outputPrintLimit);
+    this.id = id;
+    this.runType = runType;
+  }
+
+  @Override
+  public void init() {
+    super.init();
+  }
+
+  @Override
+  public ExecuteResponse execute(EngineConnTask engineConnTask) {
+    Map<String, String> properties = buildRuntimeParams(engineConnTask);
+    logger.info("The elasticsearch properties is: {}", properties);
+
+    //    ElasticSearchExecutor elasticSearchExecutor = ElasticSearchExecutor.apply(runType,
+    // properties);
+    ElasticSearchExecutor elasticSearchExecutor =
+        new ElasticSearchExecutorImpl(runType, properties);
+    try {
+      elasticSearchExecutor.open();
+    } catch (Exception e) {
+      logger.error("Execute es code failed, reason:", e);
+      return new ErrorExecuteResponse("run es failed", e);
+    }
+    elasticSearchExecutorCache.put(engineConnTask.getTaskId(), elasticSearchExecutor);
+    return super.execute(engineConnTask);
+  }
+
+  @Override
+  public ExecuteResponse executeLine(EngineExecutionContext engineExecutorContext, String code) {
+    String taskId = engineExecutorContext.getJobId().get();
+    ElasticSearchExecutor elasticSearchExecutor = elasticSearchExecutorCache.getIfPresent(taskId);
+    ElasticSearchResponse elasticSearchResponse = elasticSearchExecutor.executeLine(code);
+
+    try {
+
+      if (elasticSearchResponse instanceof ElasticSearchTableResponse) {
+        ElasticSearchTableResponse tableResponse =
+            (ElasticSearchTableResponse) elasticSearchResponse;
+        TableMetaData metaData = new TableMetaData(tableResponse.columns());
+        ResultSetWriter<? extends MetaData, ? extends Record> resultSetWriter =
+            engineExecutorContext.createResultSetWriter(ResultSetFactory.TABLE_TYPE);
+        resultSetWriter.addMetaData(metaData);
+        Arrays.asList(tableResponse.records())
+            .forEach(
+                record -> {
+                  try {
+                    resultSetWriter.addRecord(record);
+                  } catch (IOException e) {
+                    logger.warn("es addRecord failed", e);
+                  }
+                });
+        String output = resultSetWriter.toString();
+        IOUtils.closeQuietly(resultSetWriter);
+        return new AliasOutputExecuteResponse(null, output);
+      } else if (elasticSearchResponse instanceof ElasticSearchJsonResponse) {
+        ElasticSearchJsonResponse jsonResponse = (ElasticSearchJsonResponse) elasticSearchResponse;
+        ResultSetWriter<? extends MetaData, ? extends Record> resultSetWriter =
+            engineExecutorContext.createResultSetWriter(ResultSetFactory.TEXT_TYPE);
+        resultSetWriter.addMetaData(null);
+        Arrays.stream(jsonResponse.value().split("\\n"))
+            .forEach(
+                item -> {
+                  try {
+                    resultSetWriter.addRecord(new LineRecord(item));
+                  } catch (IOException e) {
+                    logger.warn("es addRecord failed", e);
+                  }
+                });
+        String output = resultSetWriter.toString();
+        IOUtils.closeQuietly(resultSetWriter);
+        return new AliasOutputExecuteResponse(null, output);
+      } else if (elasticSearchResponse instanceof ElasticSearchErrorResponse) {
+        ElasticSearchErrorResponse errorResponse =
+            (ElasticSearchErrorResponse) elasticSearchResponse;
+        return new ErrorExecuteResponse(errorResponse.message(), errorResponse.cause());
+      }
+    } catch (IOException e) {
+      logger.warn("es addMetaData failed", e);
+    }
+
+    return null;
+  }
+
+  private Map<String, String> buildRuntimeParams(EngineConnTask engineConnTask) {
+    // Parameters specified at runtime
+    Map<String, String> executorProperties =
+        engineConnTask.getProperties().entrySet().stream()
+            .collect(
+                Collectors.toMap(
+                    Map.Entry::getKey, entry -> Objects.toString(entry.getValue(), null)));
+    if (executorProperties == null) {

Review Comment:
   Ok, thanks for reviewing the code
   



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