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Subject [GitHub] [gora] djkevincr commented on a change in pull request #178: GORA-485 Apache Kudu datastore for Gora
Date Tue, 03 Sep 2019 18:01:32 GMT
djkevincr commented on a change in pull request #178: GORA-485 Apache Kudu datastore for Gora
URL: https://github.com/apache/gora/pull/178#discussion_r320404592
 
 

 ##########
 File path: gora-kudu/src/main/java/org/apache/gora/kudu/store/KuduStore.java
 ##########
 @@ -0,0 +1,654 @@
+/*
+ * 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.gora.kudu.store;
+
+import org.apache.gora.kudu.query.KuduResult;
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.invoke.MethodHandles;
+import java.nio.ByteBuffer;
+import java.nio.charset.Charset;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.ConcurrentHashMap;
+import org.apache.gora.kudu.mapping.Column;
+import org.apache.gora.kudu.mapping.KuduMapping;
+import org.apache.gora.kudu.mapping.KuduMappingBuilder;
+import org.apache.gora.kudu.utils.KuduParameters;
+import org.apache.gora.persistency.impl.PersistentBase;
+import org.apache.gora.query.PartitionQuery;
+import org.apache.gora.query.Query;
+import org.apache.gora.query.Result;
+import org.apache.gora.store.impl.DataStoreBase;
+import org.apache.gora.util.AvroUtils;
+import org.apache.gora.util.GoraException;
+import org.apache.kudu.ColumnSchema;
+import org.apache.avro.Schema;
+import org.apache.avro.specific.SpecificDatumReader;
+import org.apache.avro.specific.SpecificDatumWriter;
+import org.apache.avro.util.Utf8;
+import org.apache.gora.kudu.query.KuduQuery;
+import org.apache.gora.kudu.utils.KuduClientUtils;
+import org.apache.gora.persistency.Persistent;
+import org.apache.gora.query.impl.PartitionQueryImpl;
+import org.apache.gora.util.IOUtils;
+import org.apache.kudu.Type;
+import org.apache.kudu.client.CreateTableOptions;
+import org.apache.kudu.client.Delete;
+import org.apache.kudu.client.KuduClient;
+import org.apache.kudu.client.KuduException;
+import org.apache.kudu.client.KuduPredicate;
+import org.apache.kudu.client.KuduScanner;
+import org.apache.kudu.client.KuduSession;
+import org.apache.kudu.client.KuduTable;
+import org.apache.kudu.client.OperationResponse;
+import org.apache.kudu.client.PartialRow;
+import org.apache.kudu.client.RowResult;
+import org.apache.kudu.client.RowResultIterator;
+import org.apache.kudu.client.SessionConfiguration;
+import org.apache.kudu.client.Update;
+import org.apache.kudu.client.Upsert;
+import org.apache.kudu.util.DecimalUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Implementation of a Apache Kudu data store to be used by Apache Gora.
+ *
+ * @param <K> class to be used for the key
+ * @param <T> class to be persisted within the store
+ */
+public class KuduStore<K, T extends PersistentBase> extends DataStoreBase<K, T>
{
+
+  private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+  private static final String PARSE_MAPPING_FILE_KEY = "gora.kudu.mapping.file";
+  private static final String DEFAULT_MAPPING_FILE = "gora-kudu-mapping.xml";
+  private static final String XML_MAPPING_DEFINITION = "gora.mapping";
+  private KuduMapping kuduMapping;
+  private KuduClient client;
+  private KuduSession session;
 
 Review comment:
   @jhnmora000 Were you able to get a solution around this?

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