[GitHub] [flink] zhisheng17 commented on a change in pull request #14684: [FLINK-20460][Connector-HBase] Support async lookup for HBase connector

[GitBox <gi...@apache.org>]

zhisheng17 commented on a change in pull request #14684:
URL: https://github.com/apache/flink/pull/14684#discussion_r560152221



##########
File path: flink-connectors/flink-connector-hbase-2.2/src/main/java/org/apache/flink/connector/hbase2/source/HBaseRowDataAsyncLookupFunction.java
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@@ -0,0 +1,211 @@
+package org.apache.flink.connector.hbase2.source;
+
+import org.apache.flink.annotation.VisibleForTesting;
+import org.apache.flink.connector.hbase.options.HBaseLookupOptions;
+import org.apache.flink.connector.hbase.util.HBaseConfigurationUtil;
+import org.apache.flink.connector.hbase.util.HBaseSerde;
+import org.apache.flink.connector.hbase.util.HBaseTableSchema;
+import org.apache.flink.metrics.Gauge;
+import org.apache.flink.runtime.concurrent.Executors;
+import org.apache.flink.table.data.GenericRowData;
+import org.apache.flink.table.data.RowData;
+import org.apache.flink.table.functions.AsyncTableFunction;
+import org.apache.flink.table.functions.FunctionContext;
+import org.apache.flink.util.StringUtils;
+
+import org.apache.flink.shaded.guava18.com.google.common.cache.Cache;
+import org.apache.flink.shaded.guava18.com.google.common.cache.CacheBuilder;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.HConstants;
+import org.apache.hadoop.hbase.TableName;
+import org.apache.hadoop.hbase.TableNotFoundException;
+import org.apache.hadoop.hbase.client.AsyncConnection;
+import org.apache.hadoop.hbase.client.AsyncTable;
+import org.apache.hadoop.hbase.client.ConnectionFactory;
+import org.apache.hadoop.hbase.client.Get;
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.client.ScanResultConsumer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+
+/**

Review comment:
       you can remove the Author/Date/description message




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